Pressure Class 150 through 800
Forged steel Cryogenic Wedge Gate valve. Bolted Extended Bonnet,
Outside screw & Yoke. Gasket Joint, Stem Rising through Hand Wheel,
Non Rising Hand Wheel, Renewable Seat, Solid Wedge, Integral Back Seat,
Suitable for repacking under pressure when valve is fully open.
Technical Diagram
Material Specification
|
Item
No.
|
Description
|
Material
|
|
01
|
Body
|
ASTM A350 Gr.LF2
|
|
02
|
Bonnet
|
ASTM A350 Gr.LF2
|
|
02A
|
Gland Housing
|
ASTM A350 Gr.LF2
|
|
03
|
Spindle
|
SS.304 (No Casting)
|
|
04
|
Seat
|
SS.304/ SS.316 / + Stellite Gr.6
|
|
06
|
Wedge
|
SS.304/ SS.316 / + Stellite Gr.6
|
|
07
|
Gland Boss
|
SS.304/ SS.316
|
|
08
|
Gland Flange
|
ASTM A307 Gr.B/ SS.304
|
|
09
|
Sleeve
|
NOD-NI-RESIST /AL-BRZ
|
|
13
|
Hand Wheel
|
M. C. I. / FAB. STEEL
|
|
101
|
Bonnet Bolt
|
ASTM A320 Gr.L7/ASTM A193 Gr.B8
|
|
104
|
Gasket
|
SS 304/316 sprl. Wound with CA Flr.
|
|
105
|
Gland Packing
|
Grafoil Die Moulded Rings/ PTFE
|
|
106
|
Swing Bolt
|
ASTM A193 Gr.B7
|
|
107
|
SS. Washer
|
SS 304
|
|
110
|
Gland Nut
|
SS 304
|
|
112
|
Sleeve Nut
|
ASTM A307 Gr.B/SS.304
|
|
122
|
Name Plate
|
Aluminium
|
|
123
|
Extension Piece
|
ASTM A333 Gr.6
|
|
Special Features
|
|
Material
(Body & Bonnet)
|
F304/ F316 Most Widely Used Specification
|
|
Trim
|
(AISI 304 / AISI 316 /) / + Stellited
|
|
Accessories
|
Various types available to suit customer's
requirement.
|
|
Standards
|
|
Valve Standards
|
API 600 /API 602/BS 6364 / ASME B16.34
|
|
Inspection & Testing Standard
|
API 598 / ASME B16.34 /BS 6755 Part 1
|
|
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
800
Fig. No.
CR8499
|
15
|
Bolted/Welded
|
SW/SC/BW
|
84
|
420
|
96
|
|
20
|
-Do-
|
-Do-
|
96
|
440
|
116
|
|
25
|
-Do-
|
-Do-
|
115
|
465
|
116
|
|
40
|
-Do-
|
-Do-
|
175
|
545
|
150
|
|
Valves may be offered with IBR Certificate in Form III C
|
All dimensions are in mm
|
|
