Capacity Planning Guide
Filling line capacity: BPH and mixed-bottle shift planning
Choose a filling line from the orders it must finish. Work out the hours for each bottle format, reserve cleaning and changeover time, and check the supply and packing equipment against the same output target.
Updated 2026-10-18Start with daily demand, not the fastest catalogue speed
Example: 12,000 saleable bottles are required per day. An eight-hour shift minus 90 minutes reserved for cleaning, changeovers and other scheduled work leaves 6.5 production hours. With an illustrative 80% residual output factor inside that window, the required reference rate rounds up to 2,308 bottles per hour (BPH), about 38.47 bottles per minute.
12000 / (6.5 x 0.80) = 2307.69 BPH
This is a planning scenario, not a guaranteed machine result or a measured OEE score. The 80% factor covers remaining stop, speed and quality losses. Do not deduct the same 90 minutes again through that factor. Replace assumptions with comparable operating data when available.
Calculate each bottle size and product separately. Confirm whether the target is filled bottles or accepted finished packs, then check the filler, capper, labeler and packer against the same time boundary. Six bottles per pack means dividing the bottle rate by six before comparing packer capacity.
Can one shift finish all your bottle formats?
A line can meet the speed target for one bottle and still miss the daily order mix. A useful capacity plan lists each product, container, saleable quantity and sustained good-output rate, then adds tasks that cannot overlap production. The worksheet below separates these time commitments.
Mixed-format shift calculator
Enter up to three order groups. Rates mean good bottles per production hour, including routine short stops and rejects within that production window. Exclude the planned tasks entered separately below. Set a quantity to zero to leave that group unused.
Illustrative inputs, not machine specifications: 10,000 bottles at 3,000 good bottles/hour, 6,000 at 2,400, and 3,000 at 1,800 need 450 production minutes. Add 90 minutes of separate planned tasks: the schedule needs nine hours, one hour beyond an eight-hour shift.
500 mL bottles
1 L bottles
1.5 L bottles
Time needed = sum of each quantity / its good-output rate + separate planned-task hours. This is a scheduling estimate, not an OEE score or a machine guarantee. Do not apply another reject factor to a rate already counting good bottles.
The entered schedule exceeds the shift; the negative balance is the time shortfall.
- Total time needed, including planned tasks
- 9 hours
- Time available for production
- 6.5 hours
- Time balance: + spare / - shortfall
- -60 minutes
Why can a 3,000 BPH line miss a mixed-bottle daily target?
The headline BPH may describe one reference bottle and product. A larger dose, longer settling time, slower cap feed or a different pack format can reduce another SKU's sustained output. Divide each order by that SKU's own good-output rate and add the times. In the example, the three runs already need 7.5 hours before cleaning and changeovers; averaging the three machine speeds would hide the shortage.
How should bottle changeover and cleaning time be counted?
Record the interval from the last accepted pack of the previous run to stable accepted output of the next. Include guides, change parts, cap and label settings, product clearance and the approved cleaning procedure where applicable. Some tasks run in parallel, so count elapsed line downtime rather than blindly adding every operator's minutes. Keep any separately scheduled tasks outside the good-output rate used in the worksheet.
How do product supply and packing limit filling capacity?
Convert every interface to the same unit and counting point. At 3,000 bottles/hour and 500 mL per bottle, average product demand is 1,500 L/hour; refill cycles and instantaneous flow still need a separate check. A packer producing 12 accepted six-bottle packs/minute represents 4,320 bottles/hour. Compare sustained rates with the actual bottles and packs, not empty-machine speeds; a buffer delays a stop but does not remove a persistent capacity gap.
Does adding filling heads guarantee the required BPH?
For a batch-style inline filler, an initial theoretical rate is working heads x 3,600 / complete cycle seconds. Six simultaneously working heads and a ten-second cycle give 2,160 bottles/hour before losses. The cycle must include indexing, nozzle movement, dosing and any settling or refill time that blocks the next batch. Continuous rotary equipment needs its own engineering basis. Validate actual product performance and downstream output before selecting head count.
