Ball Valve with Check Valve, R / R Thread, CB4 Type

Ball Valve with Check Valve, R / R Thread, CB4 Type

This product is integrated with a built-in check valve to save space. The IN-side thread (on the main body side) is connectable to flexible piping.

· The built-in check valve design requires only ≤ 1/3 of normal plumbing space in comparison to separately installed check valves and other valves.
· Easy to install piping, even to thin water heaters. The handle can also be removed for easy installation of pipes and heat insulation.
· Can be connected directly with flexible pipe couplings.
· The handle length is adjustable. Therefore, a single handle can be used adjusted to standard or long length.
· Single-touch detachable for easy uninstallation.
· By comparing the flow-rates of dedicated in-built check valves with a nominal diameter of 3/4" (20 mm) with check valves of nominal diameter 1/2" (13 mm), the flow-rate of the built-in check valves is 40% higher (manufacturer's comparison).


Japanese Only

Part Number

Configured Part Number is shown.

Part Number
Part NumberVolume DiscountDays to ShipBall Valve Type Supply Side, Nominal Designation of Piping Thread Denomination B(Denomination A) Control Side Naminal Pipe Threads B name (A name)
5 Day(s) or more Standard bore[1/2B] 1/2B(15A)[1/2B] 1/2B(15A)
5 Day(s) or more Reduced Bore3/4B(20A)3/4B(20A)


  1. 1

Basic Information

Main Body Shape Straight Material C3771BE Applicable Fluid Water
Supply Side, Connection Type R Screws Control Side, Connection Type R Screws Handle Shape Adjustable Length T-shaped Handle
Operation Method Manual Max. Operating Pressure(MPa) 1.0 Valve Supply Side / Control Side Swapping Not Applicable
Number of Sales Unit 1

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