Silicone dust caps for dust-tight powder transfer

Achieve dust-tight containment and efficient powder transfer with flexible silicone caps, designed to fit seamlessly into your existing process equipment for enhanced safety and control during charging and discharging.

Ensures Dust-Tight Powder Transfer and Containment

The Uni-Cap and Uni-Cap+ from Hanningfield are silicone dust caps designed for effective dust-tight powder transfer and containment, integral to maintaining cleanliness and efficiency in production lines across the pharmaceutical, food and beverage, nuclear, chemical, cannabis, and nutraceutical industries. These systems use a flexible silicone rubber seal, allowing for the controlled charging and discharging of powders, reducing contamination and ensuring safety. Applications include sealing contacts for powdered pharmaceutical drugs, nutritional supplements, protein powders, and more. The Uni-Cap models offer compatibility with various stainless steel mounting rings, while the Uni-Cap+ ensures visibility with its transparent design. Both models meet stringent hygienic standards, are compliant with FDA regulations, and are available with customization options to meet specific operational needs. Easily retrofitted to existing equipment, these caps support both manual and batch operations, providing robust solutions for powder containment challenges.

Benefits

  • Enhances production safety with dust-tight sealing, preventing powder leaks and contamination.
  • Facilitates easy retrofitting and integration into existing systems, reducing installation costs.
  • Offers transparent design for real-time monitoring of process conditions and powder flow.
  • Ensures regulatory compliance with FDA-approved silicone material, suitable for strict hygiene standards.
  • Provides flexible sizing options and customization, optimizing fit for varied process equipment.

General


Applications
Nuclear,Nutraceuticals,Chemical,Food and beverage,Cannabis,Pharmaceuticals
End products
Protein powders,Nutritional supplements,Instant soup mixes,Beverage powders,Chemical reagents,Cannabis oil capsules,Nuclear fuel pellets,Powdered pharmaceutical drugs
Steps before
Grinding,Powder Transfer,Material Charging
Steps after
Dust Containment,Tablet Pressing,Process Sealing
Input ingredients
powders,tablets,granules
Output ingredients
contained powders,dust-tight output
Market info
Hanningfield Process Systems is known for manufacturing high-quality, customized process handling, and containment equipment for industries such as pharmaceutical, food, and chemical, specializing in milling, sieving, and powder handling solutions.

Technical Specifications


Diameter
60mm/2.5in - 460mm/18.1in
Wall Thickness
8mm - 12mm
Material Hardness
60 shore - 70,A shore
Max. Spigot Size
50mm - 410mm
FDA Compliance
FDA CFR 177.2600
USP Class VI
Yes
TSE/BSE Free
Yes
ADI Free
Yes
Phthalates Free
Yes
Material
Translucent Silicone
Material Options
EPDM,Colour Options

Operating Characteristics


Dust-tight transfer
Yes
Visibility
Fully transparent
Hygienic standards
Compliant
Retrofitting capability
Yes
Compatible with Tri-Clover connections
Yes
Seal consistency
Dust-tight
Traceability
Manufacture Batch ID embossing
Max. spigot size
Up to 410mm

Material Compatibility


Abrasion resistance
Yes
Biological compatibility
FDA compliant
Cleanability
CIP / SIP compatible
Corrosive resistance (e.g. acids)
Yes
Density/particle size
0.5–2.5 g/cm³ / 50–1000 µm


FDA materials
FDA CFR 177.2600

Physical Characteristics


Diameter
60mm to 460mm
Wall Thickness
8mm to 12mm
Material Hardness
60 to 70 shore
Height
32mm to 40mm
Max. Spigot Size
50mm to 410mm
Mounting Ring Outside Diameter
60mm to 400mm
Mounting Ring Height
50mm
Mounting Ring Wall Thickness
2mm
Standard Hole Sizes
80mm to 210mm
Material
Translucent Silicone

Custom Options


Material options
Translucent silicone,EPDM
Color options
Blue,other customizable colors
Size options
2.5″,5″,8″,10″,12″,16″
Tooling options
Custom tooling for unlisted sizes
Embossing options
Manufacture Batch ID for traceability
Mounting options
Tri Clover connections,IBC manways