BIFFI RPD Series User manual

Bif Italia s.r.l. - Strada Bif 165, 29017 Fiorenzuola d'Arda (PC) – Italy PH: +39 0523 944 411 – bif_italia@bif.it

Bif RPD

Double-Acting Pneumatic Actuators

Installation, Operation and Maintenance Manual

MAN 575 Rev. 4

July 2020

Installation, Operation and Maintenance Manual

MAN 575 Rev. 4

Revision Details

Rev. Date Description Prepared Checked Approved

4 July 2020 General update (Migration to new template)

3April 2016 Updated applicable regulation (chapter 1.1.1) Ermanni Oreci Vigliano

2 October 2014 Updated chapters 1.1.2 and 5.4 Ermanni Cristalli Vigliano

1 October 2010 General update Ermanni Stoto Vigliano

0 May 1999 Document release Lazzarini Aliani Ziveri

Revision Details

July 2020

Installation, Operation and Maintenance Manual

MAN 575 Rev. 4

Table of Contents

July 2020

Table of Contents

Section 1: General Warnings

1.1 Generalities ................................................................................................... 1

1.1.1 Applicable regulation ......................................................................... 1

1.1.2 Terms and conditions ......................................................................... 2

1.2 Identication Plate ........................................................................................ 2

1.3 Introducing the Actuator ............................................................................... 3

1.4 Data Sheet .................................................................................................... 4

Section 2: Installation

2.1 Checks Upon Actuator Receipt ...................................................................... 5

2.2 Actuator Handling ......................................................................................... 5

2.3 Storage ......................................................................................................... 6

2.4 Actuator Assembly on the Valve .................................................................... 7

2.4.1 Types of Assembly .............................................................................. 7

2.4.2 Assembly Procedure ........................................................................... 9

2.5 Pneumatic Connections .............................................................................. 10

2.6 Electrical Connections (If Any) ..................................................................... 10

2.7 Commissioning ........................................................................................... 11

Section 3: Operation and Use

3.1 Operation Description ................................................................................. 12

3.2 Residual Risks .............................................................................................. 15

3.3 Operations .................................................................................................. 15

3.4 Calibration of the Angular Stroke ................................................................ 16

3.5 Calibration of Micro-switches (If Foreseen) .................................................. 18

3.6 Calibration of the Operation Time ............................................................... 19

Table of Contents

July 2020

Installation, Operation and Maintenance Manual

MAN 575 Rev. 4

Table of Contents

Section 4: Operational Tests and Inspections

Operational Tests and Inspections ......................................................................... 20

Section 5: Maintenance

5.1 Periodic Maintenance .................................................................................. 21

5.2 Extraordinary Maintenance ......................................................................... 22

5.2.1 Replacement of Cylinder Seals .......................................................... 22

5.3 Lubrication of Mechanism ........................................................................... 26

5.4 Dismantling and Demolition ....................................................................... 27

Section 6: Troubleshooting

6.1 Failure or Breakdown Research .................................................................... 28

Section 7: Layouts

7.1 Spare Parts Order ........................................................................................ 29

7.2 Parts List for Maintenance and Replacing Procedure .................................... 30

Section 8: Date Report for Maintenance Operations

Date Report for Maintenance Operations .............................................................. 33

Installation, Operation and Maintenance Manual

MAN 575 Rev. 4 July 2020

General Warnings

Section 1: General Warnings

NOTE:

The manual is an integral part of the machine, it should be carefully read before carrying

out any operation and it should be kept for future references.

1.1 Generalities

Bif Italia s.r.l. actuators are conceived, manufactured and controlled according to the Quality

Control System in compliance with EN-ISO 9001 international regulation.

1.1.1 Applicable regulation

UNI EN ISO 12100-1: 2005: Safety of machinery – Basic notions, general design principles.

Part 1-Basic terminology, method.

UNI EN ISO 12100-2: 2005: Safety of machinery – Basic notions, general design principles.

Part 2-Technical principles and specication.

2006/42/EC: Machine directive

97/23/EC: Directive for pressure PED equipment (until 18 July 2016)

2014/68/EU from 19 July 2016

2006/95/EC: Directive for low voltage equipment (until 19 April 2016)

2014/35/EU from 20 April 2016

2004/108/EC: Directive for the electromagnetic compatibility (until19 April 2016)

2014/30/EU from 20 April 2016

94/9/CE: Directive and safety instructions for use in hazardous Area

(until 19 April 2016) 2014/34/EU from 20 April 2016

NOTICE

Bif Italia s.r.l. pays the highest attention to collecting and verifying the documentation

contained in this user manual. However Bif Italia s.r.l. is not liable for any mistakes

contained in this manual, for damage or accidents due to the use of the latter. The

information contained is of exclusive reserved ownership of Bif Italia s.r.l. and may be

July 2020

Installation, Operation and Maintenance Manual

MAN 575 Rev. 4

2General Warnings

Section 1: General Warnings

1.1.2 Terms and conditions

Bif Italia s.r.l. guarantees that all the items produced are free of defects in workmanship

and manufacturing materials and meet relevant current specications, provided they

are installed, used and serviced according to the instructions contained in the present

manual. The warranty can last either one year from the date of installation by the initial

user of the product, or eighteen months from the date of shipment to the initial user,

depending on which event occurs rst. All detailed warranty conditions are specied in

the documentation forwarded together with the product. This warranty does not cover

special products or components not warranted by subcontractors, or materials that were

used or installed improperly or were modied or repaired by unauthorized staff. In the

event that a fault condition be caused by improper installation, maintenance or use, or by

irregular working conditions, the repairs will be charged according to applicable fees.

