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V-ring seal
PTFEfor valvesfor hydraulic cylinders

V-ring seal
V-ring seal
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Characteristics

Configuration
V-ring
Material
PTFE
.application
for valves, for hydraulic cylinders, for piston rods, for presses, for spindles, for the food industry
Other characteristics
high-pressure, abrasion-resistant
Temperature limit

Min.: -200 °C (-328 °F)

Max.: 240 °C (464 °F)

Pressure limit

Min.: 50 bar (725 psi)

Max.: 300 bar (4,351 psi)

Description

PTFE V-rings are used mainly for sealing on plunger and piston rods of hydraulic cylinders, presses, valve spindles and controls. Several sealing lips and the long contact surfaces ensure a good sealing performance. The seal sets consist of a pressure ring, a back-up ring and V-rings, which in number and design are adapted to the various operational conditions. This makes them more insensitive to contamination from the operating medium than one-piece seals. Further decisive advantages are their form stability, which make V-rings insensitive to pressure peaks, and their preload adjustability (spacer plates, springs). In addition, they have a favorable breakaway torque even after a long standstill period. Standard profiles are manufactured from pure PTFE or PTFE with fillers. There is an elastic design for the low pressure range, a design is available for a broad product spectrum, where the sealing function is given due to a wedge effect and a pressure resistant, relatively rigid design for harsh operating conditions. V-seal sets are made by machining and can be produced in a variety of diameters and heights. Medium pressure V-seal set (MDM) – Pressure range: < 50 bar – Elastic profile version High pressure V-seal set (HDM) – Pressure range: 50 to 100 bar – Profile relatively rigid, seals through a wedge effect Extreme pressure V-seal set (HöDM) – Pressure range100 bar – 250 bar – Preferable for static sealing functions and pulsating pressures

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.