U.S. Solid normally closed (N/C) electric solenoid valve is constructed with a Nylon, engineering plastic body, one-quarter inch (1/4") female threaded (NPT) connections, and nitrile rubber (NBR) seals. Suitable for use w...

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Product Review

U.S. Solid normally closed (N/C) electric solenoid valve is constructed with a Nylon, engineering plastic body, one-quarter inch (1/4") female threaded (NPT) connections, and nitrile rubber (NBR) seals. Suitable for use with hot or cold water, gas, air, oils, very low viscosity fluids (< 20 cst), etc.

Customers chose this general purpose valve for: do-it-yourself projects, moderate temperature applications, water exchange for aquarium, air horn, or bleeding moisture from an air tank.

Brand: U.S. Solid

Model: USS2-00050

Size: 1/4"

Flow Aperture: 2.5 mm

Body Material: Nylon engineering plastic

Gasket / Diaphragm / Seal: NBR

Rated voltage: AC 110 V, ± 10%

Current: 0.036 A

Power rating: 4 VA

Operation Type: Direct Lift Valve

Operation Mode: Normally Closed

Operational pressure range: 0 to 101 PSI / 0-0.7 Mpa (for Air, Water); 0 to 72 PSI / 0-0.5 Mpa (for Oil)

Flow capacity: 0.23 gallons per minute (GPM) of water at 60oF with a pressure drop of 1 PSI

Flow value: 0.23 Cv

Minimum operational temperature: 23 degrees Fahrenheit (-5 degrees Celsius)

Maximum operational temperature: 176 degrees Fahrenheit (80 degrees Celsius)

Suitable Media: Air, water, oil, natural gas, etc. Can not be used in strong acid, strong base, waste water, industrial gas and other media containing many impurities.

Valve is not intended to be energized continuously for more than 8 hours. This can lead to burnout of the coil, and malfunctioning of the valve.

Manufactured in China. Quality assurance and/or conformity managed in accordance with standards:

ISO 9001:2000; GB/T 19001:2000; European EN61000-6-1:2001 and EN61000-6-3:2001.



  • Exceptional Durability and Reliability: Engineered with a robust nylon engineering plastic body, the U.S. Solid normally closed electric solenoid valve guarantees long-lasting performance in demanding applications.
  • Versatile Fluid Compatibility: Designed for use with a wide range of substances including hot or cold water, gas, air, low viscosity fluids, oils, and hydrocarbons such as gasoline, kerosene, and diesel fuel, catering to diverse industrial and residential needs.
  • Precision Engineering for Secure Sealing: Boasting two-way inlet and outlet ports with 1/4" female threaded (NPT) connections and NBR seals that are heat and oil resistant, ensuring leak-proof connections and operational efficiency.
  • Advanced Water Resistance: With an IP65 rating, this solenoid valve can withstand water spray, making it suitable for various environments; outdoor installations may benefit from protective housing for long-term use.
  • Preferred by Discerning Customers: Chosen for its versatility in do-it-yourself projects, moderate temperature applications, water exchange in aquariums, air horn installations, and effective moisture bleeding from air tanks, reflecting its adaptability and reliability in diverse settings.

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