Product Main

Specifications

BALL VALVE PRODUCT’S SIZE:
PRESSURE GRADE                FROM                  TO
CLASS 150                    1”                     10”
CLASS 300                    1”                     10”
 
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           -29 C~425 C                   6 F~822 F
STAINLESS STEEL        -40 C~550 C                    15 F~1047 F
 
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:
RELATIVE OPEN DEGREE
SIZE 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.