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Laizhou Dongsheng Valve Co., Ltd.

Dual Plate, Dual Disk, Double Disc manufacturer / supplier in China, offering Dual Plate Check Valve Suitable for Water, Sewage, Cast Iron Valve Manufacturer China, 6 Inch Double Disc Check Valve and so on.

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Supplier Homepage Product Check Valve Wafer dual plate check valve Dual Plate Check Valve Suitable for Water, Sewage

Dual Plate Check Valve Suitable for Water, Sewage

Purchase Qty.:
5-9 10+
FOB Unit Price: US $8.6 US $7.2
Purchase Qty. (Pieces) FOB Unit Price
5-9 US $8.6
10+ US $7.2
Get Latest Price
Production Capacity: 50, 000 PCS/Year
Transport Package: Wooden Pallet, Plywood Case, etc
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: H76X-16Z
  • Connection Form: Wafer Type
  • Pressure: From 0 to 40 Bar
  • Sealing Form: Gland Packings Globe Valve
  • Standard: DIN
  • Size Range: Dn40 to Dn600
  • Face to Face: DIN3202 K3 - ISO 5752
  • Suitable for: Water, Sewage and Neutral Liquid
  • Trademark: OEM
  • Origin: Laizhou Yantai City, Shandong Province, China
  • Material: Cast Iron
  • Structure: Swing
  • Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
  • Flow Direction: Unidirection
  • Application: Industrial Usage, Water Industrial Usage
  • Applications: for Industrial Chemical Plants and Steam Plants
  • Temperature: From -10 to +200 Degrees Celsius
  • Certificate: CE Approved
  • Specification: Quality Grade: CE, ISO9001 and SGS
  • HS Code: 84811000
Product Description
Product name: Wafer type check valve/double disc check valve
Product performance&structure
1, Working pressure: 1.6Mpa
2, Inspection standard: API598 DIN3230
3, Suitable flange standard: DIN2501 PN10/16, BS4504 PN10/16, BS10 TABLED/E, JIS2220 10K/16K, ANSI125/150
4, Face to face: ANSI125/150, DIN3203 K3-1999, ISO5752-1982
5, Working temperature: EPDM -10° C~+120° C, NBR -10° C~+80° C, VITON -23° C~+150° C
This valve is installed in pipeline system as a medium against-flow protecting equipment

PN Nominal Pressure: 1.6Mba
Sealing Test Pressure: 1.76Mba
Strength Test Pressure: 2.4Mba
Suitable temperature: -20~135
Medium: Fresh water, Sea water, Waste water, Food stuff, Steam, All kinds of oils, All kinds of acid and alkali liquid, etc.

They are used for pipe of transporting water with such medium as water sewage and seawater. It can avoid media flowing backwards and prevent damaging water hammer, guarantee the safety using of pipes.

Main Features:
DONGSHENG Dual Flap Wafer Check Valve is designed to operate with the minimum of flow restriction.

The twin spring loaded half disc operate with the pipeline flow and reseal back against the rubber disc seating providing a positive shut off against any back flow. The resilient seating prevent a slamming action.

Check Valves offer greater flexibility and low cost in most piping systems and moreover, of its light weight, it is so convenient to install and has smaller face to face dimension than conventional swing check valve.

These valves can be supplied to match the international standards of flange (DIN, ANSI, JIS & BS).

DongSheng check valves when compared with order traditional isolating valve such as swing check valve offer the following advantages:
Low purchase cost
Compact design
Non-slam principle of operation
Light weight
Easy installation
Good flow characteristic and less pressure drop
Suitable for horizontal and vertical up flow

Typical Applications:

Heating air-conditioning pipe lines
High frequency lines
Fire extinguishing system
Vessel pipelines
Iron and steel industry
Mineral, oil industry
Wood working, pulp and paper industry
Textile industry
Water and condensate lines
1BodyCast iron GG25 / Stainless Steel
2DiscAISI 316 / chrome coated GGG40
3Resilient seatEPDM
4Hinge pinAISI 316
5SpringAISI 304
6Retainer screwCarbon steel
7Disc bearingTeflon

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