Cast Steel Butterfly Valve

DESIGN DESCRIPTION:
* CAST STEEL BUTTERFLY VALVE PN16/25
* TRIPLE ECCENTRIC TYPE.
* MILTILAYER DISC SEAL IN PTFE/R-PTFE/NYLON
* AVAILABLE PTFE SEAL
* METAL SEAT FACING.
* CONNECTION: RF(RAISED FACE); RTJ (RING TYPE
JOINT),LUG TYPE FLANGE
WORKING PRESSURE AND TEMPERATURE
WORKING TEMPERATURE
MATERIAL CELSIUR SCALE
CARBON STEEL -290C~2200C
STAINLESS STEEL -400C~2200C
GENERAL DESIGN SPECIFICATIONS:
ITEM GERMANY STANDARD
MANUFACTURE DIN 3202
PRESSURE-TEMPERATURE RATINGS ANSI B16.34
FACE TO FACE DIN 3202 K3
END FLANGE DIN2543/2544
INSPECTION AND TEST DIN3230
TEST PRESSURE TO DIN3230:
PARTS AND MATERIAL (ASTM)
NO. PART NAME MATERIAL
1 BODY ASTM A216-WCB/A351-CF8/CF8M
2 COVER ASTM A105/ENP/A182-F304/F316
3 SEAT RING PTFE/R-PTFE/NYLON
4 DISC ASTM A216-WCB/A351-CF8/CF8M
5 PIN ASTM A276-410
6 STEM ASTM A276-420
7 BUSHING STEEL LINER PTFE
8 STEM PACKING GRAPHITE
9 GLAND A182-F6a/F304/F316
10 GLAND BOLT A193-B7/B8/B8M
11 GLAND NUT A194-2H/8/8M
12 YORK ASTM A216-WCB/A351-CF8/CF8M
13 GEAR DUCTILE IRON
OTHER MATERIALS ARE AVAILABLE UPON REQUEST.
* We hereby reserve the rights of any alternative dimension that would help to improve our
valve's quality and working efficiency