W6 becomes the obvious and only choice for higher sizes above 50mm. For ease of installation for this bulky sizes flange connections are provided. These are amongst the only 2 brands with uncompromised flow capacities. These are without built in filter hence a separate easyclean strainer/ filter is recommended before the W6


W6 PRVs protect installations against excessive pressure in household, industrial applications.
A PRV prevents pressurisation damage and helps save water. The set pressure is also maintained constant even when there is a wide inlet pressure fluctuation. This also helps reduce flow noise in the installation.




  • Adjustment for setting outlet pressure
  • CED coating with internal and external on body.
  • Connection for outlet pressure gauge
  • Adjustment spring not in contact with water.
  • Servicing and maintenance without removal from pipeline.

General specifications of W6

Medium : Water, Compressed Air, Nitrogen.
Max Inlet pressure : 15 bar #
Outlet pressure range : 1.5 to 5 bar *
Max Temperature : 70 deg Celcius #
Sizes : 65,80 & 100 mm
End connections : Flanged ASA 150
Installation : In Horizontal Line Only With Bonnet Facing Up.
Material of construction :
Body : W6 G-Gun Metal W6 C - C.I. Body*
Internals : Brass
Bonnet : Cast Iron (Powder Coated)
Valve Seat : Brass
Piston : SS 316
Diaphragm : NBR
Seals : NBR
Spring : Spring Steel
Nuts / Bolts : Stainless Steel
Warranty : 5 yr for C.I & 10 years for G


W6 - G

Variant Name: W6 - G

Description: Though costlier the gunmetal / bronze body With the 85% copper used in it is meant for virtually life long performance. Warranty is 10 years. For areas close to sea this is a better choice

Body: GunMetal/ Bronze

Internals: Brass

Bonnet: Cast Iron (Powder Coated)

Valve Seat : Brass

Piston SS 316

Diaphragm: NBR

Seals: NBR

Spring: Spring Steel

Nuts / Bolts: Stainless Steel

Warranty: 5 years

W6 - C

Variant Name: W6 C

Description: The C.I body with CED coating. Warranty is 5 years

Body: CI With CED Coating

Internals: Brass

Bonnet: Cast Iron With CED Coating

Valve Seat : Brass

Piston SS 316

Diaphragm: NBR

Seals: NBR

Spring: Spring Steel

Nuts / Bolts: Stainless Steel

Warranty: 5 years