ROTODOSER
Fine dosing
Rotodoser is the solution designed for accurate dosing. It consists of two concentric rotors of different volumes individually driven that determine the flow and dosage of the product. The main rotor guarantees a continuous product flow, while the secondary rotor guarantees a high precision dosage. Rotodoser by Sterivalves is a valve designed to guarantee high versatility, in fact rotors are also customizable.
Actuation: Outer rotor
Pneumatic actuator for feeding
Actuation: Inner rotor
Electric or pneumatic gearbox for fine dosing
Standard
Quick Release System
Body & Rotor material
Stainless steel EN 1.4404 (AISI 316L)*
Finish
Internal mirror polish Ra <0.5 μm
External sanding Ra <1.2 μm
NOMINAL DIAMETER
ND 100, 150, 200, 250, 300
Gasket material
Translucid silicone, white EPDM, conductive EPDM, FKM (Viton ®), PTFE
Body Material
Stainless Steel EN 1.4404 (AISI 316L)
Hastelloy® C22/C276
Low δ-ferrite Stainless Steel
Other types of stainless steel and resins available upon request
Gasket Material
Translucid silicone
White EPDM
FKM Viton ®
Inlet & Outlet Connections
Tri-clamp flange
SteriFlange with aseptic gasket
SteriFlange for Bayonet
*Available upon request
Body Style
Clamped body assembly
Motion Drive
Pneumatic actuator
Pneumatic motor
Electric motor
ATEX Rating
None
A = 1/2D, 1/2G
B = 1/3D, 1/3G
C = 2GD
D = 2/3GD
E = 3GD
Finish
Standard Internal Ra<0.5μm, External Ra<1.2μm
Electropolishing*
Welds: grounded and polished
Other finishing upon request
Control System
Inductive sensor switches
Position Cam
PLC Control Panel *
Certificates & Declarations
Material certificate EN 10204-3.1 for metallic parts
FDA 21 CFR 177.2600 or FDA 21 CFR 177.1550 for polymeric parts
Torque measurement test*
Traceability report *
Gas tightness test to EN12266-1, test P12*
Roughness test map *
USP class VI biocompatibility declaration*
CE declaration of incorporation as per Directive 2006/42/EC
Declaration BSE/TSE free for elastomers
Declaration Bisphenols/Phthalates free for elastomers*
ATEX 2014/34/EU *
SANITARY DESIGN
Our valves are designed for each component to interlock with one another perfectly, creating a gapless match, and preventing the product from storing within, therefore averting product cross-contamination.
From metal powder to the delivery of the final product, we trace and document all events associated with each part and component, to provide full traceability for all our products. This is particularly important in the pharmaceutical and food industry, to assure the quality of production lines and trace down possible issues to quickly intervene and solve related problems.
FULL TRACEABILITY
MODULAR SYSTEM
Easy assembly and disassembly
No-tool installation and assembly
Reduces risks of external contamination
Reduces cleaning time
