Transcription of PIPING MATERIAL SPECIFICATION (PMS)
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GAIL (INDIA) LTD NEW DELHI PIPING MATERIAL SPECIFICATION SPECIFICATION REV-0 GAIL/PMS/SP-01 Page 1 of 27 PIPING MATERIAL SPECIFICATION (PMS) GAIL (INDIA) LTD NEW DELHI PIPING MATERIAL SPECIFICATION SPECIFICATION REV-0 GAIL/PMS/SP-01 Page 2 of 27 TABLE OF CONTENTS SCOPE CODES AND STANDARDS MATERIAL SPECIFICATIONS PIPELINE PIPES FITTINGS BENDS FLANGES gaskets BOLTING AND THREADS THREAD SEALANT VALVES QUICK OPENING END CLOSURE HYDROTESTING VENTS AND DRAINS PIPELINE SPECIALITY ITEMS ATTACHMENTS ANNEXURE A- PMS 150# CLASS ANNEXURE B- PMS 300# CLASS ANNEXURE C- PMS 600# CLASS GAIL (INDIA) LTD NEW DELHI PIPING MATERIAL SPECIFICATION SPECIFICATION REV-0 GAIL/PMS/SP-01 Page 3 of 27 SCOPE M/s GAIL (India) Ltd.
9.0 GASKETS 9.1 Spiral wound metallic gasket with compressed asbestos filler shall conform to ASME B16.20/ API 601. All spiral wound gaskets shall be provided with stainless steel centering ring. 9.2 Spiral wound gasket shall be self-aligning type. 10.0 BOLTING & THREADS
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