Petroleum, petrochemical and natural gas industries — Lubrication, shaft-sealing and control-oil systems and auxiliaries — Part 1: General requirements

ISO 10438-1:2003 specifies general requirements for lubrication, shaft-sealing and control-oil systems and auxiliaries for use in the petroleum, petrochemical and natural gas industries. It is intended to be used in conjunction with ISO 10438-2, ISO 10438-3 or ISO 10438-4, as appropriate. ISO 10438 in its entirety specifies requirements for lubrication systems, oil-type shaft-sealing systems, self-acting gas seal systems, control-oil systems and other auxiliaries for general- or special-purpose applications. These systems can serve equipment such as compressors, gears, pumps and drivers. None of the parts of ISO 10438 is applicable to internal combustion engines.

Industries du pétrole, de la pétrochimie et du gaz naturel — Systèmes de lubrification, systèmes d'étanchéité, systèmes d'huile de régulation et leurs auxiliaires — Partie 1: Exigences générales

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Publication Date
08-Dec-2003
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08-Dec-2003
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9599 - Withdrawal of International Standard
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03-Dec-2007
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INTERNATIONAL ISO
STANDARD 10438-1
First edition
2003-12-15


Petroleum, petrochemical and natural gas
industries — Lubrication, shaft-sealing
and control-oil systems and auxiliaries —
Part 1:
General requirements
Industries du pétrole, de la pétrochimie et du gaz naturel — Systèmes
de lubrification, systèmes d'étanchéité, systèmes d'huile de régulation
et leurs auxiliaires —
Partie 1: Exigences générales





Reference number
ISO 10438-1:2003(E)
©
ISO 2003

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ISO 10438-1:2003(E)
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ii © ISO 2003 – All rights reserved

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ISO 10438-1:2003(E)
Contents Page
Foreword. iv
Introduction . v
1 Scope. 1
2 Normative references. 1
3 Terms, definitions and abbreviated terms. 2
3.1 Terms and definitions. 2
3.2 Abbreviated terms. 6
4 Dimensions and units. 8
5 System selection. 8
6 Basic design. 8
6.1 Pressure design code. 8
6.2 Design. 8
7 Piping. 9
7.1 General. 9
7.2 Oil piping. 13
7.3 Instrument piping. 13
7.4 Process piping. 13
8 Intercoolers and aftercoolers. 13
9 Instrumentation, control and electrical systems . 14
9.1 General. 14
9.2 Instrument installation. 15
9.3 Alarms and shutdowns. 16
9.4 Instrumentation. 16
9.5 Electrical systems. 19
10 Inspection, testing, and preparation for shipment . 20
10.1 General. 20
10.2 Inspection. 20
10.3 Testing. 22
10.4 Preparation for shipment . 23
11 Vendor’s data. 24
11.1 General. 24
11.2 Proposals. 25
11.3 Contract data. 26
Annex A (informative) Data sheets . 28
Annex B (informative) Typical responsibility matrix worksheet. 35
Annex C (informative) Vendor drawings and data requirements . 37
Annex D (informative) Filter ratings and cleanliness standards . 41
Bibliography . 52


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ISO 10438-1:2003(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 10438-1 was prepared by Technical Committee ISO/TC 67, Materials, equipment and offshore structures,
for the petroleum, petrochemical and natural gas industries, Subcommittee SC 6, Processing equipment and
systems.
ISO 10438 consists of the following parts, under the general title Petroleum, petrochemical and natural gas
industries — Lubrication, shaft-sealing and control-oil systems and auxiliaries:
 Part 1: General requirements
 Part 2: Special-purpose oil systems
 Part 3: General-purpose oil systems
 Part 4: Self-acting gas seal support systems

