Cashco 964 User Manual

Model 964, Globe-style pneumatic control valve unit body iom

Advertising
background image

INSTALLATION, OPERATION, & MAINTENANCE MANUAL (IOM)

MODEL 964

GLOBE-STYLE

PNEUMATIC CONTROL VALVE UNIT

BODY IOM

SECTION l

I.

DESCRIPTION AND SCOPE

The Model 964 is a pneumatically actuated, sliding
stem globe-style control valve. Sizes are 1/2",3/4",
1", 1-1/2", & 2". Available in Cast Iron and Cast Steel
body ma te ri als.

Failure position is determined by actuator for:

"D" = Direct action; on increasing air loading pressure,
the actuator stem extends. Fail-safe position is with
the stem retracted.


"R" = Reverse action; on increasing air loading pres-
sure, the actuator stem retracts. Fail-safe position is
with the stem extended.

The valve is designed primarily for general service
or utility applications such as steam, air, oil, gas and
water.

II. REFERENCES

Refer to Technical Bulletin 964-TB for complete
tech ni cal specifi cations of a Model 964 coupled with
either Cashco Actuator Model C27 or C53.
www.cashco.com/techbulletins/964.pdf

Refer to following Installation, Operation & Main-
te nance Manuals (IOM’s) for either actuator and/or
devices that maybe mounted to a Model 964:

Actuators: www.cashco.com/IOM/C27-C53.pdf
Positioners:
P/P: www.cashco.com/techbulletins/9540l.pdf
I/P: www.cashco.com/techbulletins/srd991.pdf
I/P: www.cashco.com/iom/PS2iom.pdf

IOM-964

12-13

ABBREVIATIONS

ATC–FO – Air–to–Close, Fail Open
ATO–FC – Air–to–Open, Fail Close
CCW

– Counter Clockwise

CW –

Clockwise

D or DIR – Direct Acting
IAS

– Instrument Air Supply

LOAD

– Positioner Output Air Pressure

R or REV – Reverse Acting
SIG

– Output Signal from Instrument

V –

Vent

SECTION II

Model 964

with ATO - FC Actuator

Advertising