Products & Services
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Supplier: KC Seals, Inc.
Description: We carry a variety of different stem packing, whether it be 100% expanded vigin PTFE, Grafoil Rings, or custom machined stem packing, K.C. Seals is more than capable of taking care of your stuffing box needs. K.C. Seals has been supplying high performance seals to North
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Supplier: John Crane, Inc.
Description: Used to control valve leakage in inaccessible areas. Use of John Crane material allows for decreased inventory, along with reduced maintenance time. Reliability of valve packing system creates a safety factor for those inaccessible operations. Applications Process Pumps Mixer and Agitators
- Construction: Multi-Braid or Lattice
- Cross Section: Square Cross Section
- Specialty Application: Pump / Rotating Equipment Packing, Valve Packing
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Supplier: Gardico, Inc.
Description: Expanded PTFE (Teflon) Conforms easily, very high density when compressed. pH 0-14, temp -400 to +500o F, pressure to 1450 psi Graphited yarn over inconel High temperature, high pressure steam applications. pH 2-12, temp to 1200o F, pressure to 2500 psi
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Supplier: John Crane, Inc.
Description: John Crane CVU and CVH sets cover a wide range of fluids, including acids, caustics and solvents at high temperatures and pressures. These automatic packings have superior sealing abilities, making them ideal for critical service applications. They require little or no gland adjustment
- Construction: Multi-Braid or Lattice
- Cross Section: Square Cross Section
- Material Classification: Polytetrafluoroethylene (PTFE)
- Operating Pressure: 1000 psi
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Supplier: John Crane, Inc.
Description: John Crane Style 387I is a special high-temperature/pre ssure and corrosion-inhibited valve stem packing specifically designed for steam valve service commonly related to power generation. A round braided jacket of Inconel wire-inserted "S2" fiberglass over a specially designed
- Construction: Multi-Braid or Lattice
- Cross Section: Square Cross Section
- Lubrication: Graphite
- Material Classification: Fiberglass, Inconel® Wire Reinforced
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Supplier: Palmetto, Inc.
Description: Palpak™, style 1900 is a pure PTFE valve stem packing. Designed to provide a high degree of pliability, Palpak is ideal for packing worn valve stems, reducing the need for expensive repairs on older valves. Palpak is highly recommended for use plant wide in virtually all
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Supplier: Accuris
Description: PACKING, ASBESTOS, VALVE-STEM
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Supplier: Accuris
Description: Live-Loaded Valve Stem Packing Systems
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Supplier: Accuris
Description: Fire Test for Evaluation of Valve Stem Packing
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Supplier: Accuris
Description: Qualification Testing Methods for Stem Packing for Rising Stem Steel Valves
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Supplier: Phelps Industrial Products
Description: , hatch seals and inspection port seals. It is an excellent valve stem packing for a wide range of chemical and corrosive media. Style 2034 conforms with Mil-P-24396, Type B.
- Alternate Shaft or Rubbing Speed: 900 ft/min
- Construction: Other
- Cross Section: Square Cross Section
- Cross Sectional Size: 0.1250 to 1 inch
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Supplier: Phelps Industrial Products
Description: Phelps Style 2440 is pure PTFE Cord for valves. This flexible valve stem packing is easy to install since valve disassembly is not required - simply wind the cord around the valve stem, push it down into the stuffing box and compress it by tightening the gland nut. The result in
- Loose Packing: Yes
- Material Classification: Polytetrafluoroethylene (PTFE)
- Operating Pressure: Up to 500 psi
- Operating Temperature: -450 to 500 F
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Description: Flexible Graphite Packing System for Rising Stem Valves - Design Requirements This Standard Practice establishes material and dimensional requirements for valve packing, packing chamber, packing gland, packing washer, bonnet, and the stem, as they
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Description: Live-Loaded Valve Stem Packing Systems Forward: This Standard Practice was developed by a cooperative effort of representatives of valve and packing manufacturers. This Standard Practice is intended primarily to be an aid in the design and application of live-loaded
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Description: Qualification Testing Methods for Stem Packing for Rising Stem Steel Valves This Standard Practice provides procedures and guidelines for testing and evaluation of valve stem packing materials and material combinations. This testing provides qualification by
