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Shanghai Yichen Valve Co., Ltd.

Valve, China Valve, Control Valve manufacturer / supplier in China, offering Pneumatic Diaphragm on -off Valve, Domed Diaphragm Valve , Three-Way Pneumatic Diaphragm Control Valve and so on.

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Pneumatic Diaphragm on -off Valve

FOB Price: US $5-100 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $5-100/ Piece
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Production Capacity: 10000/Month
Transport Package: Plywood Case
Payment Terms: T/T

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Basic Info
  • Power: Pneumatic
  • Size: 1/2" ~ 20"
  • Specification: CE API ISO
  • HS Code: 8481804090
  • Valve: Control Valve
  • Trademark: YI CHEN
  • Origin: China
Product Description
Pneumatic diaphragm ON -OFF valve
Specification
Applications: Control flow, pressure, temperature, etc
Structure type: Single seat, double seat, sleeve, 3-way, lined PTFE
Mediums: Water, Steam, Oil, Acid, etc
Wide sizes: 1/2''-20'' or larger
Many materilas: Cast Steel/Stainless Steel, WCB, WCC, WC6, WC9, 304SS, 316SS, etc
High Pressure: PN1.0-10.0MPa or ANSI 150Lb-2500Lb
Signal input: 4-20mA, 3-15psi
Flow Characteristics: Linear, Equal-percentage, Quick-open
Design & Manufacture std.: GB/T17213, IEC 60534, GB/T4213
Face to face std.: GB/T17213.3-2005, IEC60534-1: 2000, ANSI/ISA. S75.15: 1987, ANSI/ISA. S75.16: 1987, 
End connection std.: ASME B16.5, DIN2543, JIS B2212 etc. 
Test std.: GB/T 17213.4-2005, IEC 60534-4: 1999
Features
1. Using the balancing valve core structure, little axial unbalanced force, large allowable differential pressure, good stability. 
2. Socket duplicity is good, disassembling convenience and easy maintenance. 3. The mental valve core structure for many work situation up to scratch 6 leak standard, soft sealing structure valve core up to scratch 5 leak standard. 
4. The body fluid mechanics theory designed according to such low flow resistance in surface flow, large adjustable scope, Inherent adjustable proportion is 50: 1, the rated flow coefficient increases by 30%, 
5. Actuator adopt spring structure, highly reduced by 30%, weight reduced by 30%. 
Bellows seal regulator valve, mobile stem formed completely sealed, plugging away fluid leakage. 
Control valve technical parameters: 
DN(mm)20253240506580100125150200250300350400
Seat size(mm)20253240506580100125150200250300350400
Rated KVLinear6.91117.627.544691101762754406301000160021562816
Equal percentage6.31016254063100160250400690900144019602560
Nominal Pressure(MPa)1.6, 2.5, 4.0, 6.4, 10
Travel (mm)16254060100130
Diaphragm effective areas(cm2)2803505609001400Piston type
Signal range Kpa20-100, 40-200, 80-240
Supply pressure MPa0.1-0.40.4-0.7
Inherent flow characteristicsLinear, Equal-percentage, Quick-open
Inherent rangeability50: 1
Leakage levelHard-sealing IV level, Soft-sealing VI
Flange sizeConform with JB/79.1(2)-94, HG20592-97, GB, ANSI, JIS, DIN etc. Standard
Body materialWCB, 304, 316, WC6, WC9, Ti, Ni, Hastelloy, Monel etc. 
Flug materials304, 316, 420, Ti, Ni, Hastelloy, Monel etc. 
Working TEM-40~+230(normal TEM. ), +230~+45(middle TEM
. ), +450~+560(high TEM. ), -40~-196(low TEM. )
Series typeNormal TEM, middle TEM, low TEM, bellows sealing type, jacket insulation type, shut-off control type
FAQ
1. Q: What is your main market? 
A: Our main market is North America, South America, Eastern Europe, Southeast Asia, Africa, MID East, Eastern Asia, Western Europe. 
2. Q: Are there products standard? 
A: Our model is standard, if you have specific demand, pls tell us. 
3. Q: Do you have interest to do our own design items? 
A: Absolutely! It's our pleasure. 
Our Services
1)Our advantage: 
We are the manufacturer with almost 20 years experience on valves. Best price, quality and service, Also we can control the production status. Shanghai YI CHEN team with strong ability in designing and after sell service. Cooperation with Carrier has improved our quality to a new level. 
2)Terms of payment: T/T, L/C, Western union. 
3)Shipment: Average 20-25days after receiving deposit. 
4)Delivery: Shanghai/Ningbo, by sea or air. 
5)Gurantee: One year since delivery. 
6)Inspection: 100% testing for all the valves. 
7) All kinds of CERTIFICATE OF ORIGIN. 
Welcome to choose SHANG HAI YI CHEN, we are always ready! 
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