|
Pressure Class 1500 through 2500
Forged Steel Wedge Gate Valve. Welded Bonnet, Outside Screw & Yoke,
Rising Stem Through Hand wheel, Non Rising Hand Wheel, Non Renewable
seat, Integral Back seat, solid wedge. Suitable for repacking under
pressure when Valve is fully open.
Technical Diagram
Material Specification
|
Description
|
Material
|
|
Body
|
ASTM A105
|
|
Bonnet
|
ASTM A10S
|
|
Spindle
|
13% Cr.SS (No Casting)
|
|
Seat
|
13% Cr.SS + Stellite Gr. 6
|
|
Wedge
|
13% Cr.SS + Stellite Gr.6
|
|
Gland Boss
|
13% Cr.SS
|
|
Gland Flange
|
ASTM A105
|
|
Sleeve
|
ASTM A439 Gr.D2
|
|
Back Seat
|
Depo.13%Cr.SS/Stellite Gr.6
|
|
Hand Wheel
|
M.C.I./FAB STEEL
|
|
Hand Wheel Key
|
ASTM A307 Gr.B
|
|
Gland Packing
|
Grafoil Die Moulded Rings
|
|
Gland Stud
|
ASTM A193 Gr.B7
|
|
Gland Nut
|
SS 304/ASTM A194 Gr.2H
|
|
Gland Lock Nut
|
SS304/ASTM A194 Gr.2H.
|
|
Sleeve Nut
|
ASTM A307 Gr.B
|
|
Name Plate
|
Aluminium
|
|
Special Features
|
|
Material
(Body & Bonnet)
|
In grades LF2 / F5 / F9 / F11 / F22 / F304 / F304H / F316 /
F316H / F304L/ F316L / F321 / F321H / F347 etc.
|
|
Trim
|
(AISI 304/ AISI 316/ AISI 321/ AISI 347) + Stellited
|
|
Accessories
|
Various types available to suit customer's requirements.
|
|
Standards
|
|
Valve Standards
|
BS 1873 /ASME B16.34 / Indian Boiler Regulation (IBR)
|
|
Inspection & Testing Standard
|
BS 6755 Part 1 / ASME B16.34 / Indian Boiler Regulation (IBR)
|
|
Ends: Socket weld
Screwed
Butt-Weld
|
ASME B16.11
ASME B1.20.1
ASME B16.25
|
Socket, Screw & Butt Weld Ends
|
|
Size NB.
|
Body & Bonnet
Construction
|
Ends
|
A
|
B
|
C
|
|
Class
1500
Fig. No.
15699
|
15
|
Bolted/Welded
|
SW/SC/BW
|
84
|
159
|
96
|
|
20
|
-Do-
|
-Do-
|
96
|
180
|
116
|
|
25
|
-Do-
|
-Do-
|
115
|
200
|
116
|
|
40
|
-Do-
|
-Do-
|
175
|
255
|
150
|
|
Class
2500
Fig. No.
25499
|
15
|
Welded
|
SW/BW
|
115
|
225
|
150
|
|
20
|
-Do-
|
-Do-
|
115
|
235
|
150
|
|
25
|
-Do-
|
-Do-
|
175
|
400
|
203
|
|
40
|
-Do-
|
-Do-
|
190
|
410
|
250
|
|
Valves may be offered with IBR Certificate in Form III C
|
All dimensions are in mm
|
|
