Single Mechanical Seal Mechanical Seals

64 Results
Fully-split Seal for Vacuum, Low Pressure, and Abrasive Applications -- OFS Type-1 Series
from Woodex MECO Industries

The MECO OFS Type-1 seal is frequently the best, fully-split seal for vacuum, low pressure, and abrasive applications. The design tolerates both runout and thermal growth at moderate speeds. The OFS Type-1 places a single, hardened, stainless steel rotary seal face, spring-loaded against a single,... [See More]

  • Mechanical Seal Type: Single
  • Spring Element: Multi-spring
  • Seal Design: Elastomeric Bellows
  • Specialized Mounting: Cartridge; Split Seal
Mechanical Shaft Seal -- Dairy Seal
from Woodex MECO Industries

The dairy industry's mechanical sealA variant of MECO Seals popular AH model seal, the Dairy Seal is specifically designed to meet the needs of dairy product manufacturers. Large radius corners eliminate bacterial entrapment areas "No tools" assembly and disassembly Fully-split, easy to remove,... [See More]

  • Mechanical Seal Type: Single
  • Specialized Mounting: Cartridge; Split Seal
  • Seal Design: Elastomeric Bellows
  • Seal Application: Agitator or Mixer
Mechanical Shaft Seal -- HA Series
from Woodex MECO Industries

The MECO HA seal is a modular mechanical shaft seal, designed to fit process equipment following Conveyor Equipment Manufacturers Association (C.E.M.A.) standards, with many customizable material options to meet your application's requirements. A combination of MECO's classic HB and HC model seals,... [See More]

  • Mechanical Seal Type: Single
  • Specialized Mounting: Cartridge
  • Seal Design: Elastomeric Bellows
  • Location on Shaft: External
Mechanical Shaft Seal -- HH Type-2
from Woodex MECO Industries

The MECO HH Type-2 is a fully custom, air-purged mechanical shaft seal. It can be quickly adjusted without disassembling the seal assembly by tightening the HH Type-2's simple adjusting clamp. Unlike standard stuffing box seals, the HH Type-2 is non-abrasive to the machine's shaft and can... [See More]

  • Mechanical Seal Type: Single
  • Specialized Mounting: Split Seal
  • Seal Design: Elastomeric Bellows
  • Seal Application: Agitator or Mixer
Rudder Post Seal -- SEA-GARD
from Woodex MECO Industries

The SEA-GARD provides an effective rudder post seal in abrasive, coastal waters. Wear materials are softer than those used in traditional mechanical seals, and permit the use of wide-radius seal faces. These easily tolerate severe eccentric rotation and permit wear to occur without compromising the... [See More]

  • Mechanical Seal Type: Single
  • Specialized Mounting: Split Seal
  • Seal Design: Elastomeric Bellows
  • Seal Application: Marine Stern Tube
Screw Conveyor Seal -- HB Series
from Woodex MECO Industries

The MECO HB seal model is the best choice in sealing technology for screw conveyors. The HB model is a full-contact, soft-face mechanical shaft seal, using an elastomer drive to rotate bearing-grade, synthetic seal faces against fixed, stainless steel seal faces. The various seal assemblies are... [See More]

  • Mechanical Seal Type: Single
  • Specialized Mounting: Cartridge; Split Seal
  • Seal Design: Elastomeric Bellows
  • Location on Shaft: External
Soft Face Mechanical Seal -- OFS Type-2 Series
from Woodex MECO Industries

The patented MECO OFS Type-2 model is the best choice in many sealing applications for low to moderate speed equipment. The OFS Type-2 uses full-contact, soft-face mechanical shaft sealing technology, sized for OEM and custom in-house process equipment. The OFS Type-2 model provides the superior... [See More]

  • Mechanical Seal Type: Single
  • Shaft Speed: 290
  • Spring Element: Multi-spring
  • Operating Pressure: 10
Split Seal for Chemical, Plastic Food & Pharmaceutical Applications -- EA Type-2 Series
from Woodex MECO Industries

The MECO EA Type-2 model is the best choice in many sealing applications for low to moderate shaft speeds on small to very large shaft diameters. The EA Type-2 uses full-contact, soft-face mechanical shaft sealing technology, sized for OEM and custom in-house process equipment. The EA Type-2 model... [See More]

