Ball Valve

DESIGN DESCRIPTION:
* BOLTED CAP,
* V-PORT
* CONNECTRION: FLANGED ENDS
* 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.
PRESSURE GRADE FROM TO
CLASS 150 1” 10”
CLASS 300 1” 10”
* We hereby reserve the rights of any alternative dimension that would help to improve our
valve's quality and working efficiency