A strainer or in-line filter preventive maintenance schedule lists the checks and jobs done on the equipment at fixed intervals, how long each takes, and in what order of frequency, so problems are found before the strainer or in-line filter fails. This page gives the schedule used in the PlantOps360 task library for strainer or in-line filter (per unit: liquid and gas, y type, basket, duplex, coalescer), which follows common industry practice for general-purpose equipment. It is also searched for as strainer, filter, Y strainer, basket strainer.
The maker’s manual and your site safety procedures always come first where they differ. Intervals set by law differ by state.
Strainer or in-line filter preventive maintenance schedule and checklist
| How often | Task | Estimated time |
|---|---|---|
| Weekly | Check the differential pressure across the strainer or filter; record it | 3 min |
| Monthly | Clean the strainer basket as per DP or schedule; check gaskets | 20 min |
| Quarterly | Replace filter elements as per DP or schedule; clean the housing | 30 min |
| Half-yearly | Check drain valves and vents; check the housing for corrosion and leaks | 15 min |
| Annual | Inspect housings and covers; replace seals and gaskets | 45 min |
Strainer or in-line filter maintenance frequency and yearly workload
At the estimated times, one strainer or in-line filter needs about 10 hours of preventive maintenance a year. The biggest single job is “Inspect housings and covers; replace seals and gaskets” at 45 minutes, done annual. Multiply by the number of units you have to see the workload for your plant.
| Frequency | Tasks | Time per round | Hours per year |
|---|---|---|---|
| Weekly | 1 | 3 min | 2.6 h |
| Monthly | 1 | 20 min | 4.0 h |
| Quarterly | 1 | 30 min | 2.0 h |
| Half-yearly | 1 | 15 min | 0.5 h |
| Annual | 1 | 45 min | 0.8 h |
What goes wrong on a strainer or in-line filter without preventive maintenance
- Blocked baskets and elements
- Bypass left open
- Damaged screens passing debris
- Leaks at covers
What to watch between services
- Differential pressure
- Basket and element condition
- Cover seals
Safety and statutory notes for strainer or in-line filter maintenance
Depressurise and drain before opening. Fluid trapped inside can be hot or hazardous.
Where a strainer or in-line filter preventive maintenance schedule is used
A strainer or in-line filter is found in almost every industry. The industry guides below show how it fits into the wider schedule of each one:
- Preventive maintenance schedule for pharmaceutical plants
- Preventive maintenance schedule for food, dairy and beverage plants
- Preventive maintenance schedule for automotive plants
- Preventive maintenance schedule for chemical, fertiliser and petrochemical plants
- Preventive maintenance schedule for cement, glass, ceramics and building materials plants
- Preventive maintenance schedule for steel, foundry, forging and metal plants
- Preventive maintenance schedule for textile and garment mills
- Preventive maintenance schedule for thermal and hydro power plants
See all industry preventive maintenance schedules.
Related equipment maintenance schedules
- Control valve with positioner preventive maintenance schedule
- Safety and relief valve preventive maintenance schedule
- Isolation valve preventive maintenance schedule
- Valve actuator preventive maintenance schedule
- Hydraulic power pack, accumulators preventive maintenance schedule
- Central lubrication system preventive maintenance schedule
- Process piping, expansion joints preventive maintenance schedule
- Industrial gas cylinder storage preventive maintenance schedule
Browse the full list of equipment preventive maintenance schedules (317 types).
Run this strainer or in-line filter schedule in maintenance software
In preventive maintenance software, each row above becomes a recurring task on the asset with its checklist, time estimate and parts. Tasks can be triggered by calendar date, running hours, meter readings or production cycles, each completed task is recorded with the person and date, and a failed check can open a work order. For the method behind it, read the guide to the preventive maintenance schedule, or use the free generator to get a 12-month plan for your whole equipment list.
Build my preventive maintenance schedule (free Excel)
Frequently asked questions
How often should a strainer or in-line filter be serviced?
In our schedule a strainer or in-line filter has 5 tasks: 1 weekly, 1 monthly, 1 quarterly, 1 half-yearly, 1 annual. The biggest job is “Inspect housings and covers; replace seals and gaskets”, which is done annual. Always follow the maker’s manual where it gives a different interval.
What is included in strainer or in-line filter preventive maintenance?
It covers routine checks and jobs such as “Check the differential pressure across the strainer or filter; record it”, “Clean the strainer basket as per DP or schedule; check gaskets”, “Replace filter elements as per DP or schedule; clean the housing”, up to the annual overhaul or inspection. The full list with times is in the table above.
How many hours of maintenance does a strainer or in-line filter need per year?
About 10 hours per unit per year at the estimated times in our library, including all scheduled rounds. Use it to plan workload, not as a benchmark.
Is there a free strainer or in-line filter maintenance checklist?
Yes. The table on this page is a ready checklist. The free preventive maintenance schedule generator turns it into a 12-month Excel schedule for your list of equipment, with monthly workload hours.