Bettis Bettis PressureGuard Self-Contained Hydraulic Emergency Shutdown Systems for Rotary or Non-API 6A Linear Valves Manuals & Guides

Installation and Maintenance Manual

E-90090005 Rev. A

March 2014

Bettis™ PressureGuard™ Self-Contained
Hydraulic Emergency Shutdown Systems

For Rotary or Non-API 6A Linear Valves

Installation and Maintenance Manual

E-90090005 Rev. A

Table of Contents

Section 1: Safety Warning ����������������������������������������������������1

Section 2: Introduction

2.1 General Service Information ........................................................................... 2

2.2 Definition of Terms ......................................................................................... 3

2.3 Scope ............................................................................................................. 3

Section 3: Storage Instructions ���������������������������������������������4

Section 4: Operation

4.1 Manual Mode ................................................................................................. 6

4.2 Automatic Mode ............................................................................................ 7

4.3 Shutdown Mode ............................................................................................ 7

Table of Contents

March 2014

Section 5: Installation ����������������������������������������������������������� 8

Section 6: Maintenance

6.1 Regular Maintenance ................................................................................... 13

6.2 Troubleshooting ........................................................................................... 14

Section 7: Document Revision ��������������������������������������������16

Appendix A: List of Tables ���������������������������������������������������17

Appendix B: List of Figures ��������������������������������������������������18

Appendix C: List of Drawings ����������������������������������������������19

ITable of Contents

Section 1:Safety Warning

March 2014

Section 1: Safety Warning

All personnel involved should read and understand all applicable sections of this manual before
attempting to install, operate, service, or perform maintenance on any operators. Adhere to
any tags, warning labels, or instructions presented on the operator. These may provide more
specific and significant information regarding the operator than this general manual can.

It is the responsibility of the user to ensure proper safety. Always take necessary precautions
and utilize proper personal protective equipment when dealing with compressed air,
compressed hydraulic fluid, pinch points, and electricity.

It is necessary to rig and lift valve and operator separately. Service personnel need to ensure the
lifting capacity of the crane/hoist/rigging is appropriate for the desired load.

Block the power gas supply and depressurize the system before attempting to install or service.
Isolate the power gas from controls if the operator is supplied with control system.

Caustic gases and fluids may be contained in the operators and valves in most applications.
Vent all poisonous or flammable gases and store all liquids in a safe location to prevent
personnel injury. Discharge at sonic velocity may occur when venting or releasing pressure;
service personnel must utilize proper hearing protection.

Installation and Maintenance Manual

E-90090005 Rev. A

The following are general instructions since there are variations of linear operators and valves.
It is critical to install the operator properly so that performance and safety are guaranteed.
Any technicians using the following instructions must be trained and knowledgeable regarding
valve operators and valves.

It is required to go through the above instructions which will help to prevent personnel injury,
property damage, and damage to operator.

Safety notices (warning, caution, and note) are presented in this manual in three forms:

WARNING:

If not observed, user incurs a high risk of severe damage to operator and/or fatal injury to personnel.

CAUTION:

If not observed, user may incur damage to operator and/or injury to personnel.

NOTE:

Advisory and informational comments provided to assist maintenance personnel to per­form maintenance procedures.

Please refer to the applicable section for details and further information.

1

Safety Warning

Installation and Maintenance Manual

E-90090005 Rev. A

Section 2: Introduction

2�1 General Service Information

BETTIS™ PressureGuard™ is a self-contained hydraulic Emergency Shutdown (ESD) system.
It is designed to provide reliable valve shutdown on production wellheads in remote
locations where automatic local valve ESD is required, but a power source is not available
and/or local supervision is minimal.

Available as a complete, tailored-solution, BETTIS™ PressureGuard™ usually consists of
a self-contained hydraulic module, a hydraulic operator, and application-specific
shutdown trigger accessories. PressureGuard™ systems can be configured for rotary
hydraulic operators for use with ball, plug, and other quarter-turn valves, as well as non-6A
linear-operated valves. A variety of shutdown trigger controls including pressure pilots,
solenoid valves, and a temperature-sensing fusible plug are available to suit application
requirements. Instructions for installing BETTIS™ PressureGuard™ system are provided in
Section 5.

(Installation)

.

