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UMETA Hydraulic-Type Grease Nipples according to DIN 71412

APPLICATION AREA

UMETA hydraulic-type nipples are suitable for all standard lubrication points, which have to be frequently lubricated in a reliably way. Due to their multi-purpose field of application, they are the most commonly used types of grease nipples.

 

VERSIONS

In general, our hydraulic-type grease nipples according to DIN are made of steel, case-hardened, zinc-plated and passivated, and they are featured with a tapered thread. The head diameter is 6.5 (-0.2) mm /0.256" - 0.008". For safety reasons and in order to avoid abrasion wear, the standard demands 550 HV as a minimum for a surface hardness. Therefore, we operate this decisive process in our own curing oven. We offer various standard types also in brass or stainless steel V2A/V4A. Of course, our hydraulic-type nipples are also available in different angle versions, with a self-forming thread, or as drive-in type.

 

SPECIAL VERSIONS

Upon request, UMETA manufactures hydraulic-type nipples in other versions, with respect to e. g.

  • dimension
  • material
  • thread size
  • thread form (e. g. with cylindrical thread)
  • different opening pressure
  • surface colour (e. g. yellow passivated)
  • further surface treatment
  • unhardened
  • etc.

 

MOUNTING INSTRUCTIONS

In order to allow for a proper lubrication with all common grease guns, the head space, which is necessary for installation, should be considered (please see table with dimensions).

 

OPERATING INSTRUCTIONS

As suitable lubricating nozzle, we recommend our hydraulic couplers.

Hydraulic grease fittings Type H1

straight version A - 180°

 

 

Hydraulic grease Fittings Type H2

angled version B - 45°/67°

 

 

Hydraulic grease fittings Type H3

angled version C - 90°

 

 

Products
Grease fittings
Hydraulic-Type Grease Fittings DIN 71412

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