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Ball Valve Specs for Manufacturers

This document provides specifications for ball valves, including: - Tag number, piping class, size range, ends, ratings, and standards for the valves - Requirements for materials and construction of valve body, stem, ball, seals, and other parts - Requirements for gear operators, radiography, special service conditions, springs, and hydrostatic test pressures - Notes that the bidder must comply with EIL's specifications and technical notes for valves, and provide any deviations from the specs.

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Dinesh Chougule
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501 views1 page

Ball Valve Specs for Manufacturers

This document provides specifications for ball valves, including: - Tag number, piping class, size range, ends, ratings, and standards for the valves - Requirements for materials and construction of valve body, stem, ball, seals, and other parts - Requirements for gear operators, radiography, special service conditions, springs, and hydrostatic test pressures - Notes that the bidder must comply with EIL's specifications and technical notes for valves, and provide any deviations from the specs.

Uploaded by

Dinesh Chougule
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as XLS, PDF, TXT or read online on Scribd
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BALL VALVE SPECIFICATION MANUF'S OFFER

TAG NO. : PIPING CLASS : STANDARD :


RATING : STANDARD : MFGRS CAT/FIG :
SIZE RANGE : ENDS : RATING : ENDS :

DESCRIPTION CONSTRUCTION MATERIAL CONSTRUCTION MATERIAL


BODY
STEM
BALL
BODY SEAT
GLAND

STEM SEAL

BODY SEAL
BODY STUD
BODY NUT
OTHERS
REQUIREMENTS OF
GEAR OPERATOR
REQUIREMENTS OF
RADIOGRAPHY
SPECIAL SERVICE
CONDITIONS
SPRING

HYDROSTATIC BODY: PSIG


TEST PRESSURE
TEST PTRESSURE PSIG
WITH AIR

NOTES :

1. THIS VALVE SPECIFICATION SHEET SHALL BE READ IN CONJUNCTION WITH TECHNICAL NOTES FOR VALVES.
2. BIDDER SHALL CLEARLY WRITE ALL/ ANY DEVIATIONS AGAINST EACH PART /MATERIAL OF VALVE IS THE SPACE PROVIDED FOR WHEREEVER
BIDDER AGREES WITH EIL'S SPEC BIDDER SHALL INDICATE, "AGREED".
3. NO CUTTING OVER WRITING BY THE BIDDER ON EIL'S SPEC SHEET IS ALLOWED.
4. FOR API 6D VALVES MIN. BODY WALL THICKNESS SHALL BE PER ANSI B16.34
5. ALL VALVES SHALL BE FIRE SAFE DESIGN. FIRE SAFE TEST SHALL BE AS PER API 607 IV EDITION / BS 6755(PART II)/ API RP 6FA.
6. TESTING SHALL BE AS PER BS 6755 (PART I)/ API 6D
7. FOR TRUNNION MOUNTED BALL BODY SEAT SHALL BE SPRING LOADED.
8. ALL VALVES SHALL BE BI-DIRECTIONAL
9. FLOATING BALL VALVES SHALL BE PROVIDED WITH PRESSURE EQUALISATION SEATS TO RELIEVE THE BODY- BONNET CAVITY PRESSURE
TO THE UP STREAM SIDE.
10. 5% VALVE CASTINGS SHALL UNDERGO RADIOGRAPHIC EXAMINATION
11.BIDDER SHALL CERTIFY THE SUITAIBLITY OF VALVES FOR INTENDED CONDITIONS.
12.BIDDER TO FURNISH SOFT SEAT DETAILS AND TYPE GRADE & CLASS SELECTED FOR RPTFE FROM ASTM D 745 WITH MANUFACTURERS
RECOMMENDATIONS LIKE PRESSURE-TEMPERATURE RATING CURVE TABLE.
13.STEM SEAL, BODY SEAL MATERIALS SHALL BE PROVIDED WITH CORROSION INHIBITOR.

SIGNATURE & SEAL


OF
MANUFACTURER

ENGINEERS INDIA LTD.


NEW DELHI

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