Fair Child India Private Limited

The Model 2000 Pneumatic Volume Booster converts a low flow signal to a high flow output. It is ideally suited for a variety of applications including the operation of air systems that require rapid valve or cylinder action. With its balanced supply valve and aspirator tube, the M2000 booster will maintain setpoint while delivering a strong boost of volume. In addition, its no bleed soft seat design minimizes air consumption of the system. As a pilot operated regulator design, the M2000 handles up to 250 psig, [17.0 BAR], (1700 kPa) supply pressure. The M2000 provides a flow capacity of 40 SCFM (68 m3/HR), which results in a Cv factor of just less than 1.0 in forward flow mode.

Specifications:

• Max Supply Pressure: 250 psig [17 BAR]
• Max Output Pressure: 150 psig [10 BAR]
• Flow Capacity: 40 SCFM (68 m3/HR)
• Accuracy: 0.5 psi (typ)

Features:

• Flow capacity of 40 SCFM (68 m3/HR)
• Balanced Supply Valve
• Aspirator Tube design
• Soft Supply and Exhaust Valve Seats
• Small signal volume
• A separate Control Chamber isolates the Diaphragm from the main flow
• Unit construction

Benefits:

• Provides fast responsive operation
• Minimizes the effect of supply pressure variation
• Minimizes downstream pressure droop under flow conditions
• Provides high forward and exhaust flows
• Minimizes air consumption
• Assures rapid response to pressure variation
• Eliminates any hunting and buzzing
• Allows you service the unit without removing it from the line

Based on the Model 200 valve body, the Model 200XLR Volume Booster couples two identical units to obtain ultra high flow capacity in both forward and exhaust modes. As a pilot operated regulator design, the M200 handles up to 250 psig, [17.0 BAR], (1700 kPa) supply pressure and provides a flow Ultra high capacity of 1800 SCFM (3058 m3/HR), which equates to a Cv factor of approximately 18 in both forward and exhaust flow modes.

Specifications

• Max Supply Pressure: 250 psig [17 BAR]
• Max Output Pressure: 250 psig
• Flow Capacity: [17 BAR] (Special)
• Accuracy: 1800 SCFM (3058 m3/HR)

Features:

• Forward and exhaust flow capacity of 1800 SCFM (3058 m3/HR)
• Control sensitivity to 1" water column
• Increased Sensitivity ("L") option
• Separate Control Chamber
• Optional Adjustable By-Pass Needle Valve (includes bubble tight exhaust valve)

Benefits:

• Ultra fast responsive operation
• Allows use in precision applications
• Permits more precision control at low setpoints
• Isolates the diaphragm from the main flow to eliminate hunting and buzzing
• Allows tuning for optimum dynamic response and cycle free operation with valve positioners

Fairchild’s M4900A is a High Flow Pneumatic Volume Booster designed for high precision applications. With its Cv of 9 in both forward and exhaust modes, this pilot operated booster provides fast response, very low deadband and high precision control. In its pilot operated regulator design, the M4900A handles up 250 psig, [17.0 BAR], (1700 kPa) supply pressure and delivers an output pressure up to 150 psig [10.0 BAR] (1000kPa). The Fairchild Model 4900A Booster provides a flow capacity of 500 SCFM (850 m3/HR), which equates to a Cv factor of approximately 9 in both forward and exhaust modes.

Features:

• Cv = 9; Flow capacity of 500 SCFM (850 m3/HR)
• Ratio Accuracy of 0.5%
• Very low deadband between the operation of the supply valve and exhaust valve
• High capacity exhaust valve
• Large area diaphragms
• Soft seat supply and exhaust valves
• Pressure balanced supply valve
• Damped diaphragm control chamber
• Two accessory ports connected to the outlet chamber
• Tapped exhaust port

Benefits:

• Fast response for quick valve opening and closing times
• Highly Accurate valve control for your system
• Provides excellent pressure control
• Provides efficient dynamic reverse flow characteristics
• Provides high accuracy, sensitivity and excellent low pressure performance
• Provide efficient leak free operation
• Prevents changes in control characteristics when supply pressure changes
• Provides very stable operation
• Provide convenient access to the outlet for additional control accessories and pressure monitoring
• Allows for easy collection of exhaust air or use of a silencer

Fairchild's M20BP is a smaller Back Pressure Pneumatic Booster designed for automation or remote controlling of the back pressure or relief operation typically found in tank systems and other pressurized systems. In its pilot operated design, the M20BP will operate from a signal pressure of up to 150 psig [10.0 BAR] (1000kPa) and handles up 250 psig, [17.0 BAR], (1700 kPa) system pressure. The Fairchild Model 20BP Back Pressure Booster provides a flow capacity of 45 SCFM (76.5 m3/HR), which equates to a Cv factor of approximately 1.0.

Features:

• Flow capacity of 45 SCFM (76.5 m3/HR
• Aspirator tube design
• A separate Control Chamber isolates the diaphragm from the main flow
• Unit construction
• Mounting Bracket available

Benefits

• Fast responsive operation
• Compensates downstream pressure droop under flow conditions
• Eliminates hunting and buzzing
• Allows servicing without removal
• Easy installation in the field

Fairchild’s M4500ABP is a High Flow Back Pressure Booster designed for automation or remote controlling of the back pressure or relief operation typically found in tank systems and other pressurized systems. In its pilot operated design, the M4500ABP will operate from a signal pressure of up to 150 psig [10.0 BAR] (1000kPa) and handles up 250 psig, [17.0 BAR], (1700 kPa) system pressure. The Fairchild Model 4500ABP Back Pressure Booster provides a flow capacity of 150 SCFM (255 m3/HR), which equates to a Cv factor of approximately 3.0.

Features:

• Flow capacity of 150 SCFM (255 m3/HR)
• Control sensitivity of 1" water column
• Large Exhaust Valve design
• Separate Control Chamber
• Aspirator Tube design
• Unitized Construction

Benefits:

• Extremely fast and responsive operation
• Allows for use in High precision applications
• Provides High Flow in Back Pressure Applications
• Isolates the diaphragm from the main flow to eliminate hunting and buzzing
• Minimizes pressure drop at final control element under flow conditions
• Allows servicing without removal

The Model 200 Pneumatic Volume Booster reproduces a pneumatic signal in a 1:1 ratio. It is ideally suited for systems that require input isolation or increased forward flow capacity. This device uses a force balance system to control the movement of the supply and exhaust valves. As a pilot operated regulator design, the M200 handles up to 250 psig, [17.0 BAR], (1700 kPa) supply pressure and provides a flow Ultra high Flow capacity of 1800 SCFM (3058 m3/HR), which equates to a Cv factor of approximately 18 in forward flow mode.

Specifications:

• Max Supply Pressure: 250 psig [17 BAR]
• Max Output Pressure: 150 psig [10 BAR]
• Flow Capacity: 1800 SCFM (3058 m3/HR)
• Accuracy: 0.5 psi (typ)

Features:

• Forward flow capacity of 1800 SCFM (3058 m3/HR)
• Control sensitivity to 1" water column
• Separate Control Chamber
• Optional Increased Sensitivity configuration with larger Control Diaphragm
• Unit construction
• Mounting Bracket available

Benefits:

• Ultra fast responsive operation
• Allows use in precision applications
• Isolates the diaphragm from the main flow to eliminate hunting and buzzing
• Provides more precision control at low setpoints
• Allows you to service the Model 200 without removing it from the line
• Easy installation in the field