Flowserve Factory Mutual Approved Oil or Gas Safety Shutoff Valve - Manual (Page 2)

2 Factory Mutual Approved Oil or Gas Safety Shutoff Valves WCAIM2054
CAUTION: Flowserve recommends that all products which must be
stored prior to installation be stored indoors, in an environment
suitable for human occupancy. Do not store product in areas where
exposure to relative humidity above 85%, acid or alkali fumes,
radiation above normal background, ultraviolet light, or
temperatures above 120°F or below 40°F may occur. Do not store
within 50 feet of any source of ozone.
I. INSTALLATION
A. Z|v"–2" 44 Series Reduced-Port and Z|v"–4" 59 Series Full-Port
Valves, Three-Piece Construction:
1. Standard valves may be installed for flow in either direction.
Use care to exclude pipe sealants from the valve cavity.
2. For weld-end valves:
NOTE: Prior to welding or brazing, THOROUGHLY CLEAN ALL
JOINT SURFACES to prevent contamination.
a. Tack weld valve in place.
b. Rotate valve stem 90° to open valve.
c. Remove actuator, bracket and coupling, if necessary.
d. For Z|v"–2" valves, remove three body bolts and loosen
fourth. Swing valve body away from pipe ends. For 3" and
4" 59 valves, remove all of the body bolts or studs and
remove center section from valve.
e. Close valve, then remove seats, body seals and ball.
f. Swing or return body back in-line and secure with two
body bolts or studs diagonally opposite each other.
g. Weld valve in place (when gas welding or brazing, do not
play flame on valve body).
h. Allow valve to cool, then reassemble. Take care that interior
of valve is free of dirt particles. Do not scratch any sealing
surfaces (ball, seats, body seals or pipe end faces).
i. Reassemble ball, seats and seals into body. Install new
body seals, if they were shipped separately from the
valve. Temporary Buna body seals, found in the valve as
received, are not to be reused. Open valve. Swing body
back in-line. Close valve.
j. Install body bolts or studs.
k. Remount actuator to valve, if removed. (Insert coupling
between valve and actuator.)
l. The body bolts of the valve should be tightened evenly.
Tighten diagonally opposite each other alternating in a
criss-cross pattern. Use torque figures listed:
For Carbon Steel Bolts
Bolt Diameter In.-Lbs. Ft.-Lbs.
Z|v" 96-120 8-10
B|zn" 156-204 13-17
C|," 216-264 18-22
M|zn" 480-540 40-45
Z|x" 720-780 60-65
>|zn" 1080-1140 90-95
B|," 1370-1420 114-119
C|v" 1800-1860 150-155
For Stainless Steel Bolts
Bolt Diameter In.-Lbs. Ft.-Lbs.
Z|v" 72-94 6-8
B|zn" 120-144 10-12
C|," 192-216 16-18
M|zn" 336-384 28-32
Z|x" 504-552 42-46
>|zn" 682-730 57-61
B|," 972-1020 81-85
C|v" 1402-1450 117-121
CAUTION: In Z|v"-2" 44 and Z|v"-1Z|x" 59 valves, TFE seals are not
reusable. Upon disassembly of the valve, they should be discarded
and replaced with new parts. New valves are shipped with Buna
seals installed and TFE seals packaged. Care should be taken to
avoid scratching the TFE seals during installation. Light lubrication
of these seals can help to prevent damage.
B. 2"–8" 51/52 Flanged Valves and 3" and 4" 4 (151) Flangeless
Valves:
1. Standard valves may be installed for flow in either direction.
Use care to exclude pipe sealants from the valve cavity.
2. When installing, use standard gaskets suitable for the specific
service. Tighten flange bolts or studs evenly.
3. On 4 (151) flangeless valves, it is recommended to leave the
ball in the open position while installing, to eliminate
possibility of damaging ball finish.
C. 39S Actuator:
a WARNING: Series 39 actuators are electromechanical devices
subject to normal wear and tear. Actuator life is dependent upon
application and environmental conditions. If applied in hazardous
services such as, but not limited to, media temperature extremes,
toxins, flammables, or other services where improper or
incomplete operation could produce a safety hazard, it is
incumbent upon the system designer and the user to provide proper
warning devices such as temperature sensors, oxygen sensors and
flow sensors. Flowserve also recommends that the optional
auxiliary limit switches be used for monitoring and/or electrical
interlock.
Flow Control Division
Worcester Controls