1/4" NPT Diaphragm Seals
from Plast-O-Matic Valves, Inc.
Series GGS & GGSE Superior accuracy pressure or vacuum isolator with steel-reinforced gauge hub and a wide range of options, including acrylic shield, removable housing, choice of gauges and materials. [See More]
- Instrument Connection: 1/4"; Female NPT
- Process Connection Type: Threaded
- Seal Design: Clamped Diaphragm; Removable Upper Housing (optional feature)
- Process Connection Size: 1/2"; Female NPT
from Plast-O-Matic Valves, Inc.
Compact, low-cost diaphragm seal in polypropylene. Buna-N or Viton seals. Available with or without pressure gauges; GGME is suitable for use with virtually any pressure instrument that requires protection from ultrapure or corrosive liquid. Accuracy to within 4%. Suitable for positive pressure... [See More]
- Instrument Connection: 1/4"; Female NPT
- Process Connection Type: Threaded
- Seal Design: Removable Upper Housing
- Process Connection Size: 1/2"; Male NPT
from Plast-O-Matic Valves, Inc.
Series GGME Compact, high accuracy pressure or vacuum isolator with polypro connection, choice of gauges. [See More]
- Instrument Connection: 1/4"; Female NPT
- Process Connection Type: Threaded
- Seal Design: Clamped Diaphragm
- Process Connection Size: 1/2"; Male NPT
from Plast-O-Matic Valves, Inc.
Series GGMU Ultra-pure “zero deadleg ” inline isolator in PVDF, Natural Polypro, or PVC with a variety of spigot or sanitary connections and gauge options. [See More]
- Instrument Connection: 1/4"; Female NPT
- Process Connection Type: With Flush Port; Other (Spigot with Union Nuts)
- Seal Design: Clamped Diaphragm
- Process Connection Size: 1/2"
from Plast-O-Matic Valves, Inc.
Series GGMU Ultra-pure “zero deadleg ” inline isolator in PVDF, Natural Polypro, or PVC with a variety of spigot or sanitary connections and gauge options. [See More]
- Instrument Connection: 1/4"; Female NPT
- Process Connection Type: With Flush Port; Other (Spigot with Union Nuts)
- Seal Design: Clamped Diaphragm
- Process Connection Size: 1/2"
from U.S. Plastic Corporation
1/4" x 1/4" GG Series CPVC Guard Only [See More]
- Instrument Connection: 1/4"
- Process Connection Size: 1/4"
- Process Connection Type: Threaded
- Diaphragm Material: Other (CPVC)
from Winters Instruments
Description & Features: • Features a durable and flexible Teflon ® diaphragm seal, which serves as a protective barrier between the process fluid and instrument • High accuracy and dependability • CRN registered • 1 year warrantyApplications: • Provides an... [See More]
- Instrument Connection: 1/4"; Female NPT
- Process Connection Type: Threaded
- Seal Design: Clamped Diaphragm
- Process Connection Size: 1/4"; 1/2"; Female NPT
from NOSHOK, Inc.
A threaded connection, off-line seal with a replaceable diaphragm. Designed for high pressure applications. Rated up to 20,000 psi. Displacement capability is 0.05 cubic inches. Specifications: UPPER HOUSING: Carbon steel or 316 Stainless steel. LOWER HOUSING: All metallic. DIAPHRAGM MATERIALS: All... [See More]
- Instrument Connection: Bleed Connection; 1/4"; 1/2"; Female NPT
- Process Connection Type: Threaded; With Flush Port (optional feature)
- Seal Design: Clamped Diaphragm
- Process Connection Size: 1/4" (optional feature); 3/8" (optional feature); 1/2" (optional feature); 3/4" (optional feature); 1" (optional feature); 1-1/4" (optional feature); 1-1/2" (optional feature); Female NPT
from OMEGA Engineering, Inc.
