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 ℃ ~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