Section 2: Introduction

March 2014

Under normal conditions, BETTIS™ PressureGuard™ maintains the valve in its operational
position by resisting the spring force with hydraulic fluid pressure. In an event requiring
automatic ESD valve operation, the PressureGuard™ employs a control component to
shift hydraulic fluid from the valve operator to an internal reservoir. Without fluid pressure,
the compressed spring in the operator moves the valve to its shutdown position. Further
information on the operation of BETTIS™ PressureGuard™ is provided in Section 4

(Operation)

Through robust design and quality construction, minimal maintenance is required of
BETTIS™ PressureGuard™. The ESD system is shipped fully-lubricated and serviced.
Depending upon service type, a varying degree of maintenance is required and will be
detailed subsequently in Section 6.
in Section 6.2.

Additional drawings and valve-specific information is provided in Appendix C

(List of Drawings)

.

(Troubleshooting)

.

(Maintenance)

in an unlikely event the ESD system displays a problem.

. Troubleshooting guide is also provided

Introduction

2

Section 2: Introduction

March 2014

2�2 Definition of Terms

The abbreviations included in this IOM manual are listed in the table below:

Table 1� Definition of Terms

Abbreviated Term Definition

IOM Installation, Operation, and Maintenance
SCH Self-Contained Hydraulic
ESD Emergency Shutdown

GVO Gate Valve Operator Series

FS Fail Safe
SR Spring Return

HP High Pressure

LP Low Pressure

MAWP Maximum Allowable Working Pressure

ID Inside Diameter

OD Outside Diameter

Installation and Maintenance Manual

E-90090005 Rev. A

2�3 Scope

This manual is a resource for technicians involved in the installation, operation, and
maintenance of Bettis™ PressureGuard™. It serves as a guide and must be thoroughly
understood prior to any work on the operators such as installation, operation, or
maintenance. For any questions, please contact the manufacturer.

3

Introduction

Installation and Maintenance Manual

E-90090005 Rev. A

Section 3: Storage Instructions

Section 3: Storage Instructions

Proper storage is required when the operator will not be used immediately.

1. Remove all dirt, dust, grease, and contaminants from any exposed, unpainted
surface (for example, Drive Rod OD, Yoke ID) by using a soft cloth dampened with
an appropriate oil based solvent. Avoid using abrasive material when cleaning rod
surfaces.

2. Lightly grease any exposed, unpainted surfaces.

3. Any plastic plugs used to plug the pressure ports during assembly should be
removed and replaced with steel plugs. All controls should also be plugged with
steel plugs.

NOTE:

Sealants such as pipe dope or Teflon tape should be applied to steel plug threads.

March 2014

4. Lightly lubricate all exposed threads and unpainted surfaces
(for example, mounting surfaces).

5. Cover the PressureGuard™ to prevent accumulation of dirt and debris.

6. Repeat the storage steps listed above to ensure the proper storage condition
(in case the PressureGuard™ will be moved and stored again).

Indoor environment is the ideal storage condition for BETTIS™ PressureGuard™.
For additional information on storage, please contact the manufacturer.

Storage Instructions

4

Section 4: Operation

March 2014

Section 4: Operation

Installation and Maintenance Manual

E-90090005 Rev. A

Before operating BETTIS™ PressureGuard™ system, it is critical to know its components
and understand what they do. Refer to Figure 1.

PressureGuard™)

BETTIS

TM

PressureGuard™ Components and Descriptions)

(
PressureGuard™ system.

Figure 1 SCH Module Portion of BETTIS™ PressureGuard™

, Figure 3.

(BETTIS

TM

PressureGuard™ Schematic)

(SCH Module Portion of BETTIS

, and Table 2.

for components in BETTIS™

TM

5

Operation

Installation and Maintenance Manual

E-90090005 Rev. A

4�1 Manual Mode

1. Lift/pull the toggle on the Reset Valve (23) and latch it in the upward position
(pane #1 of Figure 2.

2. Stroke the Handpump (3) to pressurize the SCH module and begin applying
pressure to the operator’s Piston (refer to Appendix C
for diagrams of typical rotary and linear operators) to move the valve to its
operational position.

Figure 2 Three Modes of Reset Valve

(Three Modes of Reset Valve))

Section 4: Operation

.

