WRAS approved, this Midland Brass 15mm check valve is made of tough DZR brass.  A check valve, sometimes called a non-return valve, is designed to ensure that liquid or gas fluid flows in only one direction, depending on flow and velocity to close automatically, preventing backflow.

@ MIDBRASS DOUBLE CHECK VALVE DZR   15MM

This JET Range DZR copper x copper double check valve, which includes BSP female x BSP male 22mm connections, is designed to ensure that liquid or gas fluid flows in only one direction, depending on flow and velocity to close automatically, preventing backflow.

JET Range DZR DZR copper x copper double check valve 22mm

Made of reliable DZR brass, this Midland Brass 28mm check valve is designed for spanner operation.  A check valve, sometimes called a non-return valve, is designed to ensure that liquid or gas fluid flows in only one direction, depending on flow and velocity to close automatically, preventing backflow.

MIDBRASS DOUBLE CHECK VALVE DZR     28MM

Made of DZR brass, this Midland Brass 15mm check valve is designed for spanner operation.  A check valve, sometimes called a non-return valve, is designed to ensure that liquid or gas fluid flows in only one direction, depending on flow and velocity to close automatically, preventing backflow.

@ NAVIGATOR DOUBLE CHECK VALVE DZR 15MM

Made of DZR brass, this Midland Brass 22mm check valve is designed for spanner operation.  A check valve, sometimes called a non-return valve, is designed to ensure that liquid or gas fluid flows in only one direction, depending on flow and velocity to close automatically, preventing backflow.

NAVIGATOR DOUBLE CHECK VALVE DZR    22MM

Made of reliable DZR brass, this Midland Brass 22mm check valve is designed for spanner operation.  A check valve, sometimes called a non-return valve, is designed to ensure that liquid or gas fluid flows in only one direction, depending on flow and velocity to close automatically, preventing backflow.

@ MIDBRASS DOUBLE CHECK VALVE DZR   22MM

This JET Range DZR copper x copper double check valve, which includes BSP female x BSP male 32mm connections, is designed to ensure that liquid or gas fluid flows in only one direction, depending on flow and velocity to close automatically, preventing backflow.

JET Range DZR DZR copper x copper double check valve 32mm

This JET Range DZR copper x copper double check valve, which includes BSP female x BSP male 50mm connections, is designed to ensure that liquid or gas fluid flows in only one direction, depending on flow and velocity to close automatically, preventing backflow.

JET Range DZR DZR copper x copper double check valve 50mm

MIDBRASS C/P DOUBLE CHECK VALVE DZR 15MM

This JET Range DZR copper x copper double check valve, which includes BSP female x BSP male 40mm connections, is designed to ensure that liquid or gas fluid flows in only one direction, depending on flow and velocity to close automatically, preventing backflow.

JET Range DZR DZR copper x copper double check valve 40mm

This JET Range DZR copper x copper double check valve, which includes BSP female x BSP male 28mm connections, is designed to ensure that liquid or gas fluid flows in only one direction, depending on flow and velocity to close automatically, preventing backflow.

JET Range DZR DZR copper x copper double check valve 28mm

This JET Range DZR copper x copper double check valve, which includes BSP female x BSP male 15mm connections, is designed to ensure that liquid or gas fluid flows in only one direction, depending on flow and velocity to close automatically, preventing backflow.

JET Range DZR DZR copper x copper double check valve 15mm

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Double Check Valve