A Long Experience in Energy Equipment and one Goal:
The Customer’s Satisfaction.

VALVITALIA
TRAINING COURSE

1
PT0010


Valvitalia Automation Division,
located in Rivanazzano (Pavia), was founded to supply to customer the “Complete Unit”, valves and actuators.

2


INDEX

1 DESIGN PRINCIPAL OF ACTUATORS

Page 4

2 TYPE OF VALVITALIA ACTUATORS AND CONTROL SYSTEMS

Page 8

3 ACTUATOR SELECTION

Page 48

3.1 ACTUATORS TYPE

Page 50

3.2 MATERIALS

Page 55

3.3 VALVITALIA ACTUATORS APPROVALS

Page 57

3.4 TORQUE TABLE

Page 60

4 TESTING METHODS AND PROCEDURES

Page 79

5 USE AND MAINTENANCE PROCEDURE

Page 96

6 STRENGHT OR ADVANTAGE POINTS

Page 109

7 CERTIFICATES

Page 117


8 REFERENCE LISTS

Page 119
3


1 - DESIGN PRINCIPAL OF ACTUATORS

4


MODULAR CONSTRUCTION
VALVITALIA valve operators are
based on easy modular
contruction. Double acting, spring
ARM 45/99

return fail open and fail close

SPRING CONTAINER

SPRING CONTAINER

models are made of flexible
combination of main components:

MANUAL
OVERRIDE


MANUAL
OVERRIDE

frame, spring container, pneumatic

ARM 70/100/130

low pressure, high pressure gas
and hydraulic cylinder and manual

HYDRAULIC MANUAL
OVERRIDE

PNEUMATIC CYLINDER

PNEUMATIC CYLINDER

HYDRAULIC MANUAL
OVERRIDE

overrides.
The modular construction allows to

MANUAL
OVERRIDE

MANUAL
OVERRIDE
ARM 160/200/240


cover any kind of valve size and
HYDRAULIC or
DIRECT GAS CYLINDER

class with different power
requirements and operational

HYDRAULIC or
DIRECT GAS CYLINDER
HYDRAULIC MANUAL
OVERRIDE

HYDRAULIC MANUAL
OVERRIDE

function. The additional advantages
of the modular construction are

HYDRAULIC MANUAL
OVERRIDE

easy operation and maintenance,
with the reduction of the quantity
and type of the spare parts.

MANUAL
OVERRIDE

5



FRAME

Symmetric Type (HYS, LPS, GDS, GOS)

Canted Type (GOH, GOM)

STANDARD CHARACTERISTICS
• Fabricated in carbon steel material, totally
weatherproof and completed with relief valve
• Scotch yoke mechanism in carbon steel
material
• Side load bar in alloy steel hard chromium
plated
• Bronze bearing to guide the drive sleeve

Torque

Torque

• Mounting pad to support accessories

0°
Valve open

45°

90°
Valve Close


• Standard configuration
• Symmetric

torque for breaking and ending

0°
Valve open

45°

90°
Valve Close

• Suitable for High breaking open values
• High Break to open and End to close torque

6


CYLINDER
CYLINDER CHARACTERISTICS
• Rolled carbon steel for superior sealing service and corrosion protection
• Self lubricating PTFE composite guide sleeve
• Composite piston seal consisting of a PTFE slip-on ring energized by an o-ring for extended
maintenance free life
• ENP coating for corrosion protection

SPRING CONTAINER
SPRING CONTAINER CHARACTERISTICS
• Totally enclosed for protection from environmental condition

• Fully welded contruction for maximum operational safety
• spring is UNI EN 10204 3.1 certified and epoxy coated.

7


2 - TYPE OF VALVITALIA ACTUATORS AND CONTROL SYSTEMS

8


QUARTER TURN PNEUMATIC DOUBLE ACTING VALVE ACTUATOR
APPLICATION
Suitable for butterfly, ball and plug valves for on/off or

STANDARD VALVE ACTUATOR DATA
ACTUATOR SERIES:

modulating service, powered by instrument air, nitrogen or

LPS

PRESSURE RANGE

TEMPERATURE RANGE

40 psig to 175 psig
3 barg to 12 barg

-4° F to 176 ° F

-20° C to 80° C

natural gas.

