Spirax Sarco PP6 Manuale utente

IM-P704-03 CTLS Issue 3 1

PP6 Positioner

Printed in GB

PP6 Positioner

Quick Start Guide

IM-P704-03

CTLS Issue 3

This guide covers only a brief description of installation and maintenance for

Spiratrol and QL valves. For detailed installation, operations, maintenance

including safety, precautions, and warnings, please refer to our official instruction

manual at www.spiraxsarco.com (IM-P704-02).

PP6 is Pneumatic-Pneumatic Positioner that accurately controls valve stroke in response to a pneumatic

input signal of 0.02~0.1 MPa (0.2~1 bar) from the controller.

! NOTE: Use of the positioner in a hazardous area.

1 The positioner must be suitably earthed to prevent static electricity

2 Operation with air hotter than 70 °C is to be avoided

3The positioner must not be used in a Zone 0 area.

4Only wipe the positioner with a damp cloth to prevent static build up.

IM-P704-03 CTLS Issue 3

PP6 Positioner

1. Installation

Side view

shown for

clarity

1.1 Linear positioner

1.1.1 Assemble feedback pin locator and feedback

pin to actuator coupling firmly.

Mounting

Positions

Locator

Marking

Valve

stroke

MTG

kit

Feedback

locator

direction

Central N/A

PY1

PY2

Left hand

side

D20

UY3

A30

B50

UY1

E70

1.1.2 Assemble the supplied feedback lever and

bracket to positioner firmly, then loosely

mount the assembly on the left hand side of

the actuator yoke. For central mount, mount

on the right hand side of the actuator yoke.

1.1.3 Make sure that Positioner’s feedback lever is

perpendicular to the valve stem at 50% of the

valve stroke.

1.1.4 The feedback pin coming from the actuator

coupling should be inserted inside slot of the

feedback lever in such a way that the length

of valve stroke coincides with the

corresponding figures in “mm” marked on the

feedback lever.

Improper setting may cause poor linearity or

damage to positioner.

1.1.5 At 0% or 100% position, the linear lever or

linear lever stopper should not touch the

stopping bosses of positioner.

1.1.6 As a final step, tighten the bracket to the

actuator yoke.

50%

90°

Lever spring

Feedback pin

Stopping bosses Linear lever stopper

Stopping bosses

Linear lever stopper

No touch

IM-P704-03 CTLS Issue 3 3

PP6 Positioner

1.2 Rotary positioner

1.2 .1 There are three brackets in the positioner box.

1.2.2 Refer to the figure and check the bolting

positions of the upper and lower brackets to

be fastened depending on the actuator’s stem

height. And then assemble the positioner with

the brackets by using M6 bolts, washers and

nuts.

1.2.3 Make sure that the center of positioner's main

shaft is well aligned with the center of

actuator's stem.

1.2.4 Tighten the positioner and bracket, taking into

account the alignment described in step 3

above.

Actuator stem

Actuator

30 (H)

Actuator

Actuator stem height

20 45.5 26.5 39.5 52

30 55.5 26.5 39.5 52

50 75.5 41.5 39.5 72

IM-P704-03 CTLS Issue 3

PP6 Positioner

2. Connection – Air

2.1 Single acting actuator (side mount positioner)

2.1.1 Piping and span direction setting for linear DA single actuator

Move upward at pneumatic failure

Direct action

Note: For central mount, reverse Span lever

Reverse action

Note: For central mount reverse the Span

lever

Supply When increasing

input signal

actuator

Move upward at pneumatic failure

actuator

When increasing

input signal

Supply

Span

Signal Signal

2.1. 2 Piping and span direction setting for linear RA single actuator

2.1. 3 Piping and cam direction setting for rotary single actuator

Move downward at pneumatic failure Move downward at pneumatic failure

When increasing

input signal When increasing

input signal

Direct action

Note: For central mount reverse the Span

lever

Reverse action

Note: For central mount reverse the Span

lever

Direct action Reverse action

actuator RA

actuator

Signal

Supply

Span

Supply

Signal

Bearing

Supply When increasing

input signal When increasing

input signal

Span

Cam

Span

Cam

Bearing

Supply

Signal

IM-P704-03 CTLS Issue 3 5

PP6 Positioner

2.2 Double acting actuator (side mount positioner)

2.2.1 Piping and ‘Span’ direction setting for linear double actuator

When increasing

input signal

Direct action

Note: For central mount reverse the Span

lever

Supply

Span

When increasing

input signal

Reverse action

Note: For central mount reverse the Span

lever

Signal

Supply

Signal

2.2.2 Piping and cam direction setting for rotary double actuator

Span

Cam

Bearing

Supply

Direct action Reverse action

Bearing

Supply

Signal

When increasing

input signal

Span

Cam

Signal

When increasing

input signal

IM-P704-03 CTLS Issue 3

PP6 Positioner

3. Adjustments

3.1 Adjustment - Zero Point

Set input signal pressure at 0.02MPa (or 0.1MPa)

as the initial signal and rotate the adjust wheel

of zero setting unit upward or downward to set

actuator’s zero point. Please refer to the gure

opposite.

