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Zhejiang Xinhai Valve Manufacturing Co.,

About Us

Zhejiang Xinhai Valve Manufacturing Co., Ltd., located in Ouei, Wenzhou, China, is established in 1986. With over 20 years' China Zhejiang Xinhai Valve Manufacturing Co., Ltd.experience, now, the company becomes a professional valve manufacturer specialized in developing, manufacturing, and marketing valves, as well as high-quality services. It covers an area of 15000 square meters and has two subsidiary factories.
The industrial valves we manufactured include gate valves, check valves, globe valves, ball valves, butterfly valves, plug valves, strainer and other valves. The valves are manufactured according to ANSI, API, DIN, GOST, BS, JIS, Chinese GB standards and the customers' special requirements. Our products have been marketed throughout the world, suitable for a wide variety of applications in the Gas, Oil, Refining, Chemical, Marine, Power Generation and Pipeline Transmission Industries.
To introduce the international quality management system, Xinhai have got the approval of ISO 9001, API 6D, CE and Chinese AZ certification. Besides, Xinhai established a multi-functional phys-chemical lab to supervise the quality further from time to time and fitted out spectrum analyzer, portable spectrograph (PMI), material tester, impact tester, hardness meter, tensile tester, thickness meter, magnetic particle tester, fugitive emission tester, and NDE testing equipment.
 The primary target of Xinhai is to offer products and services of high quality, so that we will receive the highest degree of consumer satisfaction and fidelity. Both new and old customers are welcomed to set up a partnership with Xinhai to explore wider marketing opportunities and create a brighter future together!

Products and Services

Cast Steel Trunnion Mounted Ball Valves

Cast Steel Valves Type: Cast Trunnion Mounted Ball Valve.

Valve Size: 2” - 24”.

Pressure Rating: Class 150 – 600.

Body Material: Carbon Steel, Stainless Steel, Duplex Steel.

Trim Material: Carbon Steel, Stainless Steel, Duplex Steel.

 

Features:

Two Pieces Cast Steel Body,

Trunnion Mounted Ball, Full & Reduced Bore,

Anti-static Device, Blow-out Proof Stem,

Fire Safe Design, Emergency Sealant Injector (6” & larger).

 

Manufacturer: Zhejiang Xinhai Valve Manufacturing Co., Ltd.

Sales Contact: Jeasin Lee

Sales Email: valves@xinhaivalve.com

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Electric Soft Seal Butterfly Valves

Electric Soft Seal Valves whose applicable temperature belows 150? consists of PTFE seat, stainless steel valve disc and valve stem. The valve can only be used under weak corrosive condition or merit rating. Triple offset hard seal valve body can be used under high temperature and pressure. So it needs to be noted when ordering. In food, chemical industry, petroleum and other industries, electric soft seal butterfly valve can be used to realize automation and it can also regulate flow and closure medium.

 

Characteristics of electric soft seal butterfly valve

1. Novel design, unique structure, light weight, rapid open and close

2. Small torque, convenient operation

3. Can be install in any position and it is convenient maintain.

4. Seal can be replaced and realize bidirectional sealing and zero leakage.

5. Aging resistance, corrosion resistance and long service life.

 

Manufacturer: Zhejiang Xinhai Valve Manufacturing Co., Ltd.

Sales Contact: Jeasin Lee

Sales Email: valves@xinhaivalve.com

Valves Butterfly Valves Electric Soft Seal Butterfly Valves


Wafer Butterfly Check Valves

Wafer butterfly Check Valves has short face to face dimension (only 1/4~1/8 of the conventional flange check valve), small volume, light weight (1/4~1/20 of conventional flange check valve). Wafer butterfly check valve can be used for horizontal pipe lines and vertical pipe lines. The check valve also has the advantages of compact structure, beautiful modeling, long service life and excellent reliability.

 

Check valve is used for pipeline to avoid refluence of medium. Check valve is an automatic valve that open and close by the medium pressure. In the past, flanged swing check valve and flanged lift check valve are widely used, but those valves have the disadvantages of large volume, fluid resistance, high water hammer pressure, hard installation and short service life.

For that, based on American API Standards and German DIN Standards, combining with abundant experience on research, design and manufacturing, we develop wafer butterfly check valve wich is welcome in petroleum, metallurgy, power and other industries.

 

Characteristics:

1. Short face to face dimension(only 1/4~1/8 of conventional flange check valve);

2. Small volume, light weight (1/4~1/20 of conventional flange check valve);

3. The disc closes rapidly,and has small water hammer pressure;

Can be used for horizontal pipe lines and vertical pipe lines. 4. Convenient utilization;

5. Free channel and small fluid resistance;

6. Excellent sealing;

7. Short stroke of valve disc and small impact force when closing valve;

8. Compact structure, beautiful modeling;

9. Long service life and reliability.

 

Manufacturer: Zhejiang Xinhai Valve Manufacturing Co., Ltd.

