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RTK Regeltechnik Kornwestheim
Bottom blowdown valves HV 6291/ PV 6291

Bottom blowdown valves HV 6291/ PV 6291

Product catalog summary

Series Overview:
The document details two series of bottom blowdown valves for boiler vessels: HV 6291 and PV 6291. These valves are designed for nominal diameters DN 20 to 65 and nominal pressure PN 40. They feature maintenance-free spindle packing, clear flow through the valve, and easy cone replacement.

Technical Specifications:
The valves are constructed from GP 240GH material with spindle packing made of PTFE/graphite, suitable for temperatures up to 250°C. The valves can be mounted in any position and adhere to DIN EN 1092 standards for maximum pressure and temperature.

Types and Options:
HV 6291 is manually operated, while PV 6291 includes a pneumatic actuator. An optional solenoid valve with a control unit is available for both models, compatible with 110V and 220V power supplies.

Functionality:
HV 6291 operates with a hand lever that automatically closes the valve when released, with an option to lock it open. PV 6291 requires an air supply not exceeding 6 bar for operation, ensuring rapid and complete opening.

Kvs Values:
The Kvs values for the valves range from 6.0 m³/h for DN 20 to 49.0 m³/h for DN 65, as detailed in Table 1.

Pneumatic Actuator Specifications:
The pneumatic actuator type ST 6135.B6-3G features a diaphragm area of 280 cm², a spring range of 0.9 to 1.4 bar, and a maximum operating pressure of 6 bar. It operates within an ambient temperature range of -20 to 80°C.

Spare Parts List:
The document includes a comprehensive spare parts list, detailing components such as the body, seat ring, cone assembly, spindle packing, and various seals and fasteners.

Catalog excerpts

Bottom blowdown valves HV 6291/ PV 6291-1

Abschlammventil Bottom blowdown valve Vanne d'extraction des boues 6702-7010 Baureihen Series Séries • HV 6291 • PV 6291 PV 6291 HV 6291 Abschlammventil für Dampfkessel Bottom blowdown valve for boiler vessels Vanne d'extraction pour chaudières à vapeur • • • • • • • • • • • • • • • • 01/2011 Nennweite DN 20...65, Nenndruck PN 40 Wartungsfreie Spindelabdichtung Freier Durchgang für Mediumströmung Schutz der Spindelabdichtung durch Rückdichtung im offenen Zustand Einfacher Tausch des Kegels • Nominal diameter DN 20...65 nominal pressure PN 40 maintenance free spindle packing clear flow through valve protection of spindle packing by back sealing easy replacement of cone • Diamètre nominal DN 20…65 Pression nominale PN 40 Garniture de tige sans entretien Passage direct pour écoulement du fluide Garniture de tige protégée par une étanchéité supplémentaire en cas d'ouverture Remplacement facile du clapet page 1

Open the catalog to page 1

Bottom blowdown valves HV 6291/ PV 6291-2

Abschlammventil Bottom blowdown valve Vannes d'extraction de boues Technische Daten 6702-7020 Technical data Caractéristiques techniques Nennweite: Nenndruck: DN 20...65 PN 40 Nominal diameter: Nominal pressure: DN 20..65 PN 40 Diamètre nominal Pression nominale DN 20…65 PN 40 Gehäuse- : GP 240GH Body materials: GP 240GH Matériaux du corps : GP 240GH Spindelabdichtung: Spindle packing chevron rings PTFE/graphite (max. 250°C) on / off cone Garniture tige Kegelart: Dachmanschetten PTFE/Kohle (bis 250 °C) Auf / Zu Kegel manchettes chevrons PTFE /graphite (jusqu'à 250°C maxi) clapet tout ou rien...

Open the catalog to page 2

Bottom blowdown valves HV 6291/ PV 6291-4

Abschlammventil Bottom blowdown valve Vannes d'extraction de boues 6702-7040 Ersatzteilliste / spare parts list /Liste de pièces détachées Pos 101 102 201 300 301 302 400 401 402 403 404 405 406 407 501 502 503 400 405 401 402 403 404 406 201 502 501 503 302 301 101 102 103 1.0619 1.4571/Stellit 1.0619 BVK... BVD... BVK... 1.4122 1.4571 CVSHHNGE CuZn 40 Pb 2 PTFE/Kohle 1.4301 1.4310 NBR Rg 7 1.4301 C 35 Y Ck 35 Yk Reingraphit FDIF... D Gehäuse Sitzring Deckel Kegelgruppe Kegelkopf Kegelspindel Spindelabdichtung Stopfring Dachmanschetten Scheibe Druckfeder Abstreifring Führungsring Distanzrohr...

Open the catalog to page 4

Bottom blowdown valves HV 6291/ PV 6291

Bottom blowdown valves HV 6291/ PV 6291

Catalog excerpts

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