adjustable vacuum regulator valve

Group pressure relief valve
Min. Order 1 piece
Terms of Payment T/T
Update Time 2018-07-09
Description

Brief introduction:

The  water hydraulic high pressure relief valves are used mainly in fire or other water supply systems to prevent pressure from overpressure or to maintain the pressure of the fire water system

 

Specification

For BS EN1092-2 PN10/16 flange mounting.

Face-to-Face dimension conforms to ISO 5752 / BS EN558.

Epoxy fusion coating.

 

Pressure and temperature

working pressure

PN10/PN16/PN25

testing pressure

Shell: 1.5 times rated pressure,

Seat: 1.1 times rated pressure.

working temperature

-10°C to 80°C (NBR)

-10°C to 120°C (EPDM)

suitable media

Water, Oil and gas.

 

Main material list 

part

material

body

Ductile iron

disc

Ductile iron+NBR

Ball/Needle/Pilot

Brass / Stainless steel

shaft

(2 Cr13) /20 Cr13

seat

Brass

 

 

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