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 Industrial Usage, Household Usage

Color: Blue or Customized

Pn: 10 16 150lb 300lb

Dn: 50-3200mm

Design: Cast / Forged

Operator: Manual / Electric Actuated / Pneumatic

Sealing: EPDM / NBR / PTFE / Viton / Stainless / Stelliete

Certification: Wars / Ce / ISO9001 / ISO14001 / GOST / SGS

Spray: 250 Micron

Used for: Tap-Water / Drink Water / Sea Water / Oil / Gas

Trademark: BH

Transport Package: Wooden Case

Specification: Ductile iron material

Origin: China

HS Code: 8481804090

Rubber Disc Check Valve

Purpose

This rubber disc check valve is designed primarily for water supply and drainage systems. It can be installed on pump outlets to prevent backflow of the medium and protect the pump from damage. It is also suitable for installation at the outlet of a pipe to stop reverse flow of the fluid.

Features

The valve features a simple structure, reliable performance, and long service life. It can operate over a million times, making it ideal for sewage and other challenging environments.

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 Accommodation: ANSI B16.1 Class125/150

EN1092-2 PN6/10/16/25

Top Flange: ISO5211

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

Main Part Material

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

Suitable Temperature 100 Â°C max

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 skilled workers. Our products are exported to Europe, America, Australia, Egypt, and Southeast Asian countries. We provide 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
Add: No.88 Gao Ying Road, Bei Zhakou Town, Jin Nan District, Tianjin, China

Polyquaternium-7 PQ-7 CAS 108464-53-3/26590-05-6
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ZHEJIANG XINHAITIAN BIO-TECHNOLOGY CO.,LTD. , https://www.dadmacxht.com

DN	40-----1200 mm
PN	1.0----1.6 MPa
Suitable Temperature	100 Â°C max
Media	Water, gas, oil.
Operation	Manual / Electric / Pneumatic