RVS Blow-Through Rotary Valves consist of a tubular cast iron or stainless steel casing, a horizontally mounted rotor with a certain number of oblique V-shaped cross section compartments, a drive unit and a casing cover at each end.


Two compartments at a time of the continuously turning rotor are filled up with material through the inlet at the top of the Rotary Valve. After less than half a turn the material falls through the bottom opening into an air stream passing through a pneumatic conveying pipeline connected with the bottom part of the Rotary Valve.


Performance and Technical Features:
• Available in ATEX zone 22 version
• Robust and compact design
• Rotor: integral with beveled blades, with scrapers (Viton®, Vulkolan, Teflon®)
• Fixed rotor speed: 10 / 20 / 30 r.p.m.
• Variable rotor speed: 4 ¿ 22 r.p.m.
• Rotor surface treatment: nickel plating, Teflon® coating, hardened blades
• Casing: cast iron or 304 / 316 stainles steel
• Casing surface treatment: nickel plating, Teflon® coating
• Drives: direct with gear motor, with variable speed gear motor, coaxial with chain transmission, bare shafted without drive
• Easy access to all internal mechanical parts

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Item #

H (mm)

I (mm)

J (mm)

K (mm)

L (mm)

M (mm)

N (mm)

P (mm)

RVS/C 05 N/A 335 N/A 61 N/A 55 N/A 130 N/A 270 N/A 400 N/A 80 N/A 28
RVS/C 10 N/A 339 N/A 64 N/A 54 N/A 129 N/A 280 N/A 455 N/A 58 N/A 28
RVS/C 15 N/A 399 N/A 74 N/A 69 N/A 153 N/A 323 N/A 504 N/A 76 N/A 32
RVS/C 20 N/A 447 N/A 96 N/A 88 N/A 160 N/A 362 N/A 592 N/A 93 N/A 32
RVS/C 35 N/A 530 N/A 118 N/A 105 N/A 185 N/A 430 N/A 732 N/A 112 N/A 40
RVS/C 80 N/A 677 N/A 150 N/A 128 N/A 240 N/A 600 N/A 1004 N/A 100 N/A 50
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