Sand-blasting nozzles
Transcription
Sand-blasting nozzles
Sand-blasting nozzles made of silicon and tungsten carbides Sand-blasting Venturi nozzles are made of highstrength and wear-resistant composite materials based on silicon and tungsten carbides using the advanced high-capacity technology Owing to the new shape profile the attainable sand flow speed is increased to 720 km per hour that boosts the surface treatment capacity by 30 to 40 % compared to the direct-flow nozzles Sand-blasting nozzles by VIRIAL Ltd are designed for high-pressure sand-blasting machines The applications of our nozzles are: ? shipbuilding industry: surface cleaning before painting ? machinery building: cleaning and deburring of cast and welded parts ? oil and gas pipelines: surface cleaning before painting The choice of the right nozzle is guided by the following criteria: ? material (steel, concrete, etc.) and the configuration of the surface to be treated (flat surfaces or assembled structures made of tubes or profiled metal) ? current surface quality before treatment (corrosion, annealing, traces of old paint, etc.) ? material and particle size of the abrasive media ? quality of cleaning or surface cleanliness upon treatment (Sa3, Sa2½, Sa2, etc.) ? treatment environment (difficult or readily accessible surfaces) 3 ? air flow (m /h) Estimated useful life, hours Nozzle material Abrasive media Sleel balls Quartz sand Alumina Tungsten carbide 500 – 800 300 – 400 20 – 50 Silicon carbide 800 – 1200 500 – 800 50 – 100 Our experts will be happy to support you in making the correct selection of the nozzle for your application For large orders we offer quantity discounts Sand-blasting nozzles made of silicon and tungsten carbides Virial Ltd serially produces Venturi nozzles of the following dimension types: Critical Inlet Nozzle Conjunctive Draft ¹ diameter, diameter, length, mm thread mm (inch) mm (inch) Venturi nozzles, long 1 6,5 (1/4") 140 32 (1 ¼") 2-4 ½" U.N.C 2 8 (5/16") 150 32 (1 ¼") 2-4 ½" U.N.C 3 9,5 (3/8") 175 32 (1 ¼") 2-4 ½" U.N.C 4 11 (7/16") 205 32 (1 ¼") 2-4 ½" U.N.C 5 12,5 (1/2") 205 32 (1 ¼") 2-4 ½" U.N.C Venturi nozzles, short 6 6,5 (1/4") 85 26 (1") 2-4 ½" U.N.C 7 8,0 (5/16") 85 26 (1") 2-4 ½" U.N.C 8 9,5 (3/8") 85 26 (1") 2-4 ½" U.N.C It may be possible to produce nozzles of other dimensions according to customer`s drawings. 194156, RUSSIA,Saint-Petersburg, Engelsa 27 (Bldg. 143A), P.O. Box 52 Phone: +7 (812) 293-35-00, 294-25-83, Fax: +7 (812) 326-61-97 e-mail: info@virial.ru www.virial.ru