API Std 617: 2002 Axial and Centrifugal Compressors and Expander-compressors for Petroleum, Chemical and Gas Industry Services

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AXIAL AND CENTRIFUGAL COMPRESSORS AND EXPANDER-COMPRESSORS FOR PETROLEUM, CHEMICAL AND GAS INDUSTRY SERVICES 2-31

JOB NO. _____________________ ITEM NO. ____________________

PAGE ________ OF _____ BY _____________________________

DATE __________________ REVISION___________________________

33. A complete list of utility requirements: quantity, ﬁltration and supply pressure of the following:

a. Steam.

b. Water.

c. Electricity.

d. Air.

e. Gas.

f. Lube oil and seal oil (quantity and supply pressure).

g. Heat loads.

h. Power ratings and operating power requirements for auxiliary drivers.

34. A list of machines similar to the proposed machines that have been installed and operating under conditions analogous

to those speciﬁed in the inquiry.

35. Any start-up, shutdown or operating restrictions required to protect the integrity of the equipment, including any unac-

ceptable speeds due to natural frequencies.

36. A list of any components that can be construed as being of alternative design, requiring purchaser’s acceptance.

37. A summary of the materials of construction for the compressor, including hardness for materials exposed to H

38. The maximum seal gas rates (injection or eduction) and rated or expected inner seal-oil leakage rates, if applicable.

When self-acting dry gas seals are supplied, expected seal gas consumption, minimum seal gas supply ﬂow and pri-

mary vent ﬂow should be given at maximum sealing pressure and at conditions over the operating envelope of the

machine.

39. When interstage coolers are furnished, the vendor shall provide the following:

a. Drawing showing cooling system details.

b. Data for purchasers heat and material balances.

c. Details of provisions for separating and withdrawing condensate.

d. Vendor’s recommendations regarding provision for support and piping expansion.

40. Drawings, details and descriptions of the operations of instrumentation and controls as well as the makes, materials and

type of auxiliary equipment. The vendor shall also include a complete description of the alarm and shutdown facilities

to be provided.

41. The minimum length of straight pipe required for proper ﬂow characteristics at the inlet and at any side inlet connection.

42. Maximum and minimum allowable seal pressure for each compressor.

43. A statement of the manufacturers capability regarding testing (including performance testing) of the compressor and

any other speciﬁed items on the train. Details of each optional test speciﬁed shall be included.

44. Performance curves shall be submitted for each section (between purchasers process nozzles) of each casing as well as

an overall curve for the train. All curves submitted prior to complete performance testing shall be marked “predicted.”

Any set of curves resulting from a test shall be marked “tested.”

If a performance test is speciﬁed, the vendor shall provide test data and curves when the test has been completed. The

surge points shall be shown on the performance curves.

45. For compressors that have a back-to-back impeller arrangement, the vendor shall furnish a curve showing the expected

loading on the active or inactive side of the thrust bearing versus any combination of differential pressures across the

low pressure and high pressure sections of the casing.

46. The vendor shall supply balance piston leakage based on design clearances and twice design clearances for the rated

conditions.

API STANDARD 617

CHAPTER 2 ANNEX B

VENDOR DRAWING AND

DATA REQUIREMENTS

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2-32 API STANDARD 617—CHAPTER 2

JOB NO. _____________________ ITEM NO. ____________________

PAGE ________ OF _____ BY _____________________________

DATE __________________ REVISION___________________________

47. When speciﬁed, the vendor shall supply curves of balance piston line differential pressure versus thrust load.

48. The vendor shall provide production and delivery schedules.

49. The vendor shall submit detailed procedures including acceptance criteria for the mechanical running test and all

optional tests, at least 6 weeks prior to the ﬁrst running test.

50. The vendor shall submit progress reports.

51. All information required for the proper installation of the equipment shall be compiled in a manual that must be issued

no later than the time of ﬁnal certiﬁed drawings.

52. A manual containing all required operating and maintenance instructions shall be supplied not later than 2 weeks after

all speciﬁed test shall have been successfully completed.

