Hydraulic Connectors - Revision history

Jason at 08:12, 20 May 2012

2012-05-20T08:12:48Z

← Older revision		Revision as of 08:12, 20 May 2012
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	*Here is a document from Parker Hannifin explaining the details:		*Here is a document from Parker Hannifin explaining the details:

	::[http://mdmetric.com/4300/Pipe%20Fittings%20and%20Port%20Adapters.pdf\| Pipes Fittings]		::[http://mdmetric.com/4300/Pipe%20Fittings%20and%20Port%20Adapters.pdf Pipes Fittings]

			== Identifying unknown connectors ==
			If interfacing to a piece of equipment with unknown connectors, the following resources can be helpful in identification.

			::[http://www.tuboquip.com/pdf/identify-ports.pdf How to Identify Fluid Ports and Connectors]
			::[http://www.hfifluidpowerproducts.com/Pages/fitting-identification-guide.html Fitting Identification Guide]
			::[http://www.surpluscenter.com/techhelp/SAE.pdf Surplus Center port identification flyer]
			::[http://machinedesign.com/article/name-that-thread-1021 Name that thread]

Tom Griffing: /* Tapered vs Parallel Threading */

2011-11-27T16:00:55Z

Tapered vs Parallel Threading

← Older revision		Revision as of 16:00, 27 November 2011
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	*Designations for tapered pipe threads are:		*Designations for tapered pipe threads are:
	** '''NPT''' (National Pipe Taper)		** '''NPT''' (National Pipe Taper)
	** '''BSPT''' (British Standard Pipe ~~Thread~~)		** '''BSPT''' (British Standard Pipe Tapered)

	*Designations for connections with parallel threads:		*Designations for connections with parallel threads:

Tom Griffing: /* Summary */

2011-11-27T16:00:14Z

Summary

← Older revision		Revision as of 16:00, 27 November 2011
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	==== Summary ====		==== Summary ====

	In summary, parallel threads are preferred for OSE hydraulic applications, since they reduce the potential of leaking.		* In summary, parallel threads are preferred for OSE hydraulic applications, since they reduce the potential of leaking.
			* The most common straight threads available are "SAE" threads.

	==== Reference ====		==== Reference ====

Tom Griffing: /* Reference */

2011-11-27T15:56:13Z

Reference

← Older revision		Revision as of 15:56, 27 November 2011
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	==== Reference ====		==== Reference ====

	*Here is a document from Parker ~~Hydraulics~~ explaining the details:		*Here is a document from Parker Hannifin explaining the details:

	::[http://mdmetric.com/4300/Pipe%20Fittings%20and%20Port%20Adapters.pdf\| Pipes Fittings]		::[http://mdmetric.com/4300/Pipe%20Fittings%20and%20Port%20Adapters.pdf\| Pipes Fittings]

Tom Griffing at 15:53, 27 November 2011

2011-11-27T15:53:52Z

@@ Line 1: / Line 1: @@
-Choosing connectors in high pressure hydraulic circuits is important for preventing leaks.
+== Choosing Threaded Connectors ==
 *This was made clear in a recent in-person interview with a professional in the hydraulics industry.  The claim was that in circuits with more than 200 PSI, connectors with "Parallel Threads" should be used instead of those with "Tapered" or "Pipe" threads.
@@ Line 5: / Line 7: @@
 *The key issue is that tapered threads do not seal completely and must employ a "sealant" to seal the threads completely.  When fluid pressure is applied, the metal threads remain in place, but the sealant can give way and allow leaks to form.  Leaks may not occur at first, but they will develop over time as the sealant weakens and as the connections experience movement and vibration.
-*The designation for tapered pipe threads is "NPT", or "National Pipe Taper".
+==== Tapered vs Parallel Threading ====
-*Several types of
 ::[http://mdmetric.com/4300/Pipe%20Fittings%20and%20Port%20Adapters.pdf| Pipes Fittings]

Tom Griffing: Created page with "Choosing connectors in high pressure hydraulic circuits is important for preventing leaks. *This was made clear in a recent in-person interview with a professional in the hydrau..."

2011-11-27T15:38:34Z

Created page with "Choosing connectors in high pressure hydraulic circuits is important for preventing leaks. *This was made clear in a recent in-person interview with a professional in the hydrau..."

New page

Choosing connectors in high pressure hydraulic circuits is important for preventing leaks.

*This was made clear in a recent in-person interview with a professional in the hydraulics industry. The claim was that in circuits with more than 200 PSI, connectors with "Parallel Threads" should be used instead of those with "Tapered" or "Pipe" threads.

*The key issue is that tapered threads do not seal completely and must employ a "sealant" to seal the threads completely. When fluid pressure is applied, the metal threads remain in place, but the sealant can give way and allow leaks to form. Leaks may not occur at first, but they will develop over time as the sealant weakens and as the connections experience movement and vibration.

*The designation for tapered pipe threads is "NPT", or "National Pipe Taper".
*Several types of

::[http://mdmetric.com/4300/Pipe%20Fittings%20and%20Port%20Adapters.pdf| Pipes Fittings]