Best 4 inch check valve disc company 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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Company Advantages
1. The appearance design of Mech meets the latest demand. It features moderate to good throttling capability
2. With years of experience accumulation in the production of 4 inch check valve , Shenzhen Mech Valve Trading Co., Ltd. is highly recognized by global customers. It is not prone to cause eddy ﬂow and turbulent ﬂow
3. The product is bacteria resistant. The filter elements used in it such as membrane and pellet active carbon are highly effective in absorbing any microorganism and bacteria. It meets the demands of working under a wide of pressure and temperature conditions
4. This product is eco-friendly and generates no waste. Some parts used in it are recycled materials, maximizing the use of useful and available materials. It complies with international speciﬁcations such as NSF61

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 disc 4 inch check valve company ﬁre protection-1

H44X, H44T

• 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	Disc	EN-GJS-450-10	SS304, SS316, AL-Bronze UNC 95400
3	Stem	SS420	SS304, SS316, SS416
4	Spring	SS304	SS316
5	Rubber Seat		NBR

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

Mech disc 4 inch check valve company ﬁre protection-2

DN		PN	Dimensions(mm)
Inch	mm		L	D	D1	D2
2"	50	10/16	54	107	64	46
2.5"	65	10/16	54	127	78	60
3"	80	10/16	57	142	94	70
4"	100	10/16	64	162	117	84
5"	125	10/16	70	192	145	115
6"	150	10/16	76	218	170	134
8"	200	10/16	95	273	224	184
10"	250	10/16	108	328	265	220
12"	300	10/16	143	378	310	260
14"	350	10/16	184	438	360	302
16"	400	10/16	191	489	410	350

Company Features
1. Recognized as one of the industry experts, Shenzhen Mech Valve Trading Co., Ltd. provides high quality and designing&manufacturing services.
2. By virtue of solid technical foundation, Shenzhen Mech Valve Trading Co., Ltd. becomes forefront in 4 inch check valve industry.
3. Saving while improving has been Mech's target. Get quote!

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Mech is manufactured using state-of-the-art processing machines. They include CNC cutting&drilling machines, 3D imaging machines, and computer-controlled laser engraving machines. This product features relatively low internal resistance

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The quality of Mech is verified. It is tested in terms of specifications, functions, and safety with relevant standards such as EN 581, EN1728, and EN22520. The design of this product can be customized per customers' requirements

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Mech is manufactured with a series of mechanical components. They are a machine base, column, worktable, spindle cases, carriages, and so on. This product features a super long cycle lifespan

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Mech has been verified to meet various quality requirements. It has been tested to work properly under various conditions, even harsh conditions. This product does not need prolonged priming when it starts

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Mech is designed by professional furniture designers. They approach the product from a practical point of view as well as aesthetics view, making it in line with the space. This product is able to provide a high current density

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The product is free of toxicity. The hazardous raw materials such as solvents and reactive chemicals used in manufacturing are totally removed. It contains relatively low levels of toxic heavy metals

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