Used to adapt one or both
ends of the hose to the commonly used ports. Ralston Instruments
adaptors are made of brass and will not rust.
The MB and FB adaptors have an optional internal check valve which opens
when the hose is attached.
Quick Test Hose Assembly
Quick Test Hose assemblies can be furnished in
any length with either a knurled brass nut and probe end or a stainless
steel 1/4" stub end. The hose has an extremely small diameter
(.070"), is very flexible and has a very high pressure rating (6900
psi). This flexibilty, light weight and high rating make it ideal when
high pressure must be transmitted for calibration.
The knurled brass ends utilize a unique 'O' ring seal to make a
fingertight-pressuretight connection to our series of hose adaptors.
The stainless steel tube stub allows you to swage on your own
ferrules and nut for wrench-tight connection to tube fittings. Both
types of hose end are reinfored with a tension relief spring.
Quick Test Fittings
For permanent installation in a 1/4' NPT port between instrument and
Utilizes the unique Quick Test finger-tight, pressure-tight seal
Complete with plug and cap, Brass or Stainless Steel Optional built-in
check valve, opens when hose is attached Contains Buna N 'O' ring and
not for use above 200 degrees F. Specify: QTFT 000B (Brass) QTFT 000S
1/8" Male NPT
1/8" Male NPT internal check valve
QTHA 1 MB1
1/4" Maie NPT
1/4" Male NFT stainless steel
1/4" Male NPT internal check valve
1/ 8" Female NPT
QTHA 1 FBO
1/8" Female NPT internal check valve
1/4" Female NPT
l /4" Female NPT internal check valve
*AII QTHA TBO adaptors fit Swagelok, Tylok,
Parker and Hoke fittings.
1/4" Female Flare
Probe - Nut by I /4" Female NPT
QTHA 2 FBA
This is a Quick Test fitting installed in a
quality shut-off valve.Valve has a 1/4" Male NPT inlet x 1/4"
Female NPT instrument port.
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