ASTM A182 Alloy Steel Threaded Flange, API 605, RF

Jan 01, 1970

Alloy steel threaded flange also called as screw threaded flange is widely used for connection of welded pipes. Alloy steel threaded flange is convenient for installation without welding. Inner bore of flange is processed into pipe thread so that the flange can realize connection between pipes with screw thread. Compared with slip-on flange or welding neck flange, alloy steel threaded flange has the advantages of convenience for installation and maintenance. It can be used for the pipes which do not allow welding. Alloy steel threaded flange has enough strength. Alloy steel threaded flange cannot be used in case of leakage, if the temperature on pipes varies sharply or the temperature is higher than 20℃ or lower than -45℃.

Parameter

Design: API 605, API 600

Materials: alloy steel: ASTM A182, ASTM A182 F12, ASTM A182 F11

Nominal Pressure: ANSI Class 150Lb, 300Lb, 600Lb, 900Lb, 1500Lb, 2500Lb

Applicable range

Seal face	ANSI
Seal face	150LB	300LB	600LB	900LB	1500LB	2500LB
Raised face (RF)	DN15-600 (1/2"-24")					DN15-300 (1/2"-12")
Male face (MF)	-	DN15-600 (1/2"-24")			DN15-65 (1/2"-2.1/2")	DN15-300 (1/2"-12")
Tongue face (TG)	-	DN15-600 (1/2"-24")			DN15-65 (1/2"-2.1/2")	DN15-300 (1/2"-12")
Full face (FF)	DN15-600 (1/2"-24")	-
Ring joint face (RJ)	DN25-600 (1/2"-24")	DN15-600 (1/2"-24")				DN15-300 (1/2"-12")

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