Shut-Off and Control Valve

RTK
THREE-WAY CONTROL VALVE

RTK Valve

Electric and Pneumatic Valve

RTK shut-off and control valve are used to control liquid, gas and vapor media.

Features
  • Optimum control by adjusted cone
  • Various cone designs
  • Two-way and three-way design
  • Motorized control valve for throttling
  • On-off plug, parabolic plug, perforated plug, V-port plug, Mixing-/ Diverting plug
RTK Series
Size RangeNPS 1/2" - 4" DN(15-100)
Max TempMax 797° F
Pressure RatingANSI Class 150 up to 900
MaterialOn Request
EndOn Request

RTK Shutt-off Valve

RTK Motorized Control Valve for Throttling

RTK selection of control valve takes place according to the operating conditions and the use of the control valve.

Spesification
  • Electric and pneumatic valve
  • Mixing and diverting of liquids and gases
  • On-off plug, parabolic plug, perforated plug, V-port plug, Mixing-/ Diverting plug
RTK Series
Size RangeNPS 1/2" - 6" DN (15-150)
SizeDN 15.400
Pressure RatingANSI Class 150 up to 900
MaterialCast Steel Body
EndButt Weld, Socket Weld, Ring Type Joint

RTK 
TWO WAY CONTROL VALVE

RTK Shutt-off Valve

Motorized Control Valve for Throttling

RTK selection of control valve takes place according to the operating conditions and the use of the control valve.

Size RangeNPS 1/2" - 6" DN (15-150)
Max TempMax 797° F
Pressure RatingANSI Class 150 up to 900
MaterialOn Request
EndButt Weld, Socket Weld, Ring Type Joint

RTK 
TWO WAY VALVE

RTK
MIXING VALVE

RTK Control Valve

Mixing and Diverting of Liquids and Gases.

RTK control valve engine valve for deceleration, mixing and distribution of liquid

Size Range1/4" - 2"
Max Temp-31° C / 816° F
Pressure RatingANSI Class 150 up to 600
MaterialForged Steel, other materials available
EndFlange

Actuators

RTK Electric Actuator

Electric and Pneumatic Actuator for Control and Shut/Off Valve.

RTK electric actuator for control and shut/off valve with brushless 24 VDC motor technology

Features
Size Range1/4" - 2"
Voltage220 v
OptionalPositioner 4-20 mA
MaterialForged Steel, other materials available
ConnectionsFlange End

RTK 
ACTUATORS

RTK Electric Actuator

Electric and Pneumatic Actuator for Control and Shut/Off Valve.

RTK electric actuator for control and shut/off valve with brushless 24 VDC motor technology

Features
Size Range1/4" - 2"
Max Temp-31° C / 816° F
Pressure RatingANSI Class 150 up to 600
MaterialForged Steel, other materials available
EndFlange

RTK 
ACTUATORS

RTK
PNEUMATIC ACTUATORS

RTK On/Off Valve

Electric Actuator for Modulating Control and Shut/off Valve

RTK pneumatic actuators for control and on/off valve. This system is also easily connected for remote monitoring

Features
  • Reversible direction of action
  • Pressure Reducer
  • Mounting of positioner with internal air supply
RTK Series
Size Range1/4" - 2"
Stroke max.60 mm
Max Air Supply6 bar
Actuating Force Max.10 kN
Applications PossibleC5-M Marine air resistant

RTK for Electric Actuators

RTK Valve Digital Positioner for Electric Actuators

RTK electronics of the controller contains electrostatically sensitive components. Static discharges are through to prevent appropriate.

Optional Accessories
  • Hydraulic system for fail-safe control
  • Process controller integrated in cover
  • Speeds individually pre-settable
  • Service / diagnostic function
  • Potentiometer
  • Auto initialisation function for easy adaption to the actuator/valve
  • Electric Actuator With integrated single loop PID controller
RTK Series
Size Range1/4" - 2"
RedriveBLDC- Controller
Pressure RatingANSI Class 150 up to 600
MaterialForged Steel, other materials available
EndThreaded or Socket Weld

RTK
ELECTRIC ACTUATORS

RTK Valve Option for Electric Actuators

RTK Valve Digital Positioner for Electric Actuators

RTK electronics of the controller contains electrostatically sensitive components. Static discharges are through to prevent appropriate.

