Casting Steel Ball Valve

DESIGN DESCRIPTION:
* BOLTED CAP,
* V-PORT
* CONNECTRION: WAFER
* SOFT SEAL, AVAILABLE METAL SEAL.
WORKING PRESSURE AND TEMPERATURE
WORKING TEMPERATURE
MATERIAL CELSIUR SCALE FAHRENHEIT
CARBON STEEL -290C~4250C 60F~8220F
STAINLESS STEEL -400C~5500C 150F~10470F
GENERAL DESIGN SPECIFICATIONS:
ITEM CLASS 150/300
MANUFACTURE FACTORY STD
PRESSURE-TEMPERATURE RATINGS ANSI B16.34
FACE TO FACE FACTORY STD
END FLANGE ANSI B16.5
INSPECTION AND TEST API 598
TEST PRESSURE TO API 598:
ANSI SHELL (WATER) SEAT (WATER) SEAT (AIR)
150 3.1MPA 450PSI 2.2MPA 315PSI 2.2MPA 315PSI
300 7.8MPA 1125PSI 5.6MPA 815PSI 5.6MPA 815PSI
RELATION BETWEEN CORRESPONDING OPEN AND FLOW COEFFICIENT Cv:
SIZE RELATIVE OPEN DEGREE 10% 30% 50% 70% 90% 100%
DN INCH FLOW VOLUME COEFFICIENT Cv
25 1 0.5 2 5.2 10 19 28
40 1-1/2 1.2 5.7 15 30 54 81
50 2 1.9 8.8 23 46 83 125
65 2-1/2 3.2 14 39 76 138 208
80 3 4.4 20 54 106 192 290
100 4 7 33 86 170 308 465
125 5 10 46 122 240 436 658
150 6 13 60 157 310 564 850
200 8 21 97 255 503 915 1380
250 10 33 152 401 792 1440 2170
PARTS AND MATERIAL (ASTM):
NO. PARTS NAME MATERIALS
1 LOWER CAP ASTM A216-WCB A351-CF8 A351-CF8M A351-CF3 A351-CF3M
2 GASKET RPTFE/GRAPHITE
3 BODY ASTM A216-WCB A351-CF8 A351-CF8M A351-CF3 A351-CF3M
4 LOWER STEM ASTM A182-F6 A182-F304 A182-F316 A182-F304L A182-F316L
5 V BALL ASTM A105+ENP A182-F304 A182-F316 A182-F304L A182-F316L
6 SEAT SEAL RING PTFE/RPTFE/NYLON
7 METAL SEAT A105+ENP F304 F316 F304L F316L
8 O-RING EPDM/NBR/VITON
9 STEM ASTM A182-F6 A182-F304 A182-F316 A182-F304L A182-F316L
10 O-RING EPDM/NBR/VITON
11 COMPRESSION PLATE ASTM A182-F6 A182-F304 A182-F316 A182-F304L A182-F316L
12 CAP STUD ASTM A193 B7 ASTM A193 B8M
13 GEAR DUCTILE IRON
OTHER MATERIALS ARE AVAILABLE UPON REQUEST.