MILWAUKEE VALVE 2974-M 4 Swing Check Valve, Swing, Inline Valve Body, 4 Inch Pipe Size, Flange x Flange

Milwaukee 2974-M 4 check valves are ideal for preventing backflow of fluid from wastewater lines, sump disposal lines, sewage lift stations & ejector systems. It is suitable for applications having pistons, diaphragms & metering pumps. This Milwaukee check valve has a full flow of 605 GPM.

Features:

• Milwaukee 2974-M 4 check valve has a cast iron body with a bronze seat and chrome & cobalt seal.
• It allows the single-direction flow to prevent backflow and has a flange x flange connection to attach inline to 4-inch tubes or pipes.
• It has a non-shock design for long operating life.
• This 4-inch cast iron check valve can operate in temperatures ranging from -20 to 350 degrees F.

Standards and Approvals:

• MSS-SP-71
• ASTM B16.1

Frequently Asked Questions:

Q. How to install this Milwaukee 2974-M 4 swing check valve?

A.

• Clean the piping system thoroughly before valve installation.
• Remove valve end caps & any packaging from the valve and inspect the valve ports & seating surfaces.
• Provide support to the valve to prevent unwanted stresses.
• Bolt the flange inline as per applicable recommendations using full face gaskets.
• Verify the tightness & proper installation of the valve.

Q. What are some safety points to follow while operating this Milwaukee check valve?

A.

• Install this Milwaukee swing check valve far from the pump & elbows at a minimum of 5 times the distance of the pipe diameter.
• This 4-inch flanged check valve can be mounted in both horizontal & vertical lines but may face some issues in low-pressure services.
• The Milwaukee valve's rating should match the desired service conditions.

Q.What is the pressure rating of this Milwaukee 2974-M 4 swing check valve?

A. This Milwaukee check valve has a maximum steam pressure of 125 psi WSP and maximum water pressure of 200 psi at 150 degrees F.