Bell & Gossett V59075B Low Flow Model UBYL Y-Strainer Combination Valve - Manual (Page 2)

DESCRIPTION
Low Flow Y-strainer Valves are made of brass construction
with an integrated ball valve and strainer.
INSTALLATION INSTRUCTIONS
Model UBYL Low Flow Y-strainer Valves are uni-directional
valves and should be mounted in the supply pipe. Be
sure to install the Model UBYL Low Flow Y-strainer valve
with the arrow pointing in the direction of flow and the
strainer chamber down to prevent air binding and to al-
low materials to collect in the strainer. Be sure to provide
enough space around the valve to remove the strainer
from the valve body for cleaning.
LOW FLOW MODEL UBYL Y-STRAINER VALVES
WITH SWEAT CONNECTIONS
For installing sweat connections:
a) Clean tube ends and valve connections thoroughly per
good piping practices with a fine grade emery cloth or
fine grit sandpaper.
b) For soldering, use 95-5 (Tin-Antimony) solder and a
good grade of flux.
c) Use a torch with a sharp pointed flame.
d) When sweating the joints, adjust the valve to the full
open position, then wrap the valve with a cool wet rag
and then direct the flame with care to avoid subjecting
the valve to excessive heat. Allow the valve to cool before
touching or operating.
e) Check the soldered connection for leaks.
WARNING: Use of improper procedures to
sweat valve model with union
connection into system can damage valve.
Before installing sweat union connection
to valve, remove the union nut and O-ring from the
valve body, then union tailpiece with union nut must
be sweated (soldered) into place. Failure to follow this
instruction could result in property damage and/or
moderate personal injury.
CAUTION: Heat associated with the use of
silver solder may damage valve components
and void the product warranty. Do not use
silver solder. Failure to follow these
CAUTION: Excessive use of solder or flux
may result in damage to the shutoff valve
seat and ball. Do not use excessive solder or
flux. Failure to follow these instructions
LOW FLOW MODEL UBYL Y-STRAINER VALVES
WITH NPT CONNECTIONS
Apply pipe compound conservatively to male connecting
fittings only. After installation, check all joints for
leakage and re-tighten if necessary.
CAUTION: The use of PTFE impregnated
pipe compound and PTFE tape on pipe
threads provides lubricity. Care should be
taken to prevent over tightening
instructions could result in property damage and/or
moderate personal injury.
can result in moderate personal injury and/or property
damage.
which may damage the valve body. Failure to follow
these instructions can result in personal injury and/or
property damage.
OPERATION INSTRUCTIONS
HOW TO USE BELL & GOSSETT LOW FLOW
MODEL UBYL Y-STRAINER VALVES
Y-strainer can be used to isolate hydronic equipment for
repairs and/or to drain the system. To close the Y-strainer
ball valve, move the handle a quarter of a turn until the
handle is perpendicular to the valve and piping.
CAUTION: Hot un-insulated surfaces can
cause burns to the skin. Do not touch hot
surfaces. Failure to follow these instructions
could result in personal injury.