GATE VALVE PRODUCT’S SIZE:

DESIGN DEscriptION:

* BOLTED BonNET AND WELDING BONNET;

* OUTSIDE SCREW AND YOKE FLEXIBLE WEDGE,

* FULLY GUIDER;

* INTEGRAL SEATS;

* HANDWHEEL OPERATOR;

* AVAILABLE WITH GEAR OPERATOR;

* FLANGED ENDS OR BUTT-WELDING ENDS;  

* RISING FLANGE OR RING TYPE JOINT.

PRESSURE GRADE  FROM  TO

PN 16 2” 24”

WORKING PRESSURE AND TEMPERATURE

WORKING TEMPERATURE

MATERIAL CELSIUR SCALE FAHRENHEIT

CARBON STEEL  -290

C~4250

C 60

F~8220

F

STAINLESS STEEL  -400

C~5500

C 150

F~10470

F

GENERAL DESIGN SPECIFICATIONS:

ITEM  DIN PN 16

MANUFACTURE DIN 3352

FACE TO FACE  DIN3202 F4

END FLANGE  DIN 2543

INSPECTION AND TEST  DIN 3230

TEST PRESSURE TO DIN 3230

DIN  SHELL (WATER)  SEAT (WATER)  SEAT (AIR)  BACK SEAT(WATER)

PN 16  24BARS  17.6BARS 6BARS 17.6BARS

TRIMS SPECITIED DUE TO TABLE 3:

DISC SEAT SURFACE PART NO.2  BODY SEAT SURFACE    STEM PART NO.3  BACKETSEAT

F6 F6 F6 F6

STELLITE STELILITE F6 F6

F6 STELILITE F6 F6

F304 F304 F304 F304

F316 F316 F316 F316

MonEL MonEL MonEL MONEL

ALLOY 20  ALLOY 20  ALLOY 20  ALLOY 20

HASTELLOY B  HASTELLOY B  HASTELLOY B  HASTELLOY B

BRonZE BRonZE BRonZE BRONZE

CF8 R-PTFE(INSERT) S.S. S.S.

OTHER MATERIALS ARE AVAILABLE UPON REQUEST.

PARTS AND MATERIAL (ASTM)

NO PARTS NAME  MATERIAL

1 BODY  GS-C25

4  BonNET BOLT NUT  A1942H

5 BonNET BOLT  A193B7

6  GASKET  REINFORCED FLAT GRAPHITE,OR SS SPIREAL WOUND W/GRAPHITE

7 BONNET  GS-C25

8  STEM PACKING  BRAIDED GRAPITE OR DIEFORMED GRAPHITE RING OR PTFE

9 PIN  CARBON STEEL

10 EYE BOLT  A193B7

11 WASHER  CARBON STEEL

12 EYE BOLT NUT  A1942H

13 GLAND  GS-C25

14  LUBRICATOR  STEEL OR BRAS

15  STEM NUT  A439-D2 OR A276-410 OR BRASS

16 RETAINER NUT  STEEL

17 HANDWHEEL  DUCTILE IRON

18 H.W.LOCK NUT  STEEL

OTHER MATERIALS ARE AVAILABLE UPON REQUEST.