CBL Hot Water Boiler Dual Control Valve
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All bronze construction, inbuilt stainless steel strainer screen, neoprene and bronze diaphragms, brass
and an inbuilt bypass for rapid filling, high pressure tests and system purging. Reduced pressure setting
of 14 psi and relief setting of 30 psi for two-story buildings; slightly higher setting for 3-, 4- or 5-story
buildings. Maximum inlet working pressure is 100 psi. Combines a pressure reducing and regulating
valve, positive relief valve and bypass valve into one compact unit.
NOTE: FOR BACKFLOW PREVENTION OF BOILER WATER INTO THE POTABLE WATER SUPPLY LINE,
INSTALL A BFP VALVE.
Applications:
Boiler water supply lines. To assure automatic filling and maintain boiler pressure between 14 and 30
psi.
Sizes:
1/2"

Bronze body features large unrestricted waterways, special heat resistant composition diaphragms,
silicone relief seat and an easy to clean inbuilt stainless steel strainer. All units have a test lever and an
inbuilt check valve to prevent backflow. Provides pressure control and protection from thermal expansion.
NOTE: THE RELIEF SECTION OF ALL CASH ACME DUAL CONTROLS IS FOR THERMAL EXPANSION
ONLY. FOR PROPER PRESSURE RELIEF PROTECTION, THE BOILER MUST ALSO BE PROVIDED WITH
A PROPERLY SIZED ASME-RATED RELIEF VALVE.
Applications:
Designed for hot water space heating installations.
Sizes:
1/2"
CR Dual Control Valve for Hot Water Space Heating Boilers
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Plumbing Heating & Industrial Valves and Controls
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Balanced piston for closer outlet pressure control regardless of variations in inlet pressure and a rapid fill
feature with an improved larger seat for higher capacities and quicker fill. Has an iron body, brass internal
parts on the regulator, special heat resistant composition diaphragm and O-rings, brass strainer screen,
and stainless steel springs. Relief valve has bronze body, silicone seat disc and stainless steel spring.
NOTE: THE RELIEF SECTION OF ALL CASH ACME DUAL CONTROLS IS FOR THERMAL EXPANSION
ONLY. FOR PROPER PRESSURE RELIEF PROTECTION, THE BOILER MUST ALSO BE PROVIDED WITH
A PROPERLY SIZED ASME-RATED RELIEF VALVE.
Applications:
Designed for hot water space heating installations, the CR Series valve is suitable for 1-, 2- or 3-story
buildings without adjustment.
Sizes:
1/2"
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