OMEGA Diaphragm Pressure Seals afford greater protection to sensitive pressure instrumentation from the damaging effects of corrosives, slurries, or viscous fluids that may be present in your pressure line. A variety of designs and styles are available to suit your application requirements. 100... [See More]
- Instrument Connection: 1/4"; Female NPT
- Process Connection Type: Flanged; Threaded; Welded Pipe (optional feature)
- Seal Design: Removable Upper Housing
- Process Connection Size: 1"; 1-1/2"; 2"; Female NPT
from Winters Instruments
Description & Features: • Constructed with a welded diaphragm placed at the end of the male NPT connection, eliminating the normal diaphragm chamber where solidification of the process media may render the seal inoperable • Rugged and suitable for the most severe process applications... [See More]
- Instrument Connection: Bleed Connection; 1/4"; Female NPT
- Process Connection Type: Threaded
- Seal Design: Welded Diaphragm
- Process Connection Size: 3/4"; Male NPT
from NOSHOK, Inc.
Utilize an all welded, all metallic housing design. Pressure rated to 5,000 psi. Housing and diaphragm offered in a variety of materials to suit most applications. A flushing port is offered as an option. Specifications: UPPER HOUSING: 316 Stainless steel, Carpenter 20 â „ ¢ ... [See More]
- Instrument Connection: Bleed Connection; 1/4"; 1/2"; Female NPT
- Process Connection Type: Threaded; With Flush Port (optional feature)
- Seal Design: Welded Diaphragm
- Process Connection Size: 1/4" (optional feature); 3/8" (optional feature); 1/2" (optional feature); Female NPT
from Winters Instruments
Description & Features: • Meets the requirements of dairy, food, beverage, chemical and pharmaceutical industries • CRN registered • 1 year warrantyApplications: • When attached to a Winters all stainless steel construction pressure gauge, the unit becomes completely... [See More]
- Instrument Connection: 1/4"; Female NPT
- Process Connection Type: Sanitary; Other (2" Tri-Clamp)
- Seal Design: Welded Diaphragm
- Process Temperature at the Seal: -4 to 248
from NOSHOK, Inc.
Utilize an all metallic diaphragm welded to the upper housing. Displacement capability is 0.05 cubic inches. Pressure rating is 5,000 psi to 20,000 psi. A wide variety of instrument and process connections are available. A flushing connection is offered as an option. Specifications: UPPER HOUSING:... [See More]
- Instrument Connection: Bleed Connection; 1/4"; 1/2"; Female NPT
- Process Connection Type: Threaded; With Flush Port (optional feature)
- Seal Design: Welded Diaphragm
- Process Connection Size: 1/4" (optional feature); 3/8" (optional feature); 1/2" (optional feature); 3/4" (optional feature); 1" (optional feature); 1-1/4" (optional feature); 1-1/2" (optional feature); Female NPT
from Winters Instruments
Description & Features: • Compact, lightweight and economical • Constructed of AISI 316 stainless steel and is welded together into a one piece unit • CRN registered • 1 year warrantyApplications: • Offers protection for pressure instruments (gauges and transmitters)... [See More]
- Instrument Connection: 1/4"; Female NPT
- Process Connection Type: Threaded
- Seal Design: Welded Diaphragm
- Process Connection Size: 1/4"; Female NPT
from NOSHOK, Inc.
Constructed with a 316 Stainless steel housing and diaphragm. Maximum pressure rating is 9,000 psi. Available instrument connection sizes are 1/4 â € and 1/2" NPT with a process connection size of 1/2" NPT male to 2" NPT male. Specifications: HOUSING: 316 Stainless steel. DIAPHRAGM... [See More]
- Instrument Connection: Bleed Connection; 1/4"; 1/2"; Female NPT
- Process Connection Type: Threaded
- Seal Design: Welded Diaphragm
- Process Connection Size: 3/8" (optional feature); 1/2" (optional feature); 3/4" (optional feature); 1" (optional feature); 1-1/4" (optional feature); 1-1/2" (optional feature); 2" (optional feature); Male NPT
from Winters Instruments
Description & Features: • Compact (one piece), lightweight and economical • CRN registered • 1 year warrantyApplications: • Ideally suited for applications where space limitations exist • Primarily utilized to protect gauges and transmitters from corrosive media •... [See More]
- Instrument Connection: 1/4"; Female NPT
- Process Connection Type: Threaded
- Seal Design: Welded Diaphragm
- Process Connection Size: 1/4"; Female NPT
from NOSHOK, Inc.