Optional Accessories
  • Hydraulic system for fail-safe control
  • Bus system (Profibus DP, CANopen)
  • Process controller integrated in cover
  • Speeds individually pre-settable
  • Potentiometer
  • Electric Actuator With integrated single loop PID controller
RTK Series
Size Range1/4" - 2"
Max Temp-31° C / 816° F
Pressure RatingANSI Class 150 up to 600
MaterialForged Steel, other materials available
EndThreaded or Socket Weld

RTK
ELECTRIC ACTUATORS

RTK
ELECTRO

RTK Valve Option for Pneumatic Actuators

Electro-Pneumatic Positioner

RTK has invested in some highly sophisticated machinery so that we can easily accommodate the short valve, runs which are a core element of our business.

Features
  • Simple zero and span adjustments
  • LCD display
  • Auto-calibration
  • Pressure gauges as standard
  • PID parameters easily adjustable
RTK Series
Size Range1/4" - 2"
Voltage50 Hz
RatingClass 150 - 600
MaterialCast Steel Body
ConnectionsFlanged End

Manual Shut-off Valve and Strainer

RTK Manual Shut-off Valve With Bellows Seal

Manual Shut-off Valve for Water, Steam, Air, Thermal Oil

RTK Manual stop valve for water, steam, air, thermal oil and other neutral and non aggressive fluids up to 400°C.

Features
  • High seat tightness
  • External threaded spindle
  • Handwheel not increasing
Options
  • Flanges with groove
  • Locking device
RTK Series
SizeDN 15-200
RatingPN 16,25,40
Body MaterialEN-GJS-400-18-LT
Flangesform C acc. to DIN 2526
Cone TypeOn/off cone

RTK 
MANUAL SHUT-OFF VALVE

RTK Manual Shut-off Valve With Bellows Seal

Manual Shut-off Valve for Water, Steam, Air, Thermal Oil

RTK Manual stop valve for water, steam, air, thermal oil and other neutral and non aggressive fluids up to 400°C.

Features
  • High seat tightness
  • External threaded spindle
  • Handwheel not increasing
Options
  • Flanges with groove
  • Locking device
RTK Series
Size Range1/4" - 2"
Max Temp-31° C / 816° F
Pressure RatingANSI Class 150 up to 600
MaterialForged Steel, other materials available
EndThreaded or Socket Weld

RTK 
MANUAL SHUT-OFF VALVE

RTK
STRAINER

RTK Strainer

RTK Strainers Are Used to Protect Plants

Strainer to the protection of post-connected plants against impurities, suitable for water, steam, air, thermal oil and other neutral

Features
  • Screen made of stainless steel
  • Low emissions stem seal technology
  • Simple remove the screen for clean
Options
  • Flanges with groove
  • with screw plug for gauge connection
Series
Size Range1/4" - 2"
Body MaterialEN-GJS-500-7 (GGG 50
Mas Pressure/Tempacc. to DIN EN 1092
Temperature-10°C - 400°C
MaterialSee Parts list

Valve for Special Aplication

RTK Steam Pressure

Steam-Converting Valve Reducing The Steam Pressure

RTK Steam transforming valve are used to control the steam pressure (reduction) and its temperature (steam cooling).

Features
  • Low-noise perforated cone
  • Steam pressure reduction
  • Cooling in one unit
  • Water injection from below
  • Wide control range
  • Stellited seat
Series
SizeDN 40-250
RatingPN 16-100
Seat Leakageacc. DIN EN 1349
Body MaterialGP-240-GH, G17CrMo5-5
ApprovalsATEX

RTK 
VALVE STEAM CONVERTING

RTK Steam Pressure

Steam-Converting Valve Reducing The Steam Pressure

RTK Steam transforming valve are used to control the steam pressure (reduction) and its temperature (steam cooling).

