Best 4 inch check valve durable manufacturers industry

Statement

Gate valves serve to cut the medium flow in the piping system, 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

Body, bonnet, wedge, handwheel and operating nut are all produced in ductile iron material which provides guarantee for high strength and good corrosion resistance.

◔ Triple O-ring Stem Seals

The lower O-ring isolates the stem thrust collar bearing area from the waterway. The upper two O-rings can easily be replaced in the line while the valve is under pressure in the open position.

◔ Stainless Steel Stem, Brass Thrust Collar and Bronze Wedge Nut

This life-tested MEIDE design has repeatedly proven its superior strength and abrasive 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.

◔ Long Service Life with Resilient Seat Cycling Test 1,000 times

The Valve has been subjected to 1,000 cycles of operation at a maximum rate of 6 cycles of operation per minute from fully closed to fully open and from fully open to fully closed positions under cycled hydrostatic pressure.

MATERIAL SPECIFICATION

Best 4 inch check valve durable manufacturers industry-1

Z41X

• Connection Ends: Flange to BS EN 1092-2:1997

• 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	Resilient Wedge Disc	EN-GJS-450-10+EPDM
3	O-ring	NBR	EPDM
4	Stem	SS420	SS304, SS16, Al-bronze
5	Nut	Carbon Steel Zinc Plated	SS304, SS316
6	Bonnet	EN-GJS-450-10
7	Stem Bushing	Brass Hpb59-1
8	Gland	EN-GJS-450-10
9	Flat Washer	Carbon Steel Zinc Plated	SS304, SS316
10	Stud	Carbon Steel Zinc Plated	SS304, SS316
11	Nut	Carbon Steel Zinc Plated	SS304, SS316
12	Yoke	EN-GJS-450-10
13	Nut	Brass Hpb59-1
14	Washer	Brass Hpb59-1
15	Locknut	Carbon Steel Zinc Plated
16	Handwheel	EN-GJS-450-10	Pressed Steel
17	Stem Packing	NBR	EPDM
18	Bonnet Gasket	EPDM	NBR

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

Best 4 inch check valve durable manufacturers industry-2

DN		PN	Dimensions(mm)
Inch	mm		L	H1(Close)	H2(Open)	D	D1	d	C	T	n-φL
2"	50	10	178	257	307	165	125	99	19	3	4-Φ19
		16
2.5"	65	10	190	305	370	185	145	118	19	3	4-Φ19
		16
3"	80	10	203	350	430	200	160	132	19	3	8-Φ19
		16
4"	100	10	229	422	522	220	180	156	19	3	8-Φ19
		16
5"	125	10	254	515	640	250	210	184	19	3	8-Φ19
		16
6"	150	10	267	563	713	285	240	211	19	3	8-Φ23
		16
8"	200	10	292	675	875	340	295	266	19	3	8-Φ23
		16									12-Φ23
10"	250	10	330	905	1155	405	350	319	22	3	12-Φ23
		16					355				12-Φ28
12"	300	10	356	1030	1330	460	400	370	24.5	4	12-Φ23
		16					410				12-Φ28
14"	350	10	381	1210	1560	520	460	429	26.5	4	16-Φ23
		16					470				16-Φ28
16"	400	10	406	1280	1680	580	515	480	28	4	16-Φ28
		16					525				16-Φ31
18"	450	10	432	1760	2210	640	565	530	30	4	20-Φ28
		16					585	548			20-Φ31
20"	500	10	457	1780	2280	715	620	582	31.5	4	20-Φ28
		16					650	609			20-Φ34
24"	600	10	508	1950	2550	840	725	682	36	5	20-Φ31
		16					770	720			20-Φ37

x******d

The design of Mech is professional. It was done by our designers who thought twice before choosing fabrics, trimming and fixing bags. It can be kept on a ramp near the terminal when not in use for quick accessibility

c******w

Mech has passed a wide range of tests. They cover stress points testing, support points testing, yield points testing, wear resistance testing, toughness testing, friction force testing, etc. Its soft wheels prevent damage to the floor during use

b******m

The manufacture of Mech follows some basic steps to some extent. These steps are CAD design, drawing confirmation, raw materials selection, materials cutting, drilling, shaping, and painting. The smooth surface prevents damage to the cargo/passenger

o******m

There are many principles of furniture design covered in Mech creation. They are mainly Balance (Structural and Visual, Symmetry, and Asymmetry), Rhythm and Pattern, and Scale and Proportion. It is suitable for a small obscure helipad, regional airport or international hub

d******a

The fabrics used in Mech comply with global organic textile standards. They are certified by Oeko-Tex. It excellently supports cargo/passenger loading operations

r******h

Shenzhen Mech Valve Trading Co., Ltd.Through continuous technological learning and innovation, new concepts are incorporated into the R&D and production of , and the traditional model is broken through. Its own scientific cost control measures make the price of the product better, so that the overall cost performance of the product is higher, and it has more advantages in the market competition.

Name

E-mail

Company Name

Content