(List of Drawings)

March 2014

3. The resistance of the Handpump (3) to pumping will increase noticeably when
the valve reaches its full operational position. Pump approximately one-half of
additional stroke at this point. The High Pressure Gauge (9) will read above the
minimum operating pressure of the operator, and if so equipped, its needle will
rest in the middle of the green band.

4. At this point, hydraulic fluid pressure in the SCH module and operator cylinder
opposing the operator spring forces to hold the line valve in position.

NOTE:

Plug the Low Pressure Port (L) if the signal device is not connected to the manifold to
prevent fluid loss from the manifold. Follow the instructions above to operate the unit.

Operation

6

Section 4: Operation

March 2014

4�2 Automatic Mode

The primary mode for BETTIS™ PressureGuard™ is its Automatic Mode. This is the mode
in which the system is to be set in the field when technicians are not actively inspecting or
maintaining wellhead components or resetting the system.

1. BETTIS™ PressureGuard™ enters and stays in Automatic Mode after step #4 in
the preceding section is completed as long as signal device(s)
(for example, Pressure Pilot (14)) are satisfied and Solenoid Valve(s) (20) (if any)
are returned to normal operating condition.

2. In Automatic Mode, the Reset Valve (23) toggle will extend past its latched position
from Manual Mode and will hang loosely (pane #2 of Figure 2.

(Three Modes of Reset Valve))

4�3 Shutdown Mode

Installation and Maintenance Manual

E-90090005 Rev. A

.

There are several ways in which BETTIS™ PressureGuard™ can move the valve and enter
in shutdown mode.

1� Manual Shutdown

Technician can manually close the valve by pushing down the toggle on the
Reset Valve (23) or switching the Selector Valve to “Manual”. Manually initiated
shutdown mode will usually be used for servicing the pipeline of BETTIS™
PressureGuard™ system.

2� Signal Devices

a. If the Pressure Pilot (14) senses that the pipeline pressure is outside the

customer’s defined setpoints, it will release holding pressure from the
operator, letting the operator’s spring move the valve to its shutdown
position.

b. If the Solenoid Valve(s) (20) receives an electrical signal, it will also release

holding pressure from the operator, letting the operator’s spring move
the valve to its shutdown position.

Shutdown initiated by the signal device(s) will likely be an ESD event.

The Reset Valve (23) toggle will be unlatched and flattened against the
valve body (pane #3 of Figure 2.
of how shutdown occurs. Returning the valve to its operational position
can only be accomplished manually and will require a technician to go to
the valve and reset BETTIS™ PressureGuard™.

(Three Modes of Reset Valve))

regardless

7

Operation

Installation and Maintenance Manual

E-90090005 Rev. A

Section 5: Installation

Figure 3 BETTIS™ PressureGuard™ Schematic�

Section 5: Installation

March 2014

Installation

8

Section 5: Installation

March 2014

Table 2� BETTIS™ PressureGuard™ Components and Descriptions

Item Component Description

1 Operator Rotary or linear (shown) hydraulic operator.

Installation and Maintenance Manual

E-90090005 Rev. A

2 Line Valve

3 Handpump

4 Filter Filters hydraulic fluid before entering Handpump (3) and controls.

5 Check Valve Holds high pressure when Handpump (3) is stroked.

6 Gauge, LP

8 Breather Ventilates Reservoir (24) as volume changes.

9 Gauge, HP

10 High-Pressure Relief Valve

12 Pressure Regulator Regulates the hydraulic fluid pressure in the control circuit.

13 Low-Pressure Relief Valve

14* Pressure Pilot Directly monitors pipeline pressure and can trip ESD.

ns* Selector Valve

Ball, plug, and others, quarter turn or non-6A linear valve

(shown).

Used to manually pressurize BETTIS™ PressureGuard™

and open a valve.

Stainless steel liquid-filled gauge shows the control pressure

(low-range).

Stainless steel liquid-filled gauge shows the operator pressure

(high-range).

A high-pressure relief valve protects the operator and control

system from overpressurization caused by thermal expansion.

A low-pressure relief valve protects control circuit from

overpressurization caused by thermal expansion.

