DESIGN DESCRIPTION: * BOLTED BONNET AND WELDING BONNET; * OUTSIDE SCREW AND YOKE FLEXIBLE WEDGE, * FULLY GUIDER; * INTEGRAL SEATS; * HANDWHEEL OPERATOR; * AVAILABLE WITH GEAR OPERATOR; * FLANGED ENDS OR BUTT-WELDING ENDS; * RISING FLANGE OR RING TYPE JOINT. SIZE :DN20-DN600
WORKING TEMPERATURE: CARBON STEEL :CELSIUS SCALE -29 C~425 C
FAHRENEIT 6 F~822 F
STAINLESS STEEL: CELSIUS SCALE -40 C~550
FAHRENEIT 15 F~1047 F
GENERAL DESIGN SPECIFICATIONS: ITEM: DIN PN 16 PN25 PN40
MANUFACTURE :DIN3352
FACE TO FACE :DIN3202 F4 DIN3202 F5 DIN 3202 F7
END FLANGE :DIN2543 DIN2544 DIN2545
INSPECTION AND TEST :DIN3230
TEST PRESSURE TO DIN 3230
SHELL (WATER):2.4MPa 3.75MPa 6.0MPa
SEAT (WATER):17.6BARS 2.75MPa 4.4MPa
SEAT (AIR):0.6MPa 0.6MPa 0.6MPa
BACK SEAT (WATER):1.76MPa 2.75MPa 4.4MPa
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