Single disc wafer check valve

Size2″~20″ (DN50~DN500 mm)

OperatedN/A

Conection endWafer type

Conection standardPN10 / PN16 / 150LB

Working pressurePN16

Body materialWCB, Stainless steel, Duplex steel

Disc materialWCB, Stainless steel, Duplex steel

Seat materialCr13, Stainless steel, Duplex steel

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Product Details

‌H74 Single Disc Check Valve‌ is a specialized ‌wafer-style swing 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.Sandwiched between pipeline flanges without separate bolting, reducing weight and space requirements by up to ‌75%‌ compared to flanged valves.
2.Uses ‌pair clamps‌ (dual-flange connection) for secure sealing in PN10–PN25 pressure systems‌.
‌3.Features a ‌single hinged disc‌ that swings open with forward flow and gravity-seals against backflow.
4.Disc materials range from carbon steel (WCB) to stainless steel (SUS304/CF8) for corrosion resistance‌.
‌5.Precision-machined seat ensures bubble-tight closure, suitable for liquids, gases, and vapors‌.
6.Resilient seals (e.g., NBR/FKM) handle temperatures ≤150°C depending on material‌.
7.Space Efficiency‌: Ultra-compact wafer design fits tight layouts‌.
8.‌Low Maintenance‌: Self-cleaning flow minimizes debris accumulation‌.
9.‌Versatility‌: Compatible with diverse media and orientations‌
10.Pressure Testing Report,3.1 Certificate of Material can be provided.

Face to face dimension:

DN	mm	50	65	80	100	125	150	200	250	300	350	400	450	500	600
DN	inch	2	2-1/2	3	4	5	6	8	10	12	14	16	18	20	24
L		19	19	19	19	19	19	29	29	38	41	51	51	65	70

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

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Single disc wafer check valve

Product Details

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