STANDARD CHARACTERISTICS
Output torque up to 4,500,000 in-lbs (500,000 Nm)
Local position indicator
Open and close stroke adjustments within ±3° min.
Frame based on scotch yoke mechanism (refer to page 4)
Pneumatic Cylinder (refer to page 5)

OPTIONAL FEATURES
Hydraulic Manual Override
Mechanical Handwheel
Low temperature application up to -76° F (-60° C) with fluorosilicone
seals and low temperature materials
High temperature application up 392° F (200° C) with Viton Seals

9


QUARTER TURN PNEUMATIC SPRING RETURN VALVE ACTUATOR
APPLICATION
Suitable for butterfly, ball and plug valves for on/off

STANDARD VALVE ACTUATOR DATA
ACTUATOR SERIES:

or modulating service, powered by instrument air, nitrogen


LPS

PRESSURE RANGE

TEMPERATURE RANGE

40 psig to 175 psig
3 barg to 12 barg

-4° F to 176 ° F
-20° C to 80° C

or natural gas.

STANDARD CHARACTERISTICS
Output torque up to 4,500,000 in-lbs (500,000 Nm)
Local position indicator
Open and close stroke adjustments within ±3° min.
Frame based on scotch yoke mechanism (refer to page 4)
Pneumatic Cylinder (refer to page 5)
Spring container (refer to page 5)

OPTIONAL FEATURES
Hydraulic Manual Override
Mechanical Handwheel
Low temperature application up to -76° F (-60° C) with fluorosilicone
seals and low temperature materials
High temperature application up 392° F (200° C) with Viton Seals

10



Rolled Carbon Steel
Internally Elettroless Nickel Plated
For Superior Sealing And Corrosion Protection
Bronze Bearing
To Guide The Drive Sleeve
Side Load Bar In Alloy Steel
Hard Chromium Plated

Adjustable
End Stroke

Composite Piston Seal
Consisting Of
A Ptfe Slip O-Ring
Energized By An O-Ring
For Extended
Maintenance Freelife

Spring Epoxy Coated Certified
For Performance And Material

Self Lubricating Ptfe
Composite Guide Sleeve
Scotch Yoke
Mechanism
Mounting Pad
To Support Accessories
Frame

Totally Watherproof
And Complete With Relief Valve
Adjustable
End Stroke

Spring Container
Totally Enclosed And Welded

11


RACK AND PINION PNEUMATIC VALVE ACTUATOR
APPLICATION

STANDARD VALVE ACTUATOR DATA

Suitable for butterfly, ball and plug valves for on/off

ACTUATOR SERIES:

or modulating service, powered by instrument air, nitrogen

VRP

PRESSURE RANGE

TEMPERATURE RANGE

40 psig to 145 psig
3 barg to 10 barg


-4° F to 176 ° F
-20° C to 80° C

or natural gas.
STANDARD CHARACTERISTICS
Output torque up to 17,000 in-lbs (1,900 Nm)
Local position indicator
Open and close stroke adjustments within ±5° min.
Frame based on rack and pinion mechanism
Pneumatic Cylinder
High tensile alloy steel spring (for spring return only)

OPTIONAL FEATURES
Hydraulic Manual Override
Mechanical Handwheel

DOUBLE ACTING

SPRING RETURN

Low temperature application up to -31° F (-35° C) with
fluorosilicone seals and low temperature materials
High temperature application up 302° F (150° C) with Viton Seals

12


LINEAR PNEUMATIC DOUBLE ACTING VALVE ACTUATOR
APPLICATION


STANDARD VALVE ACTUATOR DATA

Suitable for gate or rising stem valves for on/off

ACTUATOR SERIES:

or modulating service, powered by instrument air, nitrogen

LPA / LPL

PRESSURE RANGE

TEMPERATURE RANGE

40 psig to 175 psig
3 barg to 12 barg

-4° F to 176 ° F
-20° C to 80° C

or natural gas.

STANDARD CHARACTERISTICS
Output thrust up to 2,248,089 lbs (10,000,000 N)
Local position indicator
Open and close stroke adjustments
Pedestal
Pneumatic Cylinder (refer to page 5)


OPTIONAL FEATURES
Hydraulic Manual Override
Mechanical Handwheel
Low temperature application up to -76° F (-60° C) with
fluorosilicone seals and low temperature materials
High temperature application up 392° F (200° C) with Viton Seals

13


LINEAR PNEUMATIC SPRING RETURN VALVE ACTUATOR
APPLICATION

STANDARD VALVE ACTUATOR DATA

Suitable for gate or rising stem valves for on/off

ACTUATOR SERIES:

or modulating service, powered by instrument air, nitrogen

LPA / LPL

PRESSURE RANGE

TEMPERATURE RANGE

40 psig to 175 psig
3 barg to 12 barg


-4° F to 176 ° F
-20° C to 80° C

or natural gas.