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Supplier: Quarter Turn Valve
Description: ? CARBON STEEL A105 BALL VALVE, STAINLESS STEEL BALL AND STEM ? 2-WAY, FULL PORT SIZE 1/2" ? BLOW OUT PROOF STEM, ADJUSTABLE STEM PACKING, PRESSURE RATING 1000 psi wof- 150 psi STEAM ? PTFE SEATS, SEALS AND THRUST WASHER
- Actuation: Manual / Hand
- Number of Ports/Ways: 2
- Pressure Rating: 1000 psi
- Primary Material of Construction: Stainless Steel, Steel
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Supplier: Quarter Turn Valve
Description: ? CARBON STEEL A105 BALL VALVE, STAINLESS STEEL BALL AND STEM ? 2-WAY, FULL PORT SIZE 1-1/4" ? BLOW OUT PROOF STEM, ADJUSTABLE STEM PACKING, PRESSURE RATING 1000 psi wof- 150 psi STEAM ? PTFE SEATS, SEALS AND THRUST WASHER
- Actuation: Manual / Hand
- Number of Ports/Ways: 2
- Pressure Rating: 1000 psi
- Primary Material of Construction: Stainless Steel, Steel
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Supplier: Quarter Turn Valve
Description: ? CARBON STEEL A105 BALL VALVE, STAINLESS STEEL BALL AND STEM ? 2-WAY, FULL PORT SIZE 1" ? BLOW OUT PROOF STEM, ADJUSTABLE STEM PACKING, PRESSURE RATING 1000 psi wof- 150 psi STEAM ? PTFE SEATS, SEALS AND THRUST WASHER
- Actuation: Manual / Hand
- Number of Ports/Ways: 2
- Pressure Rating: 1000 psi
- Primary Material of Construction: Stainless Steel, Steel
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Supplier: Quarter Turn Valve
Description: ? CARBON STEEL A105 BALL VALVE, STAINLESS STEEL BALL AND STEM ? 2-WAY, FULL PORT SIZE 1-1/2" ? BLOW OUT PROOF STEM, ADJUSTABLE STEM PACKING, PRESSURE RATING 1000 psi wof- 150 psi STEAM ? PTFE SEATS, SEALS AND THRUST WASHER
- Actuation: Manual / Hand
- Number of Ports/Ways: 2
- Pressure Rating: 1000 psi
- Primary Material of Construction: Stainless Steel, Steel
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Supplier: Watts
Description: packing gland, stem packing nut, 304 stainless steel ball, brass adapter, and steel handle. Model FBV-3C-SS has female NPT end connections. Model FBVS-3C-SS has solder end connections. Pressure Rating: 600psi WOG; 150psi WSP.
- Media: Water
- Primary Material of Construction: Brass / Bronze, Stainless Steel
- Valve Size: 0.5000 to 2 inch
- Valve Type: Ball Valves
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Supplier: ASTM International
Description: This specification covers staple or continuous filament carbon/graphite yarn valve stem compression packing, suitable for use as end-rings on packing systems for valves. Intended services include steam, hydrocarbons, water and non-oxidizing chemicals. The material shall be of
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Supplier: ASTM International
Description: 1.1 This specification covers staple or continuous filament carbon/graphite yarn valve stem compression packing, suitable for use as end-rings on packing systems for valves. Intended services include steam, hydrocarbons, water and non-oxidizing chemicals. Where this
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Supplier: ASTM International
Description: 1.1 This specification covers staple or continuous filament carbon/graphite yarn valve stem compression packing, suitable for use as end-rings on packing systems for valves. Intended services include steam, hydrocarbons, water and non-oxidizing chemicals. Where this
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Supplier: Sharpe Valves
Description: High cycle stem packing, integral mounting pad
- Actuation: Manual / Hand
- Media: Water, Cold Water, Ground Water, Potable Water, Wastewater, Gas, Gasoline / Diesel Fuel
- Number of Ports/Ways: 2
- Pressure Rating: 1000 psi
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Supplier: Sharpe Valves
Description: In service adjustable stem packing, integral mounting pad, pull port
- Actuation: Pneumatic
- Flow (Cv): 7
- Media: Water, Cold Water, Ground Water, Potable Water, Wastewater, Gas, Gasoline / Diesel Fuel
- Number of Ports/Ways: 2
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Supplier: Sharpe Valves
Description: High cycle stem packing, integral mounting pad. 3-A approved
- Actuation: Manual / Hand
- Media: Water, Cold Water, Ground Water, Potable Water, Wastewater, Gas, Gasoline / Diesel Fuel, Steam
- Number of Ports/Ways: 2
- Pressure Rating: 1480 psi
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Supplier: Sharpe Valves
Description: Live loaded stem packing, blow out proof stem, available in L or T port
- Actuation: Manual / Hand
- Flow (Cv): 43
- Media: Water, Cold Water, Ground Water, Potable Water, Wastewater, Gas, Gasoline / Diesel Fuel
- Number of Ports/Ways: 3
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Supplier: Radwell International
Description: STEM PLUG AND PACKING KIT. FREE 2 YEAR RADWELL WARRANTY
- Seal Application: Gas Seal (Spiral Groove Seal)
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Supplier: KITZ Corporation of America
Description: The stem area of this valves is sealed double with a formed multi-ply bellows and gland packing, which completely prevent stem leakage of toxic fluids.
