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SPECIALTY PRODUCTS
MV-11 Mud Valves
- Opening Diameters, 4"-36"
- Rugged Cast Iron Construction
- Stainless Steel Hardware
- Flange Type Frame
Waterman Mud Valves (Plug Drain Valves) are designed
for setting basin lines, waterworks, sewage treatment plants, and similar
industrial applications where sedimants material must be flushed from
the system. Seating Design Options: -Bronze to bronze -Neoprene to bronze
Standard Features
Seats: Bronze ASTM B-584 Alloy 844. Neoprene on Bronze, optional. Neoprene
D-2000 Grade BC 520. Bodies(frame), Covers(disc), and Yokes: high Strength
Cast Iron. ASTM A-126. Stems: Bronze. Stainless steel optional. Rising
or non-rising. Lift Nuts: Bronze. ASTM B-584 Alloy 844. Flange Drilling:
Mounts to 125 lb. ANSI Std.
Optional Items
Special Paint and Coatings Spigot Frames Drilling patterns other than
125 lb. ANSI Stem Extensions Adjustable Stem Extension Guides Indicating
Pedestals Pedestal Lifts
Typical Specifications Waterman Model MV-11 Mud Valve
Mud valves shall be of the heavy duty type with rising or non-rising stems
as provided in the schedule or on the plans. Frame, cover, yoke and stem
extension conection shall be cast iron. Stems shall be brass or stainless
steel. Lift nuts shall be bronze. On non-rising stem models the stem is
to be protected by a cast iron shroud with drain hole. Seating surfaces
are bronze and of flat configuration. Flange drilling on frame will be
suitable for mounting to flange per ASA-B-16.1 (125 ils. drilling) Gate
will be operated by a tee handle on a standard AWWA 2" valve nut
or with stainless (mild steel) stem extension to height required. When
shown, pedestal lifts, stem guides, and wall brackets will be furnished
by the mud valve manfacturer to make a complete and operable unit. On
rising stemvalves, stem guides shall be provided such that the L/r ratio
of the unsupported part of the stem shall not exceed 200. Paint will be
(manufacturer's standard) (as shown under painting specification) Mud
valves shall be Waterman Model MV-11 or equal.
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