Product Main

Specifications

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.
PRESSURE GRADE : PN16 PN25  PN40
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:
ITEM ;DIN PN 16  DIN PN 25   DIN PN 40
MANUFACTURE  : DIN 3356    DIN 3356       DIN 3356
FACE TO FACE  : DIN 3202 F1  DIN 3202 F1    DIN 3202 F1
END FLANGE  : DIN 2543       DIN 2544       DIN 2545
INSPECTION AND TEST;DIN 3230  DIN 3230     DIN 3230
 
TEST PRESSURE TO DIN 3230:
ITEM : PN 16  PN25  PN 40
DIN SHELL (WATER) : 2.4MPa     3.75MPa     6.0MPa
SEAT (WATER) :      1.76MPa    2.75MPa     4.4MPa
SEAT (AIR) :           0.6MPa    0.6 MPa     0.6MPa
BACK SEAT(WATER):  1.76MPa   2.75MPa   4.4MPa
 
PARTS AND MATERIAL (ASTM)
1 BODY  :A216WCB A352LCB A217WC1 A217WC5 A217WC6 A351CF8 A351CF8M A351CF3 A351CF3M
4 SEAT RIONG  :DUCTILE IRON A351CF8 A351CF8M A351CF3 A351CF3M
5 GASKET  :REINFORCED FLAT GRAPHITE,OR SS SPIREAL WOUND W/GRAPHITE
6 BONNET  : A216WCB A352LCB A217WC1 A217WC5 A217WC6 A351CF8 A351CF8M A351CF3 A351CF3M
7 BONNET BOLT:  A193B7  A320L7  A193B7  A193B16  A 193B16  A193B8  A 193B8  A193B8