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Japan, Ross Asia
Ross Asia MD4 series Port size is 3/8″ to 3/4″. Flow rates up to 220 scfm (6230 l/min)MD4 series
Made in Japan
 Manufacturer : Ross Asia
 Model :MD4 series
PRESSURE REGULATORS – KEY FEATURES
- Two design options available: Piston design for highest air flow,Diaphragm design for high sensitivity and quick response
 - Modular or In-line Mounting options
 - Pressure Gauge included
 - Removable Adjusting Knob for tamper resistance
 - Self-relieving or non-relieving options
 - Reverse Flow option available on some regulator models
 - T-Handle option available on some regulator models
 
Modular Regulators – MD4TM Series
Port Sizes: 3/8, 1/2, 3/4 – Flow to 220 scfm

Choose your options (in red) to configure your model number.
 
 
FLOW CHARTS
 
 
Specifications
Construction Design  | Piston or Diaphragm | Self-relieving | 
Temperature  | Ambient | 40° to 175°F (4° to 79°C) | 
| Media | ||
Fluid Media  | Compressed air | |
Operating Pressure  | Inlet | Maximum 300 psig (21 bar) | 
| Outlet | Adjustable up to 175 psig (12 bar); optional adjusting springs. | |
Optional Pressure Adjustment  | Locking Key | Removable | 
Pressure Gauge  | 0-200 psig (0-14 bar) or 0-60 psig (0-4 bar) 1/4-NPT gauge ports front and rear  | |
Panel Mounting  | 2-1/16 inch (52 mm) hole required | |
Construction Material  | Body | Zinc | 
| Dome | Nylon; aluminum with optional 0 to 175 psig (0 to 12 bar) spring | |
| Knob | Acetal | |
| Seals | Nitrile | |
| Valve | Brass | |
| Valve Cap | Nylon | |











