Basic Info

• Model NO.: H4Y

• Connection Form: Flange

• Pressure: Ordinary Temperature

• Sealing Form: Metal or Soft

• Standard: ANSI

• Characteristic: Non Slam Check Valve

• Pre-Temp. Rating: Asme B16.34

• Ends Connection: Asme B16.25, Asme B16.5/16.47

• Certificate 1: Dnv CE 0575

• Certificate 3: API 600

• Material: Stainless Steel

• Structure: Swing

• Function: Ddcv Double Lobe, Nrvr Silence, Nrvz Silence, Nrvg Silence

• Flow Direction: Unidirection

• Application: Industrial Usage, Water Industrial Usage, Household Usage

• Design & Manufacture: API 6D, Asme B16.34, DIN 3202

• Face to Face: Asme B16.10

• Inspect & Test: API 598

• Certificate 2: ISO 9001: 2008

• Certificate 4: API 6D

• Specification: API 6D, BS1868, DIN3202, ISO

• HS Code: 8481804090

Product Description:

Pressure sealing cover, swing type disc
Threaded or welded seat ring
ASTM A216 WCB, A217 Wc6, A351 CF8, A351 CF8M,
A351 CF3, A351 CF3M, A351 CN7M
Standards compliance
Design and Manufacture: ANSIB16.34, API 6D, BS1868
Face to face(end to end): ANSIB16.10, API 6D
Flanged connection: 2~~24~to ANSIB16.5
Butt welded end: ANSIB16.25
Test and inspection: API 598, API 6D

A. Back up ring: Absorbs thrust applied by internal pressure.
B. Thrust ring: Pretects the soft metallic gasket from detemation.
C. Gasket Unique angutar design provides superior sealing.