Answer:Four FX-15 pump heads.
Answer:No. The complete kit covers four heads, while the FX-15 single-head seal kit supports one head.
Answer:Leaks, unstable delivery pressure and inconsistent solvent flow can result from worn pump-head sealing components.
The PerkinElmer Flexar FX-15 complete preventive maintenance kit supports scheduled servicing of four FX-15 HPLC pump heads. The kit groups wear-component replacements needed during pump-head maintenance so that the multi-head pumping arrangement can be serviced as a coordinated operation. In high-pressure liquid chromatography, worn seals and related pump-head components can contribute to pressure instability, leaks and solvent delivery irregularities. Replacing the correct parts during preventive maintenance helps maintain a controlled flow path before systematic leak testing and performance checks. The four-head kit differs from the FX-15 single-head seal kit, which is intended for an individual pump head. Maintenance should follow the applicable FX-15 service procedure, with pump depressurization, appropriate solvent handling and inspection of pistons, check valves and mating surfaces. This is a pump service kit, not a complete pump head or a new chromatographic pumping module.
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