- Actuation: Manual / Hand
- Media: Other
- Primary Material of Construction: Stainless Steel
- Valve Type: Globe Valves
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Supplier: Radwell International
Description: STEM, PLUG & PACKING, 2.0CV. FREE 2 YEAR RADWELL WARRANTY
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Supplier: Radwell International
Description: EXPENDABLE VALVE STEM PACKING .875X1.375INCH. FREE 2 YEAR RADWELL WARRANTY
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Supplier: Radwell International
Description: STEM PACKING KIT FOR V720-RI-3/4. FREE 2 YEAR RADWELL WARRANTY
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Supplier: DynaQuip Controls
Description: Hexagon-shaped body for easy installation Corrosion-resistant phosphate coating Bottom-loaded stem Spring-loaded, adjustable stem packing Separate packing nut allows handle removal during valve service Reinforced PTFE seats reduce seat distortion Chrome-plated, mirror
- Actuation: Manual / Hand
- Pressure Rating: 3000 psi
- Valve Size: 0.5000 to 2 inch
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Supplier: Bonomi North America, Inc.
Description: 1" 2-Way, ANSI 150 Carbon Steel Wafer-style Flanged Ball Valve with Multiple V-stem packing For Steam & Double Acting Pneumatic Actuator
- Actuation: Pneumatic
- Media Temperature: -4 to 302 F
- Pressure Rating: 600 psi
- Valve Size: 1 inch
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Supplier: Superlok - Mako Products
Description: Features • Rolled stem operating threads for low torque operation. • Gland packing in PTFE or Graphite for bubble tight sealing. • Colour coded close contact dust cap and function label for easy identification. • Self centering crimped needle tip for
- Actuation: Manual / Hand
- Media Temperature: -65 to 1000 F
- Number of Ports/Ways: 2
- Pressure Rating: 10000 psi
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Description: valves used in instrument piping systems. (See MSS SP-99, Instrument Valves, and MSS SP-105, Instrument Valves for Code Applications). This Standard Practice applies to valves in which a compression packing assembly is used as the primary stem sealing system.
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Supplier: DME Company
Description: ¦ Heavy duty die cast brass ¦ Screwed bonnet, non-rising stem, solid wedge disc and integral seats ¦ Recommended for non-stem use ¦ Asbestos free graphite packing ¦ Pressure Rating: 200 W.O.G. non-shock ¦ Very economical
- Actuation: Mechanical Device
- Media: Other
- Number of Ports/Ways: 2
- Pressure Rating: 200 psi
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Supplier: DME Company
Description: Female x Female ¦ Extra heavy-duty bottom-loaded stem with a PTFE thrust washer and Viton O-ring. ¦ PTFE seats, thrust washer and stem packing ¦ Self cleaning chromium plated brass ball for maximum durability
- Actuation: Mechanical Device
- Media: Other
- Number of Ports/Ways: 2
- Pressure Rating: 400 psi
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Supplier: Superlok - Mako Products
Description: Features • Externally adjustable gland. • PTFE or Graphite packing for bubble tight sealing. • Self centering crimped needle tip for bubble tight shut off and repeatability. • Back seat design provides secondary stem sealing and prevents stem blow
- Actuation: Manual / Hand
- Media Temperature: -65 to 1000 F
- Number of Ports/Ways: 2
- Pressure Rating: 10000 psi
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Supplier: Velan, Inc.