Features
  • Low-noise perforated cone
  • Steam pressure reduction
  • Cooling in one unit
  • Water injection from below
  • Wide control range
  • Optimized control characteristic with adapted trim for steam and water
  • Stellited seat
Series
Size Range1/4" - 1-1/2"
Max Temp-31° C / 816° F
Pressure RatingANSI Class 150 up to 600
MaterialForged Steel, other materials available
EndThreaded or Socket Weld

RTK 
VALVE STEAM CONVERTING

RTK 
DESUPERHEATER

RTK Multi Nozzle Lancer Desuperheater

Simultaneously Cooling

RTK Valve Steam coolers of the PDK6X51 / MDK5X51 series are mounted on a mounting flange provided on site by the pipeline.

Features
  • Variable control characteristics
  • Precise steam temperature control
  • Higher operating temperature
  • No additional control valve is required
RTK Series
SizePN 16 bis 400
RatingClass 150 to 2500
Mounting Flanged SizeDN 50-100
Material CodeDIN 1.0460 / A105
Characteristic CodeLinier = LH

RTK For Water Injection

RTK Control Valve with Ferro Titanium Cone

RTK Electric and pneumatic control valve for water injection to steam-converting valve or liquids with high differential pressure

Features
  • Restitant materials for cone assembly
  • Optimum control by adjusted cone
  • Spindel packing at Chevron rings PTFE/graphite
RTK Series
SizeDN 15-50
RatingPN 16-160
Body MaterialGP-240-GH up to PN 160
FlangesConnection acc.to DIN 2501
Max-pressure / tempacc. to DIN EN 1092 (until PN 100) and DIN 2401 (PN 160)

RTK

CONTROL VALVE

RTK For Water Injection

RTK Control Valve with Ferro Titanium Cone

RTK Electric and pneumatic control valve for water injection to steam-converting valve or liquids with high differential pressure

Features
  • Restitant materials for cone assembly
  • Optimum control by adjusted cone
  • Spindel packing at Chevron rings PTFE/graphite
RTK Series
Size Range1/2" - 3"
Max Temp-31° C / 816° F
Pressure RatingANSI Class 150 up to 600
MaterialForged Steel, other materials available
EndFlange

RTK

CONTROL VALVE

RTK 
FLOW-CONTROL SILENCER

RTK Diffuser Silencer

RTK SL Type/A/B

RTK Flow-control silencer / expansion after control valve to reduce noise after choked flow of gases and vapours. In order to largely suppress cavitation / evaporation in liquid media and sound reduction.

Features
  • System of two to four throttle plates
  • Including pipe expansion
  • Supplied ready to fit including the connecting elements
  • Connection to pipe in DIN or ANSI
  • The noise level reduced
  • The noise reduction can be up to 25 dB (A)

The simple and robust construction allows for fast inspection and, when necessary, replacement after wear.

SizeDN 50-250
RatingPN 40-160
Max Pressure / Tempto DIN EN 1092; ASME B 16.34
MaterialP250GH
EndExtended Male Plain / Extended Male Thread x Female Thread / Female SW

RTK Two Way Design

Emergency Closing System for Motorized Valve

RTK Valve approved by German Technical Inspectorate as safety functional device for steam and water in heating systems. (Valid only with ST 6151-5)

Features
  • Adjustable closing time for ST 6152-1 automatic return to normal operation
  • Valve closes on loss of power
RTK Electric Series
Size Range1/2" - 2"
Spindle PackingChevron rings PTFE-graphite (max. 250°C)
Plug TypesV-port plug (linear)
Kvs ValueSee data sheet 5000-7010
EndButtweld

RTK
ELECTRIC CONTROL VALVE

RTK Two Way Design

Emergency Closing System for Motorized Valve

RTK Valve approved by German Technical Inspectorate as safety functional device for steam and water in heating systems. (Valid only with ST 6151-5)

Features
  • Adjustable closing time for ST 6152-1 automatic return to normal operation
  • Valve closes on loss of power
RTK Electric Series
Size Range1/2" - 2"
Max Temp-31° C / 816° F
Pressure RatingANSI Class 150 up to 600
MaterialForged Steel, other materials available
EndButtweld

RTK
ELECTRIC CONTROL VALVE

RTK
FEED-WATER CONTROL VALVE

RTK Valve With Re-Circulation Connection

Control Valve for Steam Boiler

RTK Valve electric actuator adjusts a hole cone and thus doses the feedwater quantity.

Features
  • Boiler-feed pump securely protