KNIFE GATE VALVE PRODUCT’S SIZE:

PRESSURE GRADE           FROM         TO

CLASS 150                2”           14”

DESIGN DESCRIPTION:

ONE-PIECE CAST STEEL BODY;

BOLTED GLAND 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

WORKING 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                                    API 6D OR API 600

PRESSURE-TEMPERATURE RATINGS                   ANSI B16.34

FACE TO FACE                                   ANSI B16.10

END FLANGE                                     MSS-SP-81

INSPECTION AND TEST                            API 598

TEST PRESSURE TO API 598 OR BS 6755 PATRT 1

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     GLAND PACKING           PTFE/NBR/CARBIDE ALLOY/S.S.

4     GLAND                   ASTM A216-WCB

5     BONNET BOLT             ASTM A193-B7

6     BONNET NUT              ASTM A194-2H

7     DISC BOLT               ASTM A193-B7

8     DISC HOLDER             CARBON STEEL

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

10     STEM NUT                BRASS

11     HANDWHEEL               CAST IRON

12     H.W. LOCK NUT           DUCTILE IRON

13     STEM                    ASTEM SS304/SS316/CARBON STEEL

14     SEAT                    NBR/PTFE/S.S/CARBIDE ALLOY

DIMENSIONS LIST(UNIT:MM):

SIZE        DN         L          D         D1          D2          H            W           n-      WEIGHT(KG)

2”         50       48        152         121         92         310          180          4-19            8.5

3”         80       51        191         152        127         340          220          4-19             13

 4"        100       51        229         191        157         390          240          8-19             15

 5”        125       57        254         216        186         420          240          8-22            23.5

 6"        150       57        279         241        216         500          280          8-22             31

8"        200       70        343         298        278         560          320          8-22            40.7

10"        250       70        406         362        324         670          360         12-25             70

12"        300       76        483         432        381         850          360         12-25            107

14"        350       76        533         472        413         950          400         12-28            129