STANDARD CHARACTERISTICS
Output thrust up to 2,248,089 lbs (10,000,000 N)
Local position indicator
Open and close stroke adjustments
Pedestal
Pneumatic Cylinder (refer to page 5)
Spring Container

OPTIONAL FEATURES
Hydraulic Manual Override
Mechanical Handwheel
Low temperature application up to -76° F (-60° C) with
fluorosilicone seals and low temperature materials
High temperature application up 392° F (200° C) with Viton Seals

DOUBLE ACTING

SPRING RETURN

14


QUARTER TURN HYDRAULIC DOUBLE ACTING VALVE ACTUATOR
APPLICATION


STANDARD VALVE ACTUATOR DATA

Suitable for butterfly, ball and plug valves for on/off

ACTUATOR SERIES:

or modulating service, powered by hydraulic supply.

HYS

PRESSURE RANGE

TEMPERATURE RANGE

145 psig to 3000 psig
10 barg to 207 barg

-4° F to 176 ° F
-20° C to 80° C

STANDARD CHARACTERISTICS
Output torque up to 4,500,000 in-lbs (500,000 Nm)
Local position indicator
Open and close stroke adjustments within ±3° min.
Frame based on scotch yoke mechanism (refer to page 4)
Hydraulic Cylinder (refer to page 5)

OPTIONAL FEATURES
Hydraulic Manual Override
Mechanical Handwheel

Low temperature application up to -76° F (-60° C) with
fluorosilicone seals and low temperature materials
High temperature application up 392° F (200° C) with Viton Seals

15


Side Load Bar In Alloy Steel
Hard Chromium Plated

Bronze Bearing
To Guide The Drive Sleeve

Adjustable
End Stroke

Rolled Carbon Steel
Internally Elettroless Nickel Plated
For Superior Sealing And Corrosion Protection
Composite Piston Seal
Consisting Of
A Ptfe Slip O-Ring
Energized By An O-Ring
For Extended
Maintenance Freelife
Self Lubricating Ptfe
Composite Guide Sleeve

Mounting Pad
To Support Accessories

Frame
Totally Watherproof
And Complete With Relief Valve

Scotch Yoke
Mechanism

Adjustable
End Stroke

16


QUARTER TURN HYDRAULIC SPRING RETURN VALVE ACTUATOR
APPLICATION

STANDARD VALVE ACTUATOR DATA

Suitable for butterfly, ball and plug valves for on/off

ACTUATOR SERIES:

or modulating service, powered by hydraulic supply.

HYS

PRESSURE RANGE

TEMPERATURE RANGE


145 psig to 3000 psig
10 barg to 207 barg

-4° F to 176 ° F
-20° C to 80° C

STANDARD CHARACTERISTICS
Output torque up to 4,500,000 in-lbs (500,000 Nm)
Local position indicator
Open and close stroke adjustments within ±3° min.
Frame based on scotch yoke mechanism (refer to page 4)
Hydraulic Cylinder (refer to page 5)
Spring container (refer to page 5)

OPTIONAL FEATURES
Hydraulic Manual Override
Mechanical Handwheel
Low temperature application up to -76° F (-60° C) with
fluorosilicone seals and low temperature materials
High temperature application up 392° F (200° C) with Viton Seals

17


LINEAR HYDRAULIC DOUBLE ACTING VALVE ACTUATOR
APPLICATION

STANDARD VALVE ACTUATOR DATA

Suitable for gate or rising stem valves for on/off


ACTUATOR SERIES:

or modulating service, powered by hydraulic supply.

LHL

PRESSURE RANGE

TEMPERATURE RANGE

145 psig to 3000 psig
10 barg to 207 barg

-4° F to 176 ° F
-20° C to 80° C

STANDARD CHARACTERISTICS
Output thrust up to 2,248,089 lbs (10,000,000 N)
Local position indicator
Open and close stroke adjustments
Pedestal
Hydraulic Cylinder (refer to page 5)
Spring Container

OPTIONAL FEATURES
Hydraulic Manual Override
Mechanical Handwheel
Low temperature application up to -76° F (-60° C) with
fluorosilicone seals and low temperature materials

High temperature application up 392° F (200° C) with Viton Seals

18


LINEAR HYDRAULIC SPRING RETURN VALVE ACTUATOR
APPLICATION

STANDARD VALVE ACTUATOR DATA

Suitable for gate or rising stem valves for on/off

ACTUATOR SERIES:

or modulating service, powered by hydraulic supply.