  • Mechanical Seal Type: Single
  • Specialized Mounting: Cartridge; Split Seal
  • Seal Design: Elastomeric Bellows
  • Seal Application: Marine Stern Tube
Split Seal for Large Diameter Shafts -- AH Type-2 Series
from Woodex MECO Industries

The MECO AH Type-2 model is the best choice for fitting a split seal in limited space on small to large shaft diameters. The configuration is a double mechanical seal using an elastomer drive to rotate bearing-grade synthetic seal faces against fixed, stainless steel seal faces. The AH Type-2 uses a... [See More]

  • Mechanical Seal Type: Single
  • Specialized Mounting: Cartridge; Split Seal
  • Seal Design: Elastomeric Bellows
  • Seal Application: Agitator or Mixer
Mechanical Seals
from BellowsTech, an MW Industries company

Mechanical seals with bellows technology have various benefits and applications. Edge welded bellows technology allows for a variety of materials including stainless steel, Inconel ®, and Hastelloy ®. With these options, various liquids and gases can be measured as well as extreme... [See More]

  • Mechanical Seal Type: Single
  • Spring Element: Single Spring
  • Seal Design: Metal Bellows
  • Specialized Mounting: Non-cartridge
Mechanical Pump Seals -- Type 1
from Berliss

Single seal, unbalanced, single spring, bi-directional, elastomer bellows [See More]

  • Mechanical Seal Type: Single
  • Spring Element: Single Spring
  • Seal Design: Elastomeric Bellows
  • Specialized Mounting: Non-cartridge; Split Seal
Mechanical Seal Disc Springs -- 100
from Daemar Inc.

Most single spring mechanical seals come in two parts: The “Head ” & the “Seat ”. The Head is part of the spring assembly and it usually mounts on the shaft. The Seat is not part of the spring assembly and usually mounts in the bore. Cup Gasket - Provides secondary... [See More]

  • Mechanical Seal Type: Single
  • Shaft Diameter: 0.6250
  • Spring Element: Single Spring
  • Metal Carbide & Metal Oxide (Ceramic): Miscellaneous Metal Oxides
Mechanical Seals -- Type B Seal Head
from Hi-Tech Seals, Inc.

Mechanical Seals are meant to replace rope and braided packing. Mechanical Seals are used on rotating shafts (pump, compressors, etc). The product creates a seal when the two flat seal faces are pushed together by axial force from the closing mechanism and by product pressure in the seal chamber. [See More]

  • Mechanical Seal Type: Single
  • Spring Element: Single Spring
  • Seal Design: Metal Bellows
  • Specialized Mounting: Non-cartridge
Single Cartridge Mechanical Seal -- ZLR-1100
from EnviroPump and Seal, Inc.

Cartridge Design – No measuring, self centering installation. Just slide over shaft, tighten gland bolts and set screws, remove centering clips, and the seal is ready to operate. Double Balance – World ’s first double balanced single seal. O-ring shifts to accommodate pressure from... [See More]

  • Mechanical Seal Type: Single
  • Spring Element: Multi-spring
  • Seal Design: Pusher
  • Specialized Mounting: Cartridge
Double Mechanical Seal, Buffered -- DD
from Witte Pumps & Technology GmbH

The double mechanical seal with buffered fluid (DD) is suitable for a max. viscosity of 1.000 Pas, because the internal parts of the mechanical seal do not get in contact with the pumped fluid. All the internal parts are lubricated by the buffer fluid. The pressure on the suction side can be within... [See More]

  • Mechanical Seal Type: Single; Double
  • Operating Pressure: 218
  • Seal Application: Pump
  • Operating Temperature: 580
API 682 Category II and Category III, Type B, Arrangement 1 Single Rotating Metal Bellows Cartridge Seal -- Type 1670
from John Crane, Inc.

The Type 1670 is a factory pre-set edge-welded metal bellows API 682/ISO 21049 qualified cartridge seal with Alloy C-276 (UNS N10276) rotating welded metal bellows. The seal is available with either a fixed, floating or segmented bushing option with either a single-point or distributed flush... [See More]

  • Mechanical Seal Type: Single
  • Seal Application: Pump
  • Seal Design: Metal Bellows
  • Shaft Diameter: 0.7500 to 3.75
Externally Mounted Mechanical Seal -- Style 23
from Flex-A-Seal, Inc.

