Description
BUTTERFLY VALVES HIGH PERFORMANCE
Standard Production Range
Rating ANSI Class 150 ANSI Class 300
Rating ISO PN10; 16; 25 ISO PN25; 40
Size-inch 2″-24″
Size-mm 50–600 50–600
Face to face dimemsion ISO 5752/short(DIN3202); API609; MSS SP-67
Top flange ISO5211
Body Flange Drilling DIN2501
Test Inspection API598
Connection Wafer design; Lugged design
Actuator Lever operator; Worm gear Electric actuator; Pneumatic
Main Materials
Rating ANSI Class 150 ANSI Class 300
Body Carbon steel(A216 -WCB) Stainless steel 304(A351 -CF8) Stainless steel 316(A351 -CF8M)
Disc A351 -CF8/A351 -CF8M
Shaft SS304; SS316; 17-4PH(SS630)
Seat PTFE/RPTFE
Shaft bearing R-PTFE
Gland packing PTFE
Seal PTFE
R-PTFE=Reinforced PTFE
Seat Material and Working Tempture
Seat Material Maximum working tempture
PTFE 200(392) F
R-PTFE 250(482) F
Seat Leakage
Leakage of soft-seated versiors(PTFE; R-PTFE) is ZERO