Sales Contact: Jeasin Lee

Sales Email: valves@xinhaivalve.com

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Electric Three Way Ball Valves

Electric three way ball valves is classified into L type electric three way ball valve and T type electric three way ball valve. L type electric three way ball valve (Q944F) can connect mutually perpendicular two pipelines. T type electric three way ball valve (Q945F) is utilized to divert, interflow and flow reversal.

 

Manufacturer: Zhejiang Xinhai Valve Manufacturing Co., Ltd.

Sales Contact: Jeasin Lee

Sales Email: valves@xinhaivalve.com

Valves Ball Valves Three Way Ball Valves Electric Three Way Ball Valves


Pneumatic Vent Butterfly Valves

Pneumatic vent butterfly valves, made of steel plate through welding, has the advantages of small size, light weight, convenient utilization. For small torque, it is easy to open or close the Pneumatic valves. Body has oil seal retainer. There is large expansion clearance between the disc and body, which can avoid sticking caused by thermal expansion and contraction. The valve can be equipped with varieties of actuating device, such as handwheel, gear box, electric actuator and pneumatic actuator.Vent butterfly valve is widely used in metallurgy, petroleum and other industries, to regulate gas.

 

Manufacturer: Zhejiang Xinhai Valve Manufacturing Co., Ltd.

Sales Contact: Jeasin Lee

Sales Email: valves@xinhaivalve.com

Valves Butterfly Valves Pneumatic Vent Butterfly Valves


Wafer Lift Check Valves

Wafer lift check valve consists of valve body, valve disc and spring. Both horizontal pipeline and vertical pipeline can utilize the check valve. The advantages of wafer lift check valve include short length, small volume, light weight, excellent seal, low fluid resistance and low water hammer pressure, etc.

 

Valves Manufacturer: Zhejiang Xinhai Valve Manufacturing Co., Ltd.

Sales Contact: Jeasin Lee

Sales Email: valves@xinhaivalve.com

Valves Check Valves Wafer Lift Check Valves


Cast Steel Gate Valves

ValveType: DIN Gate Valves
Valve SizeDN 2-DN 1200. 
Pressure RatingPN 10-PN 160. 
 
Standards:

Design & Manufacture DIN EN 12516-1,  
BS EN 12516.1, 
BS EN ISO 10434, 
EN1984
Face to Face Dimension DIN EN558.1, 
BS EN 558-1, 
EN12982
Flange Ends Dimension BS EN 1092-1, 
DIN EN1092.1
BW End Dimension EN12627,
Test & Inspection BS EN 12266, 
DIN N12266.1

 
Standard Material Specifications

Parts Name Material
  Trim 1 Trim 8 Trim 5  
1 Body DIN 17245 GS-C25+CR 13 DIN 17245 GS-C25+STL DIN 17245 GS-C25+STL DIN 17445 1.4308 DIN 17445 1.4408
2 Wedge DIN 17245 GS-C25+CR 13 DIN 17245 GS-C25+CR 13 DIN 17245 GS-C25+STL DIN 17445 1.4308 DIN 17445 1.4408
7 Bonnet DIN 17245 GS-C25+CR 13 DIN 17245 GS-C25+CR 13 DIN 17245 GS-C25+CR 13 DIN 17445 1.4308 DIN 17445 1.4408
9 Gland ASTM A182 F6a ASTM A182 F304 ASTM A182 F316
10 Gland Flange DIN 17245 GS-C25 DIN 17445 1.4308 DIN 17445 1.4408
3 Stem ASTM A182 F6a ASTM A182 F304 ASTM A182 F316
4 Nut A194 2H A194 8 A194 8
5 Bolt A193 B7 A193 B8 A193 B8
6 Gasket SS Spiral Wound W/graphite, or SS Spiral Wound W/ PTFE, or Reinforced PTFE
8 Packing Braided Graphite or Reformed Graphite Ring or PTFE
11 Stem Nut Copper Alloy or A439 D2
12 Hand Wheel Ductile Iron or Carbon Steel
 

 

Manufacturer: Zhejiang Xinhai Valve Manufacturing Co., Ltd.
Sales Contact: Jeasin Lee
Sales Email: valves@xinhaivalve.com

Valves Gate Valves Cast Steel Gate Valves


Bellow Sealed Globe Valves

Valve Type: DIN Bellows Seal Globe Valves
Valve Size: DN 15 - DN 350
Pressure Rating: PN 16 - PN 40
 
Structure Feature: 
Double seal, more reliable performance.
Stem lift position indication, more intuitive.
Small flow resistance, low pressure drop.
 
