1/2" NPT Diaphragm Seals

20 Results
D40 Series #40 Diaphragm Seal -- D40974
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: 1/2"; Female NPT
  • Process Connection Type: Threaded
  • Seal Design: Welded Diaphragm
  • Process Connection Size: 3/8"; Female NPT
Elevated Pressure Diaphragm Seal -- Type 10H
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
CPVC Gauge Guards -- 19294
from U.S. Plastic Corporation

1/4" x 1/2" GG Series CPVC Guard Only [See More]

  • Instrument Connection: 1/4"; 1/2"
  • Process Connection Size: 1/4"; 1/2"
  • Process Connection Type: Threaded
  • Diaphragm Material: Other (CPVC)
D44 Teflon® Series #80 Flanged Diaphragm Seal -- D44001
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: 1/2"; Female NPT
  • Process Connection Type: Welded Pipe
  • Seal Design: Clamped Diaphragm
  • Process Connection Size: 1"
Elevated Pressure Diaphragm Seal -- Type 25H
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
D44 Welded Series #80 Flanged Diaphragm Seal -- D441150SS5CS
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: 1/2"; Female NPT
  • Process Connection Type: Flanged
  • Seal Design: Welded Diaphragm
  • Process Connection Size: 1"
Elevated Pressure Welded Diaphragm Seal -- Type 30H
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
D46 Series Flanged Flush Mount Seal -- D462549
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: 1/2"; Female NPT
  • Process Connection Type: Flanged
  • Seal Design: Welded Diaphragm
  • Process Connection Size: 2"; Female NPT
Front Flush Button Diaphragm Seal -- Type 20
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
D70 Series #70 Diaphragm Seal -- D70952
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: 1/2"; Female NPT
  • Process Temperature at the Seal: -22 to 212
  • Seal Design: Welded Diaphragm
  • Diaphragm Material: Steel - Stainless
High Displacement Diaphragm Seal -- Type 29
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
D71 Hastelloy® C Series #70 NACE Diaphragm Seal -- D71967HASC75
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: 1/2"; Female NPT
  • Process Temperature at the Seal: -22 to 212
  • Seal Design: Welded Diaphragm
  • Diaphragm Material: Hastelloy
Non-Metallic Diaphragm Seal -- Type 10L
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
D85 Series In-Line Flow Thru Seal -- D852537
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: 1/2"; Female NPT
  • Process Connection Type: Threaded
  • Seal Design: Clamped Diaphragm
  • Process Connection Size: 1/4"; Female NPT
Reduced Pressure Welded Diaphragm Seal -- Type 30L
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
D90 Series Saddle Weld Seal -- D902560
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: 1/2"; Female NPT
  • Process Connection Type: Threaded
  • Seal Design: Welded Diaphragm
  • Process Connection Size: 1"; Female NPT
Standard Diaphragm Seal -- Type 10
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
Standard Diaphragm Seal -- Type 25
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
Standard Pressure Welded Diaphragm Seal -- Type 30
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
Tri-Clamp Pressure Diaphragm Seal -- Type 12
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