Should rejects and OEE be applied again to a good-output rate?
No. If the rate already counts accepted bottles over the stated production window, its rejects and included stops have already affected the result. Applying them again understates capacity. For an OEE calculation, define planned production time, availability, performance and first-pass quality consistently; changeovers within planned production belong in availability loss. This worksheet instead uses a separately declared task allowance, so keep its time basis distinct from an OEE report.
What evidence should support the supplier's capacity promise?
Agree on the SKU, dose, temperature, bottle, closure, pack format, staffing, test duration and counting point before the trial. Record total and first-pass accepted output, rejects, stop reasons and restart behavior on the integrated line. Include both difficult and representative formats and a planned changeover. A short peak-speed video does not establish a sustained good-output rate; use the recorded trial conditions when comparing quotations.
Send a capacity brief that suppliers can test
- List daily and weekly quantities by product, bottle size and pack format, including seasonal peaks.
- State the counting point: accepted filled bottles, accepted packs or pallet-ready goods.
- Provide measured good-output rates and their observation windows, or mark the rates as unverified planning inputs.
- List the order sequence, separate cleaning and changeover tasks, staffing and tasks that can run in parallel.
- Include product supply, cap and label handling, packing, utilities and the acceptance trial you need.
PET Bottled Water Filling Line
PET Juice and Tea Hot Filling Line
PET Carbonated Drink Filling Line
Beverage Can Filling and Seaming Line
Glass Bottle Filling Line
3-5 Gallon Water Filling Line
RFQ · FAT · SAT · TCO
A five-part specification record for this project
Use these decision gates to turn search research into a comparable RFQ, test plan and delivery boundary.
Freeze the product and package samples before final machine selection.
Separate rated speed from sustained saleable output by SKU and shift.
Confirm utilities, layout, drainage, access and operator responsibilities.
Write measurable FAT and SAT criteria into the commercial agreement.
Compare total installed scope, spares, shipping and support instead of headline machine price.
Required capacity worksheet
A budget quote becomes technically useful only after the liquid, container, closure, output basis, line scope, site conditions and destination are confirmed.
Capacity search and planning center
Turn a searched BPH number into a realistic filling-line specification
Buyers often search for 2,000, 5,000, 10,000, 12,000 or 24,000 BPH lines, but a nameplate number is not daily saleable output. Bottle volume, product process, cleaning, changeovers, rejects, line balance and final packing all affect the result. Choose a capacity route below, then use one output basis across every supplier quotation.
Search intent to project data
Popular filling-line capacity searches
Use these bands to reach the relevant planning guide. Each guide calculates shift output and identifies process, package, utilities, FAT and packing information that still needs confirmation.
| Capacity or scope | Typical planning context | What the RFQ should clarify |
|---|---|---|
| 2,000 BPH | Entry-scale PET water or small beverage projects | Review labor, manual packing, sanitation and whether future expansion is better served by modular equipment. |
| 5,000-6,000 BPH/CPH | Growing regional production | Balance treatment or preparation, container supply, filling, closing and packer capacity around realistic shifts. |
| 10,000-12,000 BPH/CPH | Established automatic line | Define buffers, inspection, changeovers, utility peaks, FAT duration and good-output measurement points. |
| 18,000-24,000 BPH/CPH | Higher-speed integrated production | Detailed line dynamics, controls, accumulation, packer output, maintenance access and sustained efficiency become major design inputs. |
Buyer specification
Five numbers every capacity quotation should state
Use each item as a written quotation checkpoint. Ask suppliers to mark included, optional, excluded or buyer-supplied and attach the evidence that will confirm the final choice.
Reference package
Bottle or can volume, dimensions, neck or end, weight and approved samples used for the capacity claim.
Reference product
Water, juice, CSD, beer or other liquid plus temperature, viscosity, foam, particles and cleaning route.