53. The vendor shall provide a “technical data manual within 30 days of completion” of shop testing including the following:

a. Necessary certiﬁcation of materials.

b. Purchase speciﬁcation for all items on the bill of materials.

c. Test data to verify requirements of speciﬁcations have been met.

d. Heat treat records.

e. Results of quality test and inspections.

f. Mechanical running test data log.

g. Final assembly maintenance and running clearances.

The vendor is also required to keep this data available for examination by the purchaser upon request, for at least 5

years.

API STANDARD 617

CHAPTER 2 ANNEX B

VENDOR DRAWING AND

DATA REQUIREMENTS

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2-33

ANNEX 2C

CENTRIFUGAL AND AXIAL COMPRESSOR NOMENCLATURE

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2-34 API STANDARD 617—CHAPTER 2

Figure 2.C-1—Typical Centrifugal Compressor Showing Nomenclature of Key Parts

Case drains

Breather/vent

Bearing housing

Radial-vibration probe

Coupling

guard

Coupling

locknut

Coupling hub

Journal-bearing

carrier

Journal-bearing

shoes

Diffuser

passageReturn channel

Crossover

Shaft sleeve

Diaphragm

labyrinth

Balance-piston

labyrinth

Balance piston

Impeller

Labyrinth seal

Journal-bearing housing

Inner barrel

Main process

connections

Casing

End seal

Impeller-eye

labyrinth

Shear ring

End head

Bearing housing

Thrust shims

Thrust base

ring

Thrust collar

locknuts

End cover

Thrust-bearing

carrier

Axial-position

probes

Thrust-bearing

shoes

Diaphragm

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XIAL

AND

ENTRIFUGAL

OMPRESSORS

AND

XPANDER

COMPRESSORS

FOR

ETROLEUM

, C

HEMICAL

AND

NDUSTRY

ERVICES

2-35

Figure 2.C-2ÑTypical Axial Compressor Showing Nomenclature of Key Parts

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2-37

ANNEX 2D

INSPECTOR’S CHECK LIST

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2-38 API STANDARD 617—CHAPTER 2

Item

Standard 617

Reviewed Observed Witnessed

Inspected

By StatusPar Ch

GENERAL

Contract Review—Testing and

Inspections Listed in Proposal

2.2.1.4 1

General Test Requirements 4.1.1

4.1.3

4.1.4

4.1.4.1

4.1.6

4.1.7

4.2.1

4.2.1.2

Cleanliness 4.2.1.3

4.2.1.4

Hardness 4.2.1.5 1

Case Support Mounting Surfaces 2.3.3.1 2

Nameplate 2.11.1

2.11.2

2.11.2.1

Rotation Arrows 2.11.3 2

MATERIAL INSPECTIONS

Material Inspections 4.2.2.1 1

Castings 2.2.2.1 1

Low Temperature Impact 2.2.1.15.5 1

Forgings 2.2.3.2 1

Weldings 2.2.4.1 1

Pressure-containing Casings 2.3.1 1

Material Inspection of Pressure-

containing Parts

2.3.1.12 1

ROTATING ELEMENT

Impellers 2.5.10.4

2.5.10.5

2.5.10.6

4.3.3.1

Overspeed 2.5.10.7

4.3.3.1

Balance 2.6.8

2.6.8.8

Annex B

Run-out 2.6.8.9

2.6.8.10

ACCESSORIES

Shaft End Seals 4.3.5

Annex D

Lubrication and Sealing Systems 2.10.3

API Std 614

Drivers 3.1 1

Steam Turbine 3.1.4

API Std 612

Motor 3.1.5

API Std 541

Gas Turbine 3.1.7

API Std 616

Separate Gear Units 3.1.8

API Std 613

Coupling and Guard 3.2

API Std 671

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AXIAL AND CENTRIFUGAL COMPRESSORS AND EXPANDER-COMPRESSORS FOR PETROLEUM, CHEMICAL AND GAS INDUSTRY SERVICES 2-39

