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Products - L005 NORSOK Rev. 1 of Sept 2003 / Rev 2. of Spring 2006 SPO Dimensions and pressure classes 1/2" to 48" in CL150-CL1500 1/2" to 24" in CL2500 1/2" to 48" in CL150-CL1500 1/2" to 24" in CL2500+ sizes up to 32" under development 1/2" to 24" in CL4500i (520bar) 2" to 16" in 10K and 15K (not yet in Designers Manual) Materials Steel in rev 1. + Nickel alloys in rev 2. Steel, nickel alloys, titanium Temperature -100ºC to 250ºC. -196ºC to 700ºC Bolt materials A193 B7 or bolts with same strength. A193 B7 / A320 L7 or bolts with same strength as standard. Can be made to suit other bolts, e.g. B7M for sour service requirements, to nickel based bolt materials for high temperatures. Wall thickness Limited due to face angle standardisation. All Flange components WN, BL, PS, PB, IF, in rev. 1 +OF+RT in rev. 2 NORSOK rev.1 +OF+RT+EF+SW WN = Weld Neck BL = Blind PS = Paddle Spacer PB = Paddle Blind IF = Integral Flange (valves, equipment etc.) RI = Rigid Interface (flat face flange on a solid body) OF = Orifice Flange RT = Reducing Threaded SW = Swivel flange EF = End fitting flange (typical riser end fittings) Note: The difference between IF and EF is that IF has a fillet radius while the EF has an eliptic transition between flange ring and neck.

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