DESIGN DESCRIPTION:

BOLTED BONNET;

INVERTED PLUG;

GLAND DESIGN;

METAL TO METAL SEAT;

FLANGED ENDS OR BUTT-WELDING ENDS;

PRESSURE  RATING :CLASS150 CLASS300  CLASS600

SIZE :DN50-DN600

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 :AMERICAN STANDARD

MANUFACTURE :API 6D OR API 599

PRESSURE-TEMPERATURE RATINGS: ANSI B16.34

FACE TO FACE :ANSI B16.10

END TO END :ANSI B16.10

END FLANGE: ANSI B16.5

END BUTT-WELDING: ANSI B16.25

INSPECTION AND TEST :API 598 OR API 6D

TEST PRESSURE TO API 598:

CLASS SHELL (WATER) : 3.1MPA 450PSI   7.8MPA 1125PSI  15.3MPA 2225PSI

SEAT (WATER) : 2.2MPA 315PSI           5.6MPA 815PSI       11.2MPA 1630PSI

SEAT (AIR): 0.6MPA 80PSI                 0.6MPA 80PSI     0.6MPA  80PSI

PARTS AND MATERIAL (ASTM)

1 COVER :ASTM A216-WCB A351-CF8 A351-CF8M A351-CF3 A351-CF3M

2 COVER BOLT: ASTM A193-B7 A193B8 A193B8 A193B8 A193B8

3 GASKET: GRAPHITE+304 GRAPHITE+316

4 BODY: ASTM A216-WCB A351-CF8 A351-CF8M A351-CF3 A351-CF3M

5 PLUG: WCB+ENP A351-CF8 A351-CF8M A351-CF3 A351-CF3M

6 STEM: F6a F304 F316 F304L F316L

7 SMALL BALL: STAINLESS STEEL

8 SMALL SPRING:STAINLESS STEEL

9 LOWER GASKET: PTFE

10 O-RING: VITON

11 INJECTION FITTING :CARBON STEEL

12 STEM PACKING :GRAPHITE OR PTFE

13 GLAND FLANGE :ASTM A 216-WCB A351-CF8 A351-CF8M A351-CF3 A351-CF3M

14 HANDLE: CARBON STEEL

OTHER MATERIALS ARE AVAILABLE UPON REQUEST.