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Surge Hopper
Surge Hopper with two Spigots
Surge Hopper with two Spigots
surge hopper_2_300px

Venting Surge Hopper

A partitioned, transparent hopper that provides airflow to prevent bridging while allowing full product flow visibility and access.

Product Description

The Venting Surge Hopper is an angled, tapered connector with an internal partition that allows powder to flow in on one side and displaced air to flow up and out the other.

Unlike steel hoppers where you have to open an inspection hatch to see if bridging is occurring inside, the transparency of the Seeflex 040E material gives visibility of product flow.  Its flexible walls are malleable, meaning bridging can often be easily freed up simply by massaging the side of the hopper.

The hopper is designed to fit into a special Surge Hopper Spigot (on the lower end) that features a weir plate to match the angle of the connector partition. 

Application(s):

  • As an intermediary hopper above a rotary valve or bag-loading head.
  • Ideal for 'sticky' products that are prone to bridging.
  • Processes that require regular cleaning. (fast and easy to remove and replace)

Key Features

Flow of Product & Air

Internal partition separates product & airflow

Visibility

Transparent to let you see if bridging occurs

Removal

Easy to remove for cleaning processes

Flexible walls

Flexible walls allows easy freeing of bridging

Conditions and Compliance

  • Vibration
  • Dust-tight
  • Food safety
  • ATEX

Documents for Download

Specifications Sheet

Product Options

Tool Release in action

Tool Release

For added security, this option has a significantly firmer snap-band that makes it virtually impossible to remove by hand and requires a specially shaped tool.

More Details

Specifications

Physical Properties
  • Material/Fibre
    Seeflex 040E - Ether-based thermoplastic polyurethane
  • Colour
    Transparent
  • Construction/Finish
    Gloss/Gloss
  • Wall Thickness (+/-10%)
    0.9mm/1/32 inch
  • Hardness (Shore A)
    90
  • Tensile Strength (MPa)
    40
  • Elongation (100%)
    8
  • Elongation (300%)
    15.6
  • Ultimate Elongation
    593
  • Tear Strength - Die C (N)
    67
  • 100% Modulus (MPa)
    8
  • Dust tight?
    Yes
Operating Conditions
  • Max Operating Temp
    110°C / 230°F
  • Operating Temp Range
    - 25 to 110°C / - 13 to 230°F
  • Surge Temp
    120ºC / 248ºF
  • Low Temp/Flexibility
    Good
  • Surface Resistivity (0hms)*
    1010 (Tested to ASTMD-257)
  • Air Permeability
    No
  • Max Operating Pressure
    0.34 bar / 5.0 PSI (for temp. to 90˚C / 195˚F measured on a static Ø200mm x 200mm long connector). We recommend using the shortest possible connector for applications where increased pressure and/or high temperature is expected.
  • Vibration
    Yes
  • Oscillation
    No
  • Compression
    No
Certification and Compliance
  • FDA and USDA
    Yes
  • 3A Certified
    Manufactured from 3A 20-27 certified Seeflex Material and the BFM® cuff and spigot system is a 3A certified 63-04 sanitary fitting.
  • EU Approved
    Yes
  • Atex-certified
    Yes
Dimensions
  • Available Diameters
    Diameter 1 (Inlet (wider) end):   Ø250mm (10") to 1,000mm (39½") in 50mm (2") increments
    Diameter 2 (Outlet (smaller) end):   Ø200mm (8"), Ø250mm (10"), Ø300mm (12"), Ø350mm (14")
  • Applicable Connector Lengths
    400mm- 1,000mm in 50mm increments (16” – 39½“ in 2” increments)

    Subject to minimum lengths based on differential between inlet & outlet diameters - refer to the 'Venting Surge Hopper - Minimum Lengths' table on the Product Spec Sheet.

     
Options
  • Available with SS Rings? (min. length for all is 150mm)
    No
  • Available with Plastic Rings? (min. length for all is 150mm)
    No
  • Available as Tool Release?
    Yes