DESIGN DESCRIPTION:

* BOLTED BONNET AND WELDING BONNET;

* WELDING SEAT;

* INTEGRAL SEATS;

* HANDWHEEL OPERATOR;

* AVAILABLE WITH GEAR OPERATOR;

* FLANGED ENDS OR BUTT-WELDING ENDS;

* RISING FLANGE OR RING TYPE JOINT.

 SIZE :DN10-DN300

WORKING PRESSURE AND TEMPERATURE

CARBON STEEL:-29 C~425 C 6 (F~822 F)

STAINLESS STEEL :-40 C~550 C(15 F~1047 F)

GENERAL DESIGN SPECIFICATIONS:

MANUFACTURE : DIN 3356

FACE TO FACE: DIN 3202 F1

END FLANGE: DIN 2543 DIN 2544 DIN 2545

INSPECTION AND TEST: DIN 3230

TEST PRESSURE TO DIN 3230:

DIN SHELL (WATER): 2.4MPa

                     3.75MPa

                     6.0MPa

SEAT (WATER) : 1.76MPa

                2.75MPa

                4.4MPa

SEAT (AIR) : 0.6MPa 

            0.6MPa

             0.6MPa

BACK SEAT(WATER): 1.76MPa

                      2.75MPa

                      4.4MPa