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HomeProductsSilicone Dust Caps

Silicone Dust Caps

The Hanningfield Uni-Cap is a flexible silicone rubber seal which provides a cost-effective method for the dust-tight transfer or containment of powders.
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone dust caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone dust caps
Silicone Dust Caps
Silicone Dust Caps

Key Information

The Hanningfield Uni-Cap is a flexible silicone rubber seal which provides a cost-effective method for the dust-tight transfer or containment of powders.

The Uni-Cap+ is a fully transparent silicone dust cap.  The enhanced design offers excellent visibility combined with stringent hygienic standards.

Choose a Model Download Brochure
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone dust caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone dust caps
Silicone Dust Caps
Silicone Dust Caps

Technical Description

Design & Operation
A dust-tight seal can be made with the penetrating spigot by cutting a hole in the centre of the cap. This enables the contained charging of mills, tablet presses, vessels, drums / IBCs and almost any other item of process equipment where charging / discharging can produce dust. After the charging process is complete, the cap (with hole) can be replaced with a cap (without hole) to seal off the inlet.

Uni-Cap Sizes and Construction
Available in 2.5″, 5″, 8″, 8″ (Tri-Clover profile), 10″, 12″ and 16″, the Uni-Cap is designed to be compatible with our range of stainless steel mounting rings. This allows the cap to be easily fitted or retrofitted to any process.

As standard, the caps are manufactured from translucent silicone (FDA CFR 177.2600), although we can accommodate specific requirements for material (e.g. EPDM) or colour (e.g. blue) in dedicated batches to satisfy your application. We are also able to introduce new tooling for unlisted sizes upon request.

Uni-Cap+ Sizes and Construction
Available in 6 T/C, 8 T/C, 305mm, 460mm, the Uni-Cap+ is designed to be compatible with Tri Clover connections and IBC manways. This cap can also be easily fitted or retro-fitted to any process.

As standard, the dust caps are manufactured from silicone. This is transparent for excellent process visibility (to see powder flow or container fill level).

The silicone is platinum-cured and is compliant to FDA 177.2600. Classified as USP Class VI, the Uni-Cap+ is TSE/BSE Free, ADI Free and Phthalates Free.

We can also emboss the manufacture Batch ID onto silicone cap for full traceability. The Uni-Cap+ is made in Great Britain.

Standard Hole Sizes
While we can cut any size hole required, the standard hole sizes we offer are: 80mm, 125mm, 145mm, 175mm, 200mm and 210mm.

