Gun Metal Gate Valve
Gate Valve
IS: 778 CLASS-1, ISI MARKED
NON - RISING STEM SCREWED

SPECIFICATION :

"DRP" Gun Metal Gate Valve , Screwed in bonnet, Inside Screw, non rising stem , Integral seats , Screwed female ends (BSP) to IS :554 - 1985, Handwheel operated conforming to IS :778 - 1984 Class - 1, Valves are blue painted.

TESTING :
Testing of Valves is done as per specification under clause - 9 of IS : 778 -1984, The hydraulic Test pressures are indicated below :-
Body Test Pressure = 1.5 MPa Hyd.
Seat & Backseat Pressure = 1.0 MPa Hyd.
Gate Valve Diagram
 
MATERIALS
Components Meterial Material Code
Body, Bonnet, Wedge Stuffing Box, Glade & Glad Nut. Gun Metal / Leaded Tin Broze GM/L TB 2
Spindle Forged Brass FB
Handwheel Cast Iron CI
Gland Packing Asbestos ASB
Washer & Screw for Handwheel Mild Steel MS
 
DIMENSIONS IN MM
Normal Size F H W
15 60 98 61
20 60 114 65
25 70 121 75
32 80 134 82
40 90 156 92
50 100 177 99
65 105 222 110
80 125 245 134
100 160 298 164