Flanged Seals

DF-EN Flush Flanged Diaphragm Seal
DF-EN Flush Flanged Diaphragm Seal

DF-EN Flush Flanged Diaphragm Seal

The Ashcroft® DF flush flanged diaphragm seal uses a flush diaphragm welded directly to the assembly flange, eliminating the need for a bulky lower housing.

Diaphragm MaterialBottom Housing MaterialPressure Ratings
Variety of metallic wetted materials with optional coatingFlush design eliminates need for a bottom housingPN10 to PN100 - class flanges
DF-ASME Flush Flanged Diaphragm Seal
DF-ASME Flush Flanged Diaphragm Seal

DF-ASME Flush Flanged Diaphragm Seal

The Ashcroft® DF flush flanged diaphragm seal uses a flush diaphragm welded directly to the assembly flange, eliminating the need for a bulky lower housing.

Diaphragm MaterialBottom Housing MaterialPressure Ratings
Variety of metallic wetted materials with optional coatingFlush design eliminates need for a bottom housing150 to 2500 - class flanges
DFE-EN All-Welded Flanged Diaphragm Seal
DFE-EN All-Welded Flanged Diaphragm Seal

DFE-EN All-Welded Flanged Diaphragm Seal

The Ashcroft® DFE all-welded flanged diaphragm seal uses a diaphragm welded directly to the assembly flange and a light weight flange inlay.

Diaphragm MaterialBottom Housing MaterialPressure Ratings
Variety of metallic wetted materials316L Stainless Steel, Monel 400, Hastelloy C 276PN10 to PN40 - class flanges
DFE-ASME All-Welded Flanged Diaphragm Seal
DFE-ASME All-Welded Flanged Diaphragm Seal

DFE-ASME All-Welded Flanged Diaphragm Seal

The Ashcroft® DFE all-welded flanged diaphragm seal uses a diaphragm welded directly to the assembly flange and a light weight flange inlay.

Diaphragm MaterialBottom Housing MaterialPressure Ratings
Variety of metallic wetted materials316L Stainless Steel, Monel 400, Hastelloy C 276150 to 300 - class flanges
702-703 Flanged High Displacement Diaphragm Seals
702-703 Flanged High Displacement Diaphragm Seals

702-703 Flanged High Displacement Diaphragm Seals

The Ashcroft® 702 and 703 high-displacement diaphragm seals or isolation devices are used with low pressure or differential pressure gauges with low differential pressure and elevated static pressure.

Diaphragm MaterialBottom Housing MaterialPressure Ratings
Variety of metallic and non-metallic wetted materialsVariety of metallic and non-metallic materials150 to 600 - class flanges
102-103 Flanged Diaphragm Seals
102-103 Flanged Diaphragm Seals

102-103 Flanged Diaphragm Seals

The Ashcroft® type 102 and 103 flanged diaphragm seals or isolation devices protect pressure measuring instruments.

Diaphragm MaterialBottom Housing MaterialPressure Ratings
Variety of metallic wetted materialsVariety of metallic and non-metallic materials150, 300, 600, 900 or 1500
106 In-Line Flanged Diaphragm Seals
106 In-Line Flanged Diaphragm Seals

106 In-Line Flanged Diaphragm Seals

The Ashcroft® 106 in-line flanged diaphragm seal or isolation device protects pressure measuring instruments.

Diaphragm MaterialBottom Housing MaterialPressure Ratings
Variety of metallic wetted materialsVariety of metallic wetted materials150Flange Class: 150
202-203 Flanged Diaphragm Seals
202-203 Flanged Diaphragm Seals

202-203 Flanged Diaphragm Seals

The Ashcroft® 202 and 203 diaphragm seals or isolation devices protect pressure measuring instruments.

Diaphragm MaterialBottom Housing MaterialPressure Ratings
Variety of metallic wetted materialsVariety of metallic and non-metallic materials150 to 1500 - class flanges
206 In-Line Flanged Diaphragm Seals
206 In-Line Flanged Diaphragm Seals

206 In-Line Flanged Diaphragm Seals

The Ashcroft® 206 in-line flanged diaphragm seal or isolation device protects pressure measuring instruments.

Diaphragm MaterialBottom Housing MaterialPressure Ratings
Variety of metallic and non-metallic wetted materialsVariety of metallic wetted materialsFlange Class: 150
302-303 Flanged Diaphragm Seals
302-303 Flanged Diaphragm Seals

302-303 Flanged Diaphragm Seals

The Ashcroft® 302 and 303 diaphragm seals or isolation devices protect pressure measuring instruments.

Diaphragm MaterialBottom Housing MaterialPressure Ratings
Viton, Teflon, KalrezVariety of metallic and non-metallic materials150 to 1500 - class flanges
402-403 Flanged All-Weld Diaphragm Seals
402-403 Flanged All-Weld Diaphragm Seals

402-403 Flanged All-Weld Diaphragm Seals

The Ashcroft® 402 and 403 flanged all-weld diaphragm seals or isolation devices protect pressure measuring instruments.

Diaphragm MaterialBottom Housing MaterialPressure Ratings
Variety of metallic wetted materialsVariety of metallic materials150 to 1500 - class flanges
DT-EN Truncated Flanged Diaphragm Seal
DT-EN Truncated Flanged Diaphragm Seal

DT-EN Truncated Flanged Diaphragm Seal

The Ashcroft® truncated flanged diaphragm seal model DT protects pressure measuring instruments on isolated pipes or tanks.

Extension and Diaphragm MaterialFlange MaterialPressure Ratings
Extension: 316L Stainless steel; Diaphragm: 316L Stainless Steel or Hastelloy C-276316L Stainless SteelPN10 to PN40
DT-ASME Truncated Flanged Diaphragm Seal
DT-ASME Truncated Flanged Diaphragm Seal

DT-ASME Truncated Flanged Diaphragm Seal

The Ashcroft® truncated flanged diaphragm seal model DT protects pressure measuring instruments on isolated pipes or tanks.

Extension and Diaphragm MaterialFlange MaterialPressure Ratings
Extension: 316L Stainless steel; Diaphragm: 316L Stainless Steel or Hastelloy C-276316L Stainless Steel150 to 1500 - class flanges