Rubber Disc Flanged Check Valve

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 Acuated / 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


This valve is used mainly for water supply and drainage system and can be set on the pump outlet to prevent the pump from getting harmed the medium back flow. it can also be set on the mouth of a water outlet pipe to prevent the medium from backflow.


Simple structure, reliable performance, long durable, open-close times can be up to over million ones, suitable for sewage.

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 temperatur 100 °C max
Media Water, gas, oil.
Operation Manual / Electric / Pneumatic


Packing: wooden case


Rubber Disc Flanged Check Valve

We, BOHAI VALVE GROUP CO.,LTD., is a factory which specialised in producing verious kinds of valves,it is located at Tianjin Bohai Ecnomical development zone and occupied more than 10 thousand square meters. We found on 1980 and has more than 38 years production history,and currently we have ten technical engineers and more than 100 workmen in the workroom.
Our products are being exported to Europe,America,Australia,Egypt and South-east Asian countries.We will provide the high quality products to our clients with excellent service and competitive prices.

Bohai valve group co., LTD..
Tel:86-022-28596661 ext 8015     FAX: 86-022-8861 5222
Add: No.88gao ying road, beizhakou town, jinnan district, Tianjin, China


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