1. L00 07.05.2014 For Approval CK MOS
REV. DATE REASON FOR ISSUE PREP. CHECKED APPROVED
FOSTER WHEELER BİMAŞ DOCUMENT NUMBER
ED0733A-50A10_5
DRS-00-VBR-TR-FWB-006 TYPE
A 07.05.14
Rev. Qua. Sheet No
Doc.
Sign Date
DERWEZE
SIMPLE CYCLE POWER PLANT
APPROVED
SECTION / AREA
Stage Sheet No Total Sheet No
CHECKED - 1 9
PREPARED GENERAL REQUIREMENTS FOR
STEAM TRAPS
FOSTER WHEELER
BİMAŞ

2. GENERAL NOTES AND VENDOR
DOCUMENTS FOR VESSELS,
TRAYS AND AUXILIARIES
ÇALIK Doc. No. : DRS-00-VBR-TR-FWB-006
Page : 2 of 9
Date : 07.05.2014
ÇALIK Revision : A
FWB Doc. No. : ED0733A-50A_5
FWB Rev. No. : L00FOSTER WHEELER BİMAŞ
CONTENTS
I. GENERAL
II. CODES , STANDARDS AND SPECIFICATIONS
III. DESIGN AND SPECIAL REQUIREMENTS
IV. STEAM TRAPS MARKING AND IDENTIFICATION
V. QUALITY CONTROL
VI. PROTECTIVE COATING AND END PROTECTION
VII. ADDITIONAL TECHNICAL REQUIREMENTS
VIII. DOCUMENTATION REQUIREMENTS

3. GENERAL NOTES AND VENDOR
DOCUMENTS FOR VESSELS,
TRAYS AND AUXILIARIES
ÇALIK Doc. No. : DRS-00-VBR-TR-FWB-006
Page : 3 of 9
Date : 07.05.2014
ÇALIK Revision : A
FWB Doc. No. : ED0733A-50A_5
FWB Rev. No. : L00FOSTER WHEELER BİMAŞ
I. GENERAL
A. This Job Specification covers requirements for steam traps and compact
manifolds and shall be considered as part of the requirements for the steam traps
and compact manifolds covered by the associated Material Requisition(s).
B. Any conflict between this standard and any other specifications referred to herein
or in the associated Material Requisition(s) shall be reconciled with Purchaser
before proceeding.
C. List of Abbreviations End Connections
RF Raised Face FF Flat Face
RTJ Ring Type Joint LG Large Groove
LT Large Tongue SG Small Groove
ST Small Tongue LF Large Female
LM Large Male SF Small Female
SM Small Male SJ Solder Joint
BW Butt Weld SW Socket Weld
THDD/TH Threaded SCRD Screwed
II. STANDARDS AND SPECIFICATIONS
A. All materials shall comply with material specification/norm specified in Material
Requisition.
B. All steam traps shall comply with the requirements quoted on the relevant
Material Requisition together with any additional requirement included in this
standard.
C. It shall be assumed by Purchaser that, unless Vendor makes specific exceptions
in his quotation, all equipment supplied shall comply exactly with the
requirements specified in the Material Requisitions and Specifications attached
thereto.
D. Vendor must clearly state in his quotation all instances in which the steam trap
offered deviates from the Material Requisition Specification; including, but not
limited to, all differences in duty, mechanical design, codes of fabrication or
design, materials of construction and extent of supply.
E. Codes & standards for the requirements to be applied on steam traps and
compact manifolds shall be the latest addition of the following:
API Std. 598 Valve Inspection and Testing
ASME B1.20.1 Screw Threads-Pipe Threads, General Purpose (Inch)
ASME B16.5 Pipe Flanges and Flanged Fittings – NPS ½ Through NPS 24
ASME B16.10 Face to Face & End to End Dimensions of Valves.
ASME B16.11 Forged Fittings, Socket Weld and Threaded
ASME B16.25 Buttwelding Ends
ASME B16.34 Valves – Flanged, Threaded and Welding End

