J-D-Gould - Model M4-3V -Normally Close Valves

• Bronze · 1/8″ – 2″ npt
• Normally Closed
• Viton Leak Proof Seats
• Air/Water · Inert Gas · Light Oils
• 5-125psi OR 10-250psi
• Media temps to 250°
• NEMA 4X Watertight Coil Standard
• All Voltages Available

SERVICE RATINGS

• Pipe Sizes Available: 1/8”, 1/4”, 3/8”, 1/2”, 3/4”, 1”, 1¼”, 1½”, 2” NPT (Must Specify)
• Media:
  • Water
  • Air
  • Inert Gases
  • Light Oils (Max Viscosity – 15W SAE, 225 SSU) & other non-volatile; non-corrosive fluids
• Pressure Range: 5 – 125 psi OR 10-250 psi
  • Minimum pressure drop of 5 or 10 psi (ΔP) required for proper operation. For optimal valve operation, specify your actual pressure range.

• Rated Fluid Temperature Range: -40° F to +220° F
• Voltages Available (Must Specify):
  • 12, 24, 120, 240, 480 VAC  50-60Hz  26 Watts Max
  • 6, 12, 24, 48, 115, 230 VDC              24 Watts Max
• Coil Specifications: NEMA 4X  Waterproof Corrosion Resistant Coil – Continuous Duty Polyester, Thermoset Epoxy Molded with 18” Leads and ½” Conduit Connector
• Insulation: Class H  (220°F Maximum Fluid Temp @ 77°F Ambient)

Valve Construction

• GLOBE BODIES are Sand Cast Bronze – Max Rated Pressure: WSP 200 – WOG 400
• BONNET ASSEMBLIES are 304 SS Tubes with Brass Tube Plugs Silver-soldered to a Brass Bonnet. BONNET O-RING is Buna.
• PISTON ASSEMBLIES are Brass with Brass SEAT SCREWS with a Viton® Insert and 316SS EXPANDER RINGS behind Glass & Moly-Filled Teflon® PISTON RINGS plus Buna SEAT DISC and Brass or Bronze GUIDE NUT.
• PILOT VALVE ASSEMBLY is 416SS and 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.

General Specifications

• General Purpose Valves
• Internal Piston-Pilot Operated
• 2-Way
• Full Ported
• Packless
• Bronze Body
• Normally Closed (Energize to Open)
• Viton® Leakproof for Positive Shutoff
• Pressures to 250 psi