5SHP Venturi Air Blower: The Balanced Workhorse for Mid-Size Confined Spaces

Why the 5SHP Is Our Most-Shipped Model

Every month, we ship more 5SHP units than any other model in the SHP series. The reason is simple: it sits in the engineering sweet spot. The 5SHP extends the venturi body to 520 mm for a higher induction ratio and better airflow at the same air consumption as the 3SHP — yet it still weighs only 1.76 kg, light enough for one person to carry, position and operate.

For shipyards, chemical plants and contractors doing day-to-day confined-space ventilation, the 5SHP is usually the right answer.

Airflow at a Glance

Like all SHP models, the 5SHP is driven purely by compressed air or saturated steam. Its airflow scales with inlet pressure:

1. 1,520 m³/h at 40 psig (0.28 MPa)
2. 1,856 m³/h at 60 psig (0.41 MPa)
3. 2,258 m³/h at 80 psig (0.55 MPa)

Air consumption remains modest across the range — just 22 scfm at 40 psig and 58 scfm at 80 psig. The induction ratio reaches 1:42, meaning every unit of compressed air drawn in generates 42 units of ambient airflow out the 155 mm outlet.

Complete Specifications

1. Model: 5SHP
2. Air Induction Ratio: 1:42
3. Overall Length: 520 mm
4. Inlet Pressure: 0.4 – 1.0 MPa (60 – 145 psi)
5. Maximum Airflow: 2,258 m³/h at 80 psig
6. Air Inlet Connection: G1/4
7. Outlet Diameter: 155 mm
8. Weight: 1.76 kg
9. Body Material: Aviation-grade Aluminum
10. Drive Medium: Compressed air or saturated steam

Where the 5SHP Shines

Chemical Reactor Vessels

Purging a 20–50 m³ reactor before maintenance crew enter is the 5SHP's bread and butter. Connect it to the shop's 6 bar compressed-air line through the G1/4 inlet, clip the grounding cable, and the vessel reaches safe LEL levels in minutes — with zero ignition risk because there is no motor and no sparks.

Medium Ship Holds

For between-deck spaces, small cargo holds and engine-room compartments during welding, grinding and painting, the 5SHP delivers enough airflow to maintain fresh-air turnover without needing the bulk of a 7SHP or 9SHP. Ship superintendents often buy 5SHPs by the half-dozen — one per dock, one per welding bay.

Routine Confined-Space Ventilation

Contractors doing utility-vault, pipeline, and silo entry work need equipment that is easy to deploy and hard to break. A single operator can carry the 5SHP one-handed from the service van to the entry point, making it a standard item in confined-space rescue kits.

5SHP vs 3SHP vs 7SHP — Which One Do You Need?

A quick decision matrix we share with customers:

1. Tank under 15 m³, or very light duty? The 3SHP is cheaper and smaller.
2. Tank 15–80 m³? Chemical reactor? Ship hold? The 5SHP is the right model.
3. Tank 80–200 m³? Industrial furnace access? Step up to the 7SHP for its 205 mm outlet.
4. Oil storage tank or plant-scale space? You need the 9SHP or 9SHP-B.

If you are unsure, send us your tank volume and available inlet pressure — we will recommend the right model and send a formal quotation the same working day.

Why Aviation-Grade Aluminum Matters

The 5SHP body is CNC-machined from a single block of aerospace aluminum. This choice is not cosmetic — it addresses three real field problems:

1. Impact resistance. The blower gets dropped, dragged, and occasionally hit by falling tools. Aluminum deforms locally instead of cracking through.
2. Anti-static properties. Static buildup during high airflow could be catastrophic in a flammable atmosphere. The aluminum alloy we use dissipates charge safely to the grounding clamp.
3. Weight. A steel version of the 5SHP would weigh three times as much. At 1.76 kg, a field technician can hold it in one hand.

Ordering the 5SHP

We ship the 5SHP worldwide from our factory in Shenzhen, China. Recent export orders have gone to the United States, Germany, Italy, Netherlands, Spain, Poland, Brazil and Mexico. We handle FOB Shenzhen or CIF to destination port, accept OEM marking and private-label packaging, and provide multilingual operation manuals.

Minimum order: 1 unit (for sampling). Bulk pricing starts at 20 units.

Lead time: 3–7 working days for stock orders, 15–20 days for OEM runs.

Certifications: Full test reports provided with shipment.

Ready to order? Email jack@venturiairblower.com with your quantity and destination, or WhatsApp us at +86 19574989725. We typically respond within one working day (GMT+8).