All welded, all metallic housing design does not utilize an o-ring or gasket. Displacement is limited to 0.035 cubic inches, requiring the use of gauges with less than 4-1/2" dial size and bourdon tube range no lower than 0 to 15 psi. Pressure rating is 2,500 psi. Specifications: UPPER HOUSING: 316... [See More]
- Instrument Connection: Bleed Connection; 1/4"; 1/2"; Female NPT
- Process Connection Type: Threaded; With Flush Port (optional feature)
- Seal Design: Welded Diaphragm
- Process Connection Size: 1/4" (optional feature); 3/8" (optional feature); 1/2" (optional feature); 3/4" (optional feature); 1" (optional feature); Female NPT
from Winters Instruments
Description & Features: • "Continuous use" seals - backing plate will prevent diaphragm from rupturing if pressure sensing instrument fails. Pressure will be held until instrument is replaced • Various sizes and housing materials available • CRN registered available upon request... [See More]
- Instrument Connection: 1/4"; Female NPT
- Process Connection Type: Welded Pipe
- Seal Design: Clamped Diaphragm
- Process Connection Size: 1"
from NOSHOK, Inc.
Utilize a replaceable diaphragm and non-metallic lower housing. Rated to 200 psi with a displacement capability of 0.09 cubic inches. Specifications: UPPER HOUSING: Carbon steel or 316 Stainless steel. LOWER HOUSING: All non-metallic. DIAPHRAGM MATERIALS: All metallic or elastomers. O-RING: Buna-N... [See More]
- Instrument Connection: Bleed Connection; 1/4"; 1/2"; Female NPT
- Process Connection Type: Threaded
- Seal Design: Clamped Diaphragm
- Process Connection Size: 1/4" (optional feature); 3/8" (optional feature); 1/2" (optional feature); 3/4" (optional feature); 1" (optional feature); 1-1/4" (optional feature); 1-1/2" (optional feature); Female NPT
from Winters Instruments
Description & Features: • "Continuous use" seals - backing plate will prevent diaphragm from rupturing if pressure sensing instrument fails. Pressure will be held until instrument is replaced • Various sizes and housing materials available • CRN registered available upon request... [See More]
- Instrument Connection: 1/4"; Female NPT
- Process Connection Type: Flanged
- Seal Design: Welded Diaphragm
- Process Connection Size: 1"
from NOSHOK, Inc.
Utilize an all metallic diaphragm welded to the upper housing. Displacement capability is 0.05 cubic inches with a 2.4" diameter diaphragm. Maximum pressure rating is 200 psi with non-metallic lower housing materials. A flushing connection is offered as an option. Specifications: UPPER HOUSING:... [See More]
- Instrument Connection: Bleed Connection; 1/4"; 1/2"; Female NPT
- Process Connection Type: Threaded
- Seal Design: Welded Diaphragm
- Process Connection Size: 1/4" (optional feature); 3/8" (optional feature); 1/2" (optional feature); 3/4" (optional feature); 1" (optional feature); 1-1/4" (optional feature); 1-1/2" (optional feature); Female NPT
from Winters Instruments
Description & Features: • One-piece design - no internal gaskets or o-rings • Diaphragm is flush to the gasket sealing surface so no internal cavities for media buildup • Various sizes available • 1 year warrantyApplications: • Oil refineries, pulp and paper mills,... [See More]
- Instrument Connection: 1/4"; Female NPT
- Process Connection Type: Flanged
- Seal Design: Welded Diaphragm
- Process Connection Size: 2"; Female NPT
from NOSHOK, Inc.
Designed to utilize a replaceable diaphragm clamped between the metal housings. Specifications: UPPER HOUSING: Carbon steel or 316 Stainless steel. LOWER HOUSING: All metallic. DIAPHRAGM MATERIALS: All metallic or elastomers. O-RING: Buna-N ®, Teflon ®, Viton ®. BOLTING: Carbon steel... [See More]
- Instrument Connection: Bleed Connection; 1/4"; 1/2"; Female NPT
- Process Connection Type: Flanged (optional feature); Threaded; Welded Pipe (optional feature); With Flush Port (optional feature)
- Seal Design: Clamped Diaphragm
- Process Connection Size: 1/4" (optional feature); 3/8" (optional feature); 1/2" (optional feature); 3/4" (optional feature); 1" (optional feature); 1-1/4" (optional feature); 1-1/2" (optional feature); Female NPT
from Winters Instruments
Description & Features: • Compact, lightweight and economical • Constructed of AISI 316 stainless steel and welded together into a one piece unit • CRN registered • 1 year warrantyApplications: • Ideally suited for applications where space limitations exist [See More]
- Instrument Connection: Bleed Connection; 1/4"; Female NPT
- Process Connection Type: Threaded
- Seal Design: Welded Diaphragm
- Process Connection Size: 1/4"; Female NPT
from NOSHOK, Inc.
