HV 6291-E Reflex Manual bottom blowdown
The bottom blowdown valve is operated by hand lever
The valve closes automatically when the lever is released
The valve can be blocked in the open position
The valve closes automatically when the lever is released
The valve can be blocked in the open position
General information
Brand:
RTK
Type:
Blowdown
Category
Valves > Shut-off Valve
Markets
Industrial > Water & Wastewater
Industrial > Pulp & Paper
Industrial > Nuclear
Industrial > Petrochemical
Industrial > Heating and Cooling
Industrial > Industrial Boilers
Application
Bottom blowdown valves for steam boilers
Product Design
Angle
Benefits
Bottom blowdown valves for steam boilers;
Maintenance free stem packing;Clear low through valve;Protection of stem packing by back sealing;Easy replacement of plug;Reduced susceptibility to water hammer due to bonnet having a smaller cross sectional area;Guided plug which reduces plug vibration;Supplied with high quality B7A grooved gaskets;
Maintenance free stem packing;Clear low through valve;Protection of stem packing by back sealing;Easy replacement of plug;Reduced susceptibility to water hammer due to bonnet having a smaller cross sectional area;Guided plug which reduces plug vibration;Supplied with high quality B7A grooved gaskets;
Performance data
Technical data
Two-way design Angle form
DIN ANSI DIN
Nominal diameter DN 20 … 65 NPS ¾ … 2 ½ DN 20 … 50
Nominal pressure PN 40 CL 300 PN 63 ... 160
Body material GP240GH SA 216 WCB GP240GH, Others on request
Stem packing Chevron rings (max. +250 °C) Chevron rings (max. +290 °C)
PTFE-graphite PTFE-graphite
Trim variations Shut-off plug Shut-off plug Stellited
Stem + Seat 1.4571 Stem+ Seat 1.4571 Stellited
Mounting position Any
Max. press / temp. According to DIN EN 1092 According to ASME B16.34
Options: Solenoid valve with control unit for bottom blowdown valve
Approvals DGRL (CE), ATEX (für PV...), CCC
Two-way design Angle form
DIN ANSI DIN
Nominal diameter DN 20 … 65 NPS ¾ … 2 ½ DN 20 … 50
Nominal pressure PN 40 CL 300 PN 63 ... 160
Body material GP240GH SA 216 WCB GP240GH, Others on request
Stem packing Chevron rings (max. +250 °C) Chevron rings (max. +290 °C)
PTFE-graphite PTFE-graphite
Trim variations Shut-off plug Shut-off plug Stellited
Stem + Seat 1.4571 Stem+ Seat 1.4571 Stellited
Mounting position Any
Max. press / temp. According to DIN EN 1092 According to ASME B16.34
Options: Solenoid valve with control unit for bottom blowdown valve
Approvals DGRL (CE), ATEX (für PV...), CCC
Other information
Stem packing: Chevron rings (max. +290 C)
PTFE-graphite
Trim variations: Shut-off plug
Stem + Seat 1.4571 Stellited
Data
Design Standard
Design standard ANSI:
No
Design standard DIN:
Yes
Unit
Unit Metric:
Yes
Unit Imperial:
Yes
Temp
Max C°:
250.00
Max F°:
482.00
Pressure Rating
Pressure rating PN:
PN 16,
PN 25,
PN 40,
PN 63,
PN 100,
PN 160
Nominal size
Nominal Size [mm] (DN):
20,
25,
32,
40,
50
Rated travel
Rated Travel mm:
Max. 20 mm
Rated Travel Inch:
Max. 787 Inch
Housing
Housing Material:
GP240GH,
Others on request
Housing Type:
Cast
Other data
Fluids:
Water
Auxiliary Energy (Actuation):
Hand drive
Actuator:
Hand drive
Stem packing:
Live Loaded,
V-Type
Fail-Safe Function:
Off
Flanges:
EN 1092-1,
ASME B16.5
Certification:
DGRL (CE),
ATEX (fr PV...),
CCC