DESIGN DESCRIPTION:

OUTSIDE SCREW AND YOKE;

BOLTED BONNET;

FLEXIBLE WEDGE, FULLY GUIDER;

INTEGRAL SEATS;

RISING STEM HANDWHEEL;

AVAILABLE WITH GEAR OPERATOR;

FLANGED ENDS OR BUTT-WELDING ENDS;

RISING FLANGE OR RING TYPE JOINT.

SIZE :DN 10-DN600

WORKING 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 :AMERICAN STANDARD

MANUFACTURE :API 603

PRESSURE-TEMPERATURE RATINGS :ANSI B16.34

FACE TO FACE :ANSI B16.10

END TO END: ANSI B16.10

END FLANGE :ANSI B16.5

INSPECTION AND TEST :API 598

TEST PRESSURE TO API 598 OR BS 6755 PATRT 1

SHELL (WATER) : 3.1MPA 450PSI

SHELL (AIR) : 2.2MPA 315PSI

SEAT (WATER) : 2.2MPA 315PSI

SEAT (AIR): 0.6MPA 80PSI

BACK SEAT (WATER: 3.1MPA 450PSI

PARTS AND MATERIAL (ASTM)

1 BODY :A351-CF8 A351-CF8M A351-CF3 A351-CF3M

5 GASKET: PTFE, OR RR-PTFE

6 BONNET :A351-CF8 A351-CF8M A351-CF3 A351-CF3M

7 BONNET BOLT NUT: A1948 A1948 A1948 A1948

8 BONNET BOLT: A193B8 A193B8 A193B8 A193B8

9 STEM PACKING: BRAIDED GRAPITE OR DIEFORMED GRAPHITE RING OR PTFE

10 GLAND :SS304 SS316 SS304L SS316L

11 GLAND FLANGE: SS304 SS316 SS304L SS316L

12 EYE BOLT PIN :ST. STEEL ST. STEEL ST. STEEL ST. STEEL

13 EYE BOLTED NUT: A1948 A1948 A1948 A1948

14 EYE BOLT: A193B8 A193B8 A193B8 A193B8

15 STEM NUT: A439-D2 OR A276-410

16 HANDWHEEL: DUCTILE IRON

17 YOKE BOLT: A193B8 A193B8 A193B8 A193B8

18 YOKE BOLT NUT :A1948 A1948 A1948 A1948

19 YOKE :A351-CF8 A351-CF8M A351-CF3 A351-CF3M

20 BEARING :STAINLESS STEEL

OTHER MATERIALS ARE AVAILABLE UPON REQUEST.