Allows selection of automatic command (via Pressure Pilot (14)
and/or Solenoid Valve (20)) or manual command (by technician

at BETTIS™ PressureGuard™ using Reset Valve (23) and/or

Handpump (3)).

20* Solenoid Valve, N.C. Allows remote command of ESD.

A latching trip relay reset valve provides quick closing speeds.

23 Reset Valve

24 Fluid Reservoir Contains the hydraulic fluid for the operator Cylinder and controls.

26 Fluid Level Gauge For visual indication of the hydraulic fluid level and condition.

27 Accumulator

-* Isolation Test Valve

* = Optional component, per customer specification.
ns = Not shown.

9

A manual reset function for local reopening of the valve and

manual closing function.

Prevents cyclic transfer due to temperature change of fluid from
high pressure operator supply circuit to the low pressure control

circuit, and thereby prevents temperature induced creep of

the operator.

Typically used to isolate the pressure from the pipeline to the

sensing device (Pressurematic™).

Installation

Installation and Maintenance Manual

E-90090005 Rev. A

5�1 SCH Installation

Section 5: Installation

March 2014

Please refer to Figure 3.
system. While not necessarily a typical configuration, Figure 3.

Schematic)

control options available from BETTIS™ PressureGuard™ system.

The Self-Contained Hydraulic (SCH) module is fully-lubricated, filled with hydraulic fluid,
and adjusted as-delivered from the factory. An aviation grade hydraulic fluid (UNIVIS HVI
13 or equivalent) is used in all operator systems, unless a different fluid is requested by
the customer. The SCH module is usually factory installed on the operator, but can be field
installed by the user.

NOTE:

Any hydraulic or electrical connections that need to be made in the field will be tagged at
the factory.

Typical specifications of available SCH modules include:

• Medium pressure SCH module with HP-2SC Handpump:

275 [psi] MAWP

illustrates the connections, operating method, and a variety of sensing and

— Includes 0 to 600 [psi] HP gauge and 0 to 200 [psi] LP gauge.

— HP Relief set at 275 [psi].

— LP Relief set at 140 [psi].

— Regulator set at 90 to 100 [psi].

(BETTIS

TM

PressureGuard™ Schematic)

for an example of ESD

(BETTIS

TM

PressureGuard™

Installation

• High pressure SCH modules with HP-2SC or BHP 3 Handpumps available for

several pressures:

2000 [psi] MAWP

— Includes 0 to 2000 [psi] HP gauge and 0 to 200 [psi] LP gauge.

— HP Relief set at 1500 to 1750 [psi].

— LP Relief set at 140 [psi].

— Regulator set at 90 to 100 [psi].

3000 [psi] MAWP

— Includes 0 to 3000 [psi] HP gauge and 0 to 200 [psi] LP gauge.

— HP Relief set at 2000 to 3000 [psi].

— LP Relief set at 140 [psi].

— Regulator set at 90 to 100 [psi].

• Additional higher pressure SCH modules are available. Please consult factory for

details.

10

Section 5: Installation

March 2014

Common components of a low and high pressure systems include:

• Reset Valve requiring 40 to 60 [psi] on the signal port to sustain auto mode.

• Solenoid valve with voltage of 12 [VDC], 24 [VDC], 125 [VDC], or 120 [VAC]

• High/Low pressure pilot upper block connected to the Self-Contained Hydraulic

• Standard reservoirs are:

Installation and Maintenance Manual

E-90090005 Rev. A

The reset valve may also be referred to as ‘pilot to close valve’, ‘toggle valve’, or
‘manual pilot valve’.

with MAWP 150 [psi] to be specified by user.

module with an operating pressure from 60 to 5000 [psi]. Process sensing pressure
MAWP depends on the manufacturer.

— Cast aluminum (for volumes less than or equal to 200 [cu-in]).

— Fabricated steel (for volumes greater than 200 [cu-in] and optional in

place of cast aluminum).

NOTE:

Advise the model and serial number of equipment when requesting for parts.

To install in the field, first mount the SCH to the operator using the provided brackets and
mounting bolts. Second, make the hydraulic connections per the schematic in Figure 3.

(BETTIS

TM

PressureGuard™ Schematic)

and the factory-placed tagging.

Ports on the manifold assembly will be identified as:

(H) High-pressure hydraulic supply to the operator.

