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Cast iron wafer butterfly valve with lever handle

Milwaukee Valve

Milwaukee Valve MW222B 4 in Wafer Butterfly Valve Cast Iron Buna-N Lever 200 psi

SKU CH-YPP3-QHXBB

Wafer-style cast-iron butterfly valve handles 200 psi water pressure with a Buna-N liner and lever handle

  • TypeOther
  • Wafer design fits between flanges for compact installation
  • Cast iron body rated to 200 psi water pressure
  • Buna-N liner handles 10 to 180 degrees F temperature range
  • Lever handle provides direct manual flow control
  • Ductile iron disc resists wear in demanding service

4 in Wafer Butterfly Valve

The Milwaukee Valve MW222B is a wafer-style butterfly valve built for 4 inch piping systems. Its cast iron body and ductile iron disc handle water service up to 200 psi. A Buna-N liner provides sealing across a temperature range of 10 to 180 degrees F. The lever handle allows direct manual operation for on-off or throttling duties.

Wafer installation limits

This valve mounts between two flanges using two bolt holes on a 7 1/2 inch bolt circle with 5/8-11 lug threads. The wafer pattern requires compatible flange faces and accurate bolt alignment to prevent liner damage. Maximum working pressure is 200 psi, so system design must not exceed this rating. ABS standards compliance is noted for the valve construction.

Pre-order checks

Verify that your pipeline operates within the 10 to 180 degrees F range and that the fluid is compatible with Buna-N material. Confirm flange dimensions match the 7 1/2 inch bolt circle and 5/8-11 thread specification. Ensure the 4 inch nominal pipe size corresponds to your existing piping. Buyers needing a different pressure class, liner material or actuation method should select another model.

Highlights

  • Wafer design fits between flanges for compact installation
  • Cast iron body rated to 200 psi water pressure
  • Buna-N liner handles 10 to 180 degrees F temperature range
  • Lever handle provides direct manual flow control
  • Ductile iron disc resists wear in demanding service

Specifications

BrandMILWAUKEE VALVE
TypeOther

Questions about this item

Should I choose the lever handle or another operator type?

This valve comes with a lever handle only; the supplier data lists no alternative operator.

What does the 200 psi rating mean once the valve is installed?

It is the maximum water pressure the valve can handle at 10 to 180 °F with the Buna-N liner.

Which flange standard does the 7 1/2 in bolt circle follow?

The bolt circle matches ABS standards for 4 inch wafer connections.

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