High-quality air pressure relief valve swing Supply water supply

Latest products

Wafer Style Butterfly Valve BS EN 593 (D71X4, D371X4), PN10/16

Lug Butterfly Valve BS EN 593 (D71XL4, D371XL4), PN10/16

Silent Check Valve (HC41X), PN10/16

Spring Check Valve EN 12334 Rubber Disc Swing Check H44J PN10/16

Product Information
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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

Mech swing air pressure relief valve Supply water supply-1

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.

Mech swing air pressure relief valve Supply water supply-2

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

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Mech has been tested to meet safety standards. These tests cover inflammability/fire resistance testing, lead content testing, and structural safety testing.

c******k

Before Mech is shipped, a QC team conducts a rigorous inspection to check color fastness, dimensional stability and attachment safety.

z******n

The design of Mech is scientific. It is the application of mathematics, kinematics, mechanics of materials, mechanical technology of metals, etc.

c******j

Mech has a very scientific design. Humidity, temperature, carbon dioxide and light, as well as other factors such as rain, airflow or noise, are environmental concerns in design.

y******m

Mech is a product developed by our R&D team. They strive to produce light products with good thermal convection properties to increase product durability.

c******r

The product stands out for its reasonable construction. The key design parameters such as mechanical strength and abuse tolerance to withstand changeable conditions.

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