NPT Male Quick-test Fittings

Ralston Quick-test Hoses

Ralston Instruments Quick-test™ hose is unique because it can be attached and detached without a wrench or thread sealant while maintaining a working pressure of 6900 psi (475 bar). Quick-test™ hoses are small in diameter, flexible and low in volume. These hoses provide an ideal way of transmitting pressure during a vacuum or pressure calibration. A wide variety of adaptors provide a connection for most calibration applications.

Ralston Quick-test Hoses Microbore Hoses

Part of the Ralston Quick-test™ System of safe, stable, leak-free connections without a wrench.

Configure a Ralston Quick-test™ Hose

Ralston Quick-test hoses are available in a variety of configurations, choose which is right for your application.

Ralston Quick-test Hose models

ModelHose End 1Hose End 2Outer DiameterInner DiameterLengthMaximum Working Pressure
QTQT-HOS-2ftFemale Quick-test, brassFemale Quick-test, brass0.2 In / 6.00 mm0.08 In / 3.00 mm2 ft / 61 cm6900 PSI / 475 bar / 48 MPa
QTQT-HOS-3ftFemale Quick-test, brassFemale Quick-test, brass0.2 In / 6.00 mm0.08 In / 3.00 mm3 ft / 92 cm6900 PSI / 475 bar / 48 MPa
QTQT-HOS-5ftFemale Quick-test, brassFemale Quick-test, brass0.2 In / 6.00 mm0.08 In / 3.00 mm5 ft / 2.00 m6900 PSI / 475 bar / 48 MPa
QTQT-HOS-6ftFemale Quick-test, brassFemale Quick-test, brass0.2 In / 6.00 mm0.08 In / 3.00 mm6 ft / 2.00 m6900 PSI / 475 bar / 48 MPa
QTQT-HOS-8ftFemale Quick-test, brassFemale Quick-test, brass0.2 In / 6.00 mm0.08 In / 3.00 mm8 ft / 3.00 m6900 PSI / 475 bar / 48 MPa
QTQT-HOS-10ftFemale Quick-test, brassFemale Quick-test, brass0.2 In / 6.00 mm0.08 In / 3.00 mm10 ft / 4.00 m6900 PSI / 475 bar / 48 MPa
QTQT-HOS-20ftFemale Quick-test, brassFemale Quick-test, brass0.2 In / 6.00 mm0.08 In / 3.00 mm20 ft / 7.00 m6900 PSI / 475 bar / 48 MPa
QTQT-HOS-50ftFemale Quick-test, brassFemale Quick-test, brass0.2 In / 6.00 mm0.08 In / 3.00 mm50 ft / 16 m6900 PSI / 475 bar / 48 MPa
QTQT-HOS-100ftFemale Quick-test, brassFemale Quick-test, brass0.2 In / 6.00 mm0.08 In / 3.00 mm100 ft / 31 m6900 PSI / 475 bar / 48 MPa
QSQS-HOS-2ftFemale Quick-test, stainless steelFemale Quick-test, stainless steel0.2 In / 6.00 mm0.08 In / 3.00 mm2 ft / 61 cm6900 PSI / 475 bar / 48 MPa
QSQS-HOS-3ftFemale Quick-test, stainless steelFemale Quick-test, stainless steel0.2 In / 6.00 mm0.08 In / 3.00 mm3 ft / 92 cm6900 PSI / 475 bar / 48 MPa
QSQS-HOS-5ftFemale Quick-test, stainless steelFemale Quick-test, stainless steel0.2 In / 6.00 mm0.08 In / 3.00 mm5 ft / 2.00 m6900 PSI / 475 bar / 48 MPa
QSQS-HOS-6ftFemale Quick-test, stainless steelFemale Quick-test, stainless steel0.2 In / 6.00 mm0.08 In / 3.00 mm6 ft / 2.00 m6900 PSI / 475 bar / 48 MPa
QSQS-HOS-8ftFemale Quick-test, stainless steelFemale Quick-test, stainless steel0.2 In / 6.00 mm0.08 In / 3.00 mm8 ft / 3.00 m6900 PSI / 475 bar / 48 MPa
QSQS-HOS-10ftFemale Quick-test, stainless steelFemale Quick-test, stainless steel0.2 In / 6.00 mm0.08 In / 3.00 mm10 ft / 4.00 m6900 PSI / 475 bar / 48 MPa
QSQS-HOS-20ftFemale Quick-test, stainless steelFemale Quick-test, stainless steel0.2 In / 6.00 mm0.08 In / 3.00 mm20 ft / 7.00 m6900 PSI / 475 bar / 48 MPa
QSQS-HOS-50ftFemale Quick-test, stainless steelFemale Quick-test, stainless steel0.2 In / 6.00 mm0.08 In / 3.00 mm50 ft / 16 m6900 PSI / 475 bar / 48 MPa
QSQS-HOS-100ftFemale Quick-test, stainless steelFemale Quick-test, stainless steel0.2 In / 6.00 mm0.08 In / 3.00 mm100 ft / 31 m6900 PSI / 475 bar / 48 MPa