Best manual valve rubber manufacturers water supply

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 manual valve rubber manufacturers water supply-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 manual valve rubber manufacturers water supply-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

b******z

Mech has passed various tests. They are abrasion resistance testing, colorfastness testing, tear strength testing, flammability testing, etc. With a brilliant double groove design, it is anti-vibration

d******z

Mech has passed the necessary safety testing. It has been tested with regard to chemicals (lead, flame retardants, formaldehyde, etc.), flammability, and mechanical hazards (sharp points and edges). It's been proved that the ultra-high voltage can reach 750V

o******m

Mech is manufactured according to the following stages: fabrics wrinkle-resistant finish, cutting piece, grading, flat sewing, edge finishing, ironing, and packing. Its aluminum foil features strong fastness and high strength

q******l

Mech has undergone workmanship assessment to comply with garment standards. It has been assessed in terms of stitching, construction, and embellishments. The product can withstand the fluctuations of large voltage

r******l

Mech has passed quality inspections. It has been inspected with regard to flaws and defects of fabrics, colorfastness, breathability, softness, and shrinkage rate. The product is characterized by high ripple current

m******b

The overall structure is user-friendly, and the materials used for the main body and accessories are good, and then processed with special procedures. The finished product is not only wear-resistant and anti-corrosion, but also does not fade or deform, and has a long service life.

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