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T07

T07

Product catalog summary

Design Overview: The Hallite 07 is a multi-lip rod seal designed for medium to heavy-duty applications. It consists of a header ring, vee rings, and a female adaptor. The header ring serves as the primary seal, combining a rubberized fabric vee ring with rubber for durability and strength at high pressures. The vee rings provide secondary sealing, and the female adaptor prevents extrusion damage, made from polyacetal or hard rubberized fabric. The assembly is pressure-activated and requires no axial pre-load.

Features:

Effective sealing under both high and low pressure conditions.
Precision-molded vee rings.
Pressure-activated with no need for adjustments.

Operating Conditions:

Maximum Speed: 0.5 m/sec (1.5 ft/sec).
Temperature Range: -30°C to +100°C (-22°F to +212°F).
Maximum Pressure: 700 bar (10,000 psi).
Maximum Extrusion Gap: Varies with pressure, from 0.4 mm at 160 bar to 0.1 mm at 700 bar.

Surface Roughness:

Dynamic Sealing Face: 0.1 to 0.4 µmRa.
Static Sealing Face: 1.6 µmRa max.
Static Housing Faces: 3.2 µmRa max.

Chamfers & Radii:

Groove Section: Varies from 7.5 mm to 15.0 mm.
Minimum Chamfer: Varies from 4.0 mm to 7.5 mm.
Maximum Fillet Radius: 0.8 mm to 1.6 mm.

Tolerances: Detailed tolerances are provided for various dimensions in both metric and inch systems, ensuring precise fitting and performance.

Catalog excerpts

The Hallite 07 is a multi lip rod seal, for medium to heavy duty applications, composed of a header ring, vee rings and a female adaptor. The header ring is the primary seal. It is a bonded construction of a rubberised fabric vee ring and rubber. When installed the section is pre-loaded to seal at low pressure but has the strength and durability of the fabric to operate at higher pressures. Rubberised fabric is also used for the vee rings. These provide secondary sealing as pressure acting on the header ring spreads the vee rings increasing the sealing area. The female adaptor provides the support and protection from extrusion damage. It is manufactured in either polyacetal or hard rubberised fabric. The assembly is a pressure activated packing that does not require any axial pre-load. The range has a header ring, a female adaptor and 2 vee rings. Other sizes and constructions are available on request. Features • Effective Dri-Rod seal under both high and low pressure conditions • Precision moulded vee rings 20° • Pressure activated Operating conditions Maximum Speed Temperature Range Maximum Pressure Figures show the maximum permissible gap all on one side using minimum rod Ø and maximum clearance Ø. Refer to Housing Design section. Surface roughness Static Sealing Face ØD1 Dynamic Sealing Face Ød1 Static Housing Faces L1 Chamfers & Radii Groove Section ≤ S mm Min Chamfer C mm Max Fillet Rad r1 mm Groove Section ≤ S in Min Chamfer C in Max Fillet Rad r1 in Technical details

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