Externally Mounted Mechanical Seal for extreme corrosive services. Mounted outside of stuffing box. Only corrosion resistant materials are in contact with product. Hydraulically balanced. Simple design – Assembled at factory – no installation measurements required – Just slide on... [See More]

  • Mechanical Seal Type: Single
  • Spring Element: Multi-spring
  • Seal Design: Pusher
  • Specialized Mounting: Cartridge
Mechanical Seal Disc Springs -- 1000
from Daemar Inc.

Most single spring mechanical seals come in two parts: The “Head ” & the “Seat ”. The Head is part of the spring assembly and it usually mounts on the shaft. The Seat is not part of the spring assembly and usually mounts in the bore. Cup Gasket - Provides secondary... [See More]

  • Mechanical Seal Type: Single
  • Shaft Diameter: 0.6250
  • Spring Element: Single Spring
  • Metal Carbide & Metal Oxide (Ceramic): Miscellaneous Metal Oxides
Single-Acting Mechanical Seal -- ED
from Witte Pumps & Technology GmbH

The single mechanical seal (ED) is the standard seal for WITTE CHEM pumps. It is suitable for max. viscosity of 10 to 50 Pas. Min. suction pressure: 1 bar (15 psig). Max. suction pressure: 15 bar (215 psig). Max. temprature: 300 °C (580 °F). Viscosity; 0,2 to 50.000 mPas (cP) [See More]

  • Mechanical Seal Type: Single
  • Operating Pressure: 15 to 215
  • Seal Application: Pump
  • Operating Temperature: 580
API 682/ISO 21049 Cartridge Seals -- Type 2609HTC/3609HTC
from John Crane, Inc.

The Type 2609HTC and Type 3609HTC are dependable API 682/ISO 21049 cartridge seals that utilize two impressive design innovations by incorporating high-temperature, corrosion-resistant (HTC) sealing and unique high-temperature, live-loaded (HTL) mating ring technology in dual tandem seal... [See More]

  • Mechanical Seal Type: Single
  • Seal Application: Pump
  • Seal Design: Metal Bellows
  • Shaft Diameter: 1.5 to 4.5
Fully Split Cartridge Seal -- Style 85
from Flex-A-Seal, Inc.

Fully Split Cartridge Seal (PATENT No. 5662340). Fully split cartridge seal, no pump disassembly, simply attach two halves over the shaft and mount like any other cartridge seal. The only split seal that can be fully pressure tested at the factory before shipping. Can convert a packed pump to a... [See More]

  • Mechanical Seal Type: Single
  • Seal Application: Pump
  • Specialized Mounting: Split Seal
  • Location on Shaft: External
Mechanical Seal Disc Springs -- 1002
from Daemar Inc.

Most single spring mechanical seals come in two parts: The “Head ” & the “Seat ”. The Head is part of the spring assembly and it usually mounts on the shaft. The Seat is not part of the spring assembly and usually mounts in the bore. Cup Gasket - Provides secondary... [See More]

  • Mechanical Seal Type: Single
  • Shaft Diameter: 0.5000
  • Spring Element: Single Spring
  • Metal Carbide & Metal Oxide (Ceramic): Miscellaneous Metal Oxides
Stuffing box
from Witte Pumps & Technology GmbH

The stuffing box is a simple seal for WITTE gear pumps. The operative range is similar to the viscoseal. It is suitable from low to high viscosities. The standard material for the packing rings is graphite (other materials are available). It is also available with buffered fluid and/or heating... [See More]

  • Mechanical Seal Type: Single
  • Seal Application: Pump
API 682/ISO 21049 Type C, Arrangement 3, Stationary Metal Bellows Cartridge Seal -- Type 3604/3604HTC/3604HTCDP
from John Crane, Inc.

The Type 3604/3604HTC/3604HTCDP is a highly reliable dual face-to-face stationary cartridge seal for high-temperature refinery services that is fully API 682 qualified. Dual stationary arrangements are a sealing option within the API 682 specification and have gained popularity with many end users... [See More]

  • Mechanical Seal Type: Single
  • Seal Application: Pump
  • Seal Design: Metal Bellows
  • Shaft Diameter: 1.5 to 4.33
Heavy Duty API Stationary Cartridge Seal -- Style 58
from Flex-A-Seal, Inc.

