Emerson F89 Installation Manual

KEYSTONE FIGURE 89 PNEUMATIC ACTUATORS

INSTALLATION AND MAINTENANCE INSTRUCTIONS

Before installation these instructions must be fully read and understood

INTRODUCTION

The Keystone F89 pneumatic actuator range
isavailable in 4 mounting options:

• F89D - ISO 5211 shaft and flange ­Metricthreading

• F89E - Keystone shaft / ISO flange ­Metricthreading

• F89U - Keystone shaft and flange ­Metricthreading

• F89U - Keystone shaft and flange ­Imperialthreading

GENERAL PNEUMATIC SYSTEM
RECOMMENDATIONS

All Keystone pneumatic actuators are factory
lubricated with Castrol LMM grease, and
unless the operating environment is extremely
harsh, do not require re-lubrication.
For applications where the environmental
temperature reaches temperatures up to

-52°C (-62°F) a low temp version is used

(Cassida LTS 1).

To maintain maximum efficiency with this
actuator we advise that the following basic
system recommendations are followed:

1. For maximum cycle life the air quality of
compressed air should be 2.4.1 as per
ISO8573-1 standard.

2. Where pipelines are subjected to extremes
of temperature, the system should be fitted
with suitable air drying equipment.

3. When working at low temperatures, it is
important that the compressed air has been
dried to a dew point of less than the ambient
temperature. If this is not the case, water
will be condensed from the compressed
air and freeze causing damage to the seals
inside the actuator, which could result in
actuator failure.

4. Air control lines should be fitted in
accordance with a “Recommended Piping
Practice” and should not have loops,
whichmay trap condensate.

5. All air connection pipe ends should be
thoroughly cleaned and deburred after
cutting, to ensure that the pipeline is clear
of debris.

6. If pipelines are hydraulically tested, then
the lines should be “blown down” with
pressurized air to clear all traces of water,
prior to connecting lines to the actuator.

7. Where pipe fitting sealants are used, they
should be applied to the male threads only,
to avoid excess compound being forced into
the actuator control lines.

8. Where air filter equipment is used, the air
filters should be situated in positions that
allow easy access to maintain and/or drain.

9. Where pneumatic valve positioners or
pneumatic controllers are fitted to the valve
actuator assemblies, oil mist lubricated air
should not be used unless the manufacturer
states specifically that the controllers are
compatible with lubricated air.

NOTE

Keystone F89 actuators are rated for compressed air
pressure in the range of 2.75 barg (40 psig) to 8.3barg
(120 psig) and will withstand a maximum static
pressure of 10 barg (145 psig).

WARNING

For safety reasons, DO NOT "air assist" single
acting pneumatic actuators.

© 2017 Emerson. All Rights Reserved.Emerson.com/FinalControl VCIOM-03059-EN 20/12

KEYSTONE FIGURE 89 PNEUMATIC ACTUATORS

INSTALLATION AND MAINTENANCE INSTRUCTIONS

CONSTRUCTION

Keystone F89 actuators are designed to be
mounted to quarter turn valves either directly
or using the correct mounting brackets/adapter
and sizing products.

All models are of the opposed piston type.
Eachpiston incorporates an integral rack
which engages with a one piece pinion drive
shaft. Thedrive shaft is Zinc+Nickel plated
for maximum protection. The actuator body
is of extruded aluminium, and fitted with
“engineered polymer” bearings at the drive
shaft locations. Bearing and piston seals are
dynamic “O-ring” type. The actuator drive is by
means of a double keyed female shaft output
(F89E/U) or female double square (star; F89D)
conforming to EN ISO 5211.
A comprehensive range of adaptors is available
for fitting the actuator shaft to the valve shaft.
The top of the actuator shaft has a female
DD16x11 connection for direct mounting of
theAVID accessories, or can be fitted with
an insert to be compliant with the Namur
standard.
Adjustable travel stops are provided for each
end of travel to ensure that the actuator will
open and close the valve precisely.

STORAGE

All actuators leave the factory tested and
in excellent working condition and finish.
Inorder to maintain these characteristics
until the actuator is installed in the plant, it is
necessary to observe the following rules and
take appropriate measures during the storage
period.

STANDARD INSTALLATION

The F89 actuator can be used for butterfly
valves, ball valves and all quarter turn devices,
in double acting or spring return configuration.
Single acting actuators are supplied
as FAIL-CLOSE (CW) as standard.
Reverseacting (FAIL-OPEN; CCW) must be
specified

at the time of order. Alternatively
it is possible to change an actuator from
FAIL-CLOSE

to FAIL-OPEN by a trained
and certified mechanical engineer using
the assembly/disassembly instructions as
described in this document.

These installation instructions assume that
the actuator is installed with the cylinder axis
parallel to the axis of the valve bore (in line).
Please ensure that you have an actuator
with the correct drive, and that the valve and
actuator are in the following positions:
1a. Double acting units and spring return

units in FAIL-CLOSE position: valve closed,
actuator fully clockwise.

1b. Double acting units and spring return units

in FAIL-OPEN position: valve open, actuator
fully counterclockwise.

Butterfly valve application

Mounting to resilient seated butterfly valves
(withEN ISO 5211 or Keystone mounting)

2a. Screw the actuator mounting studs tightly

into the actuator base.
3a. Install the correct shaft adapter if required.
4a. Mount the actuator onto the valve top

flange and secure using a lockwasher and

nut on each mounting stud.

Lockwasher

Actuator mounting - BFV

KEYSTONE

Pneumatic
actuator

Stud

Adaptor
ifrequired

Nut

Valve

1. Make sure that the transport plugs remain
fitted in the air connections. These plastic
plugs close the air inlets, but do not have a
waterproof function, as they are a means
of protection against the entry of foreign
matter during transport.

