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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. Mech Valve lug type butterfly valve is finely and expertly manufactured in a combination of abundant expertise and advanced production technology. It features moderate to good throttling capability
2. The product is popular mainly due to its good thermal conductivity, heat dissipation, fast heating capacity, as well as high-strength metal structure. It is made to be durable even in the toughest pipeline environments
3. The product features user-friendliness. It is designed under the ergonomics concept that aims to offer the maximum comfort and convenience.

Statement

Resilient centerline butterﬂy valves usually serve to cut off medium ﬂow in the piping system, widely applied in the field of potable water, water supply and drainage, sewage disposal, irrigation, air conditioning, ﬁre protection as well as chemical and energy industry. The design of the butterﬂy valves, however, makes it also suitable to serve as adjusting valve.

Features

◔ Material

Body and lever are all produced in ductile iron material (EN-GJS-450-10) which provides guarantee for high strength and good corrosion resistance. Different options of the disc and seat, e.g. disc of DI nickel or nylon 11 coated, different series of stainless steel, Al-bronze, seat in EPDM, NBR or Fluororubber, makes it suitable to be applied under different working conditions.

◔ Design

Universal ﬂange connection to BS EN 1092 PN6/10/16, ASME B16.1 CL 125, ASME B16.5 CL 150, GB9113, JIS B2112 10K, AS 2129 Table E, BS 10 Table D/E.

Different options of operation including lever handle, gear box, gear box with tamper switch, electric drive, and pneumatic drive, etc.

Different options of rubber seat including insert rubber seat, rubber vulcanized on valve body and boot rubber seat.

◔ Coating

Fusion bonded epoxy coating of valve body and lever provides reliable corrosion resistance.To achieve higher corrosion resistance, factory is also able to supply Nylon 11 coated disc. Nylon 11 coating is thermoplastic plant coating approved by USDA with high corrosion resistance and antisepsis which can be applied where there is strict requirement for anti- corrosion.

MATERIAL SPECIFICATION

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D71XL4, D371XL4

• Design Standard: BS EN 593

• Connection Ends: BS EN 1092 PN10/PN16

• Top Flange Standard: ISO 5211
Stem drive by keys, parallel or diagonal square or ﬂat head

• 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	Seat	DN40~400: EPDM & Backing DN450~750: EPDM Vulcanized on Valve Body	NBR/Fluororubber&Backing EPDM/NBR Vulcanized on Valve Body Soft Seat in EPDM/NBR
3	Disc	EN-GJS-450-10	SS304, SS316, AL-Bronze C95400
4	Stem	DN50~350: SS420, One-Piece Stem Design DN400~750: SS431, Two-Piece Stem Design	SS304, SS316, SS416, SS431
5	O-Ring	NBR	EPDM
6	Bushing	DN40~350: Nylon 1010 DN400~750: Lubricating Bronze	PTFE
7	Lever	EN-GJS-450-10	Aluminum
8	Shaft Cover (DN400~750)	EN-GJS-450-10
9	Gear Box	Cast Iron EN-GJL-200	EN-GJS-450-10

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

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DN		Dimensions(mm)
Inch	mm	A	B	V	C	ØD	Ø2	ØK	G	L	ØD1	N-M	ISO 5211	Ø3	H	H1	H2	P
											PN16
1.5"	40	138	64.5	32	33	43.9	14	90	9.45	267	110	4-M16	F07	150	206	158	52	43.5
2"	50	140.5	64.5	32	43	53.9	14	90	9.53	267	125	4-M16	F07	150	206	158	52	43.5
2.5"	65	153	72	32	46	65.2	14	90	9.53	267	145	4-M16	F07	150	206	158	52	43.5
3"	80	157.5	86	32	46	79.7	14	90	9.53	267	160	8-M16	F07	150	206	158	52	43.5
4"	100	176	100	32	52	105	16	90	11.14	267	180	8-M16	F07	150	206	158	52	43.5
5"	125	191	112	32	56	130	16	90	11.14	267	210	8-M16	F07	150	206	158	52	43.5
6"	150	202.5	128	32	56	156	20	90	12.7	267	240	8-M20	F07	150	206	158	52	43.5
8"	200	243.5	162	45	60	206.7	26	125	20.6	356	295	12-M20	F10	300	310	239	69	62.5
10"	250	273	194	45	68	253.3	26	125	20.6	490	355	12-M24	F10	300	310	239	69	62.5
12"	300	311	223	45	78	301.9	28	125	22.1	490	410	12-M24	F10	300	307	229	73	77.5
14"	350	340	267	48	78	333.9	31.6	150	22.1	-	470	16-M24	F12	300	307	229	73	77.5
16"	400	400	319.5	48	102	389.6	33.2	175	27	-	525	16-M27	F14	380	418	288	110	120

Company Features
1. With advanced technology and big capacity, Shenzhen Mech Valve Trading Co., Ltd. actively leads the wafer style butterfly valve industry.
2. With the unique technology and stable quality, our wafer butterfly valve win a wider and wider market gradually.
3. The good quality of butterfly valve represents the life pursuit of Mech Valve. Contact!

g******z

Mech is made of quality-assured raw materials. It has low noise and high mobility

n******w

Mech has advanced design concept that exceeds the market. The product will greatly improve the quality of factory-made products

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Each detail of Mech is carefully crafted by using the latest advanced technology. The product will greatly improve the quality of factory-made products

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Strong design attitude and a personality are added to . The product can maintain high air quality of the factory

k******h

The production process of Mech is accelerated and streamlined. With the shell galvanized, the product is crack-resistant and wear-resistant

v******r

This product has high light color accuracy. It is able to make the thing being illuminated look the same as its original color. The product's rigid frame forestalls shrinking or bending

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