The warranty and Bif Italia s.r.l. liability shall lapse in the event that any modication

or tampering whatsoever be performed on the actuator.

1.2 Identication Plate

It is forbidden to modify the information and the marks without previous written

authorization by Bif Italia s.r.l.

The plate fastened on the actuator contains the following information (Figure1).

Figure 1 Data Plate

Installation, Operation and Maintenance Manual

MAN 575 Rev. 4 July 2020

General Warnings

Section 1: General Warnings

1.3 Introducing the Actuator

RPD actuators are pneumatic low pressure Spring-Return, suitable for any quarter-turn

application such as ball, plug, buttery valves or dampers, in both ON-OFF and modulating

heavy-duty service. The actuator is made up of a rack and pinion mechanism, which

transforms the linear movement of the pneumatic cylinder, (on closing or opening), into

the rotary movement for the valve operation. An adjustable bronze sliding block supports

the transverse force exerted on the rack by its engagement with the pinion. The rack is

nitride for ensures the minimal friction. External travel stops allow precise angular stroke

adjustment between 80° and 100°. Totally enclosed, weatherproof housing, made of

nodular cast iron for maximum strength and suitable for use in hostile environments.

The mounting ange is identical on both (upper and lower) faces of the housing; the shaft

output drives have the same dimensions but is positioned at 90°. This allows the actuator

to be used as spring to close or spring to open without modication.

The actuator is assembled onto the valve by connecting the actuator housing ange to the

valve ange by a spool piece and the actuator shaft to the valve stem by a stem extension.

Actuator manual emergency operation in opposition to the spring action, is performed by

rotating the jackscrew by a wrench or by a handwheel (available on request).

ØM

ØF

ØE

ØH

ØC ØC

ØE

+ 0,5

RP 13-14-15 49,5 49,5 M8 10 16 21 23 66 30 2,7 140 40 M6 4

RP 30 72,1 72,1 M10 12 22 29 25 92 32 2,7 164 50 M6 4

RP 60 88,4 88,4 M12 15 28 37 34 112 42 3,0 204 60 M6 4

RP 120 99,0 99,0 M16 23 37 49 45 132 55 3,0 270 75 M6 4

July 2020

Installation, Operation and Maintenance Manual

MAN 575 Rev. 4

4General Warnings

Section 1: General Warnings

The mounting ange, on the housing top, can be utilized for the assembly of limit switches,

position transmitter, positioner etc., which are actuated by the actuator output shaft.The

actuator housing is provided, on the front face and in the back face (optional), with threaded

holes for the assembly of accessories (control panels, air storage tank, etc.).

The expected lifetime of actuator is approximately 25 years.

Figure 2

Supply uid Air, Nitrogen or sweet gas

Operating temperature Standard: from –30 °C to +100 °C

Optional: from –60 °C to +140 °C

Design pressure 12 bar maximum

Supply pressure Please refer to technical document: “actuator data sheet”

Output torque up to 3700 Nm

1.4 Data Sheet

Table 1.

NOTE:

– All dimensions are in mm.

– Both the actuator anges can be used for the coupling to the valve or the mounting of ancillary

equipments (positioner, limit switch box, etc.).

№4 threaded

holes

№4 threaded

holes

View from Y

Threaded hole ØN

Joint detail

Threaded hole ØN

View from X

Both the actuator anges can be used for valve coupling or the mounting of ancillary

equipment (positioner, limit switch box, etc.).

Actuator Model A± 0,2 B± 0,2 ØC DØE ØF G ØH K J L ØM ØN* R

-0,1 0

-0,5 0

-0,2 +0,1

Installation, Operation and Maintenance Manual

MAN 575 Rev. 4 July 2020

Installation

Section 2: Installation

2.2 Actuator Handling

NOTICE

The lifting and handling should be made by qualied staff and in compliance with the laws

and provisions in force.

! WARNING

The fastening points are appropriate for the lifting of the actuator alone and not for the

valve + actuator assembly. Avoid that during the handling, the actuator passes above the

staff. The actuator should be handled with appropriate lifting means. The weight of the

actuator is reported on the delivery bill.

Section 2: Installation

2.1 Checks Upon Actuator Receipt

• Check that the model, the serial number of the actuator and the technical data

reported on the identication plate correspond with those of order conrmation,

see Section 1.2.

• Check that the actuator is equipped with the ttings as provided for by

order conrmation.

• Check that the actuator was not damaged during transportation: if necessary

renovate the painting according to the specication reported on the order

conrmation.

• If the actuator is received already assembled with the valve, its settings have

already been made at the factory.

• If the actuator is delivered separately from the valve, it is necessary to check,

and if required, to adjust, the settings of the mechanical stops, refer to Section 3.4

and of micro-switches (if any) refer to Section 3.5.

July 2020

Installation, Operation and Maintenance Manual

MAN 575 Rev. 4

6Installation

Section 2: Installation

For a correct lifting procedure, please refer to following Figure.

Figure 3

1 and 2 = Lifting eyelets

2.3 Storage

If the actuator needs storage, before installation follow these steps:

• Place it on a wood surface in order not to deteriorate the area of valve coupling.

• Make sure that plastic plugs are present on the hydraulic and electrical

connections (if present).

• Check that the protection of the control system and of the limit switch box (if any)

are properly closed.

If the storage is long-term or outdoor:

• Keep the actuator protected from direct weather conditions.

• Replace plastic plugs of hydraulic and electrical connections (if any) with metal

plugs that guarantee perfect tightness.

• Coat with oil, grease or protection disc, the valve coupling area.

• Periodically operate the actuator, refer toSection 3.3.

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