Choice of ductile or 316 SS internals
Extensions available for buried service
Matco-Norca B5 butterfly valves incorporate
a unique stem and disc design for substantially
improved torque values, making
these valves among the easiest to operate.
The wafer style mounts between two flanges
(customer supplied), and the lug style
has threaded bolt holes for mounting on a
single flange for dead-end service. Butterfly valves can be used for throttling flow
using either the 10-position levers or gear
operators. Gear operators also prevent
rapid valve closure which can create shock
within piping systems. We list B5 series
valves through 12". Larger sizes through
36" are available.
Valve bodies are epoxy coated cast iron with
416 SS stems. Levers are ductile iron, gear
operators are cast iron. Choose between
nickel plated ductile iron or 316SS discs
with Buna-N liners. For standard water
service either combination is suitable but
select 316SS for leachate or wet methane in
landfill installations. Valve sizes 2" through
12" are rated 200 WOG up to 250°F.
All Matco-Norca valves can be equipped
with extensions for buried service. Stock
lengths range from 2' to 6' in 1-foot increments.
Extension kits contain all necessary
hardware for mounting to 10-position levers
or gear operators.