The Ralston Instruments QTFT-CAPS female cap and chain fitting provides a finger-tight seal to 345 bar / 5,000psi for any Ralston male Quick-Test adapter.
The QTFT-CAPS is designed for permanent installation, keeping the Quick-Test connection leak-free, and the thread clean and protected.
A chain ring attaches around the base of the Quick-Test adapter to ensure the cap remains secured when removed.
Soild stainless steel construction resists corrosion, tough conditions and everyday wear and tear.
The QTFT-CAPS is part of Ralston's Quick-Test system of pressure hoses and adapters, which offers a universal range of direct connections to virtually any device.

Alternative Ralston Quick-Test Cap and Chain Fittings
QTFT-CAPB brass fitting suits less aggressive media or milder applications.
If you need to connect to a diverse range of fittings, Transtek's pressure calibration hose and adapter kits cover most options and help simplify your work.

Suitable Applications for Ralston Quick-Test Adapters
Ralston adapters can be used across a wide variety of industrial or laboratory applications including gas sampling, pressure calibration, pressure reading and testing.
Ralston's high quality products strive to address critical issues such as vibration, air-tight sealing, corrosion, thermal shock, installation and compliance with industry standards.

Advantages of the Ralston Quick-Test System
Ralston's comprehensive range of interchangeable Quick-Test adapters and Quick-Test hoses provide connections for almost any pressure testing application.

• Quick-Test adapters and hoses connect, tighten and disconnect without a wrench
• Pressure-tight, leak-free, O-ring seals require only hand tightening
• Self-venting mechanisms allow safe disconnection under pressure
• The widest range of connections and size options
  
• Available with or without integrated check-valves
• 100% brass or stainless steel test construction resists corrosion and heavy-duty use
• Compatible with all major pressure media, applications and connection standards