double check valve | Check Valve

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Mike Valve insists on the use of high-quality materials and advanced technology to manufacture valve manufacturer. Besides, we strictly monitor and control the quality and cost in each production process. All this guarantees the product to have high quality and favorable price.Mike Valve guarantees Industrial Valves to be high-quality by carrying out highly standardized production. Compared with other products in the same category, it has the following advantages.

Enterprise Strength

Mike Valve is praised and favored by customers for high-quality products and professional after-sales services.

Company Advantages
1. The raw materials of Mech Valve double door wafer check valve are superior and environmentally-friendly.
2. Our rigorous testing ensures high quality production of our products.
3. The product is thoroughly inspected by our QC team to rule out every possibility of defects.
4. 刘秋红
5. It can be used for a long time and people do not have to fear that spraying sulfur or acid-base bath essence will damage it.

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. is a leading company which manufactures double check valve .
2. Many advanced technologies have been introduced by Shenzhen Mech Valve Trading Co., Ltd..
3. To be a dominant water pump check valve supplier, Mech Valve has been serving the customers with its professional service and finest products. Call now! Shenzhen Mech Valve Trading Co., Ltd.'s focus on customized and innovative check valve to meet our customers’ needs will continue to be our driving force. Call now! To better serve customers, Mech Valve especially has its own professional service team. Call now! Shenzhen Mech Valve Trading Co., Ltd. always adheres to the principle of 'high standards, high requirements, and high quality'. Call now!

Advantages