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ISO 10438-1:2003(E)
Introduction
ISO 10438 is based on API Std 614, 4th edn., April 1999, divided into four parts as follows:
 Part 1: General requirements (this part) is based on Chapter 1 of API Std 614;
 Part 2: Special-purpose oil systems is based on Chapter 2 of API Std 614;
 Part 3: General-purpose oil systems is based on Chapter 3 of API Std 614;
 Part 4: Self-acting gas seal support systems is based on Chapter 4 of API Std 614.
Users of this part of ISO 10438 should be aware that further or differing requirements may be needed for
individual applications. This part of ISO 10438 is not intended to inhibit a vendor from offering, or the
purchaser from accepting, alternative equipment or engineering solutions for the individual application. This
may be particularly appropriate where there is innovative or developing technology. Where an alternative is
offered, the vendor should identify any variations from this part of ISO 10438 and provide details.
This part of ISO 10438 requires the purchaser to specify certain details and features.
A bullet (•) at the beginning of a clause or sub-clause indicates that either a decision is required or further
information is to be provided by the purchaser. This information or decision should be indicated on suitable
data sheets; otherwise it should be stated in the quotation request (inquiry) or in the order.

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INTERNATIONAL STANDARD ISO 10438-1:2003(E)

Petroleum, petrochemical and natural gas industries —
Lubrication, shaft-sealing and control-oil systems and
auxiliaries —
Part 1:
General requirements
1 Scope
This part of ISO 10438 specifies general requirements for lubrication, shaft-sealing systems and control-oil
systems and auxiliaries for use in the petroleum, petrochemical and natural gas industries as well as in other
industries by agreement. It is intended to be used in conjunction with ISO 10438-2, ISO 10438-3 and
ISO 10438-4, as appropriate. ISO 10438 in its entirety specifies requirements for lubrication systems, oil-type
shaft-sealing systems, self-acting gas seal systems, control-oil systems and other auxiliaries for general- and
special-purpose applications. These systems can serve equipment such as compressions, gears, pumps and
drivers.
None of the parts of ISO 10438 is applicable to internal combustion engines.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
ISO 7-1, Pipe threads where pressure-tight joints are made on the threads — Part 1: Dimensions, tolerances
and designations
ISO 7005 (all parts), Metallic flanges
ISO 10437, Petroleum, petrochemical and natural gas industries — Steam turbines — Special-purpose
applications
ISO 13706, Petroleum and natural gas industries — Air-cooled heat exchangers
ISO 16812, Petroleum and natural gas industries — Shell-and-tube heat exchangers
IEC 60072 (all parts), Dimensions and output series for rotating electrical machines
IEC 60079 (all parts), Electrical apparatus for explosive gas atmospheres
API RP 520, Parts I and II, Sizing, selection and installation of pressure-relieving devices in refineries
API Std 526, Flanged steel pressure relief valves
API RP 551, Process measurement instrumentation
API Std 611, General-purpose steam turbines for petroleum, chemical, and gas industry services
ASME B1.1, Unified inch screw threads (UN and UNR thread form)
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ISO 10438-1:2003(E)
ASME B16.11, Forged fittings, socket-welding and threaded
ASME Y14.2M, Line conventions and lettering
ASTM A 193, Standard specification for alloy-steel and stainless steel bolting materials for high-temperature
service
ASTM A 194, Standard specification for carbon and alloy steel nuts for bolts for high-pressure or high-
temperature service, or both
ASTM E 94, Standard guide for radiographic examination
ASTM E 125, Standard reference photographs for magnetic particle indications on ferrous castings
ASTM E 709, Standard guide for magnetic particle examination
NFPA 70:2002, National electrical code
TEMA, Standards of the Tubular Exchanger Manufacturers Association, 8th edn.
3 Terms, definitions and abbreviated terms
For the purposes of this document, the following terms, definitions and abbreviated terms apply.
3.1 Terms and definitions
3.1.1
alarm point
preset value of a parameter at which an alarm warns of a condition requiring corrective action
3.1.2
block-in time
period required after the driver is tripped to isolate a piece of equipment, such as a compressor, from its
system and to de-pressurize it
3.1.3
booster pump
oil pump that takes suction from the discharge of another pump to provide oil at a higher pressure
3.1.4
coast-down time
