The Higher the Pressure the Tighter the Seal Ralston NPT Male Quick-connect Adapters make calibrating pressure transmitters much easier. Using a unique pressure-assisted seal the Ralston Quick-test male NPT QD adapter saves time and prevents leaks. Connect to any female NPT process connection without using thread tape or a wrench. This has saved technicians countless hours…
Quickly Create a High Pressure Connection for Calibration, Hydrostatic Testing & Safety Valves
Ralston Tube Fitting Quick-test Adapters Ralston Tube Adapters can make connecting to tube fittings much easier. You can use Ralston Tube Adapters to connect to any brand of tube fitting without a wrench. Simply remove the tube nut and ferrules and then thread on the Ralston Tube Adapter. They seal using an integral o-ring so there are no worries…
BSPT vs NPT vs BSPP: Which Thread Standard Should You Use?
Pipe fitting selection for pressure systems requires a solid understanding of BSPT, NPT, and BSPP thread standards to create leak-free connections and maintain system integrity. NPT (National Pipe Thread) seals remain the most popular choice in pressure calibration systems across the U.S. and Canada. BSPP (British Standard Parallel Pipe) leads the market in the UK, Europe, Asia, Australia, New Zealand, and South Africa. Chinese and Japanese systems commonly use BSPT (British Standard Pipe Taper), though it’s rare…
