PV 6241 Reflex Pneumatic recirculation control valve
Control valves for discharge / re-circulation used for water- or air-cooled condensers
With pneumatic actuators
ST 6135
ST 6160
With pneumatic actuators
ST 6135
ST 6160
General information
Brand:
RTK
Type:
Pump protection
Category
Valves > Control Valve
Markets
Industrial > Water & Wastewater
Industrial > Pulp & Paper
Industrial > Mining
Industrial > Chemical
Industrial > Food & Beverages
Industrial > Nuclear
Industrial > Petrochemical
Textile
Industrial > Heating and Cooling
Industrial > Industrial Boilers
Application
Control valves for discharge / re-circulation used for water- or air-cooled condensers
Product Design
Recirculation
Benefits
• Three-way design
• Kvs value adjustable in gate B
• Plug can be rotated 80°
• Vacuum-resistant on re-circulation side
• Re-circulation plug assy cavitation resistant
• Kvs value adjustable in gate B
• Plug can be rotated 80°
• Vacuum-resistant on re-circulation side
• Re-circulation plug assy cavitation resistant
Performance data
Technical data
Nominal diameter DN 50 … 150
Nominal pressure PN 16 … 40
Body materials EN-GJS-400-18-LT (max. PN 25)
GP240GH (max. PN 40)
GX5CrNiMo19-11-2 (max. PN 40)
Flanges According to DIN 2501; EN 1092-1 and EN 1092-2 ; Different langes on request
Stem packing Chevron rings PTFE-graphite (max. +250 °C)
Stufing box pure graphite (max. +530 °C medium dependent)
With "TA-Luft" (MV 5341) (max. +400 °C)
Trim variations Diverting plug to control low / re-circulation (linear)
Stem + Seat 1.4571
Parabolic plug 1.4122
Perforated plug 1.4122, 1.4122 hardened
Other materials available on request
Seat leakage According to DIN EN 1349 ; Class IV (metal to metal)
Max. press / temp. According to DIN EN 1092
Approvals DGRL (CE), ATEX (für PV...), CCC
Nominal diameter DN 50 … 150
Nominal pressure PN 16 … 40
Body materials EN-GJS-400-18-LT (max. PN 25)
GP240GH (max. PN 40)
GX5CrNiMo19-11-2 (max. PN 40)
Flanges According to DIN 2501; EN 1092-1 and EN 1092-2 ; Different langes on request
Stem packing Chevron rings PTFE-graphite (max. +250 °C)
Stufing box pure graphite (max. +530 °C medium dependent)
With "TA-Luft" (MV 5341) (max. +400 °C)
Trim variations Diverting plug to control low / re-circulation (linear)
Stem + Seat 1.4571
Parabolic plug 1.4122
Perforated plug 1.4122, 1.4122 hardened
Other materials available on request
Seat leakage According to DIN EN 1349 ; Class IV (metal to metal)
Max. press / temp. According to DIN EN 1092
Approvals DGRL (CE), ATEX (für PV...), CCC
Other information
Stem packing: Chevron rings (max. +250 C)
Stufing box pure graphite (max. +530 C medium dependent)
With "TA-Luft" (MV 5341) (max. +400 C)
Trim variations: Diverting plug to control low / re-circulation (linear)
Stem + Seat 1.4571
Parabolic plug 1.4122
Perforated plug 1.4122, 1.4122 hardened
Other materials available on request
Seat leakage: According to DIN EN 1349 - Class IV (metal to metal)
Data
Design Standard
Design standard ANSI:
No
Design standard DIN:
Yes
Unit
Unit Metric:
Yes
Unit Imperial:
Yes
Temp
Max C°:
530.00
Max F°:
986.00
Pressure Rating
Pressure rating PN:
PN 16,
PN 25,
PN 40
Nominal size
Nominal Size [mm] (DN):
50,
65,
80,
100
Force
Force kN (elektric):
15,
22,
30
Rated travel
Rated Travel mm:
Max. 40 mm
Rated Travel Inch:
Max. 1,575 Inch
Housing
Housing Material:
EN-GJS-400-18-LT (max. PN 25),
GP240GH (max. PN 40),
GX5CrNiMo19-11-2(max. PN 40)
Housing Type:
Cast
Other data
Fluids:
Water
Auxiliary Energy (Actuation):
Pneumatic
Actuator:
Pneumatic
Stem packing:
Live Loaded,
V-Type
Fail-Safe Function:
On
Flanges:
According to DIN 2501,
EN 1092-1 and EN 1092-2,
Different langes on request
Certification:
DGRL (CE),
ATEX (fr PV...),
CCC