Best unidirectional valve rubber Suppliers drainage

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

Best unidirectional valve rubber Suppliers drainage-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.

Best unidirectional valve rubber Suppliers drainage-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******g

The bottom is designed with a non-slip mat, which is more stable and wear-resistant, and it is not easy to wear and tear the furniture, showing excellent quality in the details.

s******k

Selected high-quality blanks are pressed by a thousand-ton brick press and sintered at a thousand-degree high temperature. The surface is smooth and clean, non-slip and wear-resistant, and durable.

e******z

Select high-quality ABS pedals, adopt the integrated three-dimensional stripe anti-slip design, durable, safe and odor-free, you can use it with confidence.

r******x

's bottle design is sleek and stylish, with smooth lines, beautiful shape, fine workmanship, high quality, both aesthetics and practicality.

s******o

The table basin is solid and thick, wear-resistant and dirt-resistant, and the glazed surface is not easy to be scratched or damaged. It is very convenient to clean. Just wipe it with a towel dipped in clean water and it will be as bright as new immediately.

w******w

The product has good colorfastness. During the production, it has been dipped into or sprayed with quality coatings or paint on the surface. The product is characterized by temperature resistance

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