Size Range : 1/2″ to 2″ Screwed End

Silent Features

  • Valve Body is made by Stainless Steel #316, suitable for fluid, air and oil.
  • Larger diaphragm is more sensitive to pressure.
  • Pressure Adjusting Range  : 0.02 ~ 0.2 Kgf/cm
  • Applied Temperature  : -15 ~ 80 °C
  • Valve Body Testing Pressure   : 16 Kgf/cm2
  • Maximum Applied Pressure   : 10 Kgf/cm2
Dimensions : (All Dimensions are in mm)
Valve Model Valve Size L D
MM Inch
4M-MRS – 15 15 1/2″ 70.5 310
4M-MRS – 20 20 3/4″ 85.5 310
4M-MRS – 25 25 1″ 90.5 310
4M-MRS – 40 40 1.1/2″ 115 310
4M-MRS – 50 50 2″ 170 310
No. Description Material Qty.
01 Body S/E CF8 / CF8M 01
02 Bonnet CF8 / CF8M 01
03 Plug CF8 / CF8M 01
04 Plug V – Seal NBR / Viton 01
05 Sealing Spacer Seat NBR / Viton / PTFE 01
06 Piston S. S. 304 / 316 01
07 Bonnet Cover CF8 / CF8M 01
08 Diaphragm NBR / Viton / PTFE 01
09 End Cover CF8 / CF8M 01
10 Spring Spring Steel 01
11 Spring Guide Brass / S. S. 410 01
12 Diaphragm Washer S. S. 304 / 316 01
13 Adjusting Piston Bolt S. S. 304 / 316 01
14 End Cover O – Ring NBR / Viton 01
15 Cover for O – Ring NBR / Viton 01
16 Bonnet Fitting Bolt Bonnet Fitting Washer S. S. 304 / 316 06
17 Adjusting Bolt S. S. 304 / 316 01
18 Adjusting Nut S. S. 304 / 316 01