4. GENERAL NOTES AND VENDOR
DOCUMENTS FOR VESSELS,
TRAYS AND AUXILIARIES
ÇALIK Doc. No. : DRS-00-VBR-TR-FWB-006
Page : 4 of 9
Date : 07.05.2014
ÇALIK Revision : A
FWB Doc. No. : ED0733A-50A_5
FWB Rev. No. : L00FOSTER WHEELER BİMAŞ
MSS SP55 Quality Standard for Steel Casting for Valves, Flanges and
Fittings and other Piping Components. Visual Method for
Evaluation of Irregularities
ASME B31.1 Power Piping
ASME B31.3 Process Piping
ISO 6552 Automatic Steam Traps – Definition of Technical TermsMSS SP
25 Marking system for valves, fittings, flanges and unions
III. DESIGN AND SPECIAL REQUIREMENTS
A. Steam Traps Body Materials
STEAM TRAP
MATERIAL
FORGED CONSTRUCTION
(note 3)
C.S. ASTM A105
S.S. 304 ASTM A182 Gr F304
S.S. 304 L ASTM A182 Gr F304 L
S.S. 316 ASTM A182 Gr F316
S.S. 316 L ASTM A182 Gr F316 L
S.S. 321 ASTM A182 Gr F321
S.S. 347 ASTM A182 Gr F347
1.25% Cr 0.5%Mo ASTM A182 Gr F11 Cl 2
2.25% Cr 1%Mo ASTM A182 Gr F22 Cl 3
5% Cr 0.5%Mo ASTM A182 Gr F5
9% Cr 1%Mo-V ASTM A182 Gr F91
Notes:
1) Steam traps and compact manifolds shall be certified as suitable for the
full range of design pressure/temperature given by ASME B.16.34 for the
material and rating specified in Material Requisition .
2) Alternative cast construction may be proposed by Vendor. Acceptance of
cast construction is subject to additional technical requirements.
B. Flanged Cover and bolting
1. The type of facing of flanged joints shall be equal or superior to the end
flange facing.
2. Unless otherwise indicated on Material Requisitions the body to bonnet
gaskets shall be as follow as per Manufacturer Standard. Use of asbestos
is prohibited.
3. Unless otherwise indicated on Material Requisitions, the bolting material
for ferrous steam traps shall be:

5. GENERAL NOTES AND VENDOR
DOCUMENTS FOR VESSELS,
TRAYS AND AUXILIARIES
ÇALIK Doc. No. : DRS-00-VBR-TR-FWB-006
Page : 5 of 9
Date : 07.05.2014
ÇALIK Revision : A
FWB Doc. No. : ED0733A-50A_5
FWB Rev. No. : L00FOSTER WHEELER BİMAŞ
STEAM TRAP
MATERIAL
BOLT MATERIAL NUT MATERIAL
C.S. ASTM A193 Gr B7 ASTM A194 Gr 2H
Alloy Steel ASTM A193 Gr B16 ASTM A194 Gr 2H
S.S. ASTM A193 Gr B8 Cl 2 ASTM A194 Gr 8
C. Flanged Steam Traps
1. Steam traps to "MANUFACTURER'S STANDARDS" shall have face to
face dimensions to ASME B16.10 wherever possible. Such steam traps
face to face dimensions shall be subject to the acceptance of Purchaser.
2. When face to face dimensions of a steam traps do not conform to a ASME
, API, MSS or BS Standard the Manufacturer must specifically highlight
this in his quotation.
3. For flanged steam traps, the gasket surface finishing shall be per ASME
B16.5.
D. Screwed Steam Traps and Tapped Connections in Steam Traps
1. Steam traps or compact manifolds threaded ends and tapped connections
shall be threaded female in accordance to ASME B1.20.1
E. Welding End Steam Traps
1. The ends of socket weld steam traps and compact manifolds shall be in
accordance with ASME B16.11.
2. The ends of butt weld steam traps and compact manifolds shall be to
ASME B16.25. The outer diameter and wall thickness of bevel ends shall
be as stated on Material Requisition.
IV. STEAM TRAPS MARKING AND IDENTIFICATION
A. The marking of steam traps and compact manifolds can be provided as per
Manufacturer Standard. This shall be hard-marked or stamped on a non-
corrodible metal tag which shall be securely attached to the steam trap and
compact manifolds (by screws or rivets). For forged steam traps, tags may be
wired to the body.
B. Proprietary steam traps and compact manifolds not ordered to a standardized
specification shall be marked with the rating, material and size as stated on the
Material Requisition together with the Manufacturer's name and Purchase steam
traps /compact manifolds numbers as specified above.
Butt welded end steam traps and compact manifolds, in addition to other required
markings, shall have the pipe wall schedule (e.g., 40, 80S, STD, XXS) marked as
suffix in Company’s steam trap or compact manifold number. Marking
identification shall be in accordance with ASME B36.10 or ASME B36.19.

