Dimensions & Weights

Lugged Pattern EPDM Seat Dimension Diagram
Valve Size (inch)22 1/23456810121416182024
D (mm)50658010012515019724629533338543448257990104124146176206257312364407466522575680
H1 (mm)147155173183211233248304329360415439488536
H2 (mm)677591101127139169219244309348372423536
H3 (mm)677591101127139169219244309348372423472
H4 (mm)194202236246274286325381406431516540623671
C (mm)125145160180210240295355410470525585650770
D1 (mm)180180180180230230250-------
D2 (mm)8080110110110110170250250350350350500500
L1 (mm)122122135135150150180250250350350350400400

Pressure / Temperature

Lugged Pattern EPDM Seat Pressure/Temperature Graph

Pressure / Temperature Rating


Test Pressures (Hydraulic)

Shell test - Hydrostatic - 24 bar
Seat test - Hydrostatic - 17.6 bar
Seat test - pneumatic - 6 bar 


BearingPolyacetal and glass filled PTFE
BodyDuctile Iron
DiscStainless Steel
OperatorAluminium die-cast
Seat and O-RingEPDM
Stem / Bottom Stem410 Stainless Steel


Lugged Pattern EPDM Seat

Lugged Pattern EPDM Seat

  • EPDM seat
  • WRAS Approval
  • Lugged and tapped to suit PN16 flanges
  • Suitable for various flanges
  • Spherical design for discs and seats
  • Integral ISO 5211 actuator mounting flange
  • Low valve operating torque
  • Light-designed for operation efficiency
  • Emission-free stem sealing mechanism

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