Description: fluctuations in pressure and temperature. • Multiple solid cup and cone type PTFE stem seal or graphite packing. • Adjustable threaded gland. • Stem guides reduce side thrust. • Long cycle life. • Low, uniform torques. • Blowout-proof stem
- Pressure Rating: 1000 psi
- Valve Size: 0.5000 to 2 inch
- Valve Type: Ball Valves, Butterfly Valves
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Supplier: Velan, Inc.
Description: fluctuations in pressure and temperature. • Multiple solid cup and cone type PTFE stem seal or graphite packing. • Fire tested in accordance with API 607 Rev. 5/ISO 10497. • Adjustable self locking threaded gland NPS 1/2 - 2 (DN 15 - 50). • Stem guide in gland bushing
- Pressure Rating: 2000 psi
- Valve Size: 0.2500 to 2 inch
- Valve Type: Ball Valves, Butterfly Valves
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Description: 2WNC Valves may be ported backwards with the media pressure piped to Port No. 2. This brings the pressure under the seat, removing the stem packing from continuous pressure.
- Connection: Threaded
- Flow (Cv): 3.05
- Media Temperature: -40 to 388 F
- Pressure Rating: 200 psi
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Supplier: Watts
Description: Series WBV-3, WBVS-3 2-Piece, Standard Port, Brass Ball Valves are used in commercial and industrial applications for a full range of liquids and gases. It feature a bottom loaded pressure retaining stem, virgin PTFE seats & stem packing and an adjustable stem
- Media: Water
- Primary Material of Construction: Brass / Bronze
- Valve Size: 0.1250 to 4 inch
- Valve Type: Ball Valves
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Supplier: DynaQuip Controls
Description: VYH Series Three-way utility ball valve has a 90deg “L” port design for diverting flow from 1 inlet to two outlet ports. Features include chrome-plated brass and double O-ring stem packing for reduced torque, blowout-proof stem, four seat design and NPT end connections. ISO 5211
- Actuation: Manual / Hand
- Media Temperature: -20 to 450 F
- Number of Ports/Ways: 3
- Pressure Rating: 400 psi
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Supplier: Assured Automation
Description: flow Investment cast 2-piece lead free brass body Blow-out proof stem Compact assembly Locking device Adjustable stem packing 100% factory tested.
- Actuation: Manual / Hand
- Number of Ports/Ways: 2
- Pressure Rating: Up to 150 psi
- Primary Material of Construction: Brass / Bronze
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Supplier: Assured Automation
Description: unobstructed flow • Investment cast 2-piece body • Blow-out proof stem • Compact assembly • Locking device available • Adjustable stem packing • 100% factory tested
- Actuation: Manual / Hand
- Flow (Cv): 6.29 to 1622
- Media: Steam, Other
- Number of Ports/Ways: 2
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and back seating capability. A unique carbon filled PTFE seat is standard throughout the line, lending durability to the seating surface. In addition, a dual O-ring stem packing design along with a stem packing seal is standard on all valves 1⁄4” thru 12” (Shut- Off) and (read more)
Browse Ball Valves Datasheets for Parker Sporlan Division -
, full port with ISO 5211 pad for actuator. • Pressure rating 600 WOG-150 WSP. • Temperature range -4°F to 366°F. • ANSI B1.20.1 connections. • Blow-out proof stem, chrome plated brass ball and and double O-ring stem packing. • P.T.F.E seats with (read more)
Browse Ball Valves Datasheets for Bonomi North America, Inc. -
Product Features • Live-loaded packing system • Vee stem, regulating stem, soft-seat stem are optional • Compact design • Panel mounting • Straight, angle, and cross flow patterns • Working presssure up to 5000 psig (345 bar (read more)
Browse Control Valves Datasheets for Shenzhen Jewellok Technology Co., Ltd. -
: Durable Construction: WCB body, SS304 plug and stem, PTFE packing (read more)
Browse Control Valves Datasheets for Shanghai Thinktank Process Management Co., Ltd -
/700LL Series valves are available in sizes ¼-inch to 2 inches featuring an investment cast 2-piece WCB or CF8M body, blow-out proof stem design, self-adjusting stem packing and a thermal relief hole in the stem slot. A latch-lock handle is standard equipment (read more)
Browse Ball Valves Datasheets for Bonomi North America, Inc. -
