4 General Technical Specification of Bhilai Steel Plant, SAIL ...
4 General Technical Specification of Bhilai Steel Plant, SAIL ...
4 General Technical Specification of Bhilai Steel Plant, SAIL ...
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© 2007 MECON Limited<br />
All rights reserved<br />
<strong>General</strong> <strong>Technical</strong> <strong>Specification</strong><br />
Item Size Range Description Dimensional/<br />
Design<br />
Standard<br />
Bolting<br />
DN 50 to 500 Forged seamless carbon<br />
steel Tees / Reducers with<br />
butt welded ends<br />
Gases & Liquid Fluids<br />
Page 39 <strong>of</strong> 51<br />
Material -<br />
Carbon <strong>Steel</strong><br />
ANSI B 16.9 ASTM A234 Gr. WPB,<br />
Sch 40<br />
All sizes Bolts / studs / Nuts Bolts / Studs ASTM<br />
A193 Gr B7. Nuts<br />
Gaskets All sizes Compressed Asbestos<br />
Gaskets for condensate<br />
and LP stream<br />
All sizes Spiral wound SS304 with<br />
CA filler for MP stream<br />
Flanges All sizes SO/ WN / Blank flanges RF<br />
125 AARH made from<br />
carbon steel plates /<br />
Forged carbon steel<br />
flanges<br />
Valves<br />
Isolation Below DN50 Forged carbon steel gate<br />
valve, Class 800/900 with<br />
rising stem and socket<br />
welded ends.<br />
DN50 and above Cast carbon steel gate<br />
valve, Class 150/300 (for<br />
MP steam) with rising stem<br />
and BW/ Flanged ends<br />
Throttling Below DN50 Forged carbon steel globe<br />
valve class 800/900 with<br />
rising stem and socket<br />
welded ends<br />
DN50 and above Cast carbon steel globe<br />
valve class 150 / 300 (for<br />
MP steam) with rising stem<br />
Non<br />
return<br />
and BW / Flanged ends<br />
Below DN50 Forged carbon steel swing<br />
check / piston lift valve<br />
class 800/900 with socket<br />
welded ends.<br />
DN50 and above Cast carbon steel swing<br />
check valve Class 150/300<br />
(for MP steam) with rising<br />
stem and BW / Flanged<br />
ends<br />
Strainer Strainer with cast steel<br />
body and brass strainers <strong>of</strong><br />
16 G sheet with 1.25 mm<br />
diameter perforation @ 20<br />
per cm2 and SW / Flanged<br />
Hose<br />
assembly<br />
ends.<br />
Metallic hoses <strong>of</strong> 15 m<br />
length complete with<br />
screwed female swivel<br />
couplings at both the ends<br />
IS 2712 Gr W/3,<br />
1.5 mm thick<br />
ANSI B 16.5<br />
ANSI B 16.5<br />
ASTM A194 Gr. 2H<br />
IS 2002 Gr. 2A<br />
A105 / A 234 Gr.<br />
WPB<br />
API 602/BS 5352 Body / Bonnet to<br />
ASTM A105, Stem /<br />
trim SS to AISI 410<br />
(13% Cr)<br />
API 600 Body / Bonnet to<br />
ASTM A216 Gr. WCB,<br />
Stem / Trim SS to<br />
AISI 410 (13% Cr)<br />
BS 5352 Body / Bonnet to<br />
ASTM A105, Stem /<br />
trim SS to AISI 410<br />
(13% Cr)<br />
BS 1873/ API 600 Body / Bonnet to<br />
ASTM A216 Gr WCB,<br />
Stem / Trim SS to<br />
AISI 410 (13% Cr%)<br />
BS 1868 Body / Disc / Cover to<br />
ASTM A105, Internals<br />
/ Trim SS to AISI 410<br />
(13% Cr)<br />
BS 1868 Body / Disc / Cover to<br />
ASTM A216, Grade<br />
WCB Internals / Trim<br />
SS to AISI 410 (13%<br />
Manufacturer’s<br />
Standard<br />
Manufacturer’s<br />
Standard<br />
Cr)<br />
GS-02
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