Ralston QTQT-HOS-6ft Microbore Hose 6900 PSI Calibration Hose
The QTQT-HOS-6ft Quick-test microbore hose from Ralston is designed for fast, safe, and efficient pressure connections in calibration and instrumentation systems. With a working pressure of up to 6900 PSI (475 bar), it provides a reliable solution for high-pressure applications.
Its low internal volume design reduces the amount of fluid or gas required, making calibration processes faster and more efficient. The Quick-test connection system allows tool-free installation, eliminating the need for thread sealant or wrenches.
Key Features
- High-pressure rating up to 6900 PSI (475 bar)
- Low volume design for efficient calibration
- Quick-test connections – no tools or sealant required
- Flexible and compact microbore hose
- Leak-free, bubble-tight performance
- Durable brass Quick-test fittings
Applications
The QTQT-HOS-6ft hose is widely used in:
- Pressure calibration systems
- Hand pumps and calibration sources
- Pressure gauges and transmitters
- Industrial instrumentation testing
- Laboratory and field calibration work
Technical Specifications
- Model: QTQT-HOS-6ft
- Brand: Ralston Instruments
- Hose Type: Microbore calibration hose
- Hose Length: 6 ft (1.83 m)
- Max Working Pressure: 6900 PSI (475 bar)
- Burst Pressure: 27,000 PSI (1860 bar)
- Inner Diameter: 0.08 in (3 mm)
- Outer Diameter: 0.2 in (6 mm)
- Minimum Bend Radius: 1 in (26 mm)
- Temperature Range: -40°C to +60°C
- Material: Brass fittings, flexible hose
- Media Compatibility: Air, gas, oil, water