LHL

PRESSURE RANGE

TEMPERATURE RANGE

145 psig to 3000 psig
10 barg to 207 barg

-4° F to 176 ° F
-20° C to 80° C

STANDARD CHARACTERISTICS
Output thrust up to 2,248,089 lbs (10,000,000 N)

Local position indicator
Open and close stroke adjustments
Pedestal
Hydraulic Cylinder (refer to page 5)
Spring Container

OPTIONAL FEATURES
Hydraulic Manual Override
Mechanical Handwheel
Low temperature application up to -76° F (-60° C) with

COMPACT TYPE

STANDARD TYPE

fluorosilicone seals and low temperature materials
High temperature application up 392° F (200° C) with Viton Seals

19


QUARTER TURN GAS OVER OIL VALVE ACTUATOR
APPLICATION

STANDARD VALVE ACTUATOR DATA

Suitable for ball or plug valves for gas pipeline application,

ACTUATOR SERIES:


powered by natural gas or nitrogen.

GOH / GOM / GOS

PRESSURE RANGE
145 psig to 1500 psig
10 barg to 103 barg

TEMPERATURE RANGE
-4° F to 176 ° F
-20° C to 80° C

STANDARD CHARACTERISTICS
Double Acting
Output torque up to 4,596,179 in-lbs (500,000 N)
Local position Indicator
Gas Over Oil Tanks (Stamped or Not, PED)
Hydraulic Manual Override, High Pressure Filter and Open / Close Stroke Adjustment
High Pressure Local and Remote Control for automatic operation
Frame based on scotch yoke mechanism (refer to page 4)
High Pressure Cylinder (refer to page 5)

OPTIONAL FEATURES
Gas Storage Tank (Stamped or Not, PED)
Low temperature application up to -76° F (-60° C) with fluorosilicone seals and low
temperature materials
High temperature application up 392° F (200° C) with Viton Seals

20



Gas Over Oil Tank
Limit Switch Housing
With Position Indicator

Control Group

Frame
Totally Watherproof
And Complete With Relief Valve

Hydraulic Cylinder

Junction Box
Dehydrator Filter

Flow Control Valve

Hydraulic Pump

Manual Distributor

Adjustable End Stroke

21


LINEAR GAS OVER OIL VALVE ACTUATOR
APPLICATION


STANDARD VALVE ACTUATOR DATA

Suitable for gate or rising stem valves for

ACTUATOR SERIES:

gas pipeline application, powered by natural gas or nitrogen.

GOL

PRESSURE RANGE
145 psig to 1500 psig
10 barg to 103 barg

TEMPERATURE RANGE
-4° F to 176 ° F
-20° C to 80° C

STANDARD CHARACTERISTICS
Double Acting
Output thrust up to 4,496,179 lbs (20,000,000 N)
Local position Indicator
Gas Over Oil Tanks (Stamped or Not, PED)
Hydraulic Manual Override, High Pressure Filter and Open / Close Stroke Adjustment
High Pressure Local and Remote Control for automatic operation
High Pressure Cylinder (refer to page 5)

OPTIONAL FEATURES
Gas Storage Tank (Stamped or Not, PED)
Low temperature application up to -76° F (-60° C) with fluorosilicone seals and low

temperature materials
High temperature application up 392° F (200° C) with Viton Seals

22


Lifting Points

Pneumatic Cylinder

Position Indicator

Limit Switch

Control Group

Manual Distributor

Junction Box

Gas Over Oil Tank

23
Dehydrator Filter

Pedestal

Hydraulic Pump

Flow Control Valve



QUARTER TURN DIRECT GAS VALVE ACTUATOR
APPLICATION

STANDARD VALVE ACTUATOR DATA

Suitable for ball or plug valves for gas pipeline application,

ACTUATOR SERIES:

powered by natural gas or nitrogen.

GDS

PRESSURE RANGE
145 psig to 1500 psig
10 barg to 103 barg

TEMPERATURE RANGE
-4° F to 176 ° F
-20° C to 80° C

STANDARD CHARACTERISTICS
Double Acting
Output torque up to 4,596,179 in-lbs (500,000 N)
Local position Indicator
Hydraulic Manual Override, High Pressure Filter and Open / Close Stroke Adjustment
High Pressure Local and Remote Control for automatic operation
Frame based on scotch yoke mechanism (refer to page 4)

High Pressure Cylinder (refer to page 5)

OPTIONAL FEATURES
Gas Storage Tank (Stamped or Not, PED)
Low temperature application up to -76° F (-60° C) with fluorosilicone seals and low
temperature materials
High temperature application up 392° F (200° C) with Viton Seals

24


Control Group

Hydraulic Cylinder
For Manual Override

Limit Switch Housing
With Position Indicator
Frame
Totally Watherproof
And Complete With Relief Valve

Direct Gas Cylinder

Junction Box
Dehydrator Filter

Hydraulic Pump

Manual Distributor


Adjustable
End Stroke

25