Details and estimated prices for a used semi-automated roller conveyor system (Gravity Rollers + Manual Weighing Station) in Karachi, suitable for 50-100 kg bags:
1. Used Gravity Roller Conveyor Specifications
- Type: Second-hand steel roller conveyor
- Load Capacity: 100–150 kg per roller (safety margin)
- Roller Material: Galvanized steel or PVC-coated
- Roller Diameter: 50–75 mm
- Width: 600–800 mm (fits standard bags)
- Length: 3m–6m (common used sizes available)
- Condition: Functional, may need minor repairs (bearing replacement, alignment)
Estimated Price (Used):
- PKR 80,000 – 200,000 (depending on length, condition, and seller)
2. Manual Weighing Station (Scale at End)
- Option A: Basic Platform Scale
- Capacity: 150–300 kg
- Type: Analog or digital floor scale
- Brands: Local (e.g., Adam Equipment, CAS) or Chinese imports
- Price (Used): PKR 15,000 – 40,000
- Option B: Hanging Bag Scale (If Lifting Manually)
- Capacity: 100–200 kg
- Type: Digital hook scale
- Price (Used): PKR 10,000 – 30,000
3. Additional Costs (If Needed)
- Support Stands/Frames: PKR 10,000–30,000 (if conveyor lacks legs)
- Repairs/Maintenance: PKR 5,000–20,000 (bearing replacements, welding fixes)
4. Where to Buy Used Equipment in Karachi?
a) Local Industrial Markets:
- S.I.T.E. Area (Used machinery shops near Habib Bank Chowrangi)
- Korangi Industrial Zone (Scrap dealers & resellers)
- Shershah Market (Known for second-hand industrial tools)
b) Online Platforms:
- OLX Pakistan (www.olx.com.pk) – Search for “used roller conveyor Karachi”
- Facebook Marketplace (Groups like “Karachi Industrial Equipment Buy/Sell”)
c) Auction/Scrap Dealers:
- Al-Hamd Machinery (Korangi) – Often stocks used conveyors.
- Reconditioned Machinery Sellers in Landhi.
5. Pros & Cons of This Setup
| Pros | Cons |
|---|---|
| ✔ Very low cost | ❌ Requires manual labor to push bags |
| ✔ Easy to install/maintain | ❌ Slower than automated systems |
| ✔ No electricity needed | ❌ Weighing not integrated (extra step) |
6. Total Estimated Budget (Used Setup)
- Conveyor + Scale + Minor Fixes: PKR 100,000 – 250,000
Recommendation:
- Inspect used rollers for smooth rotation and rust damage before buying.
- Test weighing scales with known weights (e.g., 50kg test bags).
- Negotiate prices aggressively—used equipment often sells for 30–50% of new cost.
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