6. GENERAL NOTES AND VENDOR
DOCUMENTS FOR VESSELS,
TRAYS AND AUXILIARIES
ÇALIK Doc. No. : DRS-00-VBR-TR-FWB-006
Page : 6 of 9
Date : 07.05.2014
ÇALIK Revision : A
FWB Doc. No. : ED0733A-50A_5
FWB Rev. No. : L00FOSTER WHEELER BİMAŞ
V. QUALITY CONTROL
A. No grease shall be used during steam traps and compact manifolds assembly
and testing as specified by API 598.
B. Inspection
All steam traps and compact manifolds covered by the Material Requisition are
subject to inspection both during the manufacture and before shipment ,by
Purchaser and/or its Client or an Approved Inspection Authority.
C. Normal Tests
1. All steam traps and compact manifolds, including those in accordance to
Manufacturer's Standards, shall be tested by Manufacturer in accordance
with applicable code, and in particular:
1. Check of chemical and mechanical properties of the material used
2. Dimensional check
3. Pressure test of body bonnet
2. The hydrostatic test liquid shall be water with the addition of wetting
agent.
3. When stainless steel steam traps are to be tested using water as the test
liquid, potable water with a chloride content less than 30 ppm shall be
used to obviate stress corrosion cracking. After test the steam traps shall
be carefully drained and air blown.
4. Ends of forged BW steam traps and compact manifolds shall be 100% MT
or LP examined.
5. Welds on nippled SW steam traps and compact manifolds shall be 100%
MT/LP examined.
6. If any, flange to body socket or butt weld joints shall be 100% MT or LP
examined
D. Additional Test
The following additional test shall be made only if expressly mentioned in this
Eng. Std. or in Material Requisition:
1. Radiographic examination of the weld joining the flanges to the body of
the steam traps.
2. Magnetic particle or liquid penetration examination of steam traps body.
E. Final Test
1. Purchaser reserve the right to inspect the steam traps and and compact
manifolds including the use of regular inspection equipment.
F. Certification
1. It is the Vendor's responsibility to ensure that all materials used in the
manufacture of steam traps and compact manifolds comply with the
requirements of the relevant specifications.

7. GENERAL NOTES AND VENDOR
DOCUMENTS FOR VESSELS,
TRAYS AND AUXILIARIES
ÇALIK Doc. No. : DRS-00-VBR-TR-FWB-006
Page : 7 of 9
Date : 07.05.2014
ÇALIK Revision : A
FWB Doc. No. : ED0733A-50A_5
FWB Rev. No. : L00FOSTER WHEELER BİMAŞ
2. The Vendor shall keep a record of the certified chemical and mechanical
properties of the material used and certificates shall be supplied when
required by the relevant specifications or when specified on the purchase
documents. For pressure parts (bodies, bonnets, covers and bolting for
body/bonnets joints) material certificates shall be in accordance with EN
10204-3.1 (–if the manufacturer is ISO 9001 approved by a European
Accredited Notified Body) or EN 10204-3.2 (if the manufacturer is not ISO
9001 approved) is required.
3. The Supplier must classify and mark alloy steam traps in accordance to
material Colour Coding and is responsible for the correct application of
colour bands before shipping said materials to shop fabricator or fields. It
is Vendor responsibility to select colour bands and carry out P.M.I.
examination.
VI. PROTECTIVE COATING AND END PROTECTION
A. All un-machined exterior surfaces of carbon steel and low alloy steam traps and
compact manifolds shall be painted per Manufacturer Standard paint suitable for
Refinery or Industrial Atmospheric conditions.
B. All machined or threaded surfaces (C.S. and A.S.), with a nominal chemistry of
12 Cr and below subject to atmospheric corrosion during shipment or subsequent
storage shall be coated with Manufacturer's standard rust preventive suitable for
an exposure period of twelve months, to a normal industrial environment. This
protective must be easily removable with a petroleum solvent.
C. End Protection - steam traps with threaded or socket weld ends shall have the
ends protected with metal, wood, or plastic plugs.
D. Cover for the protection of gasket surfaces of end flanges, and for the protection
of welding ends shall be either: metal of 3,5 mm. min. thickness, hardboard, or
solid wood.
E. Although austenitic stainless steels and high nickel alloy materials do not require
painting, they must not come into contact with any substance that may contain
chlorides; temporary protection for shipping has to be suitably provided by
Vendor.
F. Inside protective coatings like Enamel “Japanese black” are not allowed.

