wafer check valve

Descripción del producto

Standard:
Design standard conform to: MSS SP**7, API**9, EN**3
 Connection flange conform to: DIN PN*0/*6/*5, ANSI B*6.1, BS***4, ISO PN*0/*6,
 JIS B***2/***3, BS *0 Table D, BS *0 Table E
Top flange conform to: ISO ***1
Face to face conform to: API**9, ISO***2 series *0, BS***5
Test standard conform to: API**8

Design characters:
Check valve is used for preventing the back flow of medium in pipelines and equipments. It will open and close automatically by the pressure of medium. When the medium is back-going, valve disc will close automatically to avoid accidents.
1. Tightly sealed, without leakage under the water pressure testing.
 2. Economical, light weight, compact design-significantly lighter and less expensive than comparable swing check valves.
3. Easy to install and maintain.

Performance:
 Nominal Diameter: DN**-DN***0
 Nominal Pressure PN (MPa):
  1.0, 1.6, 2.0, 2.5
Testing pressure (water) Ps (MPa)
      Body seat: 1.5 times rated pressure
      Seat test:  1.1 times rated pressure