Rubber Disc Flanged Check Valve

July 26, 2025

Model NO.: H44X

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

Sealing Form: Gland Packings Globe Valve

Flow Direction: Reversing

Standard: GB

Application: Industrial Usage, Water Supply, Domestic Use

Color: Blue or Customized

PN: 10, 16, 150lb, 300lb

DN: 50-3200mm

Design: Cast / Forged

Operator: Manual / Electric / Pneumatic

Sealing: EPDM / NBR / PTFE / Viton / Stainless Steel / Stellite

Certification: WARS / CE / ISO9001 / ISO14001 / GOST / SGS

Coating: 250 Micron

Used for: Tap Water, Drinking Water, Sea Water, Oil, Gas

Trademark: BH

Shipping Package: Wooden Case

Specification: Ductile Iron Material

Origin: China

HS Code: 8481804090

Rubber Disc Check Valve

Purpose

This rubber disc check valve is primarily used in water supply and drainage systems. It can be installed on the outlet of pumps to prevent backflow of the medium, which could otherwise damage the pump. It can also be placed at the end of a water pipe to stop the reverse flow of liquid.

Features

The design is simple, with reliable performance and long service life. The valve can operate over a million times, making it ideal for sewage applications. Its robust construction ensures durability under various conditions.

Executive Standard

GB/T 9113.1

API 609 Category A

BS EN593/BS5155

Performance Parameters

Nominal Diameter: 2" - 80" / DN50 - DN2000

Working Pressure: 10Bar / 16Bar / 25Bar

Face-to-Face: API 609 Table 1 / ISO 5752 Series 20 / BS 5155

Flange Compatibility: ANSI B16.1 Class 125/150

EN1092-2 PN6/10/16/25

Top Flange: ISO5211

Tightness Inspection: API 598 / ISO 5208 / EN12226-2

Main Component Materials

Body: Cast Steel, Stainless Steel

Disc: Cast Steel, Stainless Steel

Stem: Stainless Steel

Sealing Ring: Stainless Steel / PTFE

Packing: Flexible Graphite / PTFE

Performance Parameters:

DN 40-----1200 mm

PN 1.0----1.6 MPa

Maximum Temperature 100 Â°C

Media Water, Gas, Oil

Operation Manual / Electric / Pneumatic

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Packing: Wooden Case

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BOHAI VALVE GROUP CO., LTD. is a professional manufacturer specializing in a wide range of valves. Located in the Tianjin Bohai Economic Development Zone, our factory covers more than 10,000 square meters. Established in 1980, we have over 38 years of production experience and currently employ ten technical engineers and more than 100 workers. Our products are exported to Europe, America, Australia, Egypt, and Southeast Asian countries. We are committed to providing high-quality products with excellent service and competitive pricing to our global clients.

Bohai Valve Group Co., Ltd.
Tel: 86-022-28596661 ext 8015Â Â Â Â Â Fax: 86-022-8861 5222
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Web: www.bhvalve.cn
Address: No.88 Gao Ying Road, Beizhakou Town, Jinnan District, Tianjin, China
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ZHEJIANG XINHAITIAN BIO-TECHNOLOGY CO.,LTD. , https://www.dadmacxht.com

DN	40-----1200 mm
PN	1.0----1.6 MPa
Maximum Temperature	100 Â°C
Media	Water, Gas, Oil
Operation	Manual / Electric / Pneumatic