double door check valve | Check Valve

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Mike Valve has professional production workshops and great production technology. valve manufacturer we produce, in line with the national quality inspection standards, has reasonable structure, stable performance, good safety, and high reliability. It is also available in a wide range of types and specifications. Customers' diverse needs can be fully fulfilled.Compared with other products in the same category, valve manufacturer has more advantages, specifically in the following aspects.

Enterprise Strength

In order to protect the rights and interests of consumers, Mike Valve gathers a number of professional customer service staff to solve various problems. It is our commitment to provide quality services.

Company Advantages
1. The design of Mech Valve double door check valve is the combination of functionality and aesthetics.
2. As our company operates with a strict QC system, this product has a stable performance.
3. Shenzhen Mech Valve Trading Co., Ltd. has established a perfect quality assurance system for years.

Statement

Check valves serve to prevent the backflow of medium in the piping system for protection of important equipments, widely used in the ﬁeld of potable water, water supply and drainage, sewage disposal, irrigation, air conditioning, ﬁre protection as well as chemical and energy industry.

Features

◔ Material:Ductile Iron EN-GJS-450-10

Valve body, bonnet, disc are all produced in ductile iron material which provides guarantee for high strength and good corrosion resistance.

◔ Fusion bonded epoxy coating

Fusion bonded epoxy coating in accordance with ANSI/AWWA C550 for both interior and exterior surface which provides reliable corrosion resistance.

◔ Small hydraulic friction loss with reasonable structure design

MATERIAL SPECIFICATION

H44X, H44T

• Connection Ends: Flange to BS EN 1092-2:1997

• Working Pressure: PN10/PN16

• Temperature Range: Rubber Seal: 0℃- 80℃
Metal Seal: -10℃- 350℃

• Coating: Fusion Bonded Epoxy Coating in accordance with ANSI/AWWA C550 or painting upon request

Part No.	Part	Standard Speciﬁcation	Options
1	Valve Body	EN-GJS-450-10
2	Seat Ring	Bronze ASTM B62 C83600/ZQSn5-5-5 (Pressed Fit)	AISI 304, AISI 316 Pressed Fit or Threaded
3	Disc	EN-GJS-450-10+EPDM
4	Clapper Arm	EN-GJS-450-10
5	Washer	SS420
6	Nut	Carbon Steel Zinc Plated	SS304, SS316
7	Hinge Pin	SS420
8	Bonnet Gasket	EPDM	Graphite+Steel
9	Bolt	Carbon Steel Zinc Plated	SS304, SS316
10	Washer	Carbon Steel Zinc Plated	SS304, SS316
11	Bonnet	EN-GJS-450-10
12	Plug	Malleable Iron Galvanized

Note: For special material request other than standard speciﬁcation, please indicate clearly on the inquiry or order list.

DN		Dimensions(mm)
Inch	mm	L	D	D1	D2	C	T	n-φL
2"	50	120	165	125	99	19	3	4-Ø19
2.5"	65	135	185	145	118	19	3	4-Ø19
3"	80	155	200	160	132	19	3	8-Ø19
4"	100	165	220	180	156	19	3	8-Ø19
5"	125	190	250	210	184	19	3	8-Ø19
6"	150	210	285	240	211	19	3	8-Ø23
8"	200	260	340	295	266	20	3	12-Ø23
10"	250	285	405	355	319	22	3	12-Ø28
12"	300	315	460	410	370	24.5	4	12-Ø28

Company Features
1. Shenzhen Mech Valve Trading Co., Ltd. covers a very large factory to satisfy high capacity.
2. With the introduction of highly advanced technology, Mech Valve not only satisfy the needs of customers, but also improve the technical force.
3. Shenzhen Mech Valve Trading Co., Ltd. also do repairs and maintenance of spring check valve . Check now! Our hope is to open the double check valve market with our reliable double door check valve and excellent spring loaded check valve . Check now! To be the benchmark in water pump check valve field. Check now!

Favorable rate

100%

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