KNIFE GATE VALVE PRODUCT’S SIZE:

PRESSURE GRADE             FROM           TO

CLASS 150                  2”             36”

DESIGN DESCRIPTION:

ONE-PIECE CAST STEEL BODY;

BOLTED BONNET OUT STEM AND YOKE TYPE;

INDUSTRY APPLICATION:

PAPER, WATER, WASTEWATER, CHEMICAL, POWER, STEEL, MINING AVAILABLE WITH CHAIN, GEAR, ELECTRIC, AIR OR,HYDRAULIC ACTUATION.

WORKING PRESSURE AND TEMPERATURE

MATERIAL       CELSIUR SCALE         FAHRENHEIT

DUCTILE IRON    0 C ~100 C              57 F~237 F

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                                                               FACTORY STANDARDS

PRESSURE-TEMPERATURE RATINGS                                              ANSI B16.34

FACE TO FACE                                                              MSS-SP-81

END FLANGE                                                                ANSI B16.5

INSPECTION AND TEST                                                       API 598

TEST PRESSURE TO API 598:

CLASS     SHELL (WATER)         SEAT (WATER)             SEAT (AIR)

150      3.1MPA  450PSI           2.2MPA     315PSI         0.6MPA    80PSI

PARTS AND MATERIAL (ASTM)

NO.     PARTS NAME                                             MATERIALS

1     BADY                 ASTM A216-WCB/A351-CF8/A351-CF8M/GGG-4 DUCTILE IRON

2     DISC                 ASTM A351-CF8/A351-CF8M /CARBON STEEL

3     SEAT                 NBR/EPDM/PTFE/S.S/CARBIDE ALLOY

4     DISC HOLDER          STAINLESS STEEL

5     STEM                 ASTEM SS410/SS304/SS316

6     GASKET               PTFE/GRAPHITE

7     BONNET BOLT          ASTM A193-B7

8     BONNET NUT           ASTM A194-2H

9     BONNET               ASTM A216-WCB/ A351-CF8/A351-CF8M/GGG-4 DUCTILE IRON

10     STEM PACKING         PTFE/GRAPHITE

11     GLAND                ASTM A216-WCB

12     GLAND BOLT           ASTM A193-B7

13     GLAND NUT            ASTM A194-2H

14     YOKE                 ASTM A216-WCB/ A351-CF8/A351-CF8M/GGG-4 DUCTILE IRON

15     NUT                  ASTM A194-2H

16     BOLT                 ASTM A193-B7

17     LUBRICATOR           STAINLESS STEEL/BRASS

18     STEM NUT             BRASS

19     RETAINER NUT         STEEL

20     HANDWHEEL            CAST IRON

21     NAME PLATE           ALUMINIUM

22     H.W. LOCK NUT        DUCTILE IRON

DIMENSIONS LIST(UNIT:MM):

SIZE          DN            L            D             D1           D2           H             D0           N-M

2”           50             48           152           121          92           415           180          4-M16

2-1/2”        65            48           178           139.5        105          445           180          4-M16

3”           80             51           191           152          127          497           220          4-M16

4"            100           51           229           191          157          575           220          8-M16

5”            125           57           254           216          186          635           230          8-M20

6"            150           57           279           241          216          775           280          8-M20

8"            200           70           343           298          278          940           360          8-M20

10"           250           70           406           362          324           1030         360          12-M22

12"           300           76           483           432          381           1186         400          12-M22

14"           350           76           533           476          413           1365         400          16-M27

16”           400           89           597           540          470           1550         400          16-M27

18”           450           89           635           578          533           1650         530          20-M30

20”           500           114          699           635          584           1860         530          20-M30

24”           600           114          813           750          692           2250         600          20-M33

30”           750           117          985           914          857           2800         600          28-M33

36”           900           117          1170          1086         1022          3650         8            32-M39