Cast Steel Gate Valves

Additional Details

FLOW CARE Cast Steel Gate Valves of 150, 300 & 500 Class outside screw and yoka rising spindle, non-rising hand wheel bolted bonnet solid or flexible Wedge renewable body rings, removable spindle nut, valve can be repacked under pressure when in the full open position.

Technical Specifications

PARTS
   

MATERIALS

BODY
   

ASTMA216GrWCB

BONNET
   

ASTMA216GrWCB

BODY RING
   

ASTM A105 WITH 13% CR FACING /A217 Gr CA15

WEDGE
   

ASTM A216 Gr WCB WITH 13% CR FACING/A217 Gr CA 15

SPINDLE
   

13% CR/ASTM A276 TYPE 410/ASTM A182 Gr F6

BACK SEAT BUSH
   

13% CR/ASTM A276 TYPE 410

SPINDLE NUT
   

ASTMA439 TYPE D2

BONNET STUD BOLT
   

ASTM A193 Gr B7

BONNET STUD BOLT NUT
   

ASTM A194 Gr 2H

HAND WHEEL
   

MALLEABLE IRON/SG IRON/ STEEL

PACKING
   

COMPRESSED ASBESTOS WITH INCONEL WIRE INSERT/GRAFOIL

BONNET GASKET
   

CSIG / SPIRALLY WOUND SS 304 WITH CAF


Inspection And Testing API 598:


Class
   

Shell
   

Seat

150
   

450 Psig
   

315 Psig

300
   

1125 Psig
   

815 Psig

600
   

2250 Psig
   

1630 Psig.

Air under water
   

 
   

80 Psig

Reference Standards:


Design
   

API 600

Face to face dimensions
   

ANSI B16.10

End flange dimensions
   

ANSI B.16.5

Butt welded end dimensions
   

ANSI B16.25

Pressure-Temperature Ratings
   

ANSI B16.5/B16.34