Size Range : 1/2″ to 4″ Screwed / Flanged

Function

Safety valves are used on Pressure equipments, Containers or Pipeline as over Pressure in the equipment increases and exceeds allowance, the valve can automatically open to discharge some mediums to prevent the pressure keeping raised. When the pressure decreases till to the stipulated value, the valve can close in time to avoid the pressure too much reduced, so that normal production will be carried out.

No. Description Material Qty.
01 Body Screwed WCB / CF8 / CF8M 01
02 Bonnet WCB / CF8 / CF8M 01
03 Balanced Piston CF8 / CF8M 01
04 Adjusting Ring S. S. 304 01
05 Adjusting Bolt S. S. 304 01
06 Adjusting Lock Nut M. S. 01
07 Stem S. S. 304 01
08 Flat Washer M. S. 01
09 Spring S. S. 302 01
10 Spring Guide S. S. 304 02
11 Lock Screw S. S. 304 01
12 Cap CF8 / CF8M 01
13 Lifting Lever CF8 / CF8M 01
14 Lever Pin S. S. 304 01
15 Hex. Nut Lock Screw ASTM 194 01
16 Hex. Nut For Steam ASTM 194 01
17 Fitting Bolt For Cap ASTM 194 02
18 Spring Washer S. S. 304 01
No. Description Material Qty.
01 Body Flanged WCB 01
02 Top Cover WCB 01
03 Bracket WCB 01
04 Bonnet CF8 / CF8M 01
05 Bonnet Adjusting Ring CF8 / CF8M 01
06 Piston Guide CF8 / CF8M 01
07 Piston Guide Adjusting Ring CF8 / CF8M 01
08 Piston CF8 / CF8M 01
09 Adjusting Bolt S. S. 304 01
10 Adjusting Lock Nut M. S. 01
11 Stem S. S. 304 01
12 Spring S. S. 302 01
13 Lifting Lever CF8 / CF8M 01
14 Lifting Handle CF8 / CF8M 01
15 Lifting Lever Pin M. S. 01
16 Lifting Handle Pin M. S. 01
17 Piston Bush M. S. 01
18 Cap Lock Nut M. S. 02
19 Nut For Stem M. S. 01
# Fitting Stud M. S. 08
21 Fitting Nut M. S. 08

Screwed End Dimension

Dimensions : (All Dimensions are in mm)
Valve Model Valve Size L H
MM Inch
4M-PTS – 15 15 1/2″ 59.5 193.5
4M-PTS – 20 20 3/4″ 67 212.5
4M-PTS – 25 25 1″ 75 235.8
4M-PTS – 32 32 1.1/4″ 88.5 273.85
4M-PTS – 40 40 1.1/2″ 100 293.2
4M-PTS – 50 50 2″ 110 324.8
4M-PTS – 65 65 2.1/2″ 133 415.85
4M-PTS – 80 80 3″ 174.5 486

Flange End Dimension

Dimensions :   (All Dimensions are in mm)
Valve Model Valve Size L H
MM Inch
4M-PTF – 50 50 2″ 213 627.3
4M-PTF – 65 65 2.1/2″ 235 652.4
4M-PTF – 80 80 3″ 248 809.5