Ralston Instruments QTVC-4FBA-RG-2M-1M Volume Controller
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Ralston QTVC volume controller with precision pressure-balanced piston for finger-tip control from 0.03 to 3000 PSI. Includes Quick-test hoses and adapters.
Product details
| Model | QTVC-4FBA-RG-2M-1M |
| Manufacturer | Ralston Instruments |
| Category | Process Controllers |
| Availability | Made to order |
Description
Overview
The Ralston QTVC is a precision volume controller designed for laboratory and field pressure calibration work. It features a proprietary pressure-balanced fine adjustment piston that enables extremely precise finger-tip control of pressure, from ultra-low pressures of 0.03 PSI (2 mbar) to 3000 PSI (210 bar). The compact unit integrates fill, balance, and vent valves in a single lightweight assembly.
Key Features
- Pressure-balanced fine adjustment piston with 0.03 PSI (2 mbar) resolution
- Compact lightweight design with integrated fill, balance, and vent valves
- Soft-seated valves for precise filling and venting operations
- Quick-test System outlet connections for universal hose compatibility
- Includes carrying handle and field-ready accessories
- Made in USA
Applications
- Pressure calibration of gauges and instruments
- Field pressure testing and verification
- Laboratory pressure control demonstrations
- Low-pressure differential and high-pressure static calibration
Included Accessories
- 2-meter and 1-meter Quick-test hoses with brass fittings
- 1/2" female BSPP gauge adapter
- 1/4" female BSPP hose adapter
- Carrying handle
Specifications
| Pressure Range | 0.03 to 3000 PSI (2 mbar to 210 bar) |
| Fine Adjustment Resolution | 0.03 PSI (2 mbar) |
| Fill Connection | Quick-test System |
| Gauge Adapter | 1/2" female BSPP (ISO 228/1) |
| Hose Adapter | 1/4" female BSPP (ISO 228/1) |
| Compatible Media | Air, nitrogen, inert gas |
| Valve Type | Soft-seated |
| Primary Materials | Brass, aluminum |
| Country of Origin | United States |
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Ralston Instruments QTVC-4FBA-RG-2M-1M Volume Controller
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