NC, NO, diverting, selecting configurations
Suitable for most commercial/industrial gases and liquids including air, water,
hot water, low pressure steam.
•Unique twin operator & modular body
•3/8", 1/2" & 3/4" NPT ports
•5/8" or 3/4" orifice
•brass & stainless steel bodies
•nitrile, Viton, EPR seals
•stainless steel, "Long-Life" welded operators
•NEMA 4X housing standard
•available in all ac & dc voltages
•UL Recognized, CSA Certified


M21 -- 4 psi MOPD
(click here for engineering data)
B203/4" NPT Brass Normally Closed (3-4 B203)
B203/4" NPT Brass Normally Open (3-4 B204)
B203/4" NPT Brass Diverting (3-4 B205)

M20 -- Zero Pressure Differential
(click here for engineering data)
pdf1/2" NPT Stainless Steel Normally Closed (1-2 M203)
pdf1/2" NPT Stainless Steel Normally Open (1-2 M204)
pdf1/2" NPT Stainless Steel Diverting (1-2 M205)

pdf3/4" NPT Stainless Steel Normally Closed (3-4 M203)
pdf3/4" NPT Stainless Steel Normally Open (3-4 M204)
pdf3/4" NPT Stainless Steel Diverting (3-4 M205)

For quotations and application engineering:
Northeast US & Eastern Canada:  chuck.stevens@gcvalves.com
Midwest US & Central Canada:  chuck.grinston@gcvalves.com
Southeast US:  blake.young@gcvalves.com
Mountain & Northwest US:  paul.janousek@gcvalves.com
California, Nevada, Arizona:  kevintreadwell@gcvalves.com

Customer Service

     
East Coast
tel: 800-828-0484
fax: 704-588-5831
West Coast
tel: 800-582-4232
fax: 805-582-0210