period required after the driver is tripped for the equipment to come to rest
3.1.5
component
machinery and hardware item, such as reservoir, pump, cooler, filter, valve and instrument, that is part of the
system
3.1.6
console
total system whose components and controls are packaged as a single unit on a continuous or joined
baseplate
NOTE With a console, the purchaser needs only to make external connections.
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ISO 10438-1:2003(E)
3.1.7
continuous-flow transfer valve
valve that can simultaneously divert both inlet and outlet flows from one component to its installed spare
equipment without altering the continuity of full flow through the transfer valve to the equipment
3.1.8
control oil
oil required to operate such components as relays, servomotors and power pistons on the main equipment
3.1.9
cool-off time
period during which oil has to be circulated through the equipment to prevent heat damage after the driver is
tripped
3.1.10
emergency oil pump
separate oil pump that provides adequate pressure and capacity to permit safe shutdown of the equipment
when the main and standby pumps are inoperable
3.1.11
equipment
main machinery served by the oil or gas system
3.1.12
gas seal module
arrangement of piping, filters and instrumentation used to control and monitor the pressure or flow of seal,
buffer, or separation gas to the equipment shaft-end seals
3.1.13
gauge board
un-enclosed bracket or plate used to support and display gauges, switches and other instruments
3.1.14
general purpose
application that is usually spared or is in non-critical service
3.1.15
local
mounted on or near the equipment or console
3.1.16
main oil pump
oil pump that is normally in operation
3.1.17
maximum allowable temperature
maximum continuous temperature for which the manufacturer has designed the equipment (or any part to
which the term refers) when handling the specified fluid at the specified pressure
3.1.18
maximum allowable working pressure
maximum continuous pressure for which the manufacturer has designed the console or components when
handling the specified fluid at the maximum allowable temperature
3.1.19
maximum sealing pressure
highest pressure expected at the seals during any specified static or operating conditions and during start-up
and shutdown
NOTE Considerations should include both relief valve settings and relief-valve accumulation pressure.
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ISO 10438-1:2003(E)
3.1.20
multiple-package arrangement
total oil supply system whose components are separated into individually packaged units
NOTE With this arrangement, the purchaser need only install the interconnections between the packages and the
external connections.
3.1.21
normal flow
total amount of oil required by equipment components such as bearings, seals, couplings, and steady-state
controls excluding transient flow for controls or oil by-passed directly back to the reservoir
3.1.22
normal operating point
point at which normal operation is expected and optimum efficiency is desired
NOTE This point is usually the point at which the vendor certifies that the performance is within the tolerances stated
in the relevant standard.
3.1.23
normal seal gas flow
total amount of seal gas required by the equipment seals excluding transient gas flows or by-pass flows
3.1.24 device position
3.1.24.1
normally open
de-energized position of a device (e.g. automatically controlled electric switch or valve) remaining in an open
position during operation unless energized
NOTE During operation of the equipment, the positions of these devices are not necessarily the same as their on-
the-shelf positions.
3.1.24.2
normally closed
de-energized position of a device (e.g. automatically controlled electric switch or valve) remaining in a closed
position during operation unless energized
NOTE During operation of the equipment, the positions of these devices are not necessarily the same as their on-
the-shelf positions.
3.1.25
package
total system, or part of a system, whose components are mounted on a single baseplate
NOTE A package is complete in all respects, including controls and instrumentation.
3.1.26
panel
enclosure used to mount, display and protect gauges, switches and other instruments
3.1.27
piping system design code
recognized piping system design standard specified or agreed by the purchaser
EXAMPLE ASME B31.3
3.1.28
pressure design code
recognized pressure vessel design standard specified or agreed by the purchaser
EXAMPLE ASME BPVC-VIII
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ISO 10438-1:2003(E)
3.1.29
primary seal gas
dry, filtered gas supplied to the high pressure side of a self-acting gas seal
