Velvetrol® Internal Piston Pilot Operated Solenoid Valves
Normally Closed Or Normally Open - Full Port
For: General Service air-water-steam-inert gases- corrosive fluids (consult factory)
Pressure: 5 psi differential minimum to 1000 psi maximum (300 psi max for normally open)
Temperature: -420°F to 450°F
Mounting - Install in horizontal line with coil upright and on top
Sizing
1/8" - 2" NPTF Connections
Construction
Class F or N coils are waterproof, fungus proof, molded of filled polyester with 18" leads in NEMA 1 enclosures with 1/2" conduit connector.
Bodies are globe style, investment cast in CF8M stainless steel, and rated to 1000 psi.
Bonnet assemblies are 304 SS tubes welded to 303 SS Bonnet and Tube Plug.
Piston Assemblies contain 303 SS SeatScrews in the 303 SS Piston with Filled Teflon™ Piston Rings and 316 SS Expanders. Teflon™ Seat Discs held in place by 303 SS DiscScrews or CF8M GuideNuts. Piston Springs are 316 SS.
Pilot assemblies are 416 SS Armature with a 316 SS Pilot Point and 316 SS pins.
Specials
Buna, EP, Viton® and Teflon™ Leak-proof SeatScrews Teflon™
Buna, EP, and Viton® Seat Discs
coated internal parts & other special assemblies
Flange, or socket weld connections
Non-standard coils with voltage, wattage, and lead wire length to your specifications