• Helix wire for full vacuum service.
• Tube Is 3/16′′ thick, abrasion resistant and static dissipating black rubber.
• Standard Length: 100 ft.
• Black cover is abrasion and weather resistant with distinctive blue brands.

• Distinctive black cover is abrasion and weather resistant. 3/32′′ thick.
• Black abrasion resistant and static dissipating rubber tube 3/16′′ thick.
• Folds flat for easy storage and handling.
• Standard Length: 100 ft.

• Designed for intermittent service to 350F°.
• Brown Bosblend (E.P.D.M.) tube and cover with distinctive branding for easy identification.
• Helix wire for full vacuum service and kink resistance.
• Standard Length:100 ft.

Heavy duty PVC food grade material handling hose for dry applications. Series WE has embedded grounding wire.

Features and Benefits:
• Clear PVC construction- complies with all applicable FDA and USDA requiremtents. Series WT complies with 3-A Sanitary standards.
• Allows visual confirmation that the material is flowing
• Embedded copper grounding wire SERIES WE ONLY- prevents the buildup of static electricity
• Smooth bore construction- Eliminates material build-up.
• Convoluted cover design- provides increased flexibility

General Applications:
• Pneumatic conveying systems for powder, pellets or granular materials.
• Paper mill vacuum lines (Series WE)
• Food Transfer Systems (Series WT)
• Poultry cleaning operations (Series WT)

NOTE: Pressure rating decreases as temperature increases.

Heavy duty polyurethane hose for liquid-oil or dry material applications

Features and Benefits
• Clear polyurethane construction - allows visual confirmation that material is flowing. Reinforced with a PVC rigid helix
• Smooth bore construction - eliminates material build-up
• Smooth cover - makes clamping easier

General Applications:
• Pneumatic conveying systems for pellets or granular materials
• Handles most fuels - gasoline, diesel, ethanol blends (up to E30), biodiesel (up to B100)
• Cold weather handling applications
• See the flow construction

Available in 1′′, 1-1/4′′, 1-1/2′′, 2′′, 2-1/2′′ and 3′′ ID′s.

Service Temperature Range -40 degrees F to 150 degrees F. Warning: Working Pressure rating decreases as temperature increases.

Flexible metal duct for air, fume, dust and lightweight material handling applications. Please call Customer Service at 1-800-876-5340 or e-mail us mail@dunhamrubber.com to discuss your application requirements.

Dunham Rubber supplies hose and ducting for special service applications. Check out UFD-SD static dissipative ducting available in 2′′ to 12′′ I.D. which is ideal for CLEAN ROOMS, GRAIN DUST COLLECTION, POWDER & FLOUR HANDLING. Also see Dura-Flex ′′D′′ series Heater/Defroster hose as well as series HTR Heater - Defroster - A/C hose. Raceflex hose availalble in 1-1/2′′ through 3′′ and custom to 8′′ inside diameter is designed for brake ducting & ventilation in race cars.  Please contact us at 1-800-876-5340 or e-mail us at mail@dunhamrubber.com to discuss your application requirements.

Fluoropolymer hose is excellent for chemical, pharmaceutical, food and beverage and other process handling applications.  Smoothbore hose offers non-stick and maximum flow rate capability.  Adding an outer EPDM Rubber cover to this hose seals the hose against dirt, chemicals or other external damage.  Fabric overbraid or polyester cord along with double helical wire offers tremendous strength and durability for a long lasting process hose.  A wide range of stainless steel fittings are available which include; Sanitary (Tri-clamp, I-Line and Bevel Seat), Flanged, JIC, NPT and Cam Lock and Fluoropolymer Encapsulation.  EPDM Smoothbore Fluropolymer hose is available in natural tube or black conductive (static dissipative) materials.

Material:

Hose wall: 100% pure polyester polyurethane.  30% more abrasion resistant than polyether polyurethane

Spiral: PU-coated spring steel wire

Applications include; suction and transport hose for abrasive materials, gaseous and liquid media, suction of paper and textile fibers, transport of small particled dusts and powders, oil-spray extraction, protection hose against mechanical pressure, transport hose for abrasive solids in fire risk areas, woodworking machines, exhaust equipment in woodworking industries, rear suction hose on small machines such as public utility cleansing and refuse collection vehicles, lawn mowers, lawn sweepers, leaf suction machines and feed transport.