Specification

 
Diameter
Wall Thickness
Material Hardness
Part Number
Height
Max. Spigot Size
Mounting Ring Outside Diameter
Mounting Ring Height
Mounting Ring Wall Thickness
Mounting Ring Part Number
Uni-Cap 2.5″ (60mm)
Diameter
60mm/2.5in
Wall Thickness
8mm
Material Hardness
60 shore
Part Number
HPN005302
Height
33mm
Max. Spigot Size
50mm
Mounting Ring Outside Diameter
60mm
Mounting Ring Height
50mm
Mounting Ring Wall Thickness
2mm
Mounting Ring Part Number
HPN022271
Uni-Cap 5″ (127mm)
Diameter
127mm/5in
Wall Thickness
10mm
Material Hardness
60 shore
Part Number
HPN005304
Height
35mm
Max. Spigot Size
100mm
Mounting Ring Outside Diameter
127mm
Mounting Ring Height
50mm
Mounting Ring Wall Thickness
2mm
Mounting Ring Part Number
HPN022268
Uni-Cap 8″ (200mm)
Diameter
200mm/8in
Wall Thickness
10mm
Material Hardness
60 shore
Part Number
HPN005306
Height
40mm
Max. Spigot Size
150mm
Mounting Ring Outside Diameter
204mm
Mounting Ring Height
50mm
Mounting Ring Wall Thickness
2mm
Mounting Ring Part Number
HPN016724
Uni-Cap 10″ (250mm)
Diameter
250mm/10in
Wall Thickness
10mm
Material Hardness
60 shore
Part Number
HPN005311
Height
36mm
Max. Spigot Size
200mm
Mounting Ring Outside Diameter
250mm
Mounting Ring Height
50mm
Mounting Ring Wall Thickness
2mm
Mounting Ring Part Number
HPN020182
Uni-Cap 12″ (315mm)
Diameter
315mm/12in
Wall Thickness
9.5mm
Material Hardness
60 shore
Part Number
HPN005314
Height
32mm
Max. Spigot Size
265mm
Mounting Ring Outside Diameter
315mm
Mounting Ring Height
50mm
Mounting Ring Wall Thickness
2mm
Mounting Ring Part Number
HPN020119
Uni-Cap 16″ (400mm)
Diameter
400mm/16in
Wall Thickness
9.5mm
Material Hardness
60 shore
Part Number
HPN005317
Height
32mm
Max. Spigot Size
350mm
Mounting Ring Outside Diameter
400mm
Mounting Ring Height
50mm
Mounting Ring Wall Thickness
2mm
Mounting Ring Part Number
HPN020116
Uni-Cap+ 6 T/C
Diameter
152.4mm/6in
Wall Thickness
12mm
Material Hardness
70, A shore
Part Number
HPN026941
Height
32mm
Max. Spigot Size
410mm
Mounting Ring Outside Diameter
-
Mounting Ring Height
-
Mounting Ring Wall Thickness
-
Mounting Ring Part Number
-
Uni-Cap+ 8 T/C
Diameter
203.2mm/8in
Wall Thickness
10mm
Material Hardness
70, A shore
Part Number
HPN030172
Height
32mm
Max. Spigot Size
410mm
Mounting Ring Outside Diameter
-
Mounting Ring Height
-
Mounting Ring Wall Thickness
-
Mounting Ring Part Number
-
Uni-Cap+ 305mm
Diameter
305mm/12in
Wall Thickness
11mm
Material Hardness
70, A shore
Part Number
HPN025132
Height
32mm
Max. Spigot Size
410mm
Mounting Ring Outside Diameter
-
Mounting Ring Height
-
Mounting Ring Wall Thickness
-
Mounting Ring Part Number
-
Uni-Cap+ 460mm
Diameter
460mm/18.1in
Wall Thickness
10.5mm
Material Hardness
70, A shore
Part Number
HPN025126
Height
32mm
Max. Spigot Size
410mm
Mounting Ring Outside Diameter
-
Mounting Ring Height
-
Mounting Ring Wall Thickness
-
Mounting Ring Part Number
-
Standard Material
Translucent Silicone (FDA 21 CFR 177.2600)
Mounting Ring Standard Material
316L stainless steel (1.4404)

Typical Applications

Dust Tight Seal between Outlet and Inlet

Here the spigot of the outlet penetrates the undersized hole in the silicone cap, providing a dust tight seal.

Downloads

Silicone Dust Caps Brochure Brochure
Uni-Cap Brochure
Download

Choose a Model

Uni-Cap 2.5″ (60mm)

The cap is designed to fit onto the Uni-Cap 2.5″ Mounting Ring, enabling it to be fitted or retrofitted to any process.

Silicone Dust Caps

Uni-Cap 5″ (127mm)

The cap is designed to fit onto the Uni-Cap 5″ Mounting Ring, enabling it to be fitted or retrofitted to any process.

Silicone Dust Caps

Uni-Cap 8″ (200mm)

The cap is designed to fit onto the Uni-Cap 8″ Mounting Ring, enabling it to be fitted or retrofitted to any process.

Uni-Cap 10″ (250mm)

The cap is designed to fit onto the Uni-Cap 10″ Mounting Ring, enabling it to be fitted or retrofitted to any process.

Silicone Dust Caps

Uni-Cap 12″ (315mm)

The cap is designed to fit onto the Uni-Cap 12″ Mounting Ring, enabling it to be fitted or retrofitted to any process.

Silicone Dust Caps

Uni-Cap 16″ (400mm)

The cap is designed to fit onto the Uni-Cap 16″ Mounting Ring, enabling it to be fitted or retrofitted to any process.

Uni-Cap+ 6 T/C

Uni-Cap+ 6 T/C

The Uni-Cap+ is designed to be compatible with Tri Clover connections and IBC manways, enabling it to be easily fitted or retro-fitted to any process.

Uni-Cap+ 8 T/C

The Uni-Cap+ is designed to be compatible with Tri Clover connections and IBC manways, enabling it to be easily fitted or retro-fitted to any process.

Uni-Cap+ 305mm

The Uni-Cap+ is designed to be compatible with Tri Clover connections and IBC manways, enabling it to be easily fitted or retro-fitted to any process.

Uni-Cap+ 460mm

The Uni-Cap+ is designed to be compatible with Tri Clover connections and IBC manways, enabling it to be easily fitted or retro-fitted to any process.

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Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone Dust Caps
Silicone dust caps
Silicone Dust Caps
Silicone Dust Caps