Ralston Block and Bleed Valves Make Your Gas Last Longer

Keep Gas in the Tank Conserve compressed gas by venting only the gas that needs to be vented in a device under test and nothing more……. Brass and Stainless Steel, 3000 psi & 5000 psi working pressure NPT, male & female quick-test fittings Ralston Block and Bleed Valves are an excellent accessory for doing pressure calibration with a Ralston Volume Controller, Nitropak, Calibration Manifold or other calibration device. This unique valve helps conserve compressed gas by venting only…

Quickly Switch Between Many Devices Under Test with Female NPT Quick-connect

Female NPT Quick connect adapters convert any NPT to Quick-test Working through a slate of tests on NPT connections usually involves lots of taping and wrenching. Spend more of your time testing instead of taping by adding a Female NPT Quick connect to your workflow. Our unique design seals on the bottom of the NPT connection without thread…

Calibrate Pressure Transmitters Much Easier Now

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…

The Difference Between NPT, BSPP and BSPT Seals

Pressure systems in the process industry use different ways of sealing depending on the geographical region, size of the pressure system and the environment. There are regional differences in sealing types as well as industry preferences. For example, many pressure systems onboard ships use BSPP adapters while many applications in the oil and gas industry use NPT fittings. While one sealing style is not inherently better than another each style has its application.