oil accessories
Oil-Air Ratio Regulators MRO
Hauck MRO oil-air ratio regulators are designed to serve as the essential control device in a cross connected oil-air delivery system.
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Overview
The MRO regulators support applications requiringm wide turndown and/or low flow rates and repeatability. The MRO is engineered to function properly over a wide range of air pressures and may be used on either single or multiple burner applications. A constant oil pressure is required at the inlet of the regulator. The MRO provides an automatic and simple means of maintaining this ratio even at extremely low flow rates.
Features & Benefits:
Features & Benefits:
- Accurate and repeatable low flow rate sensitivity
- Wide turndown capability
- Easy to maintain
- Wide capacity range
- Provides automatic and simple method of maintaining air/oil ratio
- Requires constant oil supply at 45 - 65 psig (310 - 450 kPa)
- Rugged modular construction
- Overpressure safety relief valve
- Handles No. 1 through No. 6 fuel oil
Specifications
Air & Combustion Air Specifications
- Air Impulse Filter Requirement
- Required if secondary air pressure > 16 osig (6.9 kPa)
Fluid/Media/Component Temperatures
- Oil Temperature Limit
- Up to 270 deg F (132 deg C)
Actuation, Control & Motion Characteristics
- Regulation Principle
- Oil pressure varies in direct proportion to air pressure
Pressure Specifications
- Oil Supply Pressure
- 45 to 65 psig (310 to 450 kPa)
Control, Logic & Functional Behavior
- Control Method
- Cross‑connected air‑pressure‑based regulation
- Control Modes
- Automatic, mechanical
Overview
- Product Type
- Mechanical oil‑air ratio regulator
Applications & Compatibility
- Applications
- Maintains proportional oil‑to‑air ratio
Fuel, Gas & Media Specifications
- Fuel Type
- No. 1 through No. 6 fuel oil
Air & Combustion Air Specifications
- Air Impulse Filter Requirement
- Required if secondary air pressure > 16 osig (6.9 kPa)
Fluid/Media/Component Temperatures
- Oil Temperature Limit
- Up to 270 deg F (132 deg C)
Actuation, Control & Motion Characteristics
- Regulation Principle
- Oil pressure varies in direct proportion to air pressure
Pressure Specifications
- Oil Supply Pressure
- 45 to 65 psig (310 to 450 kPa)
Control, Logic & Functional Behavior
- Control Method
- Cross‑connected air‑pressure‑based regulation
- Control Modes
- Automatic, mechanical
Overview
- Product Type
- Mechanical oil‑air ratio regulator
Applications & Compatibility
- Applications
- Maintains proportional oil‑to‑air ratio
Fuel, Gas & Media Specifications
- Fuel Type
- No. 1 through No. 6 fuel oil
- Air Impulse Filter Requirement : Required if secondary air pressure > 16 osig (6.9 kPa)
- Oil Temperature Limit : Up to 270 deg F (132 deg C)
- Regulation Principle : Oil pressure varies in direct proportion to air pressure
- Oil Supply Pressure : 45 to 65 psig (310 to 450 kPa)
- Control Method : Cross‑connected air‑pressure‑based regulation
- Control Modes : Automatic, mechanical
- Product Type : Mechanical oil‑air ratio regulator
- Applications : Maintains proportional oil‑to‑air ratio
- Fuel Type : No. 1 through No. 6 fuel oil
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