Plastics · Vacuum material loading
Ring Blower for Hopper Loader
Hopper Loader duty, sized right: dilute-phase vacuum conveying to machine-side loaders. Real Yash models, oil-free where it matters, ISO 9001:2015 and built in Faridabad since 1998.
- Duty
- dilute-phase vacuum conveying to machine-side loaders
- Airflow
- 150–700 m³/hr
- Vacuum
- −200 to −400 mbar vacuum
DTYWhat a hopper loader pulls
A hopper loader lifts granules and regrind from a bin or silo up to the throat of a moulding or extrusion machine in short, repeated vacuum pulls. Each cycle picks up material, conveys it up the line and drops it into the loader when the vacuum releases, so the source has to build a firm vacuum quickly and swallow the conveying air with the material entrained. That is a moderate-vacuum, decent-flow duty ideally suited to a regenerative ring blower: oil-free, one moving part, and happy with the on/off cycling loaders impose. Longer lines and taller lifts need more vacuum, which is where a two-stage ring blower earns its place, and a central system feeding many loaders steps up to a dry vacuum pump.
Yash single-stage and double-stage ring blowers are the plastics industry's default loader vacuum source — oil-free, tolerant of the granule dust with the right intake filter, and built for continuous 24/7 plant duty. ISO 9001:2015, made in Faridabad, sized on line length, lift and conveying rate, and quoted in 24 hours.
SZESizing note
Set the vacuum by line length and vertical lift, and the flow by conveying rate; keep conveying velocity high enough to keep pellets entrained to the receiver. A filter and relief valve protect the impeller from fines.
Indicative only — final selection depends on your exact duty point, altitude and air temperature. Send the numbers and an engineer confirms the model.
MDLRecommended models
Real Yash models whose published specifications sit inside this machine's duty window. Every figure is from our catalogue — click any model number for its full datasheet.
Single Stage Turbine Blower
Full range →The default loader vacuum source — moderate vacuum, oil-free, and unbothered by the on/off pulses a hopper loader imposes.
| Model | Power | Flow (m³/hr) | Flow (CFM) | Vacuum (mbar) | Pressure (mbar) | Noise (dB) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| YEBL-1-320V | 4.0 HP | 320 | 188 | -270 | 290 | 69 | 37 |
| YEBL-1-530 | 7.5 HP | 530 | 312 | -300 | 320 | 80 | 62 |
| YEBL-1-700 | 7.5 HP | 700 | 412 | -200 | 180 | 81 | 66 |
Double Stage Turbine Blower
Full range →Two stages for longer runs and taller lifts where a single stage runs short on vacuum to keep material entrained.
| Model | Power | Flow (m³/hr) | Flow (CFM) | Vacuum (mbar) | Pressure (mbar) | Noise (dB) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| YEBL-DS-230 | 4.0 HP | 230 | 135 | -340 | 410 | 72 | 39 |
| YEBL-DS-320V | 7.5 HP | 320 | 188 | -440 | 500 | 73 | 70 |
FAQRing Blower for Hopper Loader — FAQs
- What blower runs a hopper loader?
- A regenerative ring blower is the standard — it gives the moderate vacuum and steady flow a machine-side loader needs, runs oil-free and shrugs off the on/off pulses of the loading cycle. A YEBL-1-530 or -700 covers most single-loader duties; go two-stage for long or high lifts.
- One central blower or a blower per loader?
- For a few loaders a dedicated ring blower each is simple and reliable. For many loaders across a plant a central vacuum system on a larger blower or a dry vacuum pump, with sequencing valves at each receiver, is more efficient. We size either against your line lengths and total conveying rate.
REFExplore further
RFQ / Request for Quotation
Sizing a ring blower for your Hopper Loader?
Send your duty point (150–700 m³/hr at −200 to −400 mbar vacuum), the machine make and your site voltage — an engineer sizes the exact model and quotes within 24 hours.