standard specification for erection tender - GAIL

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1.1 Scope
1.1.1 This standard specification, together with the data sheets attached herewith forms the
requirements for the design, materials, nameplate marking, testing and shipping of control
valves/ regulators.
1.12 The related standards referred to herein and mentioned below shall be of the latest
edition prior to the date of purchaser's enquiry;
IEC-79 Electrical Apparatus for Explosive Gas Atmosphere
IEC-529 Degree of protection provided by enclosures.
ANSI/ASME American National Standards Institute/American Society of
Mechanical Engineers.
B 1.20.1 Pipe Threads
B 16.5 Steel Pipe Flanges and Flanged Fittings
B 16.20 Ring Joint Gaskets and grooves for steel Pipe Flanges
API American Petroleum Institute
6D: Pipelines valves (Gate valve, Plug, Ball and check Valves)
609: Lug and Wafer type, Butterfly valves
EN 61056-1: Specification for performance, design and construction of valve,
regulated sealed type
ISA Instrumentation Systems and Automation Society
GAIL (INDIA)
NEW DELHI
S75.01 Flow equation for sizing Control Valve
S75.02 Control Valve capacity test procedure
S75.03 Face to Face Dimensions for Flanged Globe-Style Control
Valve Bodies
S75.04 Face to Face Dimensions for Flangeless Control Valves
OSHA Occupational Safety and Health Authority
DIN 50049 Document on material testing
IBR Indian Boiler Regulation
IS-2147 Degree of protection provided by enclosures for low Voltage Switch gears and
control gears
IS-2148 Flame proof Enclosures of Electrical Apparatus
STANDARD SPECIFICATION FOR
CONTROL VALVES
SPECIFICATION REV-0
S-08-02-008
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