Single Heavy Duty API Stationary Multi-Spring Cartridge Seal. Stationary design for maximum face alignment. Robust and reliable seal face drive. Hydraulically balanced. Dynamic O-Ring moves to a clean surface. Springs located out of product to prevent clogging and hang up. Rugged high pressure... [See More]

  • Mechanical Seal Type: Single
  • Spring Element: Multi-spring
  • Seal Design: Pusher
  • Specialized Mounting: Cartridge
Mechanical Seal Disc Springs -- 1015
from Daemar Inc.

Most single spring mechanical seals come in two parts: The “Head ” & the “Seat ”. The Head is part of the spring assembly and it usually mounts on the shaft. The Seat is not part of the spring assembly and usually mounts in the bore. Cup Gasket - Provides secondary... [See More]

  • Mechanical Seal Type: Single
  • Shaft Diameter: 1.25
  • Spring Element: Single Spring
  • Metal: Miscellaneous Metals
Asymmetric Formed Metal Bellows Designed for General Purpose Use -- Type 515E
from John Crane, Inc.

Asymmetric formed metal bellows designed for general purpose use. General sealing duties include biotechnology, chemical processing, food processing, mining, oil, oil refining, pulp and paper, pharmaceutical, wastewater treatment and water systems. Applications. Process Pumps. Other Rotating... [See More]

  • Mechanical Seal Type: Single
  • Seal Application: Pump
  • Seal Design: Metal Bellows
  • Shaft Diameter: 0.7500 to 4
Single Cartridge Stationary Bellows Seal -- CFS/ECON
from Flex-A-Seal, Inc.

The NEW Flex-A-Seal ECON seal is designed for standard ANSI Pumps and manufactured with superior design qualities at an unbeatable price. [See More]

  • Mechanical Seal Type: Single
  • Spring Element: Multi-spring
  • Seal Design: Pusher
  • Specialized Mounting: Cartridge
Mechanical Seal Disc Springs -- 102
from Daemar Inc.

Most single spring mechanical seals come in two parts: The “Head ” & the “Seat ”. The Head is part of the spring assembly and it usually mounts on the shaft. The Seat is not part of the spring assembly and usually mounts in the bore. Cup Gasket - Provides secondary... [See More]

  • Mechanical Seal Type: Single
  • Shaft Diameter: 0.6250
  • Spring Element: Single Spring
  • Metal: Miscellaneous Metals
Full Convolution Industrial-duty Elastomer Bellows Shaft Seal -- Type 1
from John Crane, Inc.

With its proven track record of exceptional performance, the Type 1 elastomer bellows seal is widely recognized as the industry's workhorse. Suitable for a wide range of service conditions ranging from water and steam to chemicals and corrosive materials, the Type 1 mechanical seal is ideal for use... [See More]

  • Mechanical Seal Type: Single
  • Seal Application: Pump
  • Seal Design: Elastomeric Bellows
  • Shaft Diameter: 1 to 4
Single Rotating Multi Spring Cartridge -- Style RS1
from Flex-A-Seal, Inc.

Single Rotating Multi Spring Cartridge with Circulation Gland. High Value at Low Cost for economic installations. Part of Flex-A-Seal ’s integrated/platform single cartridge seal design;. Patent pending Plunger-Lock drive;. The RS is hydraulically balanced. It has a monolithic face with... [See More]

  • Mechanical Seal Type: Single
  • Spring Element: Multi-spring
  • Seal Design: Pusher
  • Specialized Mounting: Cartridge
Mechanical Seal Disc Springs -- 1022
from Daemar Inc.

Most single spring mechanical seals come in two parts: The “Head ” & the “Seat ”. The Head is part of the spring assembly and it usually mounts on the shaft. The Seat is not part of the spring assembly and usually mounts in the bore. Cup Gasket - Provides secondary... [See More]

  • Mechanical Seal Type: Single
  • Shaft Diameter: 1
  • Spring Element: Single Spring
  • Metal Carbide & Metal Oxide (Ceramic): Miscellaneous Metal Oxides
Fully Unitized Elastomer Bellows Shaft Seal -- Type 2106
from John Crane, Inc.