Utilize an all welded, all metallic housing design. Pressure rated to 2,500 psi. Housing and diaphragm offered in a variety of materials to suit most applications. A flushing port is offered as an option. Specifications: UPPER HOUSING: 316 Stainless steel, Carpenter 20 â „ ¢ ... [See More]
- Instrument Connection: Bleed Connection; 1/4"; 1/2"; Female NPT
- Process Connection Type: Threaded; With Flush Port (optional feature)
- Seal Design: Welded Diaphragm
- Process Connection Size: 1/4" (optional feature); 3/8" (optional feature); 1/2" (optional feature); Female NPT
from Winters Instruments
Description & Features: • Two piece construction and designed to withstand even the most severe process applications • "Continuous use" seals - backing plate will prevent diaphragm from rupturing if pressure sensing instrument fails. Pressure will be held until instrument is replaced... [See More]
- Instrument Connection: 1/4"; Female NPT
- Process Temperature at the Seal: -22 to 212
- Seal Design: Welded Diaphragm
- Diaphragm Material: Steel - Stainless
from NOSHOK, Inc.
Utilize an all metallic diaphragm welded to the upper housing. Displacement capability is 0.05 cubic inches. Standard pressure rating is 2,500 psi. A wide variety of instrument and process connections are available. A flushing connection is offered as an option. Specifications: UPPER HOUSING: Carbon... [See More]
- Instrument Connection: Bleed Connection; 1/4"; 1/2"; Female NPT
- Process Connection Type: Flanged (optional feature); Threaded; Welded Pipe (optional feature); With Flush Port (optional feature)
- Seal Design: Welded Diaphragm
- Process Connection Size: 1/4" (optional feature); 3/8" (optional feature); 1/2" (optional feature); 3/4" (optional feature); 1" (optional feature); 1-1/4" (optional feature); 1-1/2" (optional feature); Female NPT
from Winters Instruments
Description & Features: • Can be used on applications requiring a NACE compliant MR0103-2003 diaphragm seal • CRN registered available upon request • 1 year warrantyApplications: • Sour gas applications requiring instrumentation that meet NACE International Standards [See More]
- Instrument Connection: 1/4"; Female NPT
- Process Temperature at the Seal: -22 to 212
- Seal Design: Welded Diaphragm
- Diaphragm Material: Hastelloy
from NOSHOK, Inc.
Features a flush mount diaphragm and all welded construction â € “ ideal for food & beverage, pharmaceutical and sanitary markets. Minimum working pressure -30 inHg to 0 psig through -30 inHg to 600 psig. Accommodates process connection pipes from 1-1/2 inch through 3 inch... [See More]
- Instrument Connection: Bleed Connection; 1/4"; 1/2"; Female NPT
- Process Connection Type: Sanitary
- Seal Design: Welded Diaphragm
- Process Connection Size: 1-1/2" (optional feature); 2" (optional feature); 3" (optional feature); Female NPT
from Winters Instruments
Description & Features: • Two piece construction • Clean-out design allows process media to flow through the seal • Reduces potential for process media blockages inside diaphragm housing • 1 year warrantyApplications: • Where the process fluid is corrosive or viscous... [See More]
- Instrument Connection: 1/4"; Female NPT
- Process Connection Type: Threaded
- Seal Design: Clamped Diaphragm
- Process Connection Size: 1/4"; Female NPT
from Winters Instruments
Description & Features: • Finished with a cleanout design • Various pipe sizes (1" to 4") and housing materials available • 1 year warrantyApplications: • Used in industrial applications such as oil refineries, pulp and paper mills and chemical plants [See More]
- Instrument Connection: 1/4"; Female NPT
- Process Connection Type: Threaded
- Seal Design: Welded Diaphragm
- Process Connection Size: 1"; Female NPT