NOTE Primary seal gas is either supplied from the compressor discharge or from an external source. When supplied
from an external source, it is referred to as seal buffer gas (see 3.1.32).
3.1.30
remote
located away from the equipment or the console, typically in a control house
3.1.31
seal barrier gas
clean gas supplied to the area between the seals of a dual seal arrangement at a pressure higher than the
process pressure
3.1.32
seal buffer gas
clean gas supplied to the high pressure side of a seal
3.1.33
seal gas leakage
gas which flows from the high pressure side of the seal to the low pressure side of the seal
3.1.34
secondary-seal seal gas
clean purge gas supplied to the area between the seals of a tandem self-acting gas seal having an
intermediate labyrinth
NOTE This gas is at a pressure lower than the process pressure.
3.1.35
self-acting gas seal system
self-acting gas seal module and all other components necessary for operation of the self-acting gas seal
3.1.36
self-acting gas seal module
arrangement of components on a skid or a rack used to support the self-acting gas seal
3.1.37
separation gas
supply of inert gas or air fed into the region between the seal and the shaft bearing
3.1.38
settling-out pressure
maximum pressure the system can reach under static conditions
3.1.39
shaft-driven pump
oil pump driven by the shaft of one of the main machines served by the oil system
3.1.40
shutdown point
preset value of a parameter at which automatic or manual shutdown of the system is required
3.1.41
special-purpose application
application for which the equipment is designed for uninterrupted, continuous operation in critical service and
for which there is usually no spare equipment
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ISO 10438-1:2003(E)
3.1.42
standby pump
oil pump that is normally either stopped or running at idling speed, that is capable of either automatically or
manually being immediately brought up to operating speed, and that is capable of operating continuously
3.1.43
standby service
normally idle or idling piece of equipment that is capable of immediate automatic or manual start-up and
continuous operation
3.1.44
stilling tube
pipe extending into the reservoir from the connection to below pump suction loss level to prevent splashing
and provide free release of foam and gas
NOTE A stilling tube is typically used for non-pressurized returns, and has an open top or vent holes to equalize to
reservoir pressure.
3.1.45
unit responsibility
responsibility for coordinating the technical aspects of the equipment and all auxiliary systems included in the
scope of the order
NOTE Responsibility for such factors as the power requirements, speed, rotation, general arrangement, couplings,
dynamics, noise, lubrication, sealing system, material test reports, instrumentation, piping and testing of components is
included.
3.1.46
vendor
agency that manufactures, sells and provides service support for the equipment
3.1.47
vent gas
seal gas leakage which is taken away by the vent system
3.1.48
vent system
arrangement of piping and valves used to take gas to a safe location
3.2 Abbreviated terms
AS air supply
DP differential pressure indicator
FAL flow alarm low
FC fail closed
FCV flow control valve
FE flow element
FG flow glass
FI flow indicator
FIC flow indicator controller
FL fail locked
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ISO 10438-1:2003(E)
FO fail open (when labelling a valve)
FRO flow restriction orifice
FT flow transmitter
FY I/P (current to pneumatic) interposing relay
LC level controller
LG level gauge
LIC level indicator controller
LSH level switch high
LSHH level switch high high
LSL level switch low
LSLL level switch low low
LT level transmitter
LV level valve
LY level relay
NC normally closed
NO normally open
NPS nominal pipe size
PCV pressure control valve
PDCV pressure differential control valve
PDI pressure differential indicator
PDS pressure differential switch
PDSH pressure differential switch high
PDSL pressure differential switch low
PDSLL pressure differential switch low low
PDT pressure differential transmitter
PI pressure indicator
PLV pressure-limiting valve
PRV pressure relief valve
PSH pressure switch high
PSHH pressure switch high high
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ISO 10438-1:2003(E)
PSL pressure switch low
PSLL pressure switch low low
PT pressure transmitter
S solenoid actuator
TC temperature controller
TCV temperature control valve
TI temperature indicator
TIC temperature indicator controller
TS temperature switch
TSH temperature switch high
TSL temperature switch low
VDDR vendor drawing and data requirements
4 Dimensions and units
z Drawings and maintenance dimensions shall be in SI units or United States Customary (USC) units. Use of an
