ASTM A105 Orifice Flange
Followings are the definition, information and application of various types of flanges:
Orifice flange is used to measure the flow rate of the liquids in a piping system, it could be water, gas or other liquids. The orifice flanges are usually used with the orifice plates or meters in the pipe joints.
Size: 1/2” – 160”. DN15 – DN4000 mm
Pressure: Class 75, Class125, Class 150, Class 300, Class 400, Class 600, Class 900, Class 1500,Class 2500,
3000 PSI, 5000 PSI, 10000 PSI, 20000 PSI.
PN2.5, PN6, PN10, PN16, PN25, PN40, PN64, PN100, PN160
5K, 10K, 15K, 20K, 30K.
Standard: ANSI/ASME B16.5, ANSI/ASME B16.47, BS4504, BS3293, EN 1092, DIN2631,DIN2632,DIN2633, DIN 2634, DIN2635, DIN2636, DIN2637, DIN2638, JIS B2220, SABS / SANS 1123 , GOST / ГОСТ 12821-80 Flange, MSS SP-44 FLANGE, API 6A, 6B, 6BX weld neck FLANGE, ISO 7005 Weld neck flange. NFE 29203 Weld neck flange, KS B1503 , UNI 2280-67 ,UNI 2281-67 ,UNI 2282-67 ,UNI 2283-67 , UNI 2284-67, HG20595,AS2129.
TYPE OF ORIFICE FLANGE:
The Orifice flange could be in many different types, welding neck orifice flanges, slip on orifice flanges or threaded orifice flanges. The sealing face of the orifice flange could be Raised Face(RF) or Ring Type Joing (RTJ).
ORIFICE FLANGES OF HEBEI HAIHAO GROUP:
Commonly we supply the Weld neck and slip on orifice flange in Haihao group, the manufacturing standard is ANSI B16.36. Other types flange is also available to design . when the sizes are more than 24” , we should use the MSS SP-44 as the standard . Bolting position and data will as per ANSI B16.5. Hebei haihao flange factory has enough experienced in design and production about the orifice flanges.