Yuyao No. 4 Instrument Factory
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China Yuyao No. 4 Instrument Factory certification
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Mini 1/4"Water Solenoid Valve Two Way Electric Water Valve Semi Direct Acting

Mini 1/4"Water Solenoid Valve Two Way Electric Water Valve Semi Direct Acting
Mini 1/4"Water Solenoid Valve Two Way Electric Water Valve Semi Direct Acting

Large Image :  Mini 1/4"Water Solenoid Valve Two Way Electric Water Valve Semi Direct Acting

Product Details:
Place of Origin: CHINA (YUYAO CITY)
Brand Name: ROUND STAR
Certification: ISO CE ROHS
Model Number: 2W-A
Payment & Shipping Terms:
Minimum Order Quantity: negotiation
Price: USD
Packaging Details: carton pallet for exporting standard
Delivery Time: depend on the order quantity
Payment Terms: T/T, Western Union
Supply Ability: consult
Detailed Product Description
Voltage: AC220~240V AC110V 50/60Hz 22VA DC24V DC12V 13W Interface Size: 1/4" ~ 1/2"
Interface: G Thread NPT Thread Rc Thread Sealing Material: NBR EPDM VITON
Working Pressure: 0~15 Bar Coil: IP65 H Degree
High Light:

solenoid water valve

,

electric solenoid water valve

2W-A series 2-way mini semi direct acting normally closed brass SS316 water air solenoid valve 1/4" ~ 1/2"

 

Water solenoid valve Features:


Simple structure, small size, good sealing performance, easy maintenance.


Water solenoid valve structure principle:


This valve pass through the diaphragm 15-100 to open the second pilot valve solenoid valves 125-300 to pass through three open pilot valve solenoid valve, its structure is dominated by the Deputy valve and main valve components.


Depending on the state in which a power outage can be divided into normally closed solenoid valve and a normally open solenoid valve. Normally closed solenoid valve, normally position, vice valve port plunger seal, pressure equalization valve chamber, vice valve, the main valve port closed. When the coil is energized, the electromagnetic force on the movable core pull, vice valve is opened, the main valve cavity medium leakage from the pilot valve port, so that the main valve diaphragm generating a pressure difference between the upper and lower diaphragm was quickly hold up, the main valve port open the valve was passage state. When the coil power, the magnetic field disappears, the core reset, vice valve port closed and then the secondary valve diaphragm chamber pressure rises, the main valve diaphragm pressure to the valve seat and the valve was closed.


Normally open solenoid valve, when the coil is energized, generate magnetic force, armature magnetic force down, push down the valve cup deputy, vice valve is closed. With the main valve differential pressure tends to equal up and down, turn off the main valve diaphragm by the spring and the weight of the self-sealing valve. When the coil power, the magnetic force is zero, the armature and the secondary valve ring due to the action of the spring rises, the Deputy valve is opened, the main valve diaphragm chamber via auxiliary valve medium flow away, pressure drop, when the pressure dropped to a certain value, lifted up and down by the main valve differential pressure up, the main valve is opened, the valve opens.

 

2W-A -series 2-way semi direct acting(NC)solenoid valve specification table

(ES coil can match EPDM and VITON, but medium temperature must be ≤80℃)

interface

 

orifice

(mm)

Cv

 

 

 

 

 

Working pressure(bar)

medium

temperature

 

sealing material

 

coil

insulation

degree

 

coil power

Escoil

normal order code

min

pressure

max pressure pressure

 

 

 

Normal coil Es coil

plastic seal

voltagevoltageevoltage AC220V

G thread

sealing material:Blank:NBR E:EPDM V:VITON

 

air gas

water hotwater

liquid light oil

VA

 

 

W

 

VA

 

 

W

 

AC

220

V

DC

24

V

AC

220

V

DC

24

V

AC DC brass SS304
1/4" 10 2.1 0 20 16 80 NBR H 22 13 3 3 2W-A-08-AC220V 2W-A-08J-AC220V
10 2.1 0 20 16 130 EPDM H 22 13     2W-A-08-E-AC220V 2W-A-08J-E-AC220V
10 2.1 0 20 16 120 VITON H 22 13     2W-A-08-V-AC220V 2W-A-08J-V-AC220V
3/8" 10 2.1 0 20 16 80 NBR H 22 13 3 3 2W-A-10-AC220V 2W-A-10J-AC220V
10 2.1 0 20 16 130 EPDM H 22 13     2W-A-10-E-AC220V 2W-A-10J-E-AC220V
10 2.1 0 20 16 120 VITON H 22 13     2W-A-10-V-AC220V 2W-A-10J-V-AC220V
1/2" 10 2.1 0 20 16 80 NBR H 22 13 3 3 2W-A-15-AC220V 2W-A-15J-AC220V
10 2.1 0 20 16 130 EPDM H 22 13     2W-A-15-E-AC220V 2W-A-15J-E-AC220V
10 2.1 0 20 16 120 VITON H 22 13     2W-A-15-V-AC220V 2W-A-15J-V-AC220V

 

Mini 1/4"Water Solenoid Valve Two Way Electric Water Valve Semi Direct Acting 0

 

options:

Rc thread, sealing material: EPDM VITON VMQ

digital timer, LED light connector, ES low power energy saving coil(AC220V 3VA DC24V 3W)

 

 

 

Founded in 1965, Yuyao No.4 Instrument Factory has been a professional manufacturer of solenoid valves and has enjoyed an excellent reputation through the past more than 50 years in China. With the introduction of foreign cutting-edge technology, and the sustained innovation and self-improving, the company has mastered the key technology and is keeping pioneer position in the field of fluid solenoid valve.

 

The company is equipped with superior production machines, advanced process flows, complete testing systems; the products have sophisticated structure, reliable performance, fine outlook and reasonable price, covering over 40 series and 3000 specifications, having been exported to all over the whole world since 2004.

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Contact Details
Yuyao No. 4 Instrument Factory

Contact Person: Miss.Ying

Tel: +8615257496712

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