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Tilting Disc Check Valve (H77H/Y-C, H77X, H77W)

Dec 16, 2017

Product  Specification

1. Nominal Diameter: DN40 - DN1000

2. Nominal Pressure: 150LB - 900LB

3. Suitable Temperature: ≤80℃

4. Material: Cast Iron, ASTM, A216, WCB, WCC, WC6, SS304, SS316, CF8, etc

5.Connection Form: Thread

6. Flow Direction: Unidirection

7.Structure: Tubular

8.Sealing Form: Gland Packings Globe Valve

9. Suitable Medium: Water, Oil, Gas and etc

10. Application: Industrial Usage, Water Industrial Usage, Household Usage

Main materials
1. Body: CS/SS - WCB, WCA, WCC, A351, A744, 304, 304L, 316, 316L
2. Disc: Stainless Steel - A351, 420S, S42000, 304, 304L, 316, 316L
3. Stem and Sealing Surface: A351, A744, 304, 304L, 316, 316L 

Technical standards
1. Design and manufacture: API 6D
2. Face-to-face: ANSI B16.10
3. Flange end: ANSI B16.5
4. Inspection and test: API 598


1. Simple and compact structure.  

2. Eccentric structure, small torque of disc.

3. Dependable seal,  leak-tightnes and service life  of  over 20,000 times of open and close.

4. Short stroke of center of gravity up on disc being closed, quick close and water hammer elimination.

5. Easy open and close for convenience of disassembly and servicing. Basically linear flow characterstic.

6. Valve body is made of stainless steel or carbon steel, and sealing faces of valve stem and disc are both made of stainless steel.