(L) Low-pressure hydraulic supply for monitoring/devices.

(S) Low-pressure hydraulic signal for Reset Valve (23) from monitoring/ESD devices.

(V) Vent or return line to allow off-panel devices to return the hydraulic oil to reservoir.

Depending upon customer specifications, the control portion’s Solenoid Valve(s) (20),
if applicable, have been factory installed and tubed and are ready for electrical
connections.
Also, depending upon customer specifications, a Pressure Pilot (14) may be included and
require tubing to a pressure signal line. The breather/fill port of the Reservoir (24) may
be plugged with a metal or plastic plug: if so, remove and replace with the Breather (8)
provided in the bag attached to the unit.

11

Installation

Installation and Maintenance Manual

E-90090005 Rev. A

NOTE:

Check all hydraulic connections for leak.

5�2 Operator Installation

BETTIS™ PressureGuard™ system is usually delivered from the factory with the SCH
module installed on the operator. In this case, install the system per the instructions
provided in the Installation, Operation, and Maintenance manual applicable to the type of
operator in the system. Please refer to Table 3.

(Operators and IOM Manuals)

Table 3� Operators and IOM Manuals

for this information.

Section 5: Installation

March 2014

Operator Type

E-Series Rotary and Linear Operators I-0004

Rotary Gas / Hydraulic Operator I-0006

Linear Gas / Hydraulic Operator I-0021

Gate Valve Operator Type GVO-LP-FS/SR E-90090003

Make the electrical and hydraulic connections required by the SCH module after installing
the operator with its integrated SCH module.

NOTE:

Check all hydraulic connections for leak.

Installation, Operation, and

Maintenance Manual Number

Installation

12

Section 6: Maintenance

March 2014

Section 6: Maintenance

NOTE:

It is recommended to read this manual entirely prior to performing any maintenance work
on BETTIS™ PressureGuard™.

Contact BETTIS™ for assistance should the technician have any questions or feel that a
certain procedure cannot be performed safely.

CAUTION: BLEED OFF ALL CONTROL PRESSURE

Proper personal protective equipment should be worn at all times while working on the
equipment. Operator assemblies contain pressurized fluids and compressed springs.

Do not attempt to remove any components or perform any service work with the operator
under pressure. Bleed off all control pressure and disconnect control pressure supply lines
before performing any service to the operator. Failure to do so could result in equipment
damage or serious personal injury.

Installation and Maintenance Manual

E-90090005 Rev. A

NOTE:

Keep all elastomers and/or replacement parts in original packaging until its ready to install.
Inspect all parts (new or used) for burrs, sharp edges, or damages prior to reassembly.
Special attention should be given to all sealing surfaces for damage.
All parts should be clean and properly lubricated prior to reassembly.

6�1 Regular Maintenance

Regular maintenance (though rarely called for) is critical to ensure that BETTIS™
PressureGuard™ will function within its ESD capacity when needed.

1� SCH Maintenance

NOTE:

Perform routine maintenance on SCH module each autumn (at minimum) or more
frequently if it better aligns with the requirements of the valve.

NOTE:

This product is only intended for use in large-scale fixed installations excluded from the
scope of Directive 2011/65/EU on the restriction of the use of certain hazardous substances
in electrical and electronic equipment (RoHS 2).

13

Maintenance

Installation and Maintenance Manual

E-90090005 Rev. A

1. Drain any accumulated moisture from Fluid Reservoir (24) by opening the
drain plug.

2. Check, clean and/or replace the Filter Element(s) (4).

3. Check the Pressure Relief Valves' (10 and 13) setpoints and reset values.

4. Check the operation and calibration of the control equipment if possible using
the Isolation Test Valve (28) (Pressure Pilot (14) and/or Solenoid (20)).

5. Top up the hydraulic fluid with compatible fluid.

Refer to BETTIS™ Pressurematic™ manual (document number ‘I-0220’, available from the
factory or online at ‘www.emerson.com’).

2� Operator Maintenance

Routine maintenance is required for the operator to function as designed. Refer to the IOM
manual for the specific type of operator in the system per Table 3.

(Operators and IOM Manuals)

Section 6: Maintenance

March 2014

.

