Overview
The ASCO EFHT8344G074 is a heavy-duty 4-way solenoid valve from ASCO’s Red Hat II and 8344 series. This packless, solenoid pilot-controlled valve features forged brass valve bodies and poppet-type main discs, making it a reliable choice for industrial fluid control systems requiring pneumatic or hydraulic actuation.
Key Features
- 4-Way Configuration: 4-Way function for controlling double-acting cylinders and complex pneumatic circuits
- Brass Construction: Durable brass construction with 1/2″ NPT connection for secure installation and corrosion resistance
- Pilot-Operated Design: Main discs powered by line pressure in both directions; no return springs required
- Nitrile Rubber Seals: Nitrile rubber seal provides excellent resistance to wear and corrosion
- Explosion-Proof Enclosure: Explosion-proof (EF) enclosure rated for hazardous locations
- Flexible Installation: Mountable in any position without performance loss
Technical Specifications
- Valve Type: 4-Way, Pilot-Operated Poppet
- Port Size: 1/2″ NPT
- Operating Pressure (Air): 150 PSI
- Operating Pressure (Water): 125 PSI
- Orifice Size: 3/8″
- Coil Voltage: 120V AC (60 Hz)
- Coil Power: 10.1W
- Body Material: Forged Brass
- Seal Material: Nitrile Rubber (NBR)
- Enclosure Rating: Explosion-Proof (NEMA 7)
- Minimum Pressure Differential: 10 PSI
- Compatible Model: EFHT8344G074, EF8344G074
Typical Applications
Air, inert gas, water or light oil use in analytical and diagnostic instruments, biofuels, heating equipment, life science production, and refining. This valve excels in industrial machinery automation, pneumatic systems requiring precise flow control, and applications demanding reliable directional control for double-acting cylinders.
Compatibility & Replacements
Compatible With
- Double-acting pneumatic and hydraulic cylinders
- Air, inert gases, water, and light oils (up to 300 SSU viscosity)
- Standard 1/2″ NPT piping and fittings
- Industrial power systems (120V AC, 60 Hz)
- Hazardous location installations (NEMA 7-rated)
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. Common ASCO 8344 series variants include EF8344G074, EF8344G074MO, and related pilot-operated models.
Works With
- Manual override feature for emergency operation
- Standard pneumatic/hydraulic hose and tubing
- Industrial 120V AC control circuits
- Proportional and directional control systems