The Type 2106 mechanical seal is a compact, unitized, single-spring elastomer bellows seal that not only offers durability and performance but also fast and easy installation and replacement. It retrofits the Type 6. Applications. Process Pumps. Other Rotating Equipment [See More]

  • Mechanical Seal Type: Single
  • Seal Application: Pump
  • Seal Design: Elastomeric Bellows
  • Shaft Diameter: 0.4370 to 1
Single Spring Cartridge Seal -- Style 57
from Flex-A-Seal, Inc.

The Single Spring serves to keep the sealing faces in contact and positively transmits the drive evenly 360 º around the full circumference of the rotary face. This is accomplished by specially designed ends of the spring, which provide an interference fit. Then as the shaft rotates the spring... [See More]

  • Mechanical Seal Type: Single
  • Spring Element: Single Spring
  • Seal Design: Pusher
  • Specialized Mounting: Cartridge
Mechanical Seal Disc Springs -- 1040
from Daemar Inc.

Most single spring mechanical seals come in two parts: The “Head ” & the “Seat ”. The Head is part of the spring assembly and it usually mounts on the shaft. The Seat is not part of the spring assembly and usually mounts in the bore. Cup Gasket - Provides secondary... [See More]

  • Mechanical Seal Type: Single
  • Shaft Diameter: 2
  • Spring Element: Single Spring
  • Metal: Miscellaneous Metals
Fully Unitized, Heavy-duty Elastomer Bellows Shaft Seal -- Type 2100
from John Crane, Inc.

Designed for demanding applications, the Type 2100 mechanical seal is a compact, unitized, single-spring elastomer bellows seal that offers maximum durability and performance. Ideal for use in centrifugal, rotary and turbine pumps, compressors, chillers and other rotary equipment. The Type 2100 is... [See More]

  • Mechanical Seal Type: Single
  • Seal Application: Pump
  • Seal Design: Elastomeric Bellows
  • Shaft Diameter: 0.3750 to 3.75
Single Stationary Spring Cartridge -- Style SMS1
from Flex-A-Seal, Inc.

Single Stationary Multiple Spring Cartridge with Circulation Gland. Part of Flex-A-Seal ’s integrated/platform single cartridge seal design;. Patent pending Plunger-Lock drive;. Industries leading economical single stationary cartridge design;. Monolithic face w/ homogenous material;. Drive... [See More]

  • Mechanical Seal Type: Single
  • Spring Element: Multi-spring
  • Seal Design: Pusher
  • Specialized Mounting: Cartridge
Mechanical Seal Disc Springs -- 1042
from Daemar Inc.

Most single spring mechanical seals come in two parts: The “Head ” & the “Seat ”. The Head is part of the spring assembly and it usually mounts on the shaft. The Seat is not part of the spring assembly and usually mounts in the bore. Cup Gasket - Provides secondary... [See More]

  • Mechanical Seal Type: Single
  • Shaft Diameter: 1.75
  • Spring Element: Single Spring
  • Metal Carbide & Metal Oxide (Ceramic): Miscellaneous Metal Oxides
Gas-lubricated, Non-contacting Single Seal For Cryogenic Pumps -- Type 285
from John Crane, Inc.

As the worldwide leader in spiral groove technology, John Crane is the first to utilize non-contacting seals in cryogenic applications. The Type 285 can safely seal the most common industrial liquid gasses, such as liquid nitrogen, oxygen, argon and carbon dioxide. It fits the most popular cryogenic... [See More]

  • Mechanical Seal Type: Single
  • Seal Application: Pump; Cryogenic Seal
  • Seal Design: Metal Bellows
  • Shaft Speed: ? to 10000
Single Stationary Spring Cartridge -- Style SS1
from Flex-A-Seal, Inc.

Single Stationary Single Spring Cartridge with Circulation Gland. Part of Flex-A-Seal ’s integrated/platform single cartridge seal design;. Patent pending Plunger-Lock drive;. Stationary pusher design;. Hydraulically balanced;. Heavy-duty rugged design;. No little springs to clog or fatigue,... [See More]

  • Mechanical Seal Type: Single
  • Spring Element: Single Spring
  • Seal Design: Pusher
  • Specialized Mounting: Cartridge
Mechanical Seal Disc Springs -- 1102
from Daemar Inc.

