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ControlAir Type 6500 Series High Flow Capacity Volume Booster, 429-841-311, 6500-FAF, 1" NPT, 1:1 Ratio, Aluminum, Feedback Port
Custom quote, volume pricing, or Net 30 terms available.
Request a Formal Quote or call 888-825-8800Technical Specifications
General
| Exhaust Capacity | 150 scfm (4, 252 Nl/min) |
|---|---|
| Signal/Output Ratio | 1:1 |
| Deadband | Less than 0.2 psig (0.01 bar) |
| Mounting Options | In line, mounting bracket |
| Part Number | 429-841-311 |
| Options | Feedback Port: Yes |
| Brand | ControlAir |
| Manufacturer Part # | 429-841-311 |
| Size | 1" |
| Country of Origin | Made in the United States |
Materials & Construction
| Body Materials | Aluminium |
|---|---|
| Other Materials | Zing plated steel, nitrile or silicone |
Performance
| Flow Capacity | 400 scfm (11,320 Nl/min) |
|---|---|
| Supply Pressure Sensitivity | 0.3 psig (0.02 bar) for a 100 psi (6.8 bar) change in supply pressure |
| Max. Supply Pressure | 250 psig (17 bar) |
| Max. Signal Pressure | 150 psig (10 bar) |
| Ambient Temperature Limits (low temp option) | -62° to 194°F (-52° to 90°C) |
Connections
| Port Size | 1" NPT, 3/4" NPT |
|---|---|
| Signal Port Size | 1/4" NPT |
| Exhaust Port Size | 3/4" NPT |
| Gauge Port Size | 1/4" NPT |
| Maximum Flow/Exhaust Coefficient 3/4" Port (Cv) | 8.0 / 8.0 |
| Maximum Flow/Exhaust Coefficient 1" Port (Cv) | 9.0 / 8.0 |
Dimensions & Weight
| Weight | 6.5 lbs (2.95 kg) |
|---|
Standards & Certifications
Overview
ControlAir Type 6500 Series, 6500-FAF High Flow Capacity Volume Booster
Features:
- Construction: 316 Stainless Steel
- Porting: 3/4" or 1" NPT
- Integral Adjustable Bypass Valve: Allows small incremental signal changes without opening the primary valve.
- High Flow Capacity: For rapid actuator stroking.
- Soft Valve Seat Design: Provides tight shutoff and eliminates leakage in steady state operation.
- High Temperature Operation: Up to 200°F (93°C)
- Tapped High Output Exhaust Port: 3/4" NPT exhaust port relieves 100 scfm (2,830 NL/min)
- Ports: (2) 1/4" Gauge
- Optional: Feedback Port
- Low Temperature Option: Silicone elastomers allow use to -62°F (-52°C)
- Certified: IEC 61508 SIL 3
Options & Features (See Specification Sheet For Full List):
Rapid Stroke Capability In A Rugged Aluminum Casing
The Type 6500 aluminum volume booster is a high-flow 1:1 signal-to-output pneumatic relay designed to improve the response speed and throttling performance of large pneumatic valve actuators. By significantly increasing air flow capacity, the Type 6500 helps achieve faster stroke times and more precise control in demanding valve automation applications.
Suitable for use with both diaphragm and piston actuators, this aluminum volume booster delivers stable, repeatable performance across a wide range of actuator sizes. A fixed deadband combined with an adjustable bypass valve allows fine downstream pressure adjustments without opening the main booster valve. The bypass adjustment enables precise tuning of the dynamic response, ensuring smooth and stable operation under varying process conditions.