Rated machine speed
The named equipment speed under defined conditions, separated from total-line and saleable output.
Sustained line output
Good containers or finished packs per hour during an agreed test window, including the measured location.
Planning efficiency
The assumption used for shifts, short stops, sanitation, format changes and rejects; not a hidden guarantee.
Final-pack output
Bundles, trays, cartons or pallets per hour so the downstream line is not undersized relative to the filler.
From search to specification
A four-step method for choosing BPH or CPH without oversizing the line
Capacity selection begins with saleable demand and ends at the finished pack. These steps help translate a popular search number into an operating model that suppliers can test.
- 01
Start from saleable demand
Estimate daily demand by SKU, peak season, inventory policy and expected growth. Separate current demand from a future expansion case. A single ambitious speed number can create unnecessary capital cost, utilities and changeover losses, while a line selected only for today may constrain distribution growth sooner than expected.
- 02
Build an operating calendar
List shifts, scheduled hours, sanitation, startup, planned maintenance, format changes and product changeovers. Apply a transparent planning efficiency rather than assuming every scheduled minute produces good containers. Keep the calculation editable so buyers can compare one-shift, two-shift and future-demand scenarios before selecting the machine band.
- 03
Find the real bottleneck
Compare rated and effective capacity for treatment or mixing, bottle blowing or depalletizing, filling, closing, labeling, inspection, packing and pallet handling. State the reference package and product at every stage. The slowest sustained stage and the available accumulation determine practical line output, not the largest number shown in a brochure.
- 04
Define the output test
Write where good output will be counted, the approved container and product, run duration, allowed stops, quality checks, reject treatment and required records. Distinguish filler speed, integrated-line speed and finished-pack output. Suppliers can then size equipment and quote performance against the same measurable acceptance basis.
Direct buyer answers
Questions buyers search before requesting a quotation
These answers define the next project decision without presenting an early estimate as final engineering or a contractual guarantee.
How do I convert daily demand into required BPH?
Divide the daily saleable-container target by scheduled production hours and a realistic planning efficiency. Then review sanitation, changeovers, growth and the slowest integrated stage before selecting the rated capacity.
Does 5,000 BPH mean 40,000 bottles in an eight-hour shift?
Not automatically. That multiplication ignores sanitation, startup, short stops, rejects and changeovers. The project should state the planning efficiency and whether output is measured at the filler or as finished packs.
Why does bottle size change the actual capacity?
Larger or unstable containers change filling time, conveyor behavior, label application and packer output. Every capacity claim should name the reference bottle or can.
Should the packer run faster than the filler?
The packer and conveyors need enough effective capacity and accumulation to prevent routine filler stops. The required margin depends on pack pattern, line dynamics and operating strategy.
What is the difference between BPH and CPH?
BPH means bottles per hour and CPH means cans or containers per hour depending on context. Always define the unit, package and measurement point in the quotation.
How should capacity be tested during FAT?
Agree product or substitute, package samples, warm-up, test duration, output location, rejects, quality measurements, permitted stops and pass criteria before the test.
Can one line maintain the same speed for every SKU?
Usually not. Bottle size, fill volume, product condition, cap, label and pack format can change the limiting machine and changeover requirement.
Which capacity guide should I open first?
Choose the closest product, package and rated speed. Use it as a planning worksheet, then send the actual product, container, shifts, utilities and destination for a project-specific review.
Continue the decision path
Related equipment, capacity and procurement guides
Open the route that matches the real product, package, capacity or purchasing stage.
Why does the filler counter disagree with finished output?
Use the shift calculator with a rate you can explain, not just the largest number on a machine screen. A filler counts at one location; the customer orders an accepted package at another. Product still waiting for a cap, label or case at the end of the observation can explain part of the difference. The following record helps a buyer establish the production basis before requesting a higher-speed filling machine from China.
