BFA Diaphragms
BFA Diaphragms
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BFA Diaphragms

BFA Diaphragms

BFA Diaphragms
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1 - 30 of 236 results

Item no. Piston diameter (Dk) Cylinder diameter (D9) Height (H) Shore Hardness Material Design Thickness (s) Stock Price
Diaphragms - 45x40x45 - BFA - 50 NBR 253 - Freudenberg - 49486781 - Packaging Unit 1 product photo
49486781 50 NBR 253 BFA ?
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Diaphragms - 35x80x90 - BFA - 58 PVMQ 534 - Freudenberg - 49464986 - Packaging Unit 1 product photo
49464986 58 PVMQ 534 BFA 3
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Diaphragms - 25x35x40 - BFA - 70 FKM 576 - Freudenberg - 49106673 - Packaging Unit 1 product photo
49106673 70 FKM 576 BFA 86
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Diaphragms - 40x60x70 - BFA - 70 HNBR 150531 - Freudenberg - 49471477 - Packaging Unit 1 product photo
49471477 70 HNBR 150531 BFA ?
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Diaphragms - 35x40x45 - BFA - 50 NBR 253 - Freudenberg - 49463405 - Packaging Unit 1 product photo
49463405 50 NBR 253 BFA 24
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Diaphragms - 30x130x140 - BFA - 70 FKM 576 - Freudenberg - 49303971 - Packaging Unit 1 product photo
49303971 70 FKM 576 BFA 25
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Diaphragms - 55x80x90 - BFA - 70 FKM 576 - Freudenberg - 49496679 - Packaging Unit 1 product photo
49496679 70 FKM 576 BFA 44
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Diaphragms - 30x25x30 - BFA - 70 FKM 576 - Freudenberg - 49496575 - Packaging Unit 1 product photo
49496575 70 FKM 576 BFA ?
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Diaphragms - 10x30x35 - BFA - 60 EPDM 266 - Freudenberg - 391214 - Packaging Unit 1 product photo
391214 60 EPDM 266 BFA ?
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Diaphragms - 35x50x55 - BFA - 50 NBR 253 - Freudenberg - 49488256 - Packaging Unit 1 product photo
49488256 50 NBR 253 BFA ?
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Diaphragms - 120x110x120 - BFA - 70 HNBR 150531 - Freudenberg - 49484178 - Packaging Unit 1 product photo
49484178 70 HNBR 150531 BFA 30
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Diaphragms - 20x15x20 - BFA - 50 NBR 253 - Freudenberg - 49486751 - Packaging Unit 1 product photo
49486751 50 NBR 253 BFA ?
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Diaphragms - 20x15x20 - BFA - 60 VMQ 117117 - Freudenberg - 49499071 - Packaging Unit 1 product photo
49499071 60 VMQ 117117 BFA ?
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Diaphragms - 25x25x30 - BFA - 50 NBR 253 - Freudenberg - 49486756 - Packaging Unit 1 product photo
49486756 50 NBR 253 BFA ?
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Diaphragms - 55x80x90 - BFA - 70 HNBR 150531 - Freudenberg - 49471476 - Packaging Unit 1 product photo
49471476 70 HNBR 150531 BFA 3
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Diaphragms - 28x30x35 - BFA - 50 NBR 253 - Freudenberg - 49486759 - Packaging Unit 1 product photo
49486759 50 NBR 253 BFA ?
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Diaphragms - 30x25x30 - BFA - 70 FKM 576 - Freudenberg - 49005251 - Packaging Unit 1 product photo
49005251 70 FKM 576 BFA ?
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Diaphragms - 35x50x55 - BFA - 70 FKM 576 - Freudenberg - 49496522 - Packaging Unit 1 product photo
49496522 70 FKM 576 BFA 37
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Diaphragms - 65x270x285 - BFA - 50 NBR 842 - Freudenberg - 49105007 - Packaging Unit 1 product photo
49105007 50 NBR 842 BFA 1
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Diaphragms - 30x25x30 - BFA - 50 NBR 253 - Freudenberg - 49486757 - Packaging Unit 1 product photo
49486757 50 NBR 253 BFA 16
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Diaphragms - 55x60x70 - BFA - 70 FKM 576 - Freudenberg - 49496504 - Packaging Unit 1 product photo
49496504 70 FKM 576 BFA 46
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Diaphragms - 45x40x45 - BFA - 70 FKM 576 - Freudenberg - 49303970 - Packaging Unit 1 product photo
49303970 70 FKM 576 BFA 21
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Diaphragms - 70x80x90 - BFA - 50 NBR 216214 - Freudenberg - 49485434 - Packaging Unit 1 product photo
49485434 50 NBR 216214 BFA 19
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Diaphragms - 35x40x45 - BFA - 70 FKM 576 - Freudenberg - 49496503 - Packaging Unit 1 product photo
49496503 70 FKM 576 BFA ?
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Diaphragms - 35x30x35 - BFA - 50 NBR 253 - Freudenberg - 49486780 - Packaging Unit 1 product photo
49486780 50 NBR 253 BFA ?
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Diaphragms - 25x25x30 - BFA - 70 FKM 576 - Freudenberg - 49496448 - Packaging Unit 1 product photo
49496448 70 FKM 576 BFA 171
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Diaphragm - BFA - 50 NBR 153750 - Freudenberg - 49305988 - Packaging Unit 1 product photo
49305988 90 100 25 50 Shore A 50 NBR 153750 BFA ?
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Diaphragm - BFA - 50 NBR 253 - Freudenberg - 49031857 - Packaging Unit 1 product photo
49031857 90 100 25 50 Shore A 50 NBR 253 BFA ?
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Diaphragm - BFA - 60 EPDM 266 - Freudenberg - 478053 - Packaging Unit 1 product photo
478053 90 100 60 60 Shore A 60 EPDM 266 BFA ?
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Diaphragm - BFA - 70 FKM 576 - Freudenberg - 49356015 - Packaging Unit 1 product photo
49356015 90 100 60 70 Shore A 70 FKM 576 BFA 4
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BFA Diaphragms: Precision in Motion

