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1052PSV Actuator
May 2011
Table 1. Fisher 1052PSV Actuator Specifications
Operation
Direct Acting: Increasing loading pressure extends
the diaphragm rod out of the spring barrel
Service: For on‐off or throttling service with or
without a positioner
Actuator Sizes
Size 60
Maximum Diaphragm Sizing Pressure
2.8 bar (40 psig)
Maximum Diaphragm Casing Pressure
3.4 bar (50 psig)
Nominal Valve Shaft Rotation
80 degrees rotation (standard) travel stop
Valve Shaft Diameters
31.8 mm (1‐1/4 inches)
Stroking Time
Opening requirement is 1 to 5 seconds
Material Temperature Capabilities
EPDM Diaphragm: -40 to 107_C (-40 to 225_F)
1. Use this value to determine the maximum torque output allowed.
2. The pressure/temperature limits in this manual and any applicable standard or code limitation for valve should not be exceeded.
3. This maximum casing pressure is not to be used for normal operating pressure. Its purpose is to allow for typical regulator supply settings and/or relief valve tolerances.
Figure 2. Fisher 1052PSV Actuator Adjustable Spring Seat
2
(1)
(3)
(2)
Travel Indication
Graduated disc and pointer combination located on
actuator end of valve shaft, with valve ball position
indicator
Pressure Conduit Connections
Standard: 3/4 NPT internal thread
Mounting Positions
RH mount, PDTO, Vee-Ball rotates CCW to close,
spring-fail closed
Approximate Weights
136 kg (300 lb)
Controller/Positioners Available
DVC2000, DVC6000, 3620, 3610, 4190, 4150, 4160,
C1
Accessories Available
846, 646, 546, 2625, and 67C Series, switches,
i2P-100, VBL, DXP, GOt
Additional Specifications
For casing pressure ranges and for material
identification of the parts, see the Parts List
DIAPHRAGM ROD,
KEY 10
LOWER SPRING SEAT,
KEY 13
NEEDLE THRUST BEARING AND RACE,
KEY 71, 72
THRUST COLLAR,
KEY 73
SPRING ADJUSTOR,
KEY 74
Instruction Manual
D103407X012
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