2W series 2-way direct acting normally closed brass SS316 water air solenoid valve 1/8＂ ～ 3/8＂
working medium:water,liquid,air,light oil(viscosity≤20cst)
medium temperature:-5 ～ 80℃
working pressure:0 ～ 15bar (details see specification table)
working type:direct acting(NC)
valvebody material:brass SS316
sealing material:NBR
interface:G thread NPT thread
working voltage:AC220～240V AC110V 50/60Hz 22VA DC24V DC12V 13W IP65 H degree
options:
Rc thread sealing material: EPDM VITON VMQ
digital timer LED light connector ES low power energy saving coil(AC220V 3VA DC24V 3W)
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.
2W-series 2-way direct acting(NC)specification table
(ES coil can match EPDM and VITON, but medium temperature must be ≤80℃)
| Interface size | Orifice size (mm) | Cv | working pressure(bar) | medium temperature ℃ | sealing material | coil insulation degree | coil power | normal order code |
| min pressure | max pressure pressure | Normal coil | Es coil | plastic seal voltage 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 | SS316 |
| 1/8〃 | 2.5 | 0.2 | 0 | 15 | 15 | 80 | NBR | H | 22 | 13 | 3 | 3 | 2W-025-06N-AC220V | 2W-025-06JN-AC220V |
| 2.5 | 0.2 | 0 | 15 | 15 | 130 | EPDM | H | 22 | 13 | | | 2W-025-06N-E-AC220V | 2W-025-06JN-E-AC220V |
| 2.5 | 0.2 | 0 | 15 | 15 | 120 | VITON | H | 22 | 13 | | | 2W-025-06N-V-AC220V | 2W-025-06JN-V-AC220V |
| 3.0 | 0.25 | 0 | 12 | 12 | 80 | NBR | H | 22 | 13 | 3 | 3 | 2W-030-06N-AC220V | 2W-030-06JN-AC220V |
| 3.0 | 0.25 | 0 | 12 | 12 | 130 | EPDM | H | 22 | 13 | | | 2W-030-06N-E-AC220V | 2W-030-06JN-E-AC220V |
| 3.0 | 0.25 | 0 | 12 | 12 | 120 | VITON | H | 22 | 13 | | | 2W-030-06N-V-AC220V | 2W-030-06JN-V-AC220V |
| 4.0 | 0.3 | 0 | 8 | 5 | 80 | NBR | H | 22 | 13 | 3 | 3 | 2W-040-06N-AC220V | 2W-040-06JN-AC220V |
| 4.0 | 0.3 | 0 | 8 | 5 | 130 | EPDM | H | 22 | 13 | | | 2W-040-06N-E-AC220V | 2W-040-06JN-E-AC220V |
| 4.0 | 0.3 | 0 | 8 | 5 | 120 | VITON | H | 22 | 13 | | | 2W-040-06N-V-AC220V | 2W-040-06JN-V-AC220V |
| 1/4〃 | 2.5 | 0.2 | 0 | 15 | 15 | 80 | NBR | H | 22 | 13 | 3 | 3 | 2W-025-08N-AC220V | 2W-025-08JN-AC220V |
| 2.5 | 0.2 | 0 | 15 | 15 | 130 | EPDM | H | 22 | 13 | | | 2W-025-08N-E-AC220V | 2W-025-08JN-E-AC220V |
| 2.5 | 0.2 | 0 | 15 | 15 | 120 | VITON | H | 22 | 13 | | | 2W-025-08N-V-AC220V | 2W-025-08JN-V-AC220V |
| 3.0 | 0.25 | 0 | 12 | 12 | 80 | NBR | H | 22 | 13 | 3 | 3 | 2W-030-08N-AC220V | 2W-030-08JN-AC220V |
| 3.0 | 0.25 | 0 | 12 | 12 | 130 | EPDM | H | 22 | 13 | | | 2W-030-08N-E-AC220V | 2W-030-08JN-E-AC220V |
| 3.0 | 0.25 | 0 | 12 | 12 | 120 | VITON | H | 22 | 13 | | | 2W-030-08N-V-AC220V | 2W-030-08JN-V-AC220V |
| 4.0 | 0.3 | 0 | 8 | 5 | 80 | NBR | H | 22 | 13 | 3 | 3 | 2W-040-08N-AC220V | 2W-040-08JN-AC220V |
| 4.0 | 0.3 | 0 | 8 | 5 | 130 | EPDM | H | 22 | 13 | | | 2W-040-08N-E-AC220V | 2W-040-08JN-E-AC220V |
| 4.0 | 0.3 | 0 | 8 | 5 | 120 | VITON | H | 22 | 13 | | | 2W-040-08N-V-AC220V | 2W-040-08JN-V-AC220V |
| 1/4〃 | 5.0 | 0.4 | 0 | 5 | 3 | 80 | NBR | H | 22 | 13 | 3 | 3 | 2W-050-08N-AC220V | 2W-050-08JN-AC220V |
| 5.0 | 0.4 | 0 | 5 | 3 | 130 | EPDM | H | 22 | 13 | | | 2W-050-08N-E-AC220V | 2W-050-08JN-E-AC220V |
| 5.0 | 0.4 | 0 | 5 | 3 | 120 | VITON | H | 22 | 13 | | | 2W-050-08N-V-AC220V | 2W-050-08JN-V-AC220V |
| 6.0 | 0.7 | 0 | 4 | 3 | 80 | NBR | H | 22 | 13 | 3 | 3 | 2W-060-08N-AC220V | 2W-060-08JN-AC220V |
| 6.0 | 0.7 | 0 | 4 | 3 | 130 | EPDM | H | 22 | 13 | | | 2W-060-08N-E-AC220V | 2W-060-08JN-E-AC220V |
| 6.0 | 0.7 | 0 | 4 | 3 | 120 | VITON | H | 22 | 13 | | | 2W-060-08N-V-AC220V | 2W-060-08JN-V-AC220V |
| 3/8〃 | 4.0 | 0.3 | 0 | 8 | 5 | 80 | NBR | H | 22 | 13 | 3 | 3 | 2W-040-10N-AC220V | 2W-040-10JN-AC220V |
| 4.0 | 0.3 | 0 | 8 | 5 | 130 | EPDM | H | 22 | 13 | | | 2W-040-10N-E-AC220V | 2W-040-10JN-E-AC220V |
| 4.0 | 0.3 | 0 | 8 | 5 | 120 | VITON | H | 22 | 13 | | | 2W-040-10N-V-AC220V | 2W-040-10JN-V-AC220V |
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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