Ridart 442S User manual

Overfill prevention devices
Mod. 442S
It’s a Safety Device in according with Directives ATEX 2014/34/EU, ISO EN 13616-1, Tec hnical Norm
Fire Prevention 41/256 31/10/2019, d.P.R. 10/520 19/03/1955 and subsequent amendments.
Valve is used to prevent any possible overfill during charging hazardous or dangerous fluids.
- Application: petrochemical, food, pharmaceutical & more.
- Valve opens and closes automatically.
- No residual liquid in pipe at the end of loading process.
- The operator cannot leave the pump during the refuelling process.
APPLICATION
- Standard model is for traditional fuel without additives.
-“PTFE” coated model is for special fuel, non-aggresive solvents or chemical
products.
-“SS” model is for aggressive solvents, acids or bases.
CHEMICAL SUITABILITY
DIMENSIONS
RIDART s.r.l. via Adua, 17 - 21045 Gazzada Schianno (VA) ITALY P.IVA/C.F. IT 01454770122
www.ridart.it [email protected] [phone]
Product Certification, Declaration of Conformity, User Manual and Testing on: www.ridart.it/support
The Data and Images are not binding. We reserve the right to make changes without notice. Pressure & Flow Tolerances ±20%.
* Flow and Turbolence should modify initial and final closure level by ±20%.
The best performances allowed by the new regulation:
- Max operational temperature 60°C.
- Max operational pressure 8 bar for pressure filling.
- Loading process needs operator supervisor.
ATTENTION
PART 442S AL 442S PTFE 442S SS
BODY ALUMINIUM AL + PTFE COATING STAINLESS STEEL
SCREWS STAINLESS STEEL
POPPET STAINLESS STEEL
SEALS TEFLON® + CARBON
FLOATING STAINLESS STEEL
SUPPORT STAINLESS STEEL
SPRING STAINLESS STEEL
PE HD + Cr SPUTTERING
CODE 442S-80 AL 442S-80 PTFE 442S-80 SS
II 1G c IIB T6
PRODUCT 442S-80 AL
INSTALLATION VERTICAL
THREAD A 3”F BSPP
THREAD B 3”F BSPP
HEIGHT BODY 215
INITIAL CLOSURE LEVEL* 180>50 mm below the valve top
FINAL CLOSURE LEVEL* 30 mm below the valve top
MIN FLOW l/min (230 mbar) 30 tested (60 norm requested)
MAX FLOW l/min (8 bar) 1000 tested (900 norm requested)

- Protection System is unidirectional and only for vertical installation.
- For correct installation follow the Directives and product User Manual.
- For custom application or maintenance write to: [email protected].
- Declaration of Conformity and User Manuals are available on: www.ridart.it/support.
Before proceeding with installation be sure that valve model is in compliance with local/national laws which regulate this specific
device in relation to tank capacity requirements, normally 90%. The overfill prevention valve is compatible with all commonly used
hydrocarbons. All pipes are BSP threaded.
RIDART s.r.l. via Adua, 17 - 21045 Gazzada Schianno (VA) ITALY P.IVA/C.F. IT 01454770122
www.ridart.it [email protected] [phone]
Product Certification, Declaration of Conformity, User Manual and Testing on: www.ridart.it/support
The Data and Images are not binding. We reserve the right to make changes without notice. Pressure & Flow Tolerances ±20%.
INSTALLATION
FUTURES
¨ Pumped filling
¨ Two stage positive shut-off
¨ Fast loading operation 1000 lt/min
¨ Remote or direct filling
¨ No risk of fire or fuel leaking
¨ Easy installation
MAINTENANCE
- Periodically check the device is necessary to remove possible dirty.
- The overfill prevention valve must be properly stored, handled and kept in good condition to prevent the entry of particles or the
deposit of dust in the moving parts
- Any maintenance activities must be carried out solely by specialized staff and acc ording to the procedures defined by the general
instruction manual .
- In case of tampering warranty expires and safety protection is not guaranteed.
YOU MAY ALSO BE INTERESTED IN:
CODE DESCRIPTION
442-80 AL Overfill prevention valve 3” Mod. 442
446-50 AL Overfill prevention valve 2” Mod. 446
442S-80 AL Overfill prevention valve horizzontal 3” Mod. 442OR
442B-100 AL Overfill prevention valve 4” Mod. 442
To choose the correct overfilling valve, scan QRcode and fill in the form: