Welded Diaphragm Diaphragm Seals

20 Results
D15 Series #15 In Line Diaphragm Seal -- D15992
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]

  • Seal Design: Welded Diaphragm
  • Process Connection Type: Threaded
  • Instrument Connection: Bleed Connection; 1/4"; Female NPT
  • Process Connection Size: 3/4"; Male NPT
Welded Diaphragm Seals
from Ashcroft Inc.

Ashcroft ® all-welded diaphragm seals or isolation devices protect pressure measuring instruments. Used to ensure process compatibility, they are also applied when process media exhibits high temperature, pulsation or the potential to clog an instrument connection. An ideal selection for... [See More]

  • Seal Design: Welded Diaphragm
  • Process Connection Type: Threaded
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]

  • Seal Design: Welded Diaphragm
  • Process Connection Type: Threaded; With Flush Port (optional feature)
  • Instrument Connection: Bleed Connection; 1/4"; 1/2"; Female NPT
  • Process Connection Size: 1/4" (optional feature); 3/8" (optional feature); 1/2" (optional feature); Female NPT
D20 Series #20 In Line Diaphragm Seal -- D20976
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]

  • Seal Design: Welded Diaphragm
  • Process Connection Type: Sanitary; Other (2" Tri-Clamp)
  • Instrument Connection: 1/4"; Female NPT
  • Process Temperature at the Seal: -4 to 248
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]

  • Seal Design: Welded Diaphragm
  • Process Connection Type: Threaded; With Flush Port (optional feature)
  • Instrument Connection: Bleed Connection; 1/4"; 1/2"; Female NPT
  • 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
D30 Series #30 Diaphragm Seal -- D30975
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]

  • Seal Design: Welded Diaphragm
  • Process Connection Type: Threaded
  • Instrument Connection: 1/4"; Female NPT
  • Process Connection Size: 1/4"; 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]

  • Seal Design: Welded Diaphragm
  • Process Connection Type: Threaded
  • Instrument Connection: Bleed Connection; 1/4"; 1/2"; Female NPT
  • 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
D40 Series #40 Diaphragm Seal -- D40973
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]

  • Seal Design: Welded Diaphragm
  • Process Connection Type: Threaded
  • Instrument Connection: 1/4"; Female NPT
  • Process Connection Size: 1/4"; Female NPT
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]

  • Seal Design: Welded Diaphragm
  • Process Connection Type: Threaded; With Flush Port (optional feature)
  • Instrument Connection: Bleed Connection; 1/4"; 1/2"; Female NPT
  • Process Connection Size: 1/4" (optional feature); 3/8" (optional feature); 1/2" (optional feature); 3/4" (optional feature); 1" (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]

  • Seal Design: Welded Diaphragm
  • Process Connection Type: Flanged
  • Instrument Connection: 1/2"; Female NPT
  • Process Connection Size: 1"
Reduced Pressure Polymer Diaphragm Seal -- Type 5
from NOSHOK, Inc.

For wastewater and chemical feed applications, as well as most applications with a corrosive media. Constructed of corrosion-resistant PP glass fiber reinforced upper housing and PP, PVC or PVDF lower housing. Protects pressure or vacuum instruments used on ultra-pure or highly corrosive fluid lines... [See More]

  • Seal Design: Welded Diaphragm
  • Process Connection Type: Threaded
  • Instrument Connection: 1/4" (optional feature); 1/2" (optional feature); Female NPT
  • Process Connection Size: 1/4" (optional feature); 1/2" (optional feature); Female NPT
D46 Series Flanged Flush Mount Seal -- D462548
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]

  • Seal Design: Welded Diaphragm
  • Process Connection Type: Flanged
  • Instrument Connection: 1/4"; Female NPT
  • Process Connection Size: 2"; 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]

  • Seal Design: Welded Diaphragm
  • Process Connection Type: Threaded
  • Instrument Connection: Bleed Connection; 1/4"; 1/2"; Female NPT
  • 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
D50 Series #50 Diaphragm Seal -- D50970
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]

  • Seal Design: Welded Diaphragm
  • Process Connection Type: Threaded
  • Instrument Connection: Bleed Connection; 1/4"; Female NPT
  • Process Connection Size: 1/4"; 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]

  • Seal Design: Welded Diaphragm
  • Process Connection Type: Threaded; With Flush Port (optional feature)
  • Instrument Connection: Bleed Connection; 1/4"; 1/2"; Female NPT
  • Process Connection Size: 1/4" (optional feature); 3/8" (optional feature); 1/2" (optional feature); Female NPT
D70 Series #70 Diaphragm Seal -- D70954
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]

  • Seal Design: Welded Diaphragm
  • Process Connection Size: 1/4"; Female NPT
  • Process Connection Type: Threaded
  • Process Temperature at the Seal: -22 to 212
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]

  • Seal Design: Welded Diaphragm
  • Process Connection Type: Flanged (optional feature); Threaded; Welded Pipe (optional feature); With Flush Port (optional feature)
  • Instrument Connection: Bleed Connection; 1/4"; 1/2"; Female NPT
  • 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
D71 Hastelloy® C Series #70 NACE Diaphragm Seal -- D71966HASC75
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]

  • Seal Design: Welded Diaphragm
  • Process Temperature at the Seal: -22 to 212
  • Instrument Connection: 1/4"; Female NPT
  • Diaphragm Material: Hastelloy
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]

  • Seal Design: Welded Diaphragm
  • Process Connection Type: Sanitary
  • Instrument Connection: Bleed Connection; 1/4"; 1/2"; Female NPT
  • Process Connection Size: 1-1/2" (optional feature); 2" (optional feature); 3" (optional feature); Female NPT
D90 Series Saddle Weld Seal -- D902564
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]

  • Seal Design: Welded Diaphragm
  • Process Connection Type: Threaded
  • Instrument Connection: 1/4"; Female NPT
  • Process Connection Size: 1"; Female NPT