Plaster finishing machine YG series

Product Overview
Using an automated spray plaster machine cuts labor costs by nearly 60% while boosting speed four to five times over traditional methods. A standard manual team covers about 200 square meters per day; a screw-pump spray plaster machine can reach roughly 150 square meters per hour at a 2 cm coating thickness. The integrated air compressor delivers material continuously without pulsing, increasing wall adhesion and reducing rebound waste by about 20%.

Pro Tips

• Always flush and lubricate the delivery hose with water before pumping material; running a dry mix will immediately block the hose.
• Most spray-plaster machines only handle wet materials; never dump dry powder directly into the hopper.
• Switch nozzle size whenever you change material viscosity to ensure an even spray pattern. In hot climates, place a sunshade over the hopper area so the mortar stays moist before pumping.

Machine Types

• Screw-Pump Spray Machines: Ideal for fine mortar, putty and insulation plaster. They offer steady flow without pulsing, creating smooth surface finishes.
• Piston-Pump Spray Machines: Built for heavy aggregate mixtures (heavy-duty mortar or concrete spray). They deliver higher vertical pumping force.

Core Applications

• Interior Walls & Ceilings: Rapid application of wall putty, latex paint, real stone paint and sound-absorbing plaster.
• Exterior Insulation & Protection: Even spraying of dry-mix mortar, polymer insulation slurry and anti-UV coatings.
• Civil Infrastructure: Grouting for bridge supports, tunnel linings, slope stabilization and basement waterproofing.
• Specialized Protective Coatings: Fireproof coating application on structural steel and chemical warehouse protection.

Spray Plaster Machine Parameters
Model | YG-311 | YG-511 | YG-711 | YG-Diesel version
Voltage | 380V | 380V | 380V | /
Power | 4kw | 7.5kw | 3kw | 12 horsepower
Particles pass the diameter | ≤4mm | 3-4mm | / | ≤10mm
Pressure | 3MPa | 6MPa | 7.5MPa | 6MPa
Horizontal transport distance | 30m | 50m | 60m | 60m
Vertical transport height | 20m | 30m | 30m | 30m
Conveying flow | 60-80 square/hour | 80-100 square/hour | 80-100 square/hour | 100 square/hour
Machine size | 1750*450*800mm | / | 1600*500*700mm | 1800*580*950mm
Machine weight | 160kg | 350kg | 180kg | 280kg

Technical specifications

• Brand: YG Machinery
• Models: YG-311, YG-511, YG-711, YG-Diesel version
• Voltage: typically 380V for electric models
• Power: from 3kw to 7.5kw (electric) or 12 hp (diesel)
• Maximum particle size handled: up to ≤10mm (diesel); typical fine-mortar handling ≤4mm
• Maximum working pressure: up to 7.5MPa depending on model
• Transport distances: horizontal up to 60 m, vertical up to 30 m
• Conveying/output: from ~60 to 100+ square meters per hour depending on model and material
• Machine dimensions and weight vary by model (see parameters)
• Intended materials: putty, emulsion, acoustic materials, cement mortar, polymer slurries, fireproof coatings (water-soluble materials)