DESIGN DESCRIPTION: * OUTSIDE SCREW AND YOKE; * BOLTED BONNET; * FLEXIBLE WEDGE, FULLY GUIDER; * INTEGRAL SEATS; * RISING STEM HANDWHEEL; * AVAILABLE WITH GEAR OPERATOR; * FLANGED ENDS OR BUTT-WELDING ENDS; * RISING FLANGE OR RING TYPE JOINT. WORKING TEMPERATURE: WORKING TEMPERATURE MATERIAL CELSIUR SCALE FAHRENHEIT CARBON STEEL -290C~4250C 60F~8220F STAINLESS STEEL -400C~5500C 150F~10470F GENERAL DESIGN SPECIFICATIONS: ITEM AMERICAN STANDARD BRITISH STANDARD MANUFACTURE API 6D OR API 600 BS 1414 PRESSURE-TEMPERATURE RATINGS ANSI B16.34 BS 1560 FACE TO FACE ANSI B16.10 BS 2080 END TO END ANSI B16.10 BS 2080 END FLANGE ANSI B16.5 BS 1560 END BUTT-WELDING ANSI B16.25 BS 1414 GASKET CONTACT ANSI B16.5 BS 1560 INSPECTION AND TEST API 598 BS 6755 PART 1 TEST PRESSURE TO API 598 OR BS 6755 PATRT 1 TRIMS SPECITIED DUE TO TABLE 3: CLASS SHELL (WATER) SHELL (AIR) SEAT (WATER) SEAT (AIR) BACK SEAT (WATER) 300 7.8MPA 1125PSI 5.6MPA 815PSI 5.6MPA 815PSI 0.6MPA 80PSI 7.8MPA 1125PSI DISC SEAT SURFACE PART NO.3 BODY SEAT SURFACE PART NO.2 STEM PART NO.4 BACKETSEAT PART NO.9 F6 F6 F6 F6 STELLITE STELILITE F6 F6 F6 STELILITE F6 F6 304 304 F304 F304 316 316 F316 F316 304L 304L F304L F304L 316L 316L F316L F316L MONEL MONEL MONEL MONEL OTHER MATERIALS ARE AVAILABLE UPON REQUEST.