Top 4 spring check valve silent manufacturers chemical industry

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 Valve silent 4 spring check valve manufacturers chemical industry-1

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.

Mech Valve silent 4 spring check valve manufacturers chemical industry-2

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

h******i

Mech is finely produced by experienced production professionals using advanced technology. It totally conforms to the UL Flame Rating of 94V-0

l******x

Useful design: is designed by a group of creative and professional experts based on the findings of their investigation and research of customers' needs. It totally conforms to the UL Flame Rating of 94V-0

b******e

Mech is accurately manufactured using state-of-the-art production technology. The inner layer core of the product is chemically treated for improved adhesion of the copper surface

n******q

Strict production standard: the production of Mech follows strict production standards that comply with the international ones and meet the requirements of customers. Thanks to the up-to-date vacuum DES line, it is manufactured with fine traces and high density

d******k

The production process of Mech is highly mechanized following the international standards. It has low water absorptivity in the damp environment

o******s

The raw material cost, labor cost, and processing cost of our are lower than the market average, so compared with other similar products, the price advantage of our is more obvious.

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