double door check valve | Check Valve

Product Information
Customer Reviews

Company Advantages
1. Mech Valve swing check valve is fabricated from optimum raw material supplied from top-grade vendors. It complies with international speciﬁcations such as NSF61
2. The product can survive in highly-challenging industrial environments, often in places where battery access is difficult or impossible. It has great resistance to stress corrosion cracking
3. The product is able to maintain its luster. The perspiration from the body will not cause corrosion and tarnish to the surface of this product. It is made to be durable even in the toughest pipeline environments
4. The shape and form of this garment can emphasize specific areas of the body while downplaying other less desirable areas. The particles in the fluid are not prone to stick to it due to its internal sheathing
5. The product is less likely to leak. It is finely sealed with good materials which effectively hide its electrolyte inside. It meets the demands of working under a wide of pressure and temperature conditions

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

H44J

• Connection Ends: BS EN 1092 PN10/PN16, AS 2129 TABLE E, JIS B2212 10K, BS 10 TABLE D/E

• Working Pressure: PN10/PN16

• Temperature Range: 0℃- 80℃

• Coating: Fusion Bonded Epoxy Coating in accordance with ANSI/AWWA C550

Part No.	Part	Standard Speciﬁcation	Options
1	Valve Body	EN-GJS-450-10
2	Bolt	Carbon Steel Zinc Plated	SS304, SS316
3	Washer	Carbon Steel Zinc Plated	SS304, SS316
4	Disc	Carbon Steel + EPDM	Carbon Steel+NBR
5	Bonnet	EN-GJS-450-10
6	Bonnet Gasket	EPDM
7	Plug	Malleable Iron Galvanized	Bronze ASTM B584

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

DN		PN	Dimensions(mm)
Inch	mm		L	D	D1	d	C	T	n-φL
2"	50	10/16	203	165	125	99	19	3	4-Φ19
2.5"	65	10/16	216	185	145	118	19	3	4-Φ19
3"	80	10/16	241	200	160	132	19	3	8-Φ19
4"	100	10/16	292	220	180	156	19	3	8-Φ19
6"	150	10/16	356	285	240	211	19	3	8-Φ23
8"	200	10	495	340	295	266	20	3	8-Φ23
		16	495	340	295	266	20	3	12-Φ23
10"	250	10	622	405	350	319	22	3	12-Φ23
		16	622	405	355	319	22	3	12-Φ28
12"	300	10	698	460	405	370	24.5	4	12-Φ23
		16	698	460	410	370	24.5	4	12-Φ28

Company Features
1. Shenzhen Mech Valve Trading Co., Ltd. is the largest swing check valve production base in China. Mech Valve has established its own technology center to meet the continuous innovation of technology.
2. sewage check valve is very popular in oversea market on account of their high quality.
3. Shenzhen Mech Valve Trading Co., Ltd. has the abundant technical force. Since inception, the Mech Valve brand has been committed to improving customer satisfaction. Get price!

Favorable rate

100%

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