Compact Air Motor Dry Shotcrete Machines Gunite Equipment Rotor Type Machine
This dry concrete spraying equipment features a compact air motor design with rotor type mechanism, ideal for efficient shotcrete applications.
Key Components
- Driving Device: Sealed oil-immersed reducer with three-stage gear transmission (87:1 ratio, 92% efficiency)
- Rotor Assembly: 10L capacity with 10 anti-stick lined mixture chambers for wet mixture handling
- Steel Liner Plate: Advanced alloy tool steel with HRC60-64 hardness for extended service life
- Rubber Sealing Plate: Special wear-resistant rubber with excellent sealing performance
- Four-Point Fastening: Cylindrical rubber gasket system ensures optimal pressure distribution and sealing
Technical Specifications
| Model |
KPZ-3A |
KPZ-4A |
KPZ-5A |
KPZ-7A |
KPZ-9A |
| Output |
2~3 m³/h |
3.5~4.5 m³/h |
4.5~5.5 m³/h |
5.5~6.5 m³/h |
6.5~7.5 m³/h |
| Max. Conveying Distance |
250 m |
230 m |
200 m |
150 m |
100 m |
| Max. Aggregate Size |
15 mm |
18 mm |
20 mm |
20 mm |
20 mm |
| Hose Inner Diameter |
φ42/51 mm |
φ51 mm |
φ51 mm |
Φ57 mm/φ51 mm |
Φ57 mm/φ64 mm |
| Air Consumption |
5 m³/min |
8 m³/min |
8 m³/min |
9 m³/min |
9 m³/min |
| Rated Working Pressure |
0.6 MPa |
0.6 MPa |
0.6 MPa |
0.6 MPa |
0.6 MPa |
Manufacturer Profile
Henan Coal Science Research Institute Keming Mechanical and Electrical Equipment Co., Ltd. is China's pioneer in shotcrete machine development and production, serving as a national standard-setter for the spraying industry.
Company Achievements
- 20+ national invention and utility model patents
- 8 industry awards including Henan Provincial Science and Technology Progress Award
- ISO9001, OHSAS 18001, ISO14001, and CE certified
- 2014 "Keming" brand awarded Henan Province Famous Trademark
Product Exhibition
Frequently Asked Questions
Which shotcrete machine model should we choose?
Please share your project requirements for professional model recommendations.
What are the vulnerable parts and spare requirements?
Rubber piston and cylinder sleeve may wear over time. We provide free initial spares and can estimate additional needs based on your project scale.
Is customization available?
Yes, we offer both customized production and OEM services to meet specific requirements.
What technical skills are required for operation?
Basic technical skills are needed. Please review the Operation Instruction manual and contact us for any clarification.
What support is available for technical issues?
We provide troubleshooting guides in the manual and offer remote support via email, instant messaging, or live video.
What is the production lead time?
Standard models: 1 week; Customized models: 2-3 weeks; Mass production varies by order size.
How is the product packaged?
Machines are plastic-wrapped and shipped in fumigation-free wooden cases with included spare parts.
What are the payment options?
Standard options include: 30% deposit + 70% before shipment (TT), L/C at sight (not recommended due to fees), or 100% TT in advance for small orders.