ISO datasheet indicates that SI units shall be used. Use of a USC datasheet indicates that USC units shall be
used. Typical datasheets in both systems of units are given in Annex A.
5 System selection
5.1 Annexes in ISO 10438-2, ISO 10438-3 and ISO 10438-4 provide schemas and diagrams of typical
complete lubrication, oil-type shaft-sealing, dry gas face-type shaft sealing, and control-oil systems. These
schemas and diagrams illustrate the general philosophy and requirements of this part of ISO 10438 and are
included to assist the purchaser in the selection of an appropriate system. The purchaser and the vendor shall
agree upon a mutually acceptable system before the order is released.
z 5.2 The purchaser shall define the scope of supply, the level of quality or the brand of components, the
system type, the general arrangement (including plan and elevation views of the console orientation), the
space available for the console, the service (special purpose or general purpose) and other requirements.
Annex B may be used to define scope of supply responsibility.
6 Basic design
6.1 Pressure design code
z The pressure design code shall be specified or agreed by the purchaser. Pressure components shall comply
with the pressure design code and the supplementary requirements in this part of ISO 10438.
6.2 Design
The term “design” shall apply solely to parameters or features of the equipment supplied by the manufacturer.
The term “design” should not be used in the purchaser's enquiry or specifications because it can create
confusion in understanding the order.
EXAMPLES design power, design pressure, design temperature, design speed
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ISO 10438-1:2003(E)
7 Piping
7.1 General
z 7.1.1 The purchaser shall specify or agree the piping system design code to be used (e.g. ASME B31.3).
Piping shall comply with the piping system design code so specified or agreed. Further information can be
found in ISO 15649.
7.1.2 Auxiliary systems are defined as piping systems that are in the following services:
a) Group I, Auxiliary process fluids: (see Table 1, Column 3)
1) sealing fluid;
2) gland and flushing fluid;
3) recirculation fluid;
4) balance gas;
5) buffer gas;
6) fuel gas or oil;
7) drains and vents;
8) starting gas;
9) separation gas;
b) Group II, Steam and air: (see Table 1, Column 4)
1) sealing steam;
2) steam injection;
3) water injection;
4) starting air;
5) instrument and control air;
6) drains and vents;
c) Group III, Cooling water: (see Table 1, Column 5)
1) cooling water;
2) liquid wash;
3) drains and vents;
a) Group IV, Lubricating, control and seal oil: (see Table 1, Column 2)
1) lubricating oil;
2) control oil;
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ISO 10438-1:2003(E)
3) seal oil (see 7.4.1 for seal oil contaminated with process fluid);
4) drains and vents.
Auxiliary systems shall comply with the requirements of Tables 1, 2 and 3, except as modified in referencing
standards including references to Tables 1, 2 and 3 from ISO 10438-2, ISO 10438-3 and ISO 10438-4.
Table 1 — Minimum requirements for piping materials
Lubricating, control Auxiliary process
Item Steam and air Cooling water
and seal oil fluids
1 2 3 4 5
Pipe Austenitic stainless steel, (e.g. ASTM A 312
type 304 or 316) seamless except Schedule 10S
and 40S may be electric fusion welded
 Seamless carbon steel (e.g. ASTM A 106B or ASTM A 53B)
Pipe fittings Austenitic stainless steel, (e.g. ASTM A 312
type 304 or 316) seamless except Schedule 10S
and 40S may be electric fusion welded
Class 3000 austenitic stainless steel, (e.g.
ASTM A 182 type 304 or 316)
 Seamless carbon steel (e.g. ASTM A 106B or ASTM A 53B)
Class 3000 carbon steel (e.g. ASTM A 105)
Flanges Austenitic stainless steel, weld-neck or slip-on
(e.g. ASTM A 181 type 304 or 316)
Carbon steel slip-on (e.g. ASTM A 105)
 Carbon steel, weld neck (e.g. ASTM A 105)
Tubing Austenitic stainless steel (e.g. ASTM A 269 type 304 or 316)
Tube fittings Austenitic stainless steel (e.g. type 304 or Austenitic stainless steel (e.g. type 304 or 316) —
316) — vendor’s standard with purchaser’s vendor’s standard
approval
Gaskets
Flat non-asbestos type
u class 300
Gaskets Spirally wound with non-asbestos filler, austenitic stainless steel windings
and external centering ring
> class 300
Flange bolting Refer to 7.1.23
Valves Refer to 7.1.18
NOTE 1 Piping to be butt-welded except DN20 (NPS 1) and smaller may be socket-welded or threaded.
NOTE 2 Threaded joints require seal welding; however seal welding is not permitted on instruments or where dis-assembly is
required for maintenance.
Table 2 — Minimum pipe wall thickness
Nominal pipe size
Materials Schedule
DN (NPS)
Carbon steel u DN40 (u NPS 1 1/2
...

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