HT-S-350 rotary valve - Safevent
ROTARY VALVE: TYPE HT-S-350
DESCRIPTION
SPECIFICATIONS

HT-250-S Rotary valves have all the positive features of the HT-250 inherited, but are also due to their more robust construction, suitable for harsh operating environments. In terms of overall dimensions and flange type S is compatible with the HT-250. These rotary valves are used as dust collection, and at the same time ‘air lock’ under dust filters and cyclones, but with the difference that it concerns higher pressure differences like in high vacuum systems (central vacuum systems).

 

Also, the height of the temperature or the processing of abrasive materials, may be a reason to choose the HT-250-S. As a ‘dosing unit’ these rotary valves are used under silos and bunkers. The HT-S series is suitable for a maximum capacity  of  25  m³  /  h  at  a  maximum  pressure  of  40,000  Pa  (0.4  bar).

 

Sectors  where  these  rotary  valves  are used:

  • Waste incineration
  • Building materials   industry
  • Grain processing industry
  • Paper and wood processing
  • industry plastic  recycling

The  embodiments  with  PU  rotor  blades  are  suitable  for  a  product  temperature  of  60°C,  the  embodiments  with  metal  rotor  blades  to  80°C  and  the  heat-resistant  versions  of  up  to  300°C.

 

HEAT RESISTANT VARIANT - HT-S-HB-250

The HT-S-250 is also available in an even more robust variant, called HT-S-HB-250, that is able to withstand temperatures up to 300°C. This variant has the same dimensions and specifications as the regular HT-S-250, except that it utilises an external heat resistant ball bearings, is painted in heat resistant silver paint and uses a chain coupling, instead of a flexible coupling in its drive unit.

SPECIFICATIONS FOR ROTARY VALVES TYPE HT-S-350 AND HT-S-HB-350

BODY AND COVERS Cast iron GG25
IN- AND OUTLET Ø = 340 mm
ROTOR CONSTRUCTION Open, with 8 chambers
DRIVE UNIT STANDARD TYPE HT-S-350
Direct, with flexible coupling and gearmotor SEW 0,37 kW
230/400V, 50 hz
IP55, iso B

HEAT RESISTANT TYPE HT-S-HB-350
Direct, with chain couling and gearmotor SEW 0,55 kW
230/400V, 50 Hz
IP55, iso B
ROTATION SPEED 32 rpm
FINISHING STANDARD TYPE HT-S-350
- In- and outlet painted in color RAL 3020 (red)
- Body, covers and motorconsole painted in color RAL 5009 (blue)
Other RAL colors available at surcharge

HEAT RESISTANT TYPE HT-S-HB-350
- In- and outlet painted in heat resistant silver paint
- Body, covers and motorconsole painted in heat resistant silver paint
SEALING Adjustable glandpackings
BEARINGS STANDARD TYPE HT-S-350
External maintenance-free ball bearings

HEAT RESISTANT TYPE HT-S-HB-350
External heat resistant ball bearing
MAX. OPERATING PRESSURE 40.000 Pa (4.000 mmWK)
TEMPERATURE  STANDARD TYPE HT-S-350
-15°C up 60°C (with stainless steel- and steel rotor: 80°C)

HEAT RESISTANT TYPE HT-S-HB-350
-15°C up to 300°C 
CAPACITY ca. 20 liter / rev (100% filling)

DIMENSIONS FOR TYPE HT-S-350 and TYPE HT-S-HB-350 ROTARY VALVE

 

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