Most single spring mechanical seals come in two parts: The “Head ” & the “Seat ”. The Head is part of the spring assembly and it usually mounts on the shaft. The Seat is not part of the spring assembly and usually mounts in the bore. Cup Gasket - Provides secondary... [See More]

  • Mechanical Seal Type: Single
  • Shaft Diameter: 2.12
  • Spring Element: Single Spring
  • Metal: Miscellaneous Metals
General-duty Elastomer Bellows Shaft Seal -- Type 21
from John Crane, Inc.

Our general-purpose Type 21 mechanical seal has become the industry standard for OEM designers. Automatic adjustment compensates for abnormal shaft-end play, run-out, primary ring wear and equipment tolerances. The Type 21 is ideal for use in centrifugal, rotary and turbine pumps, compressors,... [See More]

  • Mechanical Seal Type: Single
  • Seal Application: Pump
  • Seal Design: Elastomeric Bellows
  • Shaft Diameter: 0.2500 to 4
Stationary Multiple Spring Cartridge -- Style PHS
from Flex-A-Seal, Inc.

Style PHS Stationary Multiple Spring Cartridge with Plain Gland. Stationary multiple spring design for better face alignment. In highly corrosive conditions that require expensive upgrades to higher alloy metals like Duplex S.S., Alloy 20, Hastelloy C276, the PH seals are an ideal economical... [See More]

  • Mechanical Seal Type: Single
  • Spring Element: Multi-spring
  • Seal Design: Pusher
  • Specialized Mounting: Cartridge
Mechanical Seal Disc Springs -- 1178
from Daemar Inc.

Most single spring mechanical seals come in two parts: The “Head ” & the “Seat ”. The Head is part of the spring assembly and it usually mounts on the shaft. The Seat is not part of the spring assembly and usually mounts in the bore. Cup Gasket - Provides secondary... [See More]

  • Mechanical Seal Type: Single
  • Shaft Diameter: 1.12
  • Spring Element: Single Spring
  • Metal Carbide & Metal Oxide (Ceramic): Miscellaneous Metal Oxides
General-purpose Single Cartridge Metal Bellows Seal -- EZ-1®
from John Crane, Inc.

The EZ-1 ® universal package adapts easily to most media, as key markets include chemical, pulp and paper, wastewater, food processing and power generation. The benefits of the EZ-1 include: flush port versatility; corrosion-resistant Alloy-20 or Alloy C-276 bellows; availability with hard faces... [See More]

  • Mechanical Seal Type: Single
  • Seal Application: Pump
  • Seal Design: Metal Bellows
  • Shaft Diameter: 1.12 to 3.5
Sturdy Single Spring Component Seal -- Style 17
from Flex-A-Seal, Inc.

The Single Spring serves to keep the sealing faces in contact and positively transmits the drive evenly 360 º around the full circumference of the rotary face. This is accomplished by specially designed ends of the spring, which provide an interference fit. Then as the shaft rotates the spring... [See More]

  • Mechanical Seal Type: Single
  • Spring Element: Single Spring
  • Seal Design: Pusher
  • Specialized Mounting: Cartridge
Mechanical Seal Disc Springs -- 1500
from Daemar Inc.

Most single spring mechanical seals come in two parts: The “Head ” & the “Seat ”. The Head is part of the spring assembly and it usually mounts on the shaft. The Seat is not part of the spring assembly and usually mounts in the bore. Cup Gasket - Provides secondary... [See More]

  • Mechanical Seal Type: Single
  • Shaft Diameter: 1.5
  • Spring Element: Single Spring
  • Metal: Miscellaneous Metals
Low-pressure Elastomer Bellows Unitized Seal Head for Small-diameter Pumps -- Type 6
from John Crane, Inc.

This compact, unitized, single-spring, elastomer bellows mechanical seal is designed for use in small centrifugal water pumps, deep- and shallow-well jet pumps, pool and spa pumps and wastewater pumps. Applications. Process Pumps. Other Rotating Equipment [See More]

  • Mechanical Seal Type: Single
  • Seal Application: Pump
  • Seal Design: Elastomeric Bellows
  • Shaft Diameter: 0.3750 to 1
Mechanical Seal Disc Springs -- 160
from Daemar Inc.

