45-14
Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611
Rotary Actuators
When ordering a positioner for a rotary actuator, select
two part numbers; one from Table IV and one from
Table V which includes part numbers for follower arm.
Table IV: Positioner Model with 3-15 psi
or 4-20 mA span for for Valdisk, Valdisk
150, and ShearStream Rotary Actuators.
Actuator Installed Pneumatic NT 3000-10 I/P
Size Cam
(2)
Module Module
25 B 10075141 10121777
50
100 C 10075142 10121780
(2) The cam can be turned over in the field to the opposite side ‘B’
or ‘C’. To select the correct positioner model choose either ‘B’ or
‘C’ from Table I
Table V: Follower Arms for Rotary Actuators
Actuator Size Follower Arm
(Square-inches) Part Number
25 10034715
50 10034714
100 / 200 10033767
When installed on a rotary valve, the signal vs. C
V
rela-
tionship can be equal percentage or linear, based on air
action as well as cam characteristics. (See Table I.)
Actuator Stroke Spud Follower
Size (inch) (inch) Arm Kit
1
/4** 2.00 10043879*
25
3
/8** 2.00 10043879*
1
/2** 2.00 10037613*
1
/4 - 1
1
/2** 2.00 10037613
3
/4 - 1
1
/2** 2.00 10037613
50
3
/4 - 2
1
/2** 2.62 10044111
3** 2.62 10037614
3
/4 - 3** 2.62 - 2.88 10037614
100 / 200
3
/4 - 4** 3.38 - 4.75 10037615
5 - 8** 3.38 - 4.75 10037616
*Requires the use of stem clamp number 55679
** Use short stroke positioner
Ordering Information
The following information is provided to order a XL positioner or to adapt an existing positioner from one application
to another.
Std.
Stroke
Table III: Linear Actuator Follower Arms
Span & Zero Arm Kit – Part No. 10094523
Item No. Description Quantity
40 Range arm assembly 1
43 Pivot bushing 1
44 Pivot Screw 1
45 Snap Ring 2
46 Zero Adjust arm 1
106 Washer 1
Cover Kit – Part No. 10094522
Item No. Description Quantity
2 Cover 1
3 Screw 2
4 O-ring 2
5 Sticker 1
Gauge Kit – Part No. 10129690
Item No. Description Quantity
6 Pressure gauge 0-160 psi 2
Feedback Spring Kit – Part No. 10094524
Item No. Description Quantity
47 Feedback Spring 1
assembly (Includes item
no. 103, 104)
48 Pivot block 1
49 Adjustment knob 1
50 Lock knob 1
Base Kit – Part No. 10094525
Item No. Description Quantity
58 Base 1
63 Screen 1
64 Screen retainer 1
65 Bearing 2
66 Post 2
67 Gasket 1
Linear Actuators
When ordering a positioner for a linear actuator, select
two part numbers; one each from Tables II and III.
Table II: Positioner Model with 3-15 psi or
4-20 mA span for Linear Actuators
(1)
Air P/P NT 3000-10 I/P
Action Module Module
Air-to-Open 10076820 10122958
Air-to-Close 10076821 10122959
(1) The cam can be turned over in the field for opposite air action.
Spare Part Kits
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