Latest 2.5 check valve check for business ﬁre protection

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 check 2.5 check valve for business ﬁre protection-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	Stem	SS420	SS304, SS316, SS431
3	Hinge Bushing	Brass Hpb59-1
4	Spring	SS304	SS316
5	Nut	SS304	SS316
6	Disc	EN-GJS-450-10
7	O-Ring	EPDM	NBR
8	Hinge bushing	Brass Hpb59-1
9	Seat	EN-GJS-450-10
10	O-Ring	NBR	EPDM
11	Screw	Carbon Steel Zinc Plated	SS304, SS316

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

Mech check 2.5 check valve for business ﬁre protection-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

o******q

The company has strong strength and strict management. It not only has a standardized production workshop, but also has established a perfect quality management system. From the selection of raw materials to the delivery of finished products, the quality is strictly controlled in every link to ensure the excellent quality of .

c******h

As a manufacturer with many years of industry experience, Shenzhen Mech Valve Trading Co., Ltd. keeps up with market trends, not only draws on advanced production concepts at home and abroad, but also insists on using advanced technology and craftsmanship to manufacture , which makes have stable performance and excellent quality quality.

n******x

Shenzhen Mech Valve Trading Co., Ltd. There is a product research and development department with professional design talents. The structural design of each part of is more independent and creative. The designed product has a novel appearance and is equipped with exquisite workmanship. Carved and portrayed carefully in both places and as a whole, the final finished product is of high quality and extraordinary quality.

i******q

of Shenzhen Mech Valve Trading Co., Ltd. is made of selected high-quality materials, and the overall design is scientific and reasonable, the finished product is of good quality, and has a high market value.

p******y

The company has always been adhering to the production concept of 'safety first, quality first', and standardized production in strict accordance with national standards. The produced is fine in workmanship, high in quality, beautiful and practical.

i******h

The product is corrosion resistant. It has been tested under salt mist, including neutral salt mist and acid-salt spray. This product helps develops kids' sensory and logical skills

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