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Wafer Type Single Disc Lift Check Valve (H71)

May 22, 2019
Basic Info
  • Model NO.: H71

  • Connection Form: Wafer

  • Pressure: Ordinary Pressure

  • Sealing Form: Gland Packings Globe Valve

  • Standard: ANSI

  • Size: 1/2" to 8"

  • Certificates: API 6D, Ce, ISO9001

  • Delivery Detail: 20~45 Days According to The Specific Quantities

  • Specification: API598, API6d, ANSI, Bs, DIN, JIS

  • HS Code: 8481300000

  • Material: Cast Steel

  • Structure: Tilting

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

  • Flow Direction: Unidirection

  • Application: Industrial Usage, Water Industrial Usage

  • Class: 150lb to 300lb

  • Application Fields: Metallurgy,Light Industrial,Electric Power,Petroch

  • Trademark: NAIBANG

  • Origin: China

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.

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:

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Applicable Standards 
DesignASME B16.34, API6D 
Fire safeAPI 607 
Anti staticAPI 608, API6D 
Face to faceASME B16.10, API6D
Welding endsASME B16.25
Inspection and testAPI 598, API 6D