ASME STANDARDS
ASME B 16.5 Pipe flanges and flanged fittings up to 24”
ASME B16.34 Valves-flanged and Butt welding ends
ASME B 31.8 Gas transmissions and distribution piping system
ASME VIII, DIV-I Boiler and Pressure Vessel code
ASME B 16.9 Factory-made wrought steel butt welding fittings
ASME B 31.3 Process piping
ASTM STANDARDS
ASTM A 53/A 53 M Pipe steel black and hot dipped, Zinc-Coated, Welded and seamless
ASTM A 105/A 105 M Forgings, Carbon steel, for piping components
ASTM A193/A 193 M Alloy steel and stainless steel bolting materials for high temperature services.
ASTM A194/A194 M Carbon and alloy steel nuts for bolts for high temperature Services
ASTM A234/A 234 M Piping, fitting, of wrought carbon steel and alloy steel for moderate and elevated temperature
ASTM A 370 Mechanical testing of steel product
ASTM A 515 Pressure vessel plate, carbon steel for intermediate and higher temperature services
ASTM A 516 Pressure vessel plate, carbon steel for intermediate and higher temperature services
ASTM A 707/A 707 M Flanges, forged, carbon and alloy steel for low temperature Service
API STANDARDS
API 5L Specification for line pipe
API 1104 Specification for welding pipeline and related facilities
API 6D Specification for pipeline valves (Ball, Gate, Plug Ball and Check Valves)
API 6 FA (Spec 6 FA) Specification for fire Test for valves
BS 5351 Specification of small size valves (Below 2”)
ISO STANDARDS
ISO 148 Determine the impact strength of steel and energy absorbed by charpy.
ISO 9001 Quality Management Standards
OIL INDUSTRY SAFETY DIRECTORATE (OISD STANDARDS)
OISD-GGN-115 Guidelines on fire fighting, Equipment and appliances in Petroleum industry
OISD-standard-113 Hazardous area classification
OISD-Standard-163 Process Control Room Safety
MATERIAL SPECIFICATION OF PIPING SYSTEM
Materials to be used for piping system shall comply with the minimum requirements of relevant standards & codes.
Pipes - ASTM A106 Gr. B (Seamless)/API 5L Gr.B/ IS-ASTM A53/A53 M Gr.B/ 1239Heavy
Flanges - ASTM A105/ A 105
Restricting Orifice* plate - SS 304
Rubber Gasket (washer) - High Nitrile Synthetic Rubber Grade 215
Fittings - ASTM A234 Gr WPB
Ball Valves - A 105/A 216 Gr WCB
Insulation - NA
Insulating gasket - Same as Pipe (Ring A 105)
Spiral Wound Gasket (washer) - ANSI B 16.20
Nuts and Bolts - hot dipped galvanized as per ASTM A53
Rubber hose - Type-4 as per IS:9573
Painting - As per enclosed
The size of orifice of restricting orifice plate shall be 11 mm for G10/G16/G25, 13mm for G40 and 15mm for G65 RPD meter.
The size of orifice of rubber gasket (washer) shall be 5mm for G4, 8mm for G6, 10mm for G10 & G16 and 13mm for G25 Diaphragm meter.