For long term and specifically outdoor

storage these plastic plugs need to be
replaced with plugs providing a complete
weatherproof protection.

2. If the actuators are supplied separately
from the valves, they must be placed onto a
wooden pallet in order to prevent damaging
the valve coupling. For long term outdoor
storage it is advised to coat the coupling
parts with protective oil or grease.

3. In case of long term storage, it is advised
to keep the actuators in a dry place or to
provide some means of weather protection.

FIGURE 1

2

KEYSTONE FIGURE 89 PNEUMATIC ACTUATORS

INSTALLATION AND MAINTENANCE INSTRUCTIONS

Ball valve application

Mounting to ball and high performance butterfly
valves using a bracket

2b. Screw the actuator mounting studs

tightly into the actuator base and secure
themounting bracket to the underside of
the actuator using four nuts and washers
as shown in Figure 1.

3b. Install the appropriate coupling onto the

valve stem. The coupling should be lightly
tapped or pressed onto the valve stem.
Theuse of a lubricant is recommended.

4b. Mount the actuator and bracket onto the

valve top flange using the appropriate bolts.

All quarter turn valve types

5. Before installing the valve/actuator
assembly in a piping system, the disc travel
should be verified and adjusted if necessary
using the travel stop screws (see detailed
instructions for travel setting).

6. When installing the valve/actuator
assembly into the pipeline, ensure that
thespecific instructions relating to
thevalve installation are followed.

NOTE

Some valves may require to be fitted into the pipeline
prior to mounting the actuator. Rubber lined butterfly
valves are an example of this.

Lockwasher

Nut

Bolt

Actuator mounting - BV

Pneumatic
actuator

Stud

Coupling
ifrequired

Bracket
ifrequired

7. For valves which need to be installed in
thepipeline prior to fitting the actuator,
ensure that the valve is operated into
its failsafe position before mounting
theactuator onto the valve.

NON-STANDARD INSTALLATION - DOUBLE
ACTING AND SPRING RETURN ACTUATORS

In circumstances where the actuator is required
to be installed in the transverse position i.e.
at right angles to the valve bore (across line),
theactuator must be rotated through 90°.
Thisis achieved in the following manner.

All quarter turn valve types

1. Remove the actuator from the valve or the

bracket by removing the 4 fixing bolts/nuts,
and withdraw it vertically from the valve.

2. Reposition the shaft insert 90 degrees for

Double-D connections. Bored-keyed and
star drives do not require this action.

3. Rotate the actuator 90 degrees.

4. Refit the actuator to the top of the valve or

to the bracket. Pay attention to the output
drive of the actuator to be in line with
thevalve shaft and/or shaft insert.

FIGURE 2

Ball
valve

3

KEYSTONE FIGURE 89 PNEUMATIC ACTUATORS

INSTALLATION AND MAINTENANCE INSTRUCTIONS

22 15 20

FIGURE 3

8 7

4

9 3

1 25 14 3 6

16

10

17

24

18

21

23

19

12

5

2

11

13

TABLE 1  MATERIALS OF CONSTRUCTION

No. Item Material US material std BS material std DIN material std Finish

1 Body Extruded aluminium

ASTM B221 type 6063T6

2 Pinion Hot rolled carbon steel bar ASTM

A108 grade 1045

3 Piston Die cast aluminium alloy ASTM B85

type A380 /BS 1490 grade LM24

4 End cap Die cast aluminium alloy ASTM B85

type A380/BS 1490 grade LM24
5 Cam Cast grade SAE 1045/C45 / EN8 Blackodised
6 Spring Spring steel as per ASTM A401 ASTM A401 BS 5216 HS3 DIN 17223 Pti Epoxy coated 30-40 microns
7 Spring retainer Carbon steel Zinc plated
8 Spring cup Die cast aluminium alloy ASTM B85

type A380 /BS 1490 grade LM24
9 Piston guide Zytel 101F NC010 Natural

(1)

10 Top bearing PAR
11 Bottom bearing PAR
12 Top thrust washer POM
13 Bottom thrust washer POM
14 Travel stop washer SS
15 End cap washer

+ 25% glass filled Natural

(1)

+ 25% glass filled Natural

(2)

(2)

(3)

ISO 3506 A2-70 grade Natural

(3)

SS

ISO 3506 A2-70 grade Natural

(spring washer)
16 Top O-ring (pinion) NBR shore 70 A Natural
17 Bottom O-ring (pinion) NBR shore 70 A Natural
18 O-ring (piston) NBR shore 70 A Natural
19 O-ring (travel stop) NBR shore 70 A Natural
20 Gasket (end cap) NBR shore 70 A Natural

(3)

21 Bolt - travel stop SS
22 Bolt - end cap SS
23 Nut - travel stop SS

ISO 3506 A2-70 grade Natural

(3)

ISO 3506 A2-70 grade Natural

(3)

ISO 3506 A2-70 grade Natural
24 Circlip (bottom) Mild steel Natural
25 Position indicator ABS plastic Natural

ASTM B221 BS 1474 6063 DIN 3.33206.51 Anodized 15-25 microns +

ESPC 80-120 microns

A108 BS 970 080M40 C40 Electroless nickel plated

10-15 microns

ASTM B85 BS 1490 DIN 1725-2300 or 226 Anodized

ASTM B85 BS 1490 DIN 1725-2300 or 226 ESPC 80-120 microns

ASTM B85 BS 1490 DIN1725-2300 or 226 Anodized

Natural
Natural

1. POM Acetal Resin 2. Polyoxymethylene 3. Stainless steel

4