Experience unparalleled precision and efficiency with BFA Diaphragms' revolutionary long-stroke rolling diaphragms. Crafted from highly elastic fabric-reinforced materials, these diaphragms are designed to excel in applications requiring delicate yet robust protection. The unique BFA Diaphragms lineup includes the standard type BFA and the fabric-free type BFAO, catering to specialized needs.

Unveiling Advantages: Long-Stroke Excellence

BFA Diaphragms redefine diaphragm technology with their slender build and remarkable height-to-diameter ratio. The benefits are manifold: experience low, consistent resistance across the stroke, enabling significantly extended lengths compared to traditional counterparts. Enjoy uniform effective areas throughout the motion, eliminating resistance during initiation or changes in movement. Ideal for hydraulic and pneumatic control systems, pressure measurement, and display equipment, these diaphragms outperform lip seals while minimizing demands on pistons and cylinders.

Applications Across Industries: Precision Perfected

BFA Diaphragms find their niche in applications demanding precision, reliability, and extended stroke capabilities. From hydraulic and pneumatic control equipment to pressure switches and transducers, their superior performance is unmatched. The specialized 'no-dust' design makes them particularly effective in low-pressure environments, safeguarding machinery from contaminants. The integration of BFA Diaphragms ensures optimal performance, while their construction eliminates concerns about dust infiltration.

Effortless Installation: Precision in Practice

Unlock the full potential of BFA Diaphragms with meticulous installation. When assembling long-stroke fabric-coated roller diaphragms, place the fabric on the depressurized side. Reverse the diaphragm before fitting, ensuring the rolling convolution is correctly oriented. For optimal results, employing a mounting sleeve is recommended to prevent unintended damages. Alternatively, position an inverted rolling diaphragm on the piston, insert the heel into the groove, and push the piston into the cylinder to form the rolling winding without skewed convolutions. Incorporate a stroke limitation to ensure peak performance.

In conclusion, BFA Diaphragms introduce a new era of precision and reliability in long-stroke rolling diaphragms. With their innovative design, extended stroke lengths, and uniform resistance, they redefine efficiency in hydraulic and pneumatic systems. Meticulous assembly guarantees optimal performance, establishing them as the ultimate choice for industries that demand precision, longevity, and unmatched performance.


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