Ralston Instruments February 2010
Email Newsletter
What's the difference between NPT, BSPP and BSPT?
NPT, BSPP and BSPT seals
NPT, BSPP and BSPT Compared

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.

See how they differ and where they are used …

Ralston Takes to the Road
Trade Show
Check us out at one of these upcoming tradeshows:

2010 Corpus Christi Area Measurement Society Seminar | February 23-24
Omni Marina Hotel | Corpus Christi, TX

Edmonton ISA Show
April 14-15 | New Edmonton Expo Centre | Edmonton AB, Canada

New Products
QTHA-CCBU Female Quick-test x Female Quick-test union
QTHA-CCBU Female Quick-test x Female Quick-test union

Use this to connect two male Quick-test adapters together

QTHA-MFB0-1620 Male Quick-test x Minimess 1620 Adapter
QTHA-MFB0-1620 Male Quick-test x Minimess 1620 Adapter

Use this to connect a Hydrotechnik Minimess 1620 Adapter to a Ralston Instruments Quick-test hose

Tech Tip
Did you know that Ralston hand pumps, manifolds, nitrogen sources and volume controllers all have 2 outlet ports?
This feature allows you to connect both the pressure reference and the device being calibrated without an extra tee and hoses.

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