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Wafer Butterfly Check Valve
Wafer Butterfly Check Valve
Supplier Info
[China Supplier]
Contact Person : Ms. Kong Xianmei
Tel : 86-22-28661566
Fax : 86-22-28661566
Product Detail
Design standard conform to: MSS SP-67, API609, EN593 Connection flange conform to: DIN PN10/16/25, ANSI B16.1, BS4504, ISO PN16

Wafer Type Double Disc Check Valve

Standard:

Design standard conform to: MSS SP-67, API609, EN593

Connection flange conform to: DIN PN10/16/25, ANSI B16.1, BS4504, ISO PN10/16, 

JIS B2212/2213, BS 10 Table D, BS 10 Table E

Top flange conform to: ISO 5211

Face to face conform to: API609, ISO5752 series 20, BS5155

Test standard conform to: API598

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: DN40-DN1200

 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

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