AR3/C CUTTING RING WITH TIGHT SEALING FOR DIN 2353 FITTINGS

AR3/C cutting ring was designed and tested with the aim of offering to customers a specific, simplified product.

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AR3/C ring is provided with a vulcanised rubber sealed washer at its axial end on the head side and an O-ring gasket placed in an annular recess at the rear, assuring total tight seal.

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RR-FORM®
TUBE FORMING SYSTEM/C 

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So far welding nipples often have been employed in metallurgical industry and in construction of cranes and elevators, off-shore facilities and
heavy-duty farming machines, but now RR-FORM® system replaces welding with a faster and more reliable method.

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RR-FORM® SYSTEM AND AR3-FORM® GUARANTEES

• EASY ASSEMBLING: the new sealing ring AR3-FORM® eliminates time-consuming operations to make sure that the ring cuts into the tube
• ABSOLUTE SEALING: new sealing ring AR3-FORM® assures perfect tightness by the elastometric gasket that fills the space between tube and 24°-taper during the clamping procedure
• AUTOMATIC TIGHTENING LIMIT: contact between AR3-FORM® ring and fitting body because of the nut tightening effect compels the operator to stop tightening
• CUTTING RING FITTINGS INTERCHANGEABILITY: new AR3-FORM® rings perfectly interchange like all the other sealing rings with one cutting edge or two cutting edges used on 24° tapered fittings DIN 2353 /ISO 8434-1

 

BANJOS TN 111 K

Rastelli Raccordi constant research and technological innovation allowed the realization of a new version of banjos TN111: the seal system has been renewed in version TN111K-GG by displacing the seal in the inner of ring in order to avoid extrusion problems in assembly, disassembly and orientation phase and to reduce considerably the support surface necessary for a perfect seal.

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We innovated also the seal system in the version TN111K by the introduction of the opposite engraving ring.

 

TD 88 DOUBLE-CUTTING RING

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TD 88 ring gives the maximum reliability and security in heavy load hydraulic installations.

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TD 88 ring’s double–edged increases the resistance to vibrations and to impulses.

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The incision of the new edges on the tube also permits to enhance slipping resistance

 

TN 400 DKO TAPER FITTINGS

TN 400 fittings have the following points of strength:

• Minor change in cross section

• Negligible pressure loss

• Taper to DIN 3865

• Appropriate for extreme load conditions

• Low tightening torque

• High tensile safety

• High pressure strength

• High degree of sealing efficacy thanks to additional O-Ring seal