sell Cast Steel Gate Valve PN16 25 40

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