API Valve Wafer Single Disc Check Valve Spring Loaded Lift Check Valve

• Customization: Available
• Material: Cast Steel
• Connection Form: Wafer
• Model NO.: H71
• Structure: Tilting
• Pressure: Ordinary Pressure
• Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
• Sealing Form: Gland Packings Globe Valve
• Flow Direction: Unidirection
• Standard: ANSI
• Application: Industrial Usage, Water Industrial Usage
• Size: 1/2" to 8"
• Class: 150lb to 300lb
• Certificates: API 6D, CE, ISO9001
• Application Fields: Metallurgy,Light Industrial,Electric Power,Petroch
• Delivery Detail: 20~45 Days According to The Specific Quantities
• Transport Package: Standard Export Wooden Case
• Specification: API598, API6d, ANSI, Bs, DIN, JIS
• Trademark: NAIBANG
• Origin: China
• HS Code: 8481300000
• Production Capacity: 8000PCS/Year

Product Description

Product features



Wafer check valve is applicable for various pipelines with nominal pressure of PN1.0 Mpa~42.0Mpa,Class 150LB~2500LB and nominal diameter of DN15~1200mm,NPS 1/2-48 and working temperature of -196~540 degree Celsius to be used for protecting from medium backflowing.The different materials selection can apply to the medium involving water,steam,oils,nitric acid,acetid,strong oxidizing medium and urea etc.

To API594
Face to face per ANSI B 16.10
Flange ends dimension ANSI B 16.5/ANSI B 16.47
Final inspection tests to API598.

Materials
WCB CF8 CF3 GR4A Hastelloy C etc.

Corrosion protection
Inside and outside epoxy coating
Applicable temperature: -196-540 different raw material for different work temperature
Applicable medium: Water, oil, gas and other causticity medium (different raw material for different medium)

About this product:
H71H/H71W/H71X-10-40C/P/R.

Specifications
Applicable Standards
Design	ASME B16.34, API6D
Fire safe	API 607
Anti static	API 608, API6D
Face to face	ASME B16.10, API6D
Welding ends	ASME B16.25
Inspection and test	API 598, API 6D