Description
Crown Engineering 21735 — 2-Way Normally Closed Direct-Acting Solenoid Valve
The Crown Engineering 21735 is a direct-acting, general-service solenoid valve engineered for reliable fluid and gas control across a wide range of HVAC, industrial, and mechanical applications. With a robust brass body and NBR (Buna-N) seals, this valve delivers dependable shutoff performance for air, water, and light oil service.
Key Specifications
- Valve Type: 2-Way, Normally Closed
- Port Size: 1/8″ NPT
- Voltage: 120VAC
- Flow Coefficient: Cv = 0.35
- Air Pressure Range: 0–185 PSI
- Water Pressure Range: 0–180 PSI
- Light Oil Pressure Range: 0–120 PSI
- Operation: Direct Acting
- Body Material: Brass
- Seal Material: NBR (Nitrile Butadiene Rubber)
- Enclosure Rating: NEMA 4X with Junction Box
- Electrical Connection: Screw Terminals
Design & Construction
The brass body construction offers excellent corrosion resistance and long service life in demanding environments. NBR seals provide compatibility with air, water, and light oil media. The NEMA 4X-rated enclosure protects the solenoid coil from dust, moisture, and corrosive agents, making it suitable for both indoor and outdoor installations. The integrated junction box with screw terminals simplifies wiring and field installation.
Applications
- HVAC and building automation fluid control
- Compressed air systems
- Water and light oil shutoff and control
- General-purpose industrial process control
- OEM equipment and machinery
Why Choose Crown Engineering 21735?
Crown Engineering is a trusted name in replacement parts and fluid control components for HVAC and industrial markets. The 21735 combines broad media compatibility, a wide operating pressure range, and a weather-resistant NEMA 4X enclosure — delivering versatility and durability in a compact 1/8″ NPT package.
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