DIN PN16/25 TRIPLE ECCENTRIC TYPE CARBON STEEL OR STAINLESS STEEL BUTTERFLY VALVE BUTT-WELDING ENDS TRIPLE ECCENTRIC TYPE
BUTTERFLY VALVE PRODUCT’S SIZE:
PRESSURE GRADE FROM TO
PN16 4” 56”
PN25 4” 56”
DESIGN DESCRIPTION:
* CAST STEEL BUTTERFLY VALVE PN16/25
* TRIPLE ECCENTRIC TYPE.
* MILTILAYER DISC SEAL IN STAILIESS
STEEL+GRAPHITE OR PTFE/R-PTFE
* AVAILABLE PTFE SEAL
* METAL SEAT FACING.
* CONNECTION: BUTT-WELDING ENDS
WORKING PRESSURE AND TEMPERATURE
WORKING TEMPERATURE
MATERIAL CELSIUR SCALE
CARBON STEEL -290
C~2200
C
STAINLESS STEEL -400
C~2200
C
GENERAL DESIGN SPECIFICATIONS:
ITEM GERMANY STANDARD
MANUFACTURE DIN3202
PRESSURE-TEMPERATURE RATINGS ANSI B16.34
FACE TO FACE DIN 3202 K3
END BUTT-WELDING CUSTOMER STD
INSPECTION AND TEST DIN3230 OR API598
TEST PRESSURE TO API 598
DIN SHELL (WATER) SEAT (WATER) SEAT (AIR)
PN16 2.4MPA 2.64MPA 0.6MPA
PN25 3.6MPA 3.96MPA 0.6MPA
1
PARTS AND MATERIAL (ASTM)
NO. PART NAME MATERIAL
1 BODY ASTM A216-WCB/A351-CF8/CF8M
2 SEAL FACING 13CR/SS304/SS316
3 SEAL RING SS304+GRAPHITE/SS316+GRAPHITE/PTFEw-
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