Friday, 13 December 2019

Rotating Screw Sampler PRV

The sampling equipment type PRV is used to obtain a product sample in a vertical fall without modifying its particle size distribution.

The product is sampled by the rotating spoon attached to the tip of the sampler, and is then conveyed inside a DN100 cylinder, into which is welded a steel spiral. A gear motor drives the rotation of the whole assembly. The sample is discharged at the end of the steel cylinder and falls on to an inclined steel plate, that contains a volumetric chamber. The sample is into the chamber and the excess is returned back into the process.


Technical Data :


  • Rectangular flange mounting

  • Abrasion resistant steel spoon with a 75 mm width's calibrated opening

  • Barrel made of a mild steel tube DN 100 with mild steel welded thread

  • Main drive shaft welded on to the barrel by a tripod

  • Drive shaft supported by 2 ball bearing assemblies in a cast iron body

  • Drive motor : a gear motor assembly power 0,12 KW under 400 volts three phase 50 Hz set up with anti rotation arm

  • Frame for easy installation with predrilled holes for assembly

  • DN 80 output tube for sample collection

Dimensions :

  • Maximum allowable temperature : 120°

  • Tube length : from 100 to 250 mm (depending on the exact location configuration

  • Weight : around 45 kg

  • Maximum particle size : 25 mm



June 5-6, 2019, Curitiba, Parana (Brazil) :

SEMTEC 6º Seminário Técnico da Indústria do Cimento e Cal


November 8-9, 2019, Antalya (Turkey):
TCMB Turkish Cement Manufacturer’s Association


3-6 May 2020, Vancouver (Canada) :

CIM Convention.



October 18-22, 2020, Cape Town (South Africa)

IMPC 2020(International Mineral Processing Congress).