Hose properties include; reinforced by spring steel spiral, extremely flexible, small bend radius, high tensile and burst strength, super lightweight, highly abrasion resistant, kink-proof, compressible down to 20%, solvents, oil and fuels-resistant, gas-tight, free of plastizisers and halogens, UV - and ozone resistant, smooth inside for optimum flow characteristics, electrically conductive by grounding spiral, microbe reistant and flame resistant

Material: 100% pure polyester polyurethane. 30% more abrasion-resistant than polyether polyurethane. Spiral: PU-coated spring steel wire.

Applications include; suction and transport hose for abrasive materials, gaseous and liquid media, transport of small particled dusts and powders, wet and dry process conveyance, pharmaceutical industry, food industry.

Properties include; excellent abrasion-resistant, resistant to oil and fuels, gas-tight, good chemical resistance, free of plastizisers and halogens, very flexible and lightweight, small bend radius, improved pressure and vacuum characteristics, high tensile and burst strength, smooth inside for optimum flow characteristics, electrically conductive by grounding wire, and hose wall (conform to FDA food contact as described in book 21, section 177.2600 and 177.1680).

Material:
Hose wall: thermoplastic elastomer.  Spiral: Spring steel wire.
Applications include; dust collection on woodworking equipment, fume extraction/welding arm, drying/plastics equipment, air systems including cooling-heating, light material handling, drain, robotic arm covers and general purpose applications.
Properties include; good chemical resistance to alkalis, acids and solvent gases, gas-tight, free of plastisizers, free of halogen, UV-and ozone-resistant, lightweight, extremely flexible, smooth inside for optimum flow characteristics, small bend radius and electrically conductive by grounding spiral.
Temperature Range: -60ºF up to +275ºF, intermittent to +300ºF

Material: Hose wall is pure polyurethane film, free from plasticizers.  External Helix of galvanized steel

Applications include; air conditioning/ventilation, extraction of abrasive media, grass collectors and lawn mowers, low pressure applications, light material handling and dust collection

Properties include; highly abrasion-resistant, good resistance to mechanical damage, good reistance to oil and gas vapors, improved vacuum characteristics, highly resilient, resistant to ageing, resistant to low temperatures, very flexible, extreme compressibility 1:6, small bend radius, external steel helix protects against abrasion, environmentally sound alternative to PVC, much higher temperature rating than PVC-hoses, and a special clamping method guarantees high tensile strength between hose material and external helix.

Temperature Range: -40ºF up to +195ºF, intermittent to +260ºF

Temperature Range: 10ºF to 160ºF. Construction:Clear polyvinylchloride reinforced with a polyvinylchloride helix. Standard Colors: Clear with black helix.  Standard Lengths: 25′ and 50′.  Size Range: 4′′ to 8′′

Features:
• Economical
• Crush resistant
• Smooth interior to minimize friction loss
• Helix provides added durability where the hose is being dragged
• Lightweight, durable and great bending characteristics
• Ideal for sawdust, fume removal, light duty material handling
• Screw on cuff available up to 4′′

Flex-Vest® Series hose is for high temperature air and certain material handling applications.

Features and Benefits:

• Inner layer; Double-ply silicone coated fiberglass fabric hose reinforced with a spring steel wire helix
• Outer layer; Single-ply neoprene coated polyester fabric hose reinforced with a spring steel wire helix
• Insulation; 1-inch fiberglass insulation (R Value=4)
• Insulated dryer hose
• Combines flexibility with minimal heat loss
• Suited for air handling applications at low positive and low negative pressures
• Good flexibility
• Excellent external abrasion and chemical resistance

Size Range (IN): 1′′ to 6′′ custom to 8′′

Standard Length (FT): 12′ custom to 25′

Standard Colors: iron oxide red inner layer; black outer layer

Temperature Range (ºF): -65º to 550º inner layer; intermittent to 600º

                                      -40º to 250º outer layer

Available in sizes 1-1/2′′ through 12′′ ID in standard 20′ lengths. Highly flexible and permits full airflow, even w/ 90 degree bends. Wire-reinforced polypropylene construction allows hose to maintain its shape. Joining two pieces of Extendo-Duct is easy. Just twist the end of one hose into the end of another. No fittings, menders, or couplings needed. Inert polypropylene material produces no off-gassing and is resistant to a wide variety of chemical fumes, making Extendo-Duct ideal for clean room and chemical fume exhaust applications. Extendo-Duct is suitable for use in temperatures ranging from -4 degrees F to 175 degrees F. Applications Include: Ducting for air-conditioning, spot cooling and heating systems. Room air exhaust conveying and ventilation. Dust collection. Fume Removal. OEM equipment applications.