DESIGN DESCRIPTION: * BOLTED BONNET AND WELDING BONNET; * NON-RISING STEM AND FLEXIBLE WEDGE, * FULLY GUIDER; * INTEGRAL SEATS; * HANDWHEEL OPERATOR; * AVAILABLE WITH GEAR OPERATOR; * FLANGED ENDS OR BUTT-WELDING ENDS; * RISING FLANGE OR RING TYPE JOINT. WORKING PRESSURE AND TEMPERATURE WORKING TEMPERATURE MATERIAL CELSIUR SCALE FAHRENHEIT CARBON STEEL -290C~4250C 60F~8220F STAINLESS STEEL -400C~5500C 150F~10470F GENERAL DESIGN SPECIFICATIONS: ITEM DIN PN 16 MANUFACTURE DIN 3352 FACE TO FACE DIN 3202 F4 END FLANGE DIN 2543 INSPECTION AND TEST DIN 3230 TEST PRESSURE TO DIN 3230 DIN SHELL (WATER) SEAT (WATER) SEAT (AIR) BACK SEAT(WATER) PN 16 24BARS 17.6BARS 6BARS 17.6BARS TRIMS SPECITIED DUE TO TABLE 3: PRESSURE GRADE FROM TO PN 16 2” 20” DISC SEAT SURFACE PART NO.2 BODY SEAT SURFACE STEM PART NO.3 BACKETSEAT F6 F6 F6 F6 STELLITE STELILITE F6 F6 F6 STELILITE F6 F6 F304 F304 F304 F304 F316 F316 F316 F316 MONEL MONEL MONEL MONEL ALLOY 20 ALLOY 20 ALLOY 20 ALLOY 20 HASTELLOY B HASTELLOY B HASTELLOY B HASTELLOY B BRONZE BRONZE BRONZE BRONZE CF8 R-PTFE(INSERT) S.S. S.S. OTHER MATERIALS ARE AVAILABLE UPON REQUEST.