Some questions about butterfly valves
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12\" XD371F-150LB-P, 10\" D671F-150LB-C. I would like to know what these model numbers for butterfly valves mean. I only know that they are 12 inches and 10 inches in size, with a pressure rating of 150 pounds. What do the other letters represent? What standards are they based on? And what standards should be used to determine the dimensions of the sealing surfaces?
It is recommended to contact the supplier or manufacturer directly, preferably. For reference.
XD371X represents a signal turbine wafer butterfly valve; P denotes stainless steel material; D671F-150LB-C refers to a pneumatic soft-seal wafer butterfly valve, and C indicates carbon steel material
Pneumatic wafer-type center-line butterfly valve, with fluoroplastic as the sealing material and carbon steel for the valve body
10\" D671F-150LB-C 10\": Diameter 10\", DN250; D: Butterfly valve; 6: Pneumatic; 7: Wafer type; 1: Center line; F: Sealing material PTFE; 150LB: Pressure rating per American standard 150LB; P: Valve body material 304
12\" XD371F-150LB-P: 12 inches; ‘X’ generally indicates the presence of signal feedback, ‘D’ is the abbreviation for butterfly valve; 3 means operation via worm gear, 7 refers to wafer-style construction, 1 denotes a centerline design, ‘F’ indicates a PTFE valve seat, 150LB is the pressure rating; ‘P’ refers to the valve body material being 304. 10\" D671F-150LB-C: ‘D’ is the abbreviation for butterfly valve, 6 means pneumatic operation, 7 indicates wafer-style butterfly valve, 1 denotes a centerline design, ‘F’ indicates a PTFE valve seat, 150LB is the pressure rating; ‘C’ refers to the valve body material being WCB