Service



When the pump is used to draw the liquid containing a lot of sharp particles, the Teflon diaphragm is easy to wear. Teflon diaphragm is provided with the advantage of resistance to strong acid and alkali

If the PH value is neutral, it is better to make use of SANTOPRENE wear-resistant diaphragm.



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Fluid flowing from the exhaust outlet

Check the diaphragm for any damage.
Check the diaphragm screw for looseness



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Fluid flowing from the exhaust outlet

Check the diaphragm for any damage.
Check the diaphragm screw for looseness



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Air bubbles in the outlet fluid

Check the suction pipe connection for good sealing.
Check the connection between the suction pipe and the intake manifold for good sealing.
Check the O ring between the intake manifold and the fluid cap
Check the diaphragm screws for looseness



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Low pump output

Check the air supply is stable.
Check the inlet/outlet for any blockage.
Check connectors connecting the intake manifold for air tightness
Check that the ball is not stuck to the seat or the ball is not improperly seated



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Air flows from the side gap of the muffler cover when there is no reciprocating movement

Check seal ring on slid valve
Check seal ring on trigger rod
Check seal ring on diaphragm link rod



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When the Teflon pump extracts paint, its diaphragm will wear due to long-term use. The flow of the pump will become small after the diaphragm is changed.

It is recommended to change the SANTOPRENE backup diaphragm beside the air chamber.



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When the aluminum alloy pump draws the alkali sewage of PH>10 from the hardware factory, the ball cages be easily corroded.

It is better to make use of the stainless steel pump.



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When the stainless steel pump is used to extract copper chloride + hydrochloride solution, it will produce "pitting" effect under the function of chloride ions. This is the currently main killer endangering the service life of stainless steel.

It is suggested to make use of the pure PP or PVDF pump.



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The Y cup of air chamber in the pump easily wears, which causes the serious accumulation of dust.

It is recommended to increase three sources at the air inlet of pump.



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If the outside diaphragm is damaged or the damaged diaphragm is not cleaned up after replaced by the new one, the long-term contact between the backup diaphragm and the paint will lead to deformation and shrinkage.

It is recommended to replace the SANTOPRENE backup diaphragm beside the air chamber.



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Global Quality Assurance

BSK has built a set of TS16949 quality system to provide first-class quality products to the users worldwide by carrying out six-sigma management in an all-round way.



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Completely Original Parts

BSK’s global supply chain management system can not only ensure the provision of high-quality, cost-effective original parts to each user, but also reduce users’ use-cost by about 20%. 



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Lifetime Technical Support

For twenty years, BSK has all along been committed to technological innovation. Much by its strong technical strength can it render global users with the complete technology solutions. 



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1-year Warranty

BSK’s globally innovative main-valve system can provide users with the perfect solutions because BSK offers full-warranty service for the main-valve system under normal use.



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