There are two standard material configurations for the wetted
parts of our Knife Gate Valves.
Ductile Iron Body
GGG50 (EN-GJS-500-7) Ductile Iron Body, epoxy coated
316 Stainless Retainer
Tefloned Acrylic Packing
316 Stainless Body
316 Stainless Gate
316 Stainless Retainer Ring
Optional Seat Materials
In addition to EPDM and Nitrile our standard range includes White
Nitrile, White EPDM, FPM (Generic Viton®), White FPM (Generic White Viton®), Silicone, White Silicone,
Hypalon® and PTFE. Changing the seat is only a few
minutes work. For applications where a water tight shut off is
not necessary we also manufacture the same range with
metal-to-metal cast seat. Viton and Hypalon are
Registered Trade Marks of DuPont.
Optional Packing Materials
For applications which do not suit the standard Packings we stock PTFE, Graphite and a specialised High
Temperature packing. We can easily obtain other packings to suit your application.
Optional Gate Materials
Alongside 304 and 316 stainless we also produce gates in 310
stainless and Uranus B6 (AISI 904L).
Optional Body Materials
We can produce Knife Valves with a range of different body
materials. Our semi-standard range includes Cast
Steel, 304 and 310 stainless, Uranus B6 (AISI 904L) and
Download temperature ratings here
Gate Valve Temperature Ratings
Need more information?
Knife valves from a UK slide valve