Product Details
ZW series 2-way semi direct acting normally open water air solenoid
valve
working medium:water,liquid,air,light oil(viscosity≤20cst)
medium temperature:-5 ~ 80℃
working pressure:0 ~ 6 bar
working type:semi direct acting(NO)
valvebody material:forged brass SS304
sealing material:NBR
interface:G thread NPT thread
working voltage:AC220~240V AC110V 50/60Hz DC24/12V IP65 H degree
DN10~20 AC 28VA DC 18W DN25~50 AC 45VA DC 31W
options:EPDM(-10~130℃)
VITON(-10~120℃)
Rc thread Es low power energy saving coil lead wire iron coil

ZW-series(NO)solenoid valve specification table
model | orifice size ( mm ) | interface size | Cv | working pressure (bar | length×width×height ( mm ) | Weight (Kg) |
AC220V | DC24V | brass | SS304 |
ZW-10NK | 15 | 3/8" | 3.5 | 0~6 | 0~6 | 60×45×109 | 0.75 | 0.7 |
ZW-15NK | 15 | 1/2" | 3.5 | 0~6 | 0~6 | 60×45×109 | 0.75 | 0.7 |
ZW-20NK | 20 | 3/4" | 7.6 | 0~6 | 0~6 | 67×50×119 | 0.8 | 0.75 |
ZW-25NK | 25 | 1" | 12 | 0~6 | 0~6 | 82×66×127 | 1.3 | 1.1 |
ZW-32NK | 32 | 11/4" | 24 | 0~6 | 0~6 | 102×82×162 | 2.2 | 2.0 |
ZW-40NK | 40 | 11/2" | 29 | 0~6 | 0~6 | 110×85×168 | 2.5 | 2.3 |
ZW-50NK | 50 | 2" | 48 | 0~6 | 0~6 | 134×108×182 | 3.3 | 3.1 |
options:
EPDM(-10~130℃) VITON(-10~120℃)
Rc thread, Es low power energy saving coil, lead wire iron coil
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 40 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.

Company Profile
Yuyao No. 4 Instrument Factory
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 certified by the ISO9001:2000 and the GJB9001A-2001
military quality system, we have production license and 3C certificate for Ex-proof products, many products have passed the CE、ROHS、ACS、FDA、UL etc. international certifications. The company participated
in drafting the national safety standards for GB30439.6—2014
solenoid valve, and is authorized to manufacture customized
solenoid valves for the military products.
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 more than twenty countries and areas, such
as USA, France, UK, Germany, Italy, Australia, Russia, Taiwan, and
the middle east countries etc., and our distributors spread all
over the whole country.
The company owns high quality staff and professional R&D group,
with strict and innovative attitude, we can customize products to
cater specific requirements of customers, and provide fast-response
after-sale support. We persist in “customer-first, integrity,
human-oriented, excellence”, offering satisfied products and
service to the customers on-promise, enhancing the “Round Star”
brand.
Sincerely welcome to visit our company, looking forward to having a
nice cooperation and common development.
