sell PISTON VALVE BOLTED BONNET DESIGN

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 A 193B8
8 BONNET BOLT NUT: A1942H A1944 A1942H A1944 A 1944 A1948 A 1948 A1948 A 1948
16 STEM NUT :A439-D2 OR A276-410
17 HANDWHEEL :DUCTILE IRON
18 H.W.LOCK NUT : STEEL
OTHER MATERIALS ARE AVAILABLE UPON REQUEST.