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SPM Series Pin Mill

Fine grind, high standard uniformity, cryogenic grinding

SPM Series Pin Mill

  • Model
  • SPM series

The SPM series pin mill is an industrial ultrafine grinding device that reduces materials to micron-scale through impact, grinding, and shearing actions between a high-speed rotating pin rotor and stator. The grinding process operates at low temperatures, minimizing damage to heat-sensitive components. This makes it particularly effective in high-standard industries such as pharmaceuticals, food processing, and cosmetic R&D, effectively preventing issues like volatilization of active ingredients, flavor alteration, and compromised efficacy.

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Product Features

  • Pin plate features a screenless design with titanium alloy construction.
  • Single-action disc, machined as a single piece, achieves a linear speed of up to 150 m/s.
  • Its modular design enables easy disassembly and cleaning, while the polished cavity prevents material buildup.
  • The clamp connection design allows effortless separation of the cavity.
  • Garlock lip seal ensures convenient replacement.
  • The system supports cooling water, air, liquid nitrogen, or other refrigerants, and can be equipped with a hoist.
  • Adjustable height ensures optimal contact with materials.
  • The 316L material complies with GMP standards and meets the WlP and SlP requirements.
  • No external cables required, quick and safe cleaning with compact and elegant design.

Application

Application of Senieer equipment in pharmaceutical industry

Pharmaceutical

Application of Senieer equipment in nutraceutical industry

Nutraceutical

Application of Senieer equipment in food industry

Food

Application of Senieer equipment in chemical industry

Chemical

Application of Senieer equipment in cosmetic industry

Cosmetics

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Technical Parameters Of SPM Series Pin Mill

technical parameters of spm series pin mill

Pin Mill : Product Description

the compostion of pin mill
Twin-screw feeding system
feeding speed table

The twin-screw design is engineered for processing APIs with poor fluidity, including snowflake-like and flocculent materials. Under the action of the upper agitator, the material enters the screw’s central section, where it is fed in a steady rotation. Our twin-screw powder feeding system has been rigorously tested and demonstrates flawless performance in achieving stable linear feeding.

Crushing system
Crushing system

The stator and rotor pin disks, made of configurable titanium alloy (TC4), exhibit high strength and excellent corrosion resistance. The pin disks are fabricated from titanium alloy through integral machining.

filtering system
Filtering system

The anti-static mercerized fabric filter bag negative pressure generator accelerates material flow, enhances heat dissipation capacity, and effectively reduces material temperature rise.

control system
Control system
  • Explosion-proof touch screen
  • Three-level permission setting.
  • Powder feeding double screw speed setting and start-stop control, rotor pin disk speed setting and start-stop control
  • Automatic bag shaking setting and start-stop control
  • Liquid nitrogen system （optional）
Liquid nitrogen system （optional）
Liquid nitrogen system （optional）

Equipment temperature control measures:

  1. The equipment is equipped with a double-layer cooling system that simultaneously cools the shafting and crushing chamber.
  2. The device features a negative-pressure feeding design, where gas enters the equipment with the material for crushing, thereby reducing heat generation.
  3. It is fitted with explosion-proof temperature sensors.
  4. An optional liquid nitrogen system can be added, allowing temperature control between-80°C and room temperature in the working chamber.
pin mill machine

Current Product: SPM Series Pin Mill

The Pin mill, a widely used industrial ultrafine grinder, is highly favored in countries such as the UK, Australia, Paraguay, the US, and Germany for its outstanding grinding performance and uniform particle size distribution. Its unique interlayer cooling water system ensures efficient operation by effectively preventing overheating during prolonged use, maintaining the equipment in a stable and optimal temperature environment for continuous operation. Come and contact us.

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With 37 Years In Pharma Industry, Senieer® Is The Top Pharmaceutical Equipment Manufacturer And Supplier. From Concept To Completion, Senieer® Offers One-Stop Turnkey Projects Solutions,  completely meets your process As Per Your Specific Requirements. 

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