EP 1010821 A1 20000621 - No-return valve for hydrants
Title (en)
No-return valve for hydrants
Title (de)
Rückflussverhinderer für Hydranten
Title (fr)
Clapet anti-retour pour bouche d'incendie
Publication
Application
Priority
EP 98124283 A 19981219
Abstract (en)
The flow preventer has a flange plate (12) for mounting between a jacket tube and a connection sleeve for the hydrant. The plate carries a nonreturn valve, which is enclosed in a housing (15) and screened at the top by a closure plate (27). The housing has a perforated plate cover (18) . A perforated plate cylinder (26) is coaxially mounted between plate and valve seat, defining a ring jacket chamber (19). The chamber opening above the closure part (20) of the valve is covered by the closure part.
Abstract (de)
Der vorgeschlagene Rückflußverhinderer ist zur Nachrüstung von vorhandenen Hydranten in der Weise gedacht, dass er mittels einer Flanschplatte (12) zwischen dem Mantelrohr (1) und der Anschlußmuffe (5) des Hydranten einspannbar ist und einen kartuschenartigen Einsatz (11) mit einem Rückschlagventil aufweist, dessen Schließelement nach oben durch eine Sperre (27) abgeschirmt ist. <IMAGE> <IMAGE>
IPC 1-7
IPC 8 full level
E03B 9/16 (2006.01)
CPC (source: EP)
E03B 9/16 (2013.01)
Citation (search report)
- [XA] FR 2548544 A1 19850111 - T J CLAPETS [FR]
- [A] US 5129416 A 19920714 - ACKROYD RAND H [US]
- [A] US 2605781 A 19520805 - SCHMID JOHN H, et al
- [A] DD 204279 A1 19831123 - BARBY HARALD, et al
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
DOCDB simple family (application)
EP 98124283 A 19981219