Japan, Ross Asia
Ross Asia MD4 series Port size is 3/8″ to 3/4″. Flow rates up to 205 scfm (5806 l/min)



Made in Japan
Manufacturer : Ross Asia
Model : MD4 series
Modular Integrated Filter/Regulator plus Lubricator Combinations
Port Sizes: 3/8, 1/2 & 3/4 – Flow to 205 scfm
Choose your options (in red) to configure your model number.
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AIR FLOW and CONSTRUCTION DATA
Filter/Regulator FLOW CHARTS
Lubricator FLOW CHARTS
Specifications
Construction Design | Filter – Fiber, or Sintered Bronze Regulator – Diaphragm Lubricator – Sight-Feed |
Temperature | Ambient/Media: Polycarbonate Bowl: 40° to 125°F (4° to 52°C) Metal Bowl: 40° to 175°F (4° to 80°C) |
Fluid Media | Compressed air |
Operating Pressure | Automatic Drain Models Polycarbonate Bowl: Up to 150 psig (up to 10 bar) Metal Bowl: Up to 200 psig (up to 14 bar) Manual Drain Models Polycarbonate Bowl: 0 to 150 psig (0 to 10 bar) Metal Bowl: 0 to 200 psig (0 to 14 bar) |
Outlet Pressure | Adjustable up to 125 psig (9 bar). |
Pressure Adjustment | Locking Key: Removable |
Filter Drain | Internal Automatic or Manual |
Pressure Gauge | 0 to 200 psig (0 to 14 bar); 1/4 NPT gauge ports front and rear |
Oil Adjustment | External; tamper-resistant |
Construction Material | Filter Element: 5-micron rated polyethylene; optional 40-micron element Filter/Regulator & Lubricator Bodies: Zinc Bowls: Aluminum bowl with clear nylon sight glass, polycarbonate bowl with steel shatterguard, or extended aluminum lubricator bowl with clear nylon sight glass Regulator Valve: Brass Sight Dome: Clear Nylon Seals: Nitrile |