Japan, Ross Asia
Ross Asia MD3 series Port size is 1/4″ to 1/2″. Flow rates up to 100 scfm (2832 l/min)

Made in Japan
Manufacturer : Ross Asia
Model : MD3 series
Modular Integrated Filter/Regulator plus Lubricator Combinations
Port Sizes: 1/4, 3/8 & 1/2 – Flow to 110 scfm
Choose your options (in red) to configure your model number.
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 Filter | Float Drain Models Polycarbonate Bowl: 30 to 150 psig (2 to 10 bar) Metal Bowl: 30-200 psig (2 to 14 bar) Manual Drain Models Polycarbonate Bowl: 0 to 150 psig (0 to 10 bar) Metal Bowl: 0-250 psig (0 to 17 bar) |
Operating Pressure Lubricator | Polycarbonate Bowl: Maximum 150 psig (10 bar) Metal Bowl: Maximum 200 psig (17 bar) |
Outlet Pressure | Adjustable up to 200 psig (14 bar); optional adjusting springs |
Optional Pressure | 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 |
Panel Mounting | 2-1/16 inch (52 mm) hole required |
Construction Material | Filter Element: 5-micron rated polyethylene; 5-, 20- or 40-micron rated sintered bronze Filter/Regulator & Lubricator Bodies:Zinc Bowls: Polycarbonate bowl with nylon shatterguard, or aluminum bowl with clear nylon sight glass. Lubricator bowl only: Extended aluminum bowl with clear nylon sight glass Dome: Nylon Sight-Feed Dome: Nylon Seals: Nitrile Valve: Brass |