H71 Disco check valve

Size1/2″~8″ (DN15~DN200 mm)

OperatedN/A

Conection endWafer type

Conection standardPN10 / PN16 / PN25 / PN40, 150LB

Working pressurePN16 / PN25 / PN40

Body materialWCB, Stainless steel, Duplex steel

Disc materialWCB, Stainless steel, Duplex steel

Seat materialCr13, Stainless steel, Duplex steel

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Product Details

‌H71 Disco Check Valve‌ is a specialized ‌wafer-type lift disc check valve‌ designed for compact installation and unidirectional flow control.

Technical Standard:
1.Design Standard: GB/T 12238.
2.Face to face: GB/T 12221.
3.Flange Standard: GB/T 9113/ASME B16.5.
4.Test Standard: GB/T 13927/API 598.

Product Advantages&Our Service:
1.Wafer-Style Installation‌: Sandwiched between pipeline flanges without separate bolting, minimizing space requirements and weight compared to traditional flanged valves.
2.‌Lift Disc Mechanism‌: Uses a guided disc that lifts vertically (driven by fluid pressure) to allow forward flow and seals via gravity/backpressure when flow stops.
3.‌Body Material‌: Typically cast steel (e.g., WCB) or stainless steel (e.g., SUS304/CF8).
4.‌Sealing‌: Gland packings or resilient seats ensure bubble-tight closure against backflow.
5.‌Pressure Rating‌: Suited for ordinary to medium pressures (e.g., PN10–PN40/Class 150–300).‌3
6.‌Space & Weight Savings‌: Up to ‌75% shorter and 80% lighter‌ than equivalent flanged (H41-type) check valves, simplifying installation in tight spaces.
7.‌Quick Closure‌: Disc design reduces water hammer risk compared to swing check valves.
8.‌Low Maintenance‌: Self-cleaning flow path minimizes debris accumulation on the seat.‌
9.Pressure Testing Report,3.1 Certificate of Material can be provided.

Face to face dimension:

DN	mm	15	20	25	32	40	50	65	80	100	125	150	200
DN	inch	1/2	3/4	1	1-1/4	1-1/2	2	2-1/2	3	4	5	6	8
L		22	24	28	28	31.5	40	46	50	60	90	106	140

The data is for reference only, please consult sale@valflovalve.com for details.

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H71 Disco check valve

Product Details

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