Solenoid Valves
Source solenoid valves from India's verified manufacturers and exporters on Himalay. Browse 2-way solenoid valves, 3-way solenoid valves, 4-way solenoid valves, direct acting solenoid valves and pilot operated solenoid valves for industrial and export applications.
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About Solenoid Valves
Solenoid valves across 5,376 listed configurations — 2/2-way normally closed and normally open, 3/2-way, DN8 to DN50, with NBR, FKM, EPDM or PTFE seals. Compare options and submit an RFQ.
Solenoid valves are electrically operated valves in which a coil moves a plunger to open or close a small orifice, either directly or by piloting line pressure through a diaphragm. They are the standard interface between a control system and a fluid line: fast, compact, and switched by a simple electrical signal rather than a mechanical operator. Himalay lists solenoid valves in three functional configurations: 2/2-way normally closed, 2/2-way normally open, and 3/2-way for diverting or venting duty. The catalogue spans 5,376 configurations from DN8 to DN50, rated 1000 WOG. Actuation is direct-acting, where the coil moves the seat itself, or pilot-operated, where line pressure does the work and a minimum differential is required to hold the valve open. Direct-acting is listed only at DN8, DN10 and DN15; every listed configuration above DN15 is pilot-operated. Bodies are brass (CW617N), SS316 or SS304 machined from bar (A479), and aluminium (LM6/A413); internal parts use an SS430 core in an SS304 tube. Seal materials are NBR, FKM (Viton), EPDM and PTFE, selected against the medium. End connections are threaded across the range. Coils are listed in 230 V AC 50 Hz, 110 V AC 50/60 Hz, 24 V DC and 12 V DC, with enclosures rated IP65 standard, IP67 weatherproof, or flameproof Ex d IIC for hazardous areas. Design and coil-enclosure references follow EN 161 — the European standard for automatic shut-off valves on gas burners and gas appliances, covering inlet pressures to 500 kPa and sizes to DN 250 — with protection degree declared per IEC 60529. State the medium, line pressure and differential, coil voltage, enclosure rating and area classification in your enquiry.
Specifying Solenoid Valves: Function, Actuation, Coil and Seal
Four decisions, in order
A solenoid valve specification resolves in this sequence: function (how many ports, what the de-energised state is), actuation (direct or pilot), fluid compatibility (body and seal), and electrical (voltage, enclosure, area classification). Get the first two wrong and the valve will not operate; get the second two wrong and it will not last.
Function
The catalogue lists 2/2-way normally closed, 2/2-way normally open and 3/2-way configurations. A 2/2 valve simply opens or closes one line. A 3/2 valve switches between two paths or vents the outlet to atmosphere — which is what makes it the standard pilot for single-acting pneumatic actuators. The de-energised state is a safety decision, not a convenience: state which position the process must fall to on power loss.
Actuation and the differential trap
Direct-acting valves need no pressure differential and work down to zero; pilot-operated valves borrow line pressure to move a diaphragm, which is why they can serve larger orifices on modest coils — and why they stall if the line differential drops below the maker's stated minimum. In the listed range this maps directly to size: direct-acting is available only at DN8–DN15; DN20 and above is pilot-operated throughout. Dead-headed lines, vacuum service and gravity-fed tanks are where this bites.
Size and rating
Listed sizes run DN8 to DN50 across 5,376 configurations, at a 1000 WOG rating. End connections are threaded throughout — there is no flanged solenoid option in the listed range. Note that WOG (water-oil-gas) is a cold-working-pressure rating, so the working limit falls as temperature rises.
Body and internals
Brass CW617N covers general water, air and oil duty; SS316 and SS304 bar (A479) serve corrosive, hygienic and washdown environments; aluminium LM6/A413 addresses weight-sensitive air service. Internals across the listed range use an SS430 magnetic core in an SS304 tube.
Seals against media
NBR, EPDM, FKM and PTFE are the listed seal materials. The standard traps: EPDM is excellent on hot water and steam but is attacked by petroleum oils; NBR is the reverse; FKM handles hydrocarbons and heat but is poor on hot water and steam; PTFE gives the widest chemical coverage with the least resilience. Specify the medium, its concentration and its temperature — not just "chemical".
Electrical and area classification
Listed coil voltages are 230 V AC 50 Hz, 110 V AC 50/60 Hz, 24 V DC and 12 V DC. Listed enclosures are IP65 standard, IP67 weatherproof and Ex d IIC flameproof. IP codes are defined in IEC 60529 — the first digit is solids ingress, the second is water — and EN 161 requires the manufacturer to declare that degree for gas-service valves. For classified areas, the Ex marking, gas group and temperature class all belong in the enquiry, not just the phrase "explosion proof".
Gas service
EN 161 governs automatic shut-off valves for gas burners and gas appliances, covering gaseous fuels at declared maximum inlet pressures up to 500 kPa and nominal connection sizes to DN 250; its 2025 amendment clarifies application to electrically actuated valves. If the duty is fuel gas, state it explicitly — the certification path differs from general process service.
Import conformity
CE marking for the EU per the applicable directives, SABER for Saudi Arabia, ECAS for the UAE, with EN 10204 3.1 material certificates as the common EU procurement baseline.
From spec to RFQ
State: medium and temperature, line pressure and minimum differential, port configuration, de-energised state, DN, body material, seal material, coil voltage, enclosure and area classification, and destination market. Share the line schedule or control philosophy with the RFQ and the configuration is matched against the catalogue directly.
