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Brass Wafer Dual Plate Swing Check Valve with API Certificate

Sep 09, 2019
Basic Info
  • Material: Brass

  • Structure: Swing 

  • Function:Prevent media from refluxing 

  • Flow Direction: Unidirection

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

  • Origin: China Mainland

  • Connection Form: Wafer

  • Pressure: Ordinary Temperature

  • Sealing Form: metal to metal ,soft seal

  • Standard: ANSI,ASTM,API 

  • Trademark: NIPO or OEM

Product Description

API Brass Wafer Type Dual Plate Swing Check Valve (H76)

Brass Wafer Type Dual Plate  Swing Check Valves
Standard compliance
1) Design and manufacture: API6D, ANSI B16.34, BS1868
2) Test and inspection: API598
3) Face to face dimensions: ANSI B16.10
4) Flanged end: ANSI B16.5, B16.47 SERIES A & SERIES B
5) Butt-welding end: ANSI B16.25

6) Other standards (DIN, BS, JIS) is also available upon request.

7) Working Pressuer:Class150-Class2500

8) Size:DN40-DN2100

Main features and applications:

1. Products using pin axis structure of built-in type, reduce leakage, the use of more reliable.

2. Valve disc rotate around the valve seat outside the axis, reduce the impact of the closure, suitable for horizontal or vertical installation.

3. Product design and manufacture according to API standard, reliable sealing, good performance, and can be used with imported equipment.

Other Material Requst:

1. Body/Bonnet: A216- WCB, A217-WC6, A352-LCB, A351-CF8.
2. Disc: A105, A182-F11, A182-F304, A182-F316.
3. Swing Arm: A216-WCB, A182-WC6, A182-LCB, A182-F316.
4. Gasket: 18-8Flexible Graphete.
5. Bolt: A193-B7, A193-B7M, A193-B8.
6. Suitable temp.: -29--425oC, -29--550oC, -46--350oC, -40--200oC.
7. Suitable temp.: water, oil, steam, nitric acid.

Materials of body/bonnet and trim
Body/bonnetWCB, LCB, LCC, WC1, WC6, WC9, C5, C12, CF8, CF8M, CF3 and CF3M etc.
Trim (Disc/body seat)F6/F6, 304/304,304L/304L, HF/HF, F6/HF, Monel/Monel, 316/316,316L/316L, Monel/HF and 316/HF etc.

Standard materials of parts 
1BodyATM A216 WCB
2Seat ringASTM A105 + 13Cr
3DiscASTM A216 WCB + 13Cr
4Disc nutASTM A182 F6
5HingeASTM A216 WCB
6Hinge pinASTM A182 F6
7GasketStainless steel and graphite spiral wound
8CoverASTM A216 WCB
9Cover boltASTM A193 B7
10Cover nutASTM A194 2H