6�2 Troubleshooting

1� SCH Module Troubleshooting

Any visible leaks from the SCH module should draw troubleshooting focus.

NOTE:

Figure 3.
system supplies the low pressure regulated side. Therefore, any leakage on the low pressure
side will cause significant changes in high pressure gauge values in a short time period.

Depressurize the system before removing/disassembling any components on the manifold.

Vent/return lines will assist in tracing the leakage. This will be done without cycling the unit
but with the pressurized removal of the reservoir and off-panel device.

To accomplish this:

(BETTIS

1. Remove the vent line from the pilot/solenoid vent port. This isolates it from the

TM

PressureGuard™ Schematic)

SCH module and allows for observation of any oil leakage through the device.
This checks poppet/spool and spool sleeve O-ring seal in operating positions.

shows that the high pressure side of the

Maintenance

2. Remove the reservoir from module to observe components
(reliefs and reset valve) for oil leakage while under normal operating pressures.

14

Section 6: Maintenance

March 2014

3. Remove the filter plug, spring, and filter in Handpump sub plate to observe

4. Remove the fitting and tubing or plug from module second vent port to

5. Remove the operator inspection cover/plate and/or tubing from the Cylinder

In case of pumping problems, access to pump suction valve is gained by removing the
pump assembly from sub plate. Pumping difficulties usually result from dirty filter element,
contaminated oil (water, methanol), or incorrect fluid type.

Failure of the regulator is indicated by pressure on the LP Gauge (9) exceeding the setpoint
by more than 5 [psi].

Installation and Maintenance Manual

E-90090005 Rev. A

the backside of HP discharge. Check for leakage across and around it with high
pressure being applied.

observe any oil leakage due to manifold porosity between the LP channel and
the Vent channel.

plate port to observe any oil leakage across the Piston seal and the Piston
center O-ring.

2� SCH Module Troubleshooting

Refer to IOM manual listed in Table 3.
troubleshooting the specific operator portion of BETTIS™ PressureGuard™.

(Operators and IOM Manuals)

to assist in

15

Maintenance

Installation and Maintenance Manual

E-90090005 Rev. A

Section 7: Document Revision

Table 4� Revision Overview

ECN DATE REV BY * DATE

Released

Reviewed CHECKED

Approved APPROVED E. Carrillo April 2014

March 2014 A

COMPILED J. Quilon March 2014

Section 7: Document Revision

March 2014

Document Revision

16

Appendix

March 2014

Appendix A: List of Tables

Table 1. Definition of Terms ............................................................................................... 3

Table 2. BETTIS™ PressureGuard™ Components and Descriptions ..................................... 9

Table 3. Operators and IOM Manuals ...............................................................................12

Table 4. Revision Overview .............................................................................................. 16

Installation and Maintenance Manual

E-90090005 Rev. A

17

Appendix

Installation and Maintenance Manual

E-90090005 Rev. A

Appendix B: List of Figures

Figure 1. SCH Module Portion of BETTIS™ PressureGuard™ ................................................. 5

Figure 2. Three Modes of Reset Valve .................................................................................6

Figure 3. BETTIS™ PressureGuard™ Schematic .................................................................... 8

Appendix

March 2014

Appendix

18

Appendix

March 2014

Installation and Maintenance Manual

Appendix C: List of Drawings

C�1 SCH Module and Components

1.

E-90090005 Rev. A

19

Appendix

Installation and Maintenance Manual

E-90090005 Rev. A

2.

Appendix

March 2014

Appendix

20

Appendix

March 2014

Installation and Maintenance Manual

E-90090005 Rev. A

3.

21

Appendix

Installation and Maintenance Manual

E-90090005 Rev. A

4.

Appendix

March 2014

Appendix

22

Appendix

March 2014

Installation and Maintenance Manual

E-90090005 Rev. A

5.

23

Appendix

Installation and Maintenance Manual

E-90090005 Rev. A

Appendix

March 2014

C�2 GVO-FS Operator Cutaway and Components

Appendix

24

Appendix

March 2014

C�3 Quarter-Turn Operator

Cutaway and Components

1.

Installation and Maintenance Manual

E-90090005 Rev. A

25

Appendix

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TM

is a mark of one of the Emerson family of companies.

Bettis
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they are not to be construed as warranties or guarantees, express or
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