Long-Stroke Rolling Diaphragms BFA<CRLF>The small diaphragm thickness and large height of the diaphragm relative to the diameter provide the following advantages:<CRLF>- Low, almost constant resistance to movement over the entire stroke
- Considerably greater stroke lengths in comparison to conventional diaphragms with the same diameter
- Effective area remains the same over entire stroke
- No additional resistance to movement on starting or on change in direction of movement; no notch point in operating range
- Low requirements on piston and cylinder in comparison to lip seals
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Single Convolution Bellows- Single convolution bellows prevent the escape of lubricant at shaft joints and protect the joints against soiling
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Merkel Flex-O-Dit - High chemical and thermal resistance
- Good plastic deformability
- Great adaptability to surface structures
- High pressure resistance
- No cold flow
- Self adhesive and manageable
- Cost-effective stock keeping
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Merkel Forseal FOA made of PTFE
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