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HIDRACAR manufactures a range of diverse special design bellows type pulsation dampeners to suit special applications:

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PTFE BELLOWS TYPE DAMPENERS WITH DOUBLE CIRCUIT CONNECTION

For working in circuits with both inlet and outlet connections for the dampeners. This design improves dampening, specially in circuits with high speed pumps.

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Special design bellows type pulsation dampeners: Layouts of HIDRACAR PTFE bellows dampeners with double connection

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PTFE BELLOWS TYPE DAMPENERS WITH INDICATOR ROD

PTFE bellows dampener with bellows breakage detector

The indicator rod enables the dampener to indicate an event (for instance, the breakage of the bellows). By means of an optional micro-switch an automatic action can be triggered by the dampener.

Special design bellows type pulsation dampeners: Layout of a HIDRACAR PTFE bellows dampener with indicator rod

LOW PRESSURE STAINLESS STEEL BELLOWS DAMPENERS WITH HEATING JACKET

Special design  bellows type pulsation dampeners: Low pressure stainless steel bellows dampeners with heating jacket

For working in low pressure circuits (max. 20 bar) fitted with a heating jacket to keep the process liquid at a high temperature.

Special design  bellows type pulsation dampeners: Layout of a low pressure stainless steel bellows dampener with heating jacket

HIGH PRESSURE STAINLESS STEEL BELLOWS DAMPENERS FOR WORKING AT A HIGH TEMPERATURE

Special design  bellows type pulsation dampeners: High pressure stainless steel bellows dampeners for working at a high temperature

For working in high temperature high pressure circuits. An auxiliary accumulator is attached to the bellows dampener so the heat-resistant stainless steel bellows can’t be damaged by the, otherwise,  high stretching required by the high pressure dampening. Thermal oil is used to transfer the pressure between the dampener and the auxiliary accumulator.

A bladder type auxiliary accumulator is used for working with a high temperature process liquid, while a PTFE membrane (resistant to a higher temperature) auxiliary accumulator is used when working with a very high temperature (170 ºC to 200 ºC) process liquid.

Special design  bellows type pulsation dampeners: Layout of a HIDRACAR high pressure SS bellows dampener for working at high temperature

HIGH PRESSURE STAINLESS STEEL BELLOWS DAMPENERS WITH HEATING JACKET FOR WORKING AT A HIGH TEMPERATURE

Special design  bellows type pulsation dampeners: High pressure stainless steel bellows dampeners with heating jacket for working at a high temperature

For working in high temperature high pressure circuits fitted with a heating jacket to keep the process liquid at a high temperature. An auxiliary accumulator is attached to the bellows dampener so the heat-resistant stainless steel bellows can’t be damaged by the, otherwise,  high stretching required by the high pressure dampening. Thermal oil is used to transfer the pressure between the dampener and the auxiliary accumulator.

Special design  bellows type pulsation dampeners: Layouts of HIDRACAR high pressure SS bellows dampeners with heating jacket for working at high temperature

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HIDRACAR accumulator reference code identification (pdf file).

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PRODUCT SHEETS:

Special design bellows type pulsation dampeners: High pressure dampener for working at a high temperature & Low pressure dampener with heating jacket (pdf file).