Most single spring mechanical seals come in two parts: The “Head ” & the “Seat ”. The Head is part of the spring assembly and it usually mounts on the shaft. The Seat is not part of the spring assembly and usually mounts in the bore. Cup Gasket - Provides secondary... [See More]

  • Mechanical Seal Type: Single
  • Shaft Diameter: 0.3750
  • Spring Element: Single Spring
Metal Bellows Dry-running Secondary Emission Containment Seal -- ECS®
from John Crane, Inc.

Available in low- and high-temperature designs, the ECS ® is a dry-running seal for emission containment and safety/backup that successfully controls VOC (volatile organic compounds) and VHAP (volatile hazardous air pollutant) emissions. The ECS provides an economical alternative to dual seals... [See More]

  • Mechanical Seal Type: Single
  • Seal Application: Pump
  • Seal Design: Metal Bellows
  • Rubbing Speed: ? to 5000
Mechanical Seal Disc Springs -- 3743
from Daemar Inc.

Most single spring mechanical seals come in two parts: The “Head ” & the “Seat ”. The Head is part of the spring assembly and it usually mounts on the shaft. The Seat is not part of the spring assembly and usually mounts in the bore. Cup Gasket - Provides secondary... [See More]

  • Mechanical Seal Type: Single
  • Shaft Diameter: 1.75
  • Spring Element: Single Spring
  • Metal: Miscellaneous Metals
Multi-purpose Non-pusher Elastomer Bellows Seal -- Type 2
from John Crane, Inc.

The Type 2 mechanical seal is available in single, double and balanced arrangements. An outside-mounted spring results in a compact working height that enables it to fit very short stuffing boxes. Applications. Process Pumps. Other Rotating Equipment [See More]

  • Mechanical Seal Type: Single
  • Seal Application: Pump
  • Seal Design: Elastomeric Bellows
  • Shaft Diameter: 1 to 4
Non-contacting Dual Gas Seal Cartridge for Pumps -- Type 2874
from John Crane, Inc.

The Type 2874 is an internally pressurized, gas-lubricated, non-contacting dual cartridge seal designed for use in API, ANSI and DIN large-bore seal chambers. ID to OD pumping spiral groove arrangement places process fluid at the OD of the inboard seal. Eliminates low flow regions in close proximity... [See More]

  • Mechanical Seal Type: Single
  • Shaft Diameter: 1.38 to 4
  • Seal Application: Pump; Gas Seal (Spiral Groove Seal)
  • Shaft Speed: 1450 to 3600
Non-contacting Gas Seal for Steam Turbines -- Type 28ST
from John Crane, Inc.

Type 28ST combines proven rotating groove technology and high-temperature secondary seals to reduce steam leakage by nearly two orders of magnitude, as compared to traditional sealing devices, such as segmented carbon rings and labyrinths. This steam-lubricated, end-face cartridge seal reacts... [See More]

  • Mechanical Seal Type: Single
  • Shaft Diameter: ? to 6.5
  • Seal Application: Gas Seal (Spiral Groove Seal)
  • Rubbing Speed: 400
Non-contacting Gas Seal for Turbo Compressors -- Type 28AT
from John Crane, Inc.

Type 28AT: The original gas seal, with a design pedigree stretching back over 30 years and evolving gradually, installed and proven in thousands of compressors all around the world and remaining the preferred seal choice for many customers. Type 28 compressor dry-running gas seals have been the... [See More]

  • Mechanical Seal Type: Single
  • Shaft Diameter: ? to 12.12
  • Seal Application: Gas Seal (Spiral Groove Seal)
  • Rubbing Speed: 394
Non-contacting Gas Seal for Turbo Compressors -- Type 28EXP
from John Crane, Inc.

Type 28EXP: The product for the most challenging and hostile environments with proven and independently audited performance to 425 bar(g). Type 28 compressor dry-running gas seals have been the industry standard since early 1970 for gas-handling turbomachinery. Utilizing John Crane ’s patented... [See More]

  • Mechanical Seal Type: Single
  • Shaft Diameter: ? to 13.75
  • Seal Application: Gas Seal (Spiral Groove Seal)
  • Rubbing Speed: 39600
Non-contacting Gas Seal for Turbo Compressors -- Type 28XP
from John Crane, Inc.

