The numbers 70-85 and 70-80 in your query refer to the Durometer hardness range (Shore A) of the rubber sealing element inside a Dowty Seal. [1, 2, 3]
A Dowty Seal (also called a bonded seal or bonded washer) consists of an outer metal ring and an inner elastomer ring. A Shore A hardness of 70 to 85 is the industry standard for high-pressure hydraulic and pneumatic applications, preventing the rubber from extruding under heavy loads. [1, 2, 3, 4]
The numbers 70-85 and 70-80 in your query refer to the Durometer hardness range (Shore A) of the rubber sealing element inside a Dowty Seal. [1, 2, 3]
A Dowty Seal (also called a bonded seal or bonded washer) consists of an outer metal ring and an inner elastomer ring. A Shore A hardness of 70 to 85 is the industry standard for high-pressure hydraulic and pneumatic applications, preventing the rubber from extruding under heavy loads. [1, 2, 3, 4]
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