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When the Outlet Pressure Gauge Shows that the Downstream Pressure...
Open Air Bleeder at the Top of the Valve

Open Both Shut-Off Valves on the Control Assembly
Open Air Bleeder at the Top of the Valve

Compact Design of Valves Flexibly Accommodates Various Types of Flange
The Valves can be Fitted in any Plane Direction in

Stronger, Lighter & Smaller Than Conventional Swing Check Valves, Hence
The Valves can be Fitted in any Plane Direction in


Polyoxymethylene Seat Minimize Lime Scale Formation
Aerodynamic Seat Providing Zero Pressure Loss

Very Low Head Loss
Double Plate with Return Spring Closing System

Open Main Line Shut-Off Valve on the Outlet Side of
Slowly Open Main Line Shut-Off Valve on the Inlet Side

When the Outlet Pressure Gauge Shows that the Downstream Pressure...
Install Pressure Gauges for Inlet & Outlet

Open Air Bleeder at the Top of the Valve
Open Both Shut-Off Valves on the Control Assembly

Open Air Bleeder at the Top of the Valve
Slowly Open Main Line Shut-Off Valve on the Inlet Side

Open Both Shut-Off Valves on the Control Assembly
Slowly Open Main Line Shut-Off Valve on the Inlet Side

Slowly Open Main Line Shut-Off Valve on the Inlet Side
When the Outlet Pressure Gauge Shows that the Downstream Pressure...

Slowly Open Main Line Shut-Off Valve on the Inlet Side
Open Main Line Shut-Off Valve on the Outlet Side of

Open Main Line Shut-Off Valve on the Outlet Side of
Open Both Shut-Off Valves on the Control Assembly

Swing Check Type Design
Long Service Life with Minimum Head Loss

Very Low Head Loss
Double Plate with Return Spring Closing System

Forged Brass CW617N Pencil Slim Deign
Polyoxymethylene Seat Minimize Lime Scale Formation

Aerodynamic Seat Providing Zero Pressure Loss
Polyoxymethylene Seat Minimize Lime Scale Formation

Forged Brass CW617N Pencil Slim Deign
Aerodynamic Seat Providing Zero Pressure Loss

Polyoxymethylene Seat Minimize Lime Scale Formation
Forged Brass CW617N Pencil Slim Deign



Double Plate with Return Spring Closing System
Very Low Head Loss


Rigid & Sturdy Design with Minimum Head Loss
Swing Check Type Design

Swing Check Type Design
Rigid & Sturdy Design with Minimum Head Loss

Minimum Occupation of Space
Very Low Head Loss


Double Plate with Return Spring Closing System
Very Low Head Loss

Long Service Life with Minimum Head Loss
Rigid & Sturdy Design with Minimum Head Loss

Swing Check Type Design
Long Service Life with Minimum Head Loss

Rigid & Sturdy Design with Minimum Head Loss
Long Service Life with Minimum Head Loss

Very Low Head Loss
Minimum Occupation of Space

Rigid & Sturdy Design with Minimum Head Loss
Swing Check Type Design

Minimum Occupation of Space
Very Low Head Loss

Double Plate with Return Spring Closing System
Minimum Occupation of Space

Long Service Life with Minimum Head Loss
Swing Check Type Design

Rigid & Sturdy Design with Minimum Head Loss
Swing Check Type Design

Minimum Occupation of Space
Very Low Head Loss
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