View Ralco’s range of flexible hose, flexible ducting hose, hose assemblies and hose couplings & clamps in this section. We offer hoses manufactured in a vast array of materials, in bore sizes from 3mm to 1000mm with different temperature and pressure ranges. Our hoses are also manufactured using the most up to date techniques, utilising the latest materials and conforming to the latest specifications.
Established in 1972, Ralco Tubings Ltd is an ISO 9001: 2015 approved supplier of industrial hose, flexible ducting hose and hose fittings. We also design and manufacture hose assemblies for air, water, fuel, chemical, steam, hot water, material handling and other applications.
Ralco are pleased to offer specifically designed hoses for each market we work in, whether that be a hose or a hose assembly. We understand that small technical changes in a product can make a fundamental difference in the suitability and life span during its intended use. This section details some of the markets we work in.
At Ralco we believe that offering a range of tailored services is essential in enhancing how we supply our range of flexible hose, flexible ducting hose and hose assemblies. Each of the services listed have been developed by working closely with our customers and listening to the requirements that they have or will have in future. Details of the service we provide can be found in this section.
Airduc PUR 355 AS Ducting
Part Number: Airduc PUR 355 AS Ducting
Applications: Antistatic polyurethane flexible ducting hose, heavy, microbe resistant, flame-resistant.
- For high throughput of abrasive powder, bulk material, granulate and for gases
- Plastic industry, conveying of granulates and powders: granulate conveying equipment, vacuum hopper/ conveyor, suction conveyor, dosing system, bulk-bag (big bag)-charging and discharging, shredder, mill, extruder, injection moulding machine
- Printed circuit board drilling machine (PCB)
- Powder spraying, powder coating: e.g. printing industry
- Offset printing machine: air supply, air supply cabinet
- Industrial vacuum cleaners, vacuum cleaners
- Explosion hazard area
- Agricultural industry, conveying of seed and fertilizers: seeding machine, seed drill, drilling machine
- Agricultural industry: pneumatic grain conveyer
- Construction industry, road milling machine
- Raw material conveying hose for powders, granulates, sand, quartz, gravel, shards and chips/ shavings
- Compressor, side channel blower, vacuum pump, pressure pump, pump
- Paper mill, paper and pulp industry, packaging machine: edge strip suctioning system/ edge trim exhaust systems
- Surface preparation: shot blasting/ sand blasting recovery e.g. at blasting chamber, ship yard, stripping machine, flooring preparation machine, grinding machine
- Municipal vehicle: sweeper, sweeping machine
- Municipal vehicle: lawn mower, slope mower, leaf blower/ leaf collector
- Vacuum lifting equipment, vacuum handling system
- Silos and tankers: silo charging, silo discharging
- Silo and tankers: conveying of wood pellets, plastic granulate, plastic powder
Properties:
- Heavy duty
- Highly abrasion resistant
- Increased pressure and vacuum resistance
- Microbe resistant
- Good resistance to oil, gasoline and chemicals
- Very good low temperature flexibility
- Flame-retardant according to: UL94-V2 & DIN 4102-B1
- Permanently antistatic wall: according to ISO 8031 electrical and surface resistance <109Ω (according to TRGS 727 <2,5*108Ω*m and NFPA 652 108-109 Ω)
- In accordance with ATEX 2014/34/EU (1999/92/EC) and German TRGS 727: pneumatic transport of flammable dusts and bulk materials (Zone 20, 21, 22 inside), aspiration of combustible dusts (Zone 22 inside),
- In accordance with ATEX 2014/34/EU (1999/92/EC) and German TRGS 727: for conveying for flammable liquids (inside zone 0, 1, 2), for conveying for non-flammable liquids, for use in zone 1 and 2 (gases), for use in zone 0 (gases)
- Conforms to the safety regulations of the German Wood Trade Association
- According to DIN 26057 Type 3
- Conforms to RoHS & REACH
Temperature Range: -40°C to 90°C, short time to 125°C
Design:
- AIRDUC profile hose
- Spring steel wire firmly embedded in wall
- Wall: permanently antistatic premium ester-polyurethane (Pre-PUR)
- Wall thickness 1,4 - 1,5 mm approx
