Table v: follower arms for rotary actuators, Ordering information, Spare part kits – Flowserve XL Series High-Performance Positioner User Manual

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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 KitPart 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 KitPart 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 KitPart 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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