3.2 Adjustment - Span

3. 2.1 After setting zero point, supply input signal

pressure at 0.1MPa (or 0.02MPa) as the

end point pressure and check the actuator

stroke. If the stroke is low, the span should

be stretched. If the stroke is high, the span

should be reduced.

3.2.2 Changing span will a󰀨ect zero point setting

so zero point should be set again after span

has been adjusted.

3.2.3 Above two steps are required several times

until both zero and span are properly set.

3.2.4 After proper setting, tighten lock screw of the

span unit.

3.3 Adjustment –

A/M switch (Auto/Manual)

3.3.1 Auto manual switch is located on the

top of pilot unit. Auto manual switch

allows the positioner to be functioned

as bypass.

If the switch is rotated counterclockwise

(toward “M”, Manual), then the supply

pressure will be directly supplied to the

actuator regardless of input signal. On

the other hand, if the switch is turned

clockwise (toward “A”, Auto), then the

positioner will operate normally by

input signal.

3.3.2 Make sure that the supply pressure

does not exceed the rated pressure

level of the actuator before the switch

is loosened toward “M”.

3.3.3 After using the “Manual” function,

return the auto manual switch to

“Auto”.

Lock screw

Auto

manual

switch

Manual Auto

IM-P704-03 CTLS Issue 3 7

PP6 Positioner

spiraxsarco.com EN

Pneumatic Positioner

PP6

Spirax Sarco Ltd,

Runnings Road

Cheltenham

GL51 9NQ

United Kingdom

2014/34/EU ATEX Directive

0 0

ATEX Directive EN 1127-1:2019

0EN ISO 80079-36:2016

0EN ISO 80079-37:2016

0 0

Notified Body number Performed Certificate

0 0 00

Additional information:

ATEX coding: II 2GD Ex h IIC T6 Gb

0Ex h IIIC T85°C Db

On behalf of: Spirax Sarco Ltd,

M Sadler

Cheltenham

2021-06-24

GNP234-EU-C/03 issue 2 (EN)

Product Integrity & Compliance Manager

(place and date of issue):

This declaration of conformity is issued under the sole responsibility of the manufacturer.

The object of the declaration described above is in conformity with the relevant Union harmonisation legislation:

References to the relevant harmonised standards used or references to the other technical specifications in relation to which

conformity is declared:

Where applicable, the notified body:

(name, function):

Steam Business Development Engineering

Name and address of the manufacturer or his

authorised representative:

EU DECLARATION OF CONFORMITY

Apparatus model/Product:

Page 1/1

8. Approvals

Declaration of Conformity

IM-P704-03 CTLS Issue 3

PP6 Positioner

spiraxsarco.com

Pneumatic Positioner

PP6

Spirax Sarco Ltd,

Runnings Road

Cheltenham

GL51 9NQ

United Kingdom

Approved Body number Performed Certificate

0 0 00

Additional information:

Explosion proof coding: II 2GD Ex h IIC T6 Gb

0Ex h IIIC T85°C Db

On behalf of: Spirax Sarco Ltd,

M Sadler

Steam Business Development Engineering

Product Integrity & Compliance Manager

Cheltenham 09 August 2021

GNP234-UK-C/03 issue 1

(name, function):

(place and date of issue):

Where applicable, the approved body:

EN ISO 80079-37:2016

(*As amended by EU Exit Regulations)

References to the relevant designated standards used or references to the other technical specifications in relation to which

conformity is declared:

SI 2016 No.1107 *

EN 1127-1:2019

EN ISO 80079-36:2016

This declaration of conformity is issued under the sole responsibility of the manufacturer.

The object of the declaration described above is in conformity with the relevant statutory requirements of:

SI 2016 No.1107 *

The Equipment and Protective Systems Intended for Use in

Potentially Explosive Atmospheres Regulations 2016

DECLARATION OF CONFORMITY

Apparatus model/Product:

Name and address of the manufacturer or his

authorised representative:

Page 1 of 1

Declaration of Conformity (continued)

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