Wafer Type Double Disc Check Valve

Product Description:

Face to face dimension: GB12221 (16Series)
Connection dimension of flange: JB/T8937, GB4216

Purpose:

Be suitable for the water supply and drainage pipe network of cities, industries and high buildings. The length of structure is shorter than the general clack valve, so it is most suitable for the locations, in which the installation space is limited.

Suitable temperature: ≤ 80º C
Suitable medium: Water, oil, sewage etc.

Pressure rating: PN (MPa)
1.0 1.6 2.5

Tests:

Test JB/T9092, GB/T13927
Nominal pressure: PN(MPa)
Body: PN x1.5
Seal: PN x 1.1

Materials:

Body: Cast iron, carbon steel

Disc: Cast iron, carbon steel

Stem: Stainless steel, carbon steel

Spring: Stainless steel

Seat: NBR rubber, alloy steel