Type 28XP: Possibly the most popular seal in the range today, the Type 28XP builds on the 28AT design and seals medium to high pressures with improved chemical resistance. It can also operate over a wider temperature range and is increasingly the preferred product for large sizes, and for... [See More]

  • Mechanical Seal Type: Single
  • Shaft Diameter: ? to 13.75
  • Seal Application: Gas Seal (Spiral Groove Seal)
  • Rubbing Speed: 39600
Non-contacting Gas Seal for Vaporizing Liquids -- Type 28VL
from John Crane, Inc.

Utilizing proven spiral groove technology, the Type 28VL harnesses the rotational energy of the pump shaft to vaporize the process fluid at a controlled rate, creating a stable gas film that lubricates the seal faces. Typical problems, such as dry-running wear, vapor lock in the seal chamber and... [See More]

  • Mechanical Seal Type: Single
  • Shaft Diameter: ? to 11
  • Seal Application: Gas Seal (Spiral Groove Seal)
  • Rubbing Speed: 35400
Non-contacting, Gas-lubricated Seals for Small-bore Rotating Equipment -- Type 2800E
from John Crane, Inc.

The rotating mating ring features micromachined spiral grooves that compress an inert barrier gas and create a lifting force on the primary seal faces. Gas-lubricated non-contacting seal faces operate without friction and without added heat. No seal liquid is used, which preserves 100 percent... [See More]

  • Mechanical Seal Type: Single
  • Rubbing Speed: ? to 5000
  • Shaft Diameter: 0.8750 to 4
  • Operating Pressure: ? to 232
Non-contacting, Non-elastomer Metal Bellows Outward Pumping Dual Gas Seal for High-temperature Applications -- Type 2874NE
from John Crane, Inc.

A new, highly reliable gas-lubricated API 682 (ISO 21049) qualified high-temperature, non-contacting mechanical seal that utilizes internally pressurized outward pumping spiral groove face technology with high-temperature seal features such as Inconel-welded metal bellows and non-elastomeric... [See More]

  • Mechanical Seal Type: Single
  • Seal Application: Pump
  • Seal Design: Metal Bellows
  • Shaft Diameter: 0.7874 to 4.33
Separation Seal -- Type 83
from John Crane, Inc.

The Type 83 is a dual-segmented carbon bushing assembly designed to prevent the migration of bearing oil to the dry gas seal cartridge. Normally applied as a double arrangement with an inert buffer gas. When used in conjunction with the Type 28 dry-running gas seal, it provides a total sealing... [See More]

  • Mechanical Seal Type: Single
  • Shaft Diameter: 1.57 to 14.76
  • Seal Application: Gas Seal (Spiral Groove Seal)
  • Rubbing Speed: 25800
Separation Seal -- Type 93FR
from John Crane, Inc.

The Type 93FR is a non-contacting carbon bushing designed to protect dry gas seals from bearing oil ingress. Segments are specifically designed to prevent oil migration. Separation gas (normally nitrogen or air) is injected between the two segmented bushings, effectively creating a pressure barrier... [See More]

  • Mechanical Seal Type: Single
  • Shaft Diameter: 1.57 to 14.76
  • Seal Application: Gas Seal (Spiral Groove Seal)
  • Rubbing Speed: 25800
Single Cartridge Elastomer Bellows Seal -- Type 5611
from John Crane, Inc.

The Type 5611 mechanical seal is the first truly universal cartridge seal — and its modular family concept will change your approach to sealing. Type 5600 Series components are interchangeable, enabling one seal family to be applied throughout your plant. This gives you the flexibility to... [See More]

  • Mechanical Seal Type: Single
  • Seal Application: Pump
  • Seal Design: Elastomeric Bellows
  • Shaft Diameter: 1 to 4
Single Cartridge Elastomer Bellows Seal with Quench -- Type 5611Q
from John Crane, Inc.

The Type 5611Q mechanical seal is part of the 5600 universal cartridge seal family — and the modular concept of John Crane's Universal Cartridge will change your approach to sealing. Since the 5600 Series components are interchangeable, you can apply one seal family throughout your plant. This... [See More]

  • Mechanical Seal Type: Single
  • Seal Application: Pump
  • Seal Design: Elastomeric Bellows
  • Shaft Diameter: 1 to 4