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Yuyao No. 4 Instrument Factory
YUYAO NO.4 INSTRUMENT FACTORY professional manufacturer of solenoid valves
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Energy Saving Pilot Operated Electric Water Valves DFD Series With Digital Timer

Energy Saving Pilot Operated Electric Water Valves DFD Series With Digital Timer

Brand Name : ROUND STAR
Model Number : DFD
Certification : ISO CE ROHS
Place of Origin : CHINA (YUYAO CITY)
MOQ : NEGOTIATION
Price : USD
Payment Terms : T/T, Western Union
Supply Ability : consult
Delivery Time : depend on the order quantity
Packaging Details : package for exporting standard
material : AC220~240V AC110V 50/60Hz 25VA DC24V DC12V 13W
interface size : 3/8" ~ 3"
interface : digital timer, LED light connector
working pressure : ES low power energy saving coil(AC220V 3VA DC24V 3W)
voltage : brass SS304 SS316
coil : IP65 H degree
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DFD series 2-way pilot operated normally closed brass stainless steel water air solenoid valve 3/8" ~ 3"


The valve is opened for the second pilot valve solenoid valve structure mainly by the pilot valve and main valves, main valve with rubber seal structure. Chang position, the pilot valve plunger seal the mouth cavity pressure balance valve, the main valve port closed. When the coil is energized, the electromagnetic force on the movable core pull, the main valve chamber media leaks from the pilot valve port, as well as a pressure difference, the diaphragm or valve cup was quickly hold up, mouth open the main valve, the valve was then the passage. When the coil power, the magnetic field disappears, the core reset and closed pilot valve port, after the pilot valve and the main valve cavity pressure equalization valve and was closed.


DFD-series 2-way pilot operated(NC)specification table

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

interface


orifice

(mm)

Cv


pressure (bar)

medium

temp.


sealing

material

coil

insulation

degree

power


normal order code


min

pressure

Max pressure


normal coil


Es coil

plastic seal

AC220V

G thread

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


air gas

water hotwater

liquid light oil

VAW

VA


W


AC

220

V

DC

24

V

AC

220

V

DC

24

V

ACDCbrassSS304
3/8134.50.3121080NBRH251333DFD-10-AC220VDFD-10J-AC220V
134.50.31210130EPDMH2513DFD-10-E-AC220VDFD-10J-E-AC220V
134.50.31210120VITONH2513DFD-10-V-AC220VDFD-10J-V-AC220V

1/2


134.50.3121080NBRH251333DFD-15-AC220VDFD-15J-AC220V
134.50.31210130EPDMH2513DFD-15-E-AC220V -15-E-AC220VDFD-15J-E-AC220V
134.50.31210120VITONH2513DFD-15-V-AC220VDFD-15J-V-AC220V
3/4187.20.3121080NBRH251333DFD-20-AC220VDFD-20J-AC220V
187.20.31210130EPDMH2513DFD-20-E-AC220VDFD-20J-E-AC220V
18

7.2


0.31210120VITONH2513DFD-20-V-AC220VDFD-20J-V-AC220V
123120.3121080NBRH251333DFD-25-AC220VDFD-25J-AC220V
23120.31210130EPDMH2513DFD-25-E-AC220VDFD-25J-E-AC220V
23120.31210120VITONH2513DFD-25-V-AC220VDFD-25J-V-AC220V

11/4


33240.3121080NBRH251333DFD-32-AC220VDFD-32J-AC220V
32240.31210130EPDMH2513DFD-32-E-AC220VDFD-32J-E-AC220V
32240.31210120VITONH2513DFD-32-V-AC220VDFD-32J-V-AC220V
11/240300.3121080NBRH251333DFD-40-AC220VDFD-40J-AC220V
40300.31210130EPDMH2513DFD-40-E-AC220VDFD-40J-E-AC220V
40300.31210120VITONH2513DFD-40-V-AC220VDFD-40J-V-AC220V
250480.3121080NBRH251333DFD-50-AC220VDFD-50J-AC220V
50480.31210130EPDMH2513DFD-50-E-AC220VDFD-50J-E-AC220V
50480.31210120VITONH2513DFD-50-V-AC220VDFD-50J-V-AC220V
380820.3121080NBRH251333DFD-80 - AC220V
80820.31210130EPDMH2513DFD-80 –E -AC220V
80820.31210120VITONH2513DFD-80 –V -AC220V

options :

Rc thread

sealing material: EPDM VITON

digital timer, LED light connector

ES low power energy saving coil(AC220 V3VA DC24V 3W)

Valvebody material: SS316

Coil: wired plastic seal


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.


Product Tags:

solenoid water valve

      

electric solenoid water valve

      
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