Standards:

Design & Manufacture DIN EN 12516-1,
BS EN 12516.1,
BS 1873 EN13709
Face to Face Dimension DIN EN558.1,
BS EN 558-1
EN12982
Flange Ends Dimension BS EN 1092-1?
DIN EN1092.1
BW End Dimension EN12627
Test & Inspection BS EN 12266,
DIN N12266.1
 

Manufacturer: Zhejiang Xinhai Valve Manufacturing Co., Ltd.
Sales Contact: Jeasin Lee
Sales Email: valves@xinhaivalve.com 

Valve Valves Globe Valves Bellow Sealed Globe Valves


Three-way Internal Thread Copper Core Plug Valves

Three-way internal thread copper core plug valve is applicable for water, steam, oil
Working temperature: ≤100?
 
Medium & temperature
 
Model
Nominal Pressure
PN(MPa)
 
Testing Pressure PS(MPa)
Applicable Medium Working Temperature(?)
Shell Sealing
X14T-1.0 1.0 1.5 1.1 Water, steam, oil ≤100
 
Dimensions
Nominal Diameter
DN(mm)
Pipe Thread
G
Dimensions(mm)
H L h ?S
15 1/2 117 85 30 12
20 3/4 126 90 34 16
25 1 160 110 42 18
32 11/4 176 130 48 18
40 11/2 210 150 64 26
50 2 238 170 76 28
65 21/2 250 220 80 30
80 3 340 250 115 38
100 4 350 300 125 42
 
Materials
Model Body Plug Packing Gland Packing
X14T-1.0
 
Cast steel
 
Cast copper
 
Cast steel
 
Oil immersed asbestos plate+
flexible graphite
 

 

Valves Factory: Zhejiang Xinhai Valve Manufacturing Co., Ltd.
Sales Contact: Jeasin Lee
Sales Email: valves@xinhaivalve.com 

Valve Plug Valves Three-way Internal Thread Plug Valves


American Standard Y-Strainer

American standard Y-Strainer can filtrate particle contained in fluid to protect compressors, pumps and other equipments, and ensure they regular working.
 
American standard Y-strainer is suitable for steam, air, oil, water, weak corrosive gas and other fluid. It has advantages of rapid through flow, small pressure losings, strong pollution resistance, etc.  

Dimensions 
Pressure  Nominal Diameter DN Dimensions(mm)
 









150lb
/in /mm L D D1 D2 B f n.-φ
1/2 15 142 89 60.5 35 10 1.6 4-φ15
3/4 20 142 98 70 43 11 1.6 4-φ15
1 25 160 108 79.5 51 12 1.6 4-φ15
1-1/4 32 180 117 89 64 13 1.6 4-φ15
1-1/2 40 200 127 98.5 73 15 1.6 4-φ15
2 50 203 152 120.5 92 16 1.6 4-φ19
2-1/2 65 216 178 139.5 105 18 1.6 4-φ19
3 80 241 190 152.5 127 19 1.6 4-φ19
4 100 292 229 190.5 157 24 1.6 8-φ19
5 125 358 254 216 186 24 1.6 8-φ22
6 150 406 279 241.5 216 26 1.6 8-φ22
8 200 495 343 298.5 270 29 1.6 8-φ22
10 250 622 406 362 324 31 1.6 12-φ25
12 300 699 483 432 381 32 1.6 12-φ25
14 350 787 535 476 413 35 1.6 12-φ29.5
16 400 914 600 540 470 37 1.6 16-φ29.5
18 450 978 635 578 533?5 40 1.6 16-φ32.5
20 500 978 700 635 584 43 1.6 20-φ32.5
24 600 1295 815 749?5 692 48 1.6 20-φ35.5
 
Pressure Nominal Diameter DN Dimensions(mm)
 






300lb
/in L D D1 D2 B f n.-φ
1/2" 165 95 66.5 35 16 1.6 4-φ15
3/4" 165 117 82.5 43 16 1.6 4-φ19
1" 190 124 89 51 18 1.6 4-φ19
1-1/4" 190 133 98.5 64 19 1.6 4-φ19
1-1/2" 229 156 114.5 73 21 1.6 4-φ19
2" 267 165 127 92 23 1.6 8-φ19
2-1/2" 292 190 149 105 26 1.6 8-φ22
3" 318 210 168.5 127 29 1.6 8-φ22
4" 356 254 200 157 32 1.6 8-φ22
5" 400 279 235 186 35 1.6 8-φ22
6" 445 318 270 216 37 1.6 12-φ22
8" 559 381 330 270 42 1.6 12-φ25
10" 622 444 387.5 324 47.7 1.6 16-φ29
12" 711 521 451 381 50.8 1.6 16-φ32

Manufacturer: Zhejiang Xinhai Valve Manufacturing Co., Ltd.
Sales Contact: Jeasin Lee
Sales Email: valves@xinhaivalve.com 

Filter Y-Strainer American Standard Y-Strainer


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