DESIGN DESCRIPTION:
CAST STEEL BUTTERFLY VALVE PN16/25
DOUBLE ECCENTRIC TYPE.
SEAT SEAL IN EPDM
AVAILABLE NBR OR VITON SEAL
SPRING BACK SEAT FOR RETAINING.
CONNECTION: WAFER TYPE, LUG TYPE
SIZE :DN50-DN300
WORKING PRESSURE AND TEMPERATURE
CARBON STEEL: NBR SEAT :-12 C ~82 C
EPDM SEAT :-45 C ~135 C
CSM(Hypalon) SEAT :-18 C ~135 C
VITON SEAT: -12 C 135 C
PTFE SEAT:-18 C~180 C
STAINLESS STEEL: NBR SEAT :-12 C~82 C
EPDM SEAT :-45C ~135 C
CSM( Hypalon) SEAT: -18C ~135 C
VITON SEAT:-12 C~135 C
PTFE SEAT:-18 C ~180 C
GENERAL DESIGN SPECIFICATIONS:
ITEM GERMANY STANDARD
MANUFACTURE: DIN3202
FACE TO FACE :API 609
END FLANGE: DIN 2543/2544
INSPECTION AND TEST: DIN 3320

TEST PRESSURE TO DIN3320:
PN SHELL (WATER):16 2.4MPA
25 3.75MPA
SEAT (WATER):1.76MPA
2.75MPA
SEAT (AIR):0.6MPA
0.6MPA