4Matic Offers Advance Combination Angle type Silent Safety Valve for Third Generation Process Industries.

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

Pressure / Temperature
Temperature 80 °C ( For Water ) / 180 °C ( For Steam )
 Maximum Working Pressure 21 Kg/cm2, Inlet
Pressure Adjusting Range 0.5 ~ 10 Kgf/cm2 / 10 ~ 20 Kgf/cm2
20 ~ 30 Kgf/cm2 / 30 ~ 40 Kgf/cm2
40 ~ 50 Kgf/cm2
No. Description Material Qty.
01 Body Screwed CF8 / CF8M 01
02 Bonnet CF8 / CF8M 01
03 Plug CF8 / CF8M 01
04 Spring S. S. 302 01
05 Spring Guide Brass / S. S. 410 01
06 Diaphragm NBR / Viton 01
07 V – Seal NBR / Viton 01
08 Washer NBR / Viton 01
09 Plug Bolt CF8 / CF8M 01
10 O – Ring NBR / Viton 01
11 Adjusting Bolt S. S. 304 01
12 Adjusting Nut S. S. 304 01
Dimensions : (Screwed)(All Dimensions are in mm)
Valve Model Valve Size A B C D Weight (Approx.)
MM Inch
4M-PLS – 15 15 1/2″ 48.8 22.1 118 98.5 0.750
4M-PLS – 20 20 3/4″ 50 28 118 104.5 0.732
4M-PLS – 25 25 1″ 54.8 31 118 107.5 0.903
4M-PLS – 32 32 1.1/4″ 63.4 37 117 113 1.084
4M-PLS – 40 40 1.1/2″ 68 40.5 146 139.5 1.683
4M-PLS – 50 50 2″ 72.5 45.5 146 144.5 1.857
4M-PLS – 65 65 2.1/2″ 107.4 55 180 228.5 5.800
4M-PLS – 80 80 3″ 113 66.2 180 235.5 6.500
4M-PLS – 100 100 4″ 135 79 225.5 293.5 10.00
Dimensions : (Flange End) (All Dimensions are in mm)
Valve Model Valve Size A B C D Port ØD b Øg f ØJ N PCD Weight Approx.
MM Inch
4M-PLF – 25 25 1″ 72 70 116.6 147.3 24 107.9 9.6 50.8 2 15.9 4 79.4 2.000
4M-PLF – 40 40 1.1/2″ 90 92 146.6 189 37 127 12.7 73 2 15.9 4 98.4 4.100
4M-PLF – 50 50 2″ 104.5 104.5 147.4 204 49 157.4 14.3 92.1 2 19.05 4 120.7 5.900
4M-PLF – 65 65 2.1/2″ 115 115 180.7 283.5 64 177.8 15.9 104.8 2 19.05 4 139.7 11.400
4M-PLF – 80 80 3″ 125 125 181.7 293 75 190 17.5 127 2 19.05 4 152.4 13.150
4M-PLF – 100 100 4″ 145 145 224.2 356.5 98 228.6 22.3 157.2 2 19.05 8 190.5 21.500