Instrumentation 3.4.3

3.4.4

API Std 614

API Std 670

Alarms and Shutdowns 3.4.5

API Std 614

Electrical Systems 3.4.6

API Std 614

2.1.14

Piping 3.5.1

API Std 614

Special Tools 3.6.1

3.6.2

HYDROSTATIC TEST

Hydrostatic Test 4.3.2.1

4.3.2.2

4.3.2.3

OVERSPEED TEST

Impeller Overspeed Test 4.3.3.1 1

MECHANICAL RUNNING TEST

Unbalance Response Veriﬁcation 2.6.3.1 1

Vibration Record 2.6.3.1.1

4.3.6.1.1

4.3.6.1.2

4.3.6.1.3

Contract Shaft Seals Used in Test 4.3.6.1.4

4.3.1.1.1

Oil Flow Rates P. & T. 4.3.1.1.2 2

Oil System Clean 4.3.1.1.3

API Std 614

Warning Protective Control

Devices Checked

4.3.1.1.5 2

Connections Check for Leaks 4.3.1.1.4 2

Test Coupling Used 4.3.1.1.7 2

Vibration Levels 4.3.1.1.8

4.2.1.1.9

4.3.1.1.11

Test Speeds Performed 4.3.1.2.1 2

Test Run at Trip Speed 4.3.1.2.2 2

4-hour Test Run 4.3.1.2.3

4.3.1.3.1

4.3.1.3.2

4.3.1.3.3

4.3.1.3.4

4.3.1.3.5

Seal Flow Data 4.3.1.1.2 2

Lube and Seal Oil Flows Varied 4.3.6.1.5 1

Lateral Critical Speed Veriﬁed 4.3.1.3.3 2

Unbalance Response Analysis

Veriﬁed

4.3.1.3.4 2

Spare Rotor Tested 4.3.1.3.5 2

Bearing Inspected After Test 4.3.6.2.1 1

Seals Inspected After Test 4.3.6.2.2 1

Assembled Compressor Gas Leak 4.3.2 2

Item

Standard 617

Reviewed Observed Witnessed

Inspected

By StatusPar Ch

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2-40 API STANDARD 617—CHAPTER 2

OPTIONAL TESTING 4.3.3 2

Performance Test 4.3.3.1

4.3.3.1.1

4.3.3.1.2

4.3.3.1.3

4.3.3.1.4

4.3.3.1.5

4.3.3.1.6

Complete Unit Test 4.3.3.2 2

Tandem Test 4.3.3.3 2

Gear Test 4.3.3.4 2

Helium Test 4.3.8.2 1

Sound-level Test 4.3.8.3 1

Auxiliary Equipment Test 4.3.8.4 1

Post-test Inspection of

Compressor Internal

4.3.8.5 1

Full-pressure/Full-load/

Full-speed Test

4.3.8.6 1

Post-test Inspection of Hydraulic

Coupling Fit

4.3.8.7 1

Spare Parts Test 4.3.8.8 1

PREPARATION FOR SHIPMENT

Equipment Prepared 4.4.1

4.4.2

Paint 4.4.3.1 1

Exterior Machined Surfaces

Coated

4.4.3.2 1

Bearing Housings, Oil Systems,

Auxiliary Equipment and Piping

Preserved

4.4.3.4 1

Openings Covered and Protected 4.4.3.5

4.4.3.6

4.4.3.7

Lifting Points Identiﬁed 4.4.3.8 1

Equipment Identiﬁed, Tagged,

Packing List

4.4.3.9 1

Spare Rotor Prepared for Storage 4.4.3.10 1

Exposed Shafts, etc. Prepared for

Shipment

4.4.3.12 1

Auxiliary Piping Connections

Tagged or Stamped

4.4.4

4.4.5

Installation, Instructions Shipped

with Equipment

4.4.6 1

Item

Standard 617

Reviewed Observed Witnessed

Inspected

By StatusPar Ch

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