Fix the counting boundary and the observation window
Name the product, bottle, closure and pack revision, the inlet and outlet of the section being observed, and the exact start and end times. Read cumulative counters at both times and use their difference; record resets, rollover or missing data rather than treating a screen total as a shift result. State whether the outlet means capped bottles, accepted labeled bottles or complete accepted cases. Convert cases to bottles using the actual pack size. Unfinished cases and loose bottles do not become accepted cases simply because they crossed the filler.
Reconcile stock before blaming rejects or machine speed
Count the unfinished bottles already inside that boundary at the start and those left at the end. Keep a separate record of all physical removals, including rejected units and inspection samples; do not count the same removed bottle at two stations. Track any returns or rework explicitly, or choose an observation without them. Beginning stock plus new entries must equal accepted exits, recorded removals and ending stock when there are no other movements. An unexplained balance is a data question to investigate, not proof of a filling defect or permission to invent a reject rate.
Use a repeatable good-output rate in the capacity brief
Divide accepted output by the declared elapsed hours and retain the short stops included in that window. If planned cleaning or changeover is reserved separately in the calculator, use a rate whose production window excludes those same tasks; do not deduct them twice. Compare several representative runs with their SKU and operating conditions, not a selected peak minute. Separate observed results, assumptions for an untested format and future demand. Ask suppliers to review the limiting station and the evidence needed before recommending a larger filler; choose planning allowance from the documented variability, not a universal efficiency percentage.
Worked count balance: 6,000 filled bottles are not 6,000 finished bottles
Illustrative arithmetic only, not an Allot Tech production result or machine guarantee. Observe the section from filler discharge to the agreed accepted-pack outlet for two hours. It starts with 120 unfinished bottles, receives 6,000 new bottles, releases 5,800 accepted bottles, records 80 removed bottles and ends with 240 unfinished bottles. Assume one SKU, no returns, no rework and no other movements. The balance is 120 + 6,000 = 5,800 + 80 + 240. The filler discharge averaged 3,000 bottles/hour, but accepted output over the same window was 5,800 / 2 = 2,900 bottles/hour. The 200-bottle difference consists of 80 removals and a 120-bottle increase in unfinished stock; it is not automatically 200 rejects. Keep opening and closing stock in the report: draining stock from a previous run can also temporarily inflate the apparent finished-output rate. Confirm that the trial window represents the duty before using its rate for a whole shift.
Four records that make a BPH comparison auditable
- Counting basis
- SKU and package revisions, section boundaries, unit conversion, acceptance point and counter definitions; identify which checks still lie downstream.
- Time and movements
- Start/end readings and timestamps, opening/closing unfinished stock, removals and separately identified returns, samples or rework.
- Operating context
- Stop durations and reasons, material replenishment, staffing and available equipment. Mark missing or manually estimated data instead of presenting it as measured.
- Planning decision
- Accepted output and elapsed-time rate, included losses, excluded planned tasks, untested formats and the next trial or supplier clarification needed.
Actual-capacity questions before ordering a faster filling line
Can I use the filler display as my saleable bottles-per-hour figure?
Only if its counter and acceptance boundary actually represent that result. Check the counter definition, downstream checks, time interval, rejects and unfinished stock. If the display counts filled bottles before capping or labeling, describe it as filler output and calculate accepted finished output separately.
Should reworked bottles count as first-pass good output?
No. Keep first-pass results separate from units accepted after additional work, and account for the extra time and movements. A bottle re-entering the observed section must not be treated as a new saleable bottle on every pass. Agree the reporting rule before comparing trials.
Does a low finished-output rate mean I need more filling heads?
Not by itself. First check count reconciliation, included stops, the actual product and bottle, supply and downstream constraints. If the filler is repeatedly blocked by packaging, more filling heads may not improve finished output. Request a supported line-capacity proposal with clearly stated assumptions.
This is a purchasing and measurement worksheet, not an OEE certification, an operating instruction or a promised capacity. Allot Tech can help clarify an equipment inquiry with manufacturing partners in China. Qualified site personnel must agree measurement and trial arrangements; do not reach into running machinery or change safeguards to collect counts.