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 MANUFACTURE API 603 PRESSURE-TEMPERATURE RATINGS ANSI B16.34 FACE TO FACE ANSI B16.10 END TO END ANSI B16.10 END FLANGE ANSI B16.5 INSPECTION AND TEST API 598 TEST PRESSURE TO API 598 OR BS 6755 PATRT 1 CLASS SHELL (WATER) SHELL (AIR) SEAT (WATER) SEAT (AIR) BACK SEAT (WATER) 150 3.1MPA 450PSI 2.2MPA 315PSI 2.2MPA 315PSI 0.6MPA 80PSI 3.1MPA 450PSI TRIMS SPECITIED DUE TO TABLE 3: DISC SEAT SURFACE PART NO.3 BODY SEAT SURFACE PART NO.2 STEM PART NO.4 304 304 F304 316 316 F316 304L 304L F304L 316L 316L F316L OTHER MATERIALS ARE AVAILABLE UPON REQUEST.