True Union
Asahi/America Duo-BlocĀ® Type 21 thermoplastic ball valve packaged with Series 79 Air to Spring (Fail Return) Pneumatic Actuator. Features include: Glass-filled polyamide housing for a high degree of corrosion resistance. Position indication through visible indicator knob. Double rack and pinion design. Units can be configured to fail-closed or fail-open.
Asahi/America Duo-BlocĀ® Type 21 thermoplastic ball valve packaged with Series 92 Electric Actuator. Features include: 120 VAC, Open/Close - 5 second cycle time, NEMA 4X epoxy powder coated aluminum housing with stainless steel trim. Auxiliary limit switches available, manual override standard - mounted and tested.Torque range 400 to 700 in-lbs. Duty cycle - 1/2" thru 2" (100%) 2-1/2" thru 3" (75%)
Asahi/America Duo-BlocĀ® Type 21 thermoplastic ball valve packaged with Series 92 Electric Actuator. Features include: 120 VAC, Open/Close - 5 second cycle time, NEMA 4X epoxy powder coated aluminum housing with stainless steel trim. Auxiliary limit switches available, manual override standard - mounted and tested.Torque range 400 to 700 in-lbs. Duty cycle - 1/2" thru 2" (100%) 2-1/2" thru 3" (75%)
The True Union feature, an exclusive ChemtrolĀ® introduction over twenty years ago, has become an industry standard. Coupled with its other features, the ChemtrolĀ® Tru-Blocā¢. True Union Ball Valve adds up to great versatility and significant savings in operating and maintenance costs. ChemtrolĀ® Tru-Blocā¢ True Union Ball Valveās heavy-duty stub-acme thread-seal carrier retaining ring provides more reliability than other designs. Double-block design stops flow in either direction - upstream and downstream - when the alternate union is removed for servicing of the system.
The True Union feature, an exclusive ChemtrolĀ® introduction over twenty years ago, has become an industry standard. Coupled with its other features, the ChemtrolĀ® Tru-Blocā¢. True Union Ball Valve adds up to great versatility and significant savings in operating and maintenance costs. ChemtrolĀ® Tru-Blocā¢ True Union Ball Valveās heavy-duty stub-acme thread-seal carrier retaining ring provides more reliability than other designs. Double-block design stops flow in either direction - upstream and downstream - when the alternate union is removed for servicing of the system.