QR-3T & QR-3T-2

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General Specifications

• Standard with NEMA 1 Coil Enclosure
• -2 indicates NEMA 4 Water Tight, NEMA 5 Dust tight & NEMA 7 Explosion proof Coil Enclosure for Hazardous Locations: Class I Group D; Class II Groups E, F & G
• General Purpose Valves
• Normally Open (Energize to Close)
• 2-Way – Internal Piston-Pilot Operated
• Packless
• Full Ported
• Bronze Body
• Teflon® Leakproof seat provides Positive Shutoff

SERVICE RATINGS

• Pipe Sizes Available: 1/8”, 1/4”, 3/8”, 1/2”, 3/4”, 1”, 1¼”, 1½”, 2”, 2 1/2″, 3″ NPT (Specify)
• Media:
  • Air
  • Water
  • Aqueous Liquids
  • Inert Gases & other non-volatile – non-corrosive fluids
  • Oils to 400 SSU or 30 SAE
• Pressure Range: 5-150 psi  OR 10-300 psi
  • For optimal valve operation, specify your actual pressure range.  A minimum pressure drop of 5 or 10 psi (ΔP) is needed for proper operation.

Select the Maximum Pressure Rating closest to but not exceeding the actual pressure under which the valve will operate (Example: offered ranges are 5-150 psi or 10-300 psi. Your water application has a Maximum Pressure of 120 psi > pick the 5-150 psi rated valve.

For more details Consult our Valve Specialists @ 800.634.6853

• Rated Fluid Temperature Range: -40° F to +300° F
• Voltages Available (Please Specify):
  • 12, 24, 120, 240, 480 VAC  50-60Hz 14 Watts Max
  • 6, 12, 24, 48, 115, 230 VDC 24 Watts Max
• Coil Specifications:
  • NEMA Type 1 Standard Coil Enclosure – Continuous Duty Polyester, Thermoset Epoxy Molded with 18” Leads and ½” Conduit Connector Insulation: Class F (3000°F Maximum Fluid Temp @ 77°F Ambient)
  • -2 indicates NEMA 4 Water Tight, NEMA 5 Dust tight & NEMA 7 Explosion proof Coil Enclosure for Hazardous Locations: Class I Group D; Class II Groups E, F & G
• Insulation: Class F (300°F Maximum Fluid Temp )

Valve Construction

• GLOBE BODIES are Sand Cast Bronze – Max Rated Pressure: WSP 200 – WOG 400
• BONNET ASSEMBLIES are 304 Stainless Steel (SS) Tubes with Brass Tube Plugs Silver-soldered to a Brass Bonnet. BONNET O-RING is Buna.
• PISTON ASSEMBLY is Brass or Bronze with a Brass SEAT SCREW and a Teflon® Insert. 316SS EXPANDER RINGS behind Glass & Moly-Filled Teflon® PISTON RINGS plus Buna SEAT DISC and a Brass or Bronze GUIDE NUT.
• PILOT VALVE ASSEMBLY has a 430FRSS ARMATURE with a 303SS PILOT POINT and 316SS PINS. PISTON SPRING is 302SS.

MOUNTING & SERVICE

• Installation: Valves must be mounted in horizontal pipe with coil vertical, upright and on top. A 40–mesh inline strainer is recommended ahead of the valve.
• Maintenance: As with any piece of equipment, reasonable inspection and maintenance of components should be periodically performed. Frequently check operation, cleanliness and internal wear. Any questions, consult factory.

NOTE: Gould Solenoid Valves are designed for Industrial–Commercial applications. Residential/Consumer applications will void the warranty. Questions ~ Call our Experts.