FLEX CONNECTORS & DUST SOCKS

Dahnke Sales offers a complete line of standard and custom made flexible connectors.  Clear Poly Tubing & Gum Rubber Tubing in sizes from 3/8″ diameter to 26″ diameter with wall thicknesses of 1/8″, 3/16″ & 1/4″ .  Specialty tubing for chemical & heat resistance as well as custom made, food grade Rubber Coated Nylon (RCN) made to fit your specific application.

Call – 800-304-8864

Rubber Coated Nylon (RCN)

Fiber Content
Weight Permeability Temperature Range
Note
Neoprene w/Nylon backing 20 ounces/square yard 0CFM @.5″ water gauge 150° F contin.,
250° F Max
Very pliable soft rubber coated on a two-way stretch nylon backing. Popular uses include sifter sleeves, load-out and transfer sleeve, etc.

Custom RCN Flexible Connectors

Pictured above and below are custom made to order “RCN” (Rubber Coated Nylon) Flexible Connectors. These connectors connect two (2) different pieces of equipment together, typically a feed device to a SWECO Screener or the like. Customers may prefer to order a specific length of a certain diameter that is common throughout the plant and then cut it to size to fit their needs.

Rubber Coated Nylon/RCN Sleeve with embedded bungees top & bottom.

RCN Sleeve with built-in clamps.
RCN Connector with embedded clamps.

FDA Clear Poly Tubing – 3″ – 12″ Diameter

Clear Poly Tubing Specifications

Dahnke Sales offers clear polyurethane tubing sleeves with the following specifications:

  • Diameters from 3″ ID through 12″ ID available up to 50 ft. lengths
  • Thickness choice of .030″ or .060″
  • Complies with FDA regulations for direct food contact per CFR sections 175.105 and 177.2600.
  • Anti-Static Available
  • Hardness: 85 Shore A 
  • Tensile strength: 6000+ psi 
  • Temperature range: -40° to 180° F
  • Elastic shock cords &/or rings can be added to meet specific application demands.

In addition to the extruded sizes, non-standard diameters or tapered boots can be fabricated. They are built using the PerfectSplice. The splice is virtually invisible and no loss of material strength occurs in the process. The boots/tubing can be made in 30 or 60 mil wall thickness. The spliced boots are available with FDA food contact clearance and anti-stat as well.

Clear Polyurethane Tubing – all standard diameters.

Dust Socks

Dahnke Sales stock a wide array of dust socks from 3″ ID up to 8″ ID x 16″ tall. These socks are typically used to vent a hopper that may have a dusty powder. The socks are breathable, washable and very inexpensive.

  • 16 Oz Polyester felt
  • Needle felt construction
  • Mullen burst: 450 psi
  • Permeability: 25-40 CFM @ .5″ H2O
  • Max running Temp: 275°F
  • Melting Temp: 480°F
  • Filter Efficiency: 99% on particles > 10 Microns

GUM RUBBER TUBING

Dahnke Sales is a leading provider of seamless gum rubber sleeves for customers working within a wide spectrum of industries. Whatever your application, we can deliver premier gum tubing characterized by exceptional elongation, tensile, tear resistance and resilience. Our premium seamless rubber tubing has excellent low temperature flexibility and abrasion resistance. Useful in temperature ranges between -40º F and +180º F, gum rubber sleeves are commonly used within just about every noteworthy industry. 1-100 feet.

Gum Rubber Sleeves: Industries Used

  • AG Spray
  • Air
  • Chemical Transport
  • Composite Thermoforming
  • Chemical
  • Steam
  • Food Handling
  • Oil
  • HVAC Equipment
  • Fluids Handling
  • Water Purification Tubing
  • Material Handling
  • Water Suction and Discharge

Gum Rubber Sleeve Applications

  • Electronics Seals
  • Window and Architectural Seals
  • Food Processing Industry
  • Electrical Washers
  • Fluids Handling in Dairy Industry
  • Fiber-Optic Equipment
  • Water Purification Tubing
  • Electrical Connector Sheathes and Seals
  • Automotive Electrical Enclosures
  • HVAC Equipment
  • Military and Aerospace
  • Medical Equipment Seals Tubing
  • Peristaltic Tubing
  • High Voltage Insulation
  • Wastewater Sampling Tubing
  • Small Appliance Tubing
  • Chemical Transport
  • Composite Thermoforming

Diameters for gum rubber tubing range from 2”ID up to 30”ID with standard wall thicknesses of  1/8”, 3/16” & ¼”. Fabric or wire reinforcement can be added for applications that require pressure or vacuum rating.  Custom dimensions can be seamed to order.

Other materials include; 3A Dairy grade White Nitrile (BYNA-N), Viton & Silicone (hi-temp)

Dahnke Sales is a leading provider of seamless gum rubber sleeves for customers working within a wide spectrum of industries. Whatever your application, we can deliver premier gum tubing characterized by exceptional elongation, tensile, tear resistance and resilience. Our premium seamless rubber tubing has excellent low temperature flexibility and abrasion resistance. Useful in temperature ranges between -40º F and +180º F, gum rubber sleeves are commonly used within just about every noteworthy industry.

Gum Rubber Sleeves: Industries Used

  • AG Spray
  • Air
  • Chemical Transport
  • Composite Thermoforming
  • Chemical
  • Steam
  • Food Handling
  • Oil
  • HVAC Equipment
  • Fluids Handling
  • Water Purification Tubing
  • Material Handling
  • Water Suction and Discharge

Gum Rubber Sleeve Applications

  • Electronics Seals
  • Window and Architectural Seals
  • Food Processing Industry
  • Electrical Washers
  • Fluids Handling in Dairy Industry
  • Fiber-Optic Equipment
  • Water Purification Tubing
  • Electrical Connector Sheathes and Seals
  • Automotive Electrical Enclosures
  • HVAC Equipment
  • Military and Aerospace
  • Medical Equipment Seals Tubing
  • Peristaltic Tubing
  • High Voltage Insulation
  • Wastewater Sampling Tubing
  • Small Appliance Tubing
  • Chemical Transport
  • Composite Thermoforming

Diameters for gum rubber tubing range from 2”ID up to 30”ID with standard wall thicknesses of  1/8”, 3/16” & ¼”. Fabric or wire reinforcement can be added for applications that require pressure or vacuum rating.  Custom dimensions can be seamed to order.