or fluid leakage while scraping away contaminants. Mechanical and rotary shaft seal: Provide a more reliable seal between rotating shafts and stationary housings. Stem packing seals: Prevent leakage along valve stems in control and isolation valves (read more)
Browse Resins and Compounds Datasheets for AGC Chemicals Americas, Inc. -
unique specifications. The flagship of the ValvTechnologies’ product line, the V1-1, is the valve by which all other severe service metal-seated ball valves are measured. The V1-1 design includes integral seats, RiTech® hard coatings, blowout-proof stem and live-loaded packing (read more)
Browse Ball Valves Datasheets for ValvTechnologies, Inc. -
highest flow capacity. The dual packing design and a large diameter self-aligning stem ensures the highest cycle life. Typical Applications: Steam Air Drying Equipment Sterilizers Autoclaves Pollution Control Equipment Process (read more)
Browse Valve Actuators Datasheets for Assured Automation -
Product Features • Bi-directional flow (fully opened or fully closed) • Directional handle indicating on-off position • Low operating torque • Encapsulated seat • Single piece ball stem to eliminate backlash • One piece body (read more)
Browse Ball Valves Datasheets for Shenzhen Jewellok Technology Co., Ltd. -
. Common Components Here are the common components of an Eccentric Plug Valve we will be discussing. • Packing • Bearings • Plug • Bonnet • Grit Seals • Thrust Bearings • Body (read more)
Browse Plug Valves Datasheets for McWane Plant and Industrial
Conduct Research Top
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Standard RuB Stem Packing Designs
RuB uses five different stem packing designs on its different brass ball valves. The most important distinction between these is the sealing material - which is either PTFE or FPM.
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Definition and Applications of Compression Packing
Control of fluid loss is essential to the successful operation of mechanical equipment used in fluid handling. Various methods are utilized to control leakage at shafts, rods, or valve stems and other functional parts or equipment requiring containment of liquids or gases. The oldest and still most
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Beware Thermal Cycling in BioProcessing Part One
the same kinds of fittings used to assemble the complete system and connect all the parts together. Those connections will be discussed in Part 2 of this article (to appear in September s issue of Pharmaceutical Manufacturing) on sanitary fittings. The critical seals in ball valves are at the stem
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ISA CNTRL VALVES - Control Valves
The flexible member may or may not be surrounded by a pressure retaining boundary consisting of a metal housing with stem packing box.
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ISA CNTRL VALVE PRIMER - Control Valve Primer: A User's Guide
Will My Valve Be Too Noisy?, 95 Methods of Aerodynamic Valve Noise Reduction, 100 How About Cavitation?, 106 Noise Produced by Turbulence and Cavitation of Liquids, 111 Avoidance of Leaky Valve Stem Packings , 111 Bellows Seals, 114 References, 115 .
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Guidelines to achieve seals with minimal leak rates for HWR-NPR coolant system components
The sources of valve leakage in order of importance are (1) stem packing leakage, (2) seat leakage due to chemical buildup, (3) body-to-bonnet joint leakage, (4) valve damage due to cavitation, and (5) excessive seat closure loading.
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ISA ESSNTLS MDRN MEAS FINL ELEM - Essentials of Modern Measurements and Final Elements in the Process Industry: A Guide to Design, Configuration, Installation,...
A flow loop also deals with the friction in the valve stem packing and trim seal (stick-slip), the backlash from linkages and connections (dead band), pressure disturbances, and changes in fluid density much faster than a primary process variable controller because…
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Thermal Reactor Safety
The results of this study indicate that frequent failure modes in valves include lack of leak tightness in both stem packing seals and valve seats, and operational malfunction resulting from problems with actua- tors, their power controls and instrumentation.