Emerson AW Series, AWN13, AWN Series, AW17, AW28 Installation And Operation Manual

KTM PNEUMATIC ACTUATORS - AW, AWN SERIES

INSTALLATION AND OPERATION MANUAL

Please read through this manual completely before operating the actuators

SECTION 1 - SAFETY PRECAUTIONS

Precautions for using AW, AWN type actuators
safely are highlighted with the following two
warning signs to indicate the level of danger
posed. Please read the postscript carefully to
ensure safety and prevent any damage from
occurring before starting to use the product.

WARNING

A potentially hazardous situation which, if not
avoided, could result in death or serious injury.

CAUTION

A potentially hazardous situation which, if not
avoided, may result in minor or moderate injury.

ACTUATOR USE

AW, AWN Type Actuators are suitable for
operating ball valves and V-port valves.
Please use the actuators according to warnings
and cautions described in this document.
Failure to do so could result in an accident
(due to wrong storage, installing, operation,
maintenance and disassembling) and/or
serious damage.
Please keep this manual in a handy place for
immediate reference; be sure to provide it to
purchaser, contractor, piping designer, user,
operator or maintenance technician.

KTM reserves the right to discontinue the
manufacture of, change or modify design and/
or construction of any KTM product during the
manufacturing procedure, without incurring
any obligation to accept for credit, to replace or
furnish or install such changes or modifications
on products previously or subsequently sold.
This document is subject to change without
notice.

SECTION 2 - SPECIFICATION

The performance and safety of AW, AWN type
actuators and conformity with your equipment
or system should be checked by the design
engineer or the person specifying your system
based on our catalog or specification data.
Upon arrival, the applicable conditions (double
acting, direct acting, reverse acting, operating
pressure, etc.) should be first checked to make
sure they are correct.

SECTION 3 - STORAGE

CAUTION

The following items should be strictly followed in
order for the actuators to be installed
and operated properly.

1. Do not unpack the actuator from shipping
package until just prior to installing it.

2. Store the package in dry and non-corrosive
atmosphere.

3. When unpacked, plug or cap inlet and outlet
port and direct these ports in horizontal and
downward position to protecting from entering
rain and dust.

Emerson.com/FinalControl © 2017 Emerson. All rights reserved. VCIOM-02905-EN 19/04

KTM PNEUMATIC ACTUATORS - AW, AWN SERIES

INSTALLATION AND OPERATION MANUAL

SECTION 4 - MODEL IDENTIFICATION

Example: AW 17 S Q HW
Actuator type
AW (AWN only applicable for size 13)

Actuator size
13 20
17 28
Operation type Description (Supply pressure)
Blank Double acting type (0.3 to 0.7 MPa)
S Spring return type - Standard (0.4 to 0.7 MPa)
L Spring return type - Low pressure type (0.3 to 0.4 MPa)
Special (Option) Description
Blank No specials
A Direct-acting spring return

(Counter-clockwise rotation under supply pressure loss)

B Stainless steel external bolts and nuts
K For high temperature (0ºC to 120ºC)
T For low temperature (-45ºC to 60ºC)
Q High speed / frequency (500,000 cycles): Available for double acting type

High speed: Available for spring return type

S High torque type (spring return)

Accessories (Option) Description
Blank Without any accessories
CO ESDV of CO
H For double acting type with manual override handle lever:

Available for AWN13 only

HG For double acting type with manual gear operator:

Available for AW17 through AW28

HW For spring return type with manual override handle:

Available for AWN13S through AW28S

L With lift-limiting unit
PS Partial stroke test

gas type

2

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KTM PNEUMATIC ACTUATORS - AW, AWN SERIES

INSTALLATION AND OPERATION MANUAL

SECTION 5 - RANGE OF APPLICATION

Operating mechanism Operation Model no. Pressure (MPa)

Double acting AWN13 0.3 - 0.7

AW17
AW20
AW28

Single acting AWN13S 0.4 - 0.7
Scotch York
(Para-arm piston rod pin)

(Spring return) AW17S

AW20S

AW28S
Single acting AWN13L 0.3 - 0.4
for low pressure range AW17L 0.2 - 0.4

AW20L 0.3 - 0.5

AW28L 0.2 - 0.4

CAUTION

Use Torque Cylinders within operating pressure
ranges only.
Operation outside the specified range may cause
damage to the cylinder or malfunction.

SECTION 6 - CONSTRUCTION

Spring return

Spring return

Double acting

Double acting

FIGURE 1

NOTE

Only AWN13 has an oval-shaped upper stem and a
square-shaped lower stem.

PARTS LIST

No. Parts Nme

1 Body
2 Stem
3 Para-arm
4 Key
5 Set screw
6 O-ring
7 O-ring
8 Thrust bearing
9 Thrust bearing
10 Snap ring
11 Snap ring
12 Piston rod
13 Pin
14 Roller
15 Bearing
16 Snap ring
17 Adapter
18 Gasket
19 Bearing
20 O-ring
21 O-ring
22 Piston
23 O-ring
24 O-ring
25 Nut
26 Cylinder
27 Cap screw
28 Stopper bolt
29 Gasket
30 Cap Nut
31 Spring retainer
32 Cylinder
33 Spring case
34 Spring (Outer)
35 Spring (Inner)
36 Spring cover
37 Long bolt
38 Nut
39 Stopper bolt
40 Nut
41 Pipe

3