MPI McWane – Mud Valves
MPIs NRS style ductile iron/stainless steel mud valves are designed primarily for use in settling tanks of water and wastewater treatment plants. They are available in both ductile iron and stainless steel bodies.
PRODUCT DESCRIPTION:
GENERAL
The Mud Valve shall be of the heavy-duty flanged type designed to provide a positive seal. The valves shall be non-rising stem style with a single piece frame. The frame, plug, and stem cap shall be ductile iron ASTM A536 70-50-5, or stainless steel ASTM A276. The valve operating stem shall be stainless steel ASTM A276.
VALVE FRAME
The valve frame shall be single piece construction.
VALVE STEM
The valve stem shall be machined stainless steel material A276.
VALVE PLUG
The plug seat shall be a seamless molded, tapered resilient ring of BUNA-N, designed to accurately mate with the seat ring for a positive seal.
VALVE GASKET
The mud valve gasket shall be Buna-N ASTM D2000.
VALVE OPERATION
The mud valve shall be operated by a 2” square operating nut and open by turning left.
VALVE HARDWARE
The mud valve hardware shall be stainless steel ASTM A276.
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