Dimensions & Weights

Wafer Pattern Double Offset Class 150 Dimension Diagram
Valve Size (inch)22 1/23456810121416182024
Valve Size (mm)506580100125150200250300350400450500600
A (mm)92103111122143165182214260300338376400473
B (mm)135147157179193214241276312338390425451528
C (mm)282828333332335555658180111111
D (mm)44474955575765718292103114127155
E (mm)1315151923232628364351516065
F (mm)9111114171719-------
KEY ()-------8101213131620
G (mm)1111111111111414141922222219
H (mm)717171717171125125125141165165165254
J (mm)121140153.191216242299362432477540578635750
K (mm)104120125155184241268322379410468532584692

Pressure / Temperature

Wafer Pattern Double Offset Class 150 Pressure/Temperature Graph

Pressure / Temperature Rating

Class 150
Carbon Steel -20oF to 400oF
285PSIG at 100oF
Stainless Steel -20oF to 400oF
275 PSIG at 100oF 

Test Pressures (Hydraulic)



Anti-Extrusion RingStainless Steel 316
Lower BearingStainless Steel 316/PTFE
Packing GlandStainless Steel 316
SeatGlass Filled TFM 1700
Seat retainerA351-CF8M/A216-WCB
Stem SealPTFE
Thrust RingStainless Steel 316
Upper BearingStainless Steel 316/PTFE


Wafer Pattern Double Offset Class 150

  • Class 150
  • Available in Stainless or Carbon Steel bodies
  • Stainless Steel disc
  • PTFE or Graphite Stem Seals
  • Glass filled TFM 1700 Seat
  • Fire safe design
  • ISO mount flange with recessed packing gland
  • Extended neck to allow for Pipe insulation
  • Postive cast position stop

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