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Nolek automatic connectors

                 SA-SI-SAG-SIG

There are four basic versions of the Nolek connector: SA for external sealing, SI for internal sealing, SAG and SIG for aixially sealling threads.

Functional Description

Nolek connectors SA (external) and SI (internal)

	The Nolek Connector is positioned, manually  automatically.
	Compressed air is supplied to port 1 from a manually or automatically controlled 3-way valve.
	The rubber sleeve 2 is then axially compressed by the piston 3, whereupon the rubber expands radically and seals between the connector and the test piece.
	The pressure testing medium, e.g. compressed air or water, is supplied via port 4 from a manually or automatically controlled 3-way valve.
	The pressure testing medium fills the test piece to the pre-set pressure.
	Pressure testing, tightness testing and leak detection may now proceed.
	When testing is complete, the pressure testing medium is evacuated.
	The compressed air is then evacuated via port 1, whereupon the rubber sleeve repels the piston and resumes its original shape. The connector is then removed.

Safety Warning

Apply clamping pressure to port (1) before connecting test pressure to port (4). Test pressures must not exceed the recommendations tabulated further down the page.

Never shut off clamping pressure before first shutting off and exhausting test pressure.

Functional Description

Nolek connectors SAG and SIG

	Position the Nolek connector manually and turn knob 5 a couple of times to engage the thread.
	Compressed air is supplied to port 1 from a manually or automatically controlled 3-way valve to face of piston 3. (Thus securing test piece).
	Test piece is secured against seal 2.
	The pressure testing medium is supplied via port 4 from the manually or automatically controlled 3-way valve.
	The pressure testing medium fills the test piece to the pressure required.
	Pressure testing / tightness testing / leak detection may now proceed.
	When testing is complete, the test medium is evacuated.
	The compressed air is then evacuated via port 1.
	Knob 5 is then turned back so that the connector can be disengaged.

Specimen order: SA 09 -11. If anti-slip device is required, please specify as SAL 09 - 11 when ordering.

All specimens etc. are subject to change without prior notice.

Specimen order: SI 20-22

All specimens etc. are subject to change without prior notice.

Special anti-slip device prevents connector from slipping off sealing surface.

Specimen order: SAG 1/2"

All specimens etc. are subject to change without prior notice

Specimens order: SIG 3/4".

All specimens etc. are subject to change without prior notice.

Nolek Plugs:  For blocking surplus ports in test piece

                                                  Max Pressure 20 bar

                                                 Max Pressure 20 bar

...fast and labour saving

The Nolek connector is a fast and leak proof way of connecting up test pieces. It makes work easier because it is pneumatically controlled. One or more connectors can be opened and closed automatically from a pneumatic valve.

...for a better seal

The Nolek connector fits closely onto the test piece, even if it has rough tolerances, has a scratched surface, is oval in shape or is mounted crookedly. A seal can even be obtained against an unmatched cast surface, so that                                                    tightness can be carried out before embarking on an                                                    expensive machining operation.

Standard Version

  Anodised aluminium and stainless steel.

  High elasticity rubber gasket

  Service temperature range +10 to 60⁰.

                                                     For no-aggressive gases and liquids and vacuum

Special Versions

Special versions of the Nolek connector have been delivered to customers' specifications for particularly demading applications, such as sterile surroundings in the food manufacturing and pharmaceutical industries. The following are some of the special requirements which have been met in this way:

	Temperatures up to 1500
	High pressures up to 400 bar
	Diameters up to 250mm
	Materials to withstand aggresive surroundings

A pneumatically controlled, tough and economical aid used for connecting up test pieces for tightness testing and leak detection. Used for example, in the automotive, refridgeration, heating, electrical,packaging, fittings and munitions industries.

*Important Notice

DISCLAIMER

The company will accept no responsibilty for injuries or damage arising from careless or negligent use of the Nolek System Components and accessories. FOR FULL DETAILS CONSULT FACTORY.

For a printer friendly sheet on automatic connectors please visit our datasheets area