8. GENERAL NOTES AND VENDOR
DOCUMENTS FOR VESSELS,
TRAYS AND AUXILIARIES
ÇALIK Doc. No. : DRS-00-VBR-TR-FWB-006
Page : 8 of 9
Date : 07.05.2014
ÇALIK Revision : A
FWB Doc. No. : ED0733A-50A_5
FWB Rev. No. : L00FOSTER WHEELER BİMAŞ
VII. ADDITIONAL TECHNICAL REQUIREMENTS
CASTINGS ORIGIN
Wherever alternative casting construction is approved by FWI/Purchaser for
steam traps, the Vendor shall mandatorily declare the origin of castings foundry
in the quotation for FWI/Purchaser acceptance.
REQUIREMENTS FOR STEAM TRAPS ASME B31.1
Where ASME B31.1 is indicated on the Material Requisition, steam traps shall be
supplied in accordance with the following requirements
1. LTCS supplied as alternative to CS is not acceptable
2. All “L” grades stainless steels as alternative to other grades or dual certified
stainless steels are not acceptable
3. All pressure containing parts (bolting included) shall be supplied conforming to
ASME specifications in accordance to ASME B31.1. Materials conforming to
ASTM specifications proposed as alternative to ASME SA material (e.g. “ASTM
A105” vs. “SA-105”) may be considered acceptable provided that the
requirements of ASME B31.1 para. 123.2.2 will be applied
COMPACT MANIFOLDS INSULATION
Each compact manifold shall be provided of insulation jacket; the model supplied
can be according to Manufacturer Standard. Insulation jackets supplied shall be
suitable for the same operating temperature of steam traps specified for steam
tracing service (for applicable operating temperature see para VII.E)

9. GENERAL NOTES AND VENDOR
DOCUMENTS FOR VESSELS,
TRAYS AND AUXILIARIES
ÇALIK Doc. No. : DRS-00-VBR-TR-FWB-006
Page : 9 of 9
Date : 07.05.2014
ÇALIK Revision : A
FWB Doc. No. : ED0733A-50A_5
FWB Rev. No. : L00FOSTER WHEELER BİMAŞ
OPERATING AND DESIGN DATA
The proper operation of steam traps must be guaranteed by the Supplier in consideration of the
design/operating conditions reported in the following table:
Steam Trap Service
Steam Trap Type
Steam Trap Rating/
Steam Traps End connections
Steam Trap Body Material
Service
Normal operating temp. [°C] in/out
Normal operating pressure [barg] upstr./downstr.
Minimum operating pressure [barg]
Design pressure [barg]
Design temperature [°C]
OPERATING AND DESIGN DATA
VIII. DOCUMENTATION REQUIREMENTS FOR STEAM TRAPS
The Vendor shall supply the required technical documentation (e.g. steam traps and
compact manifolds drawings, technical datasheets, instruction and maintenance
manuals, WPS & PQR’s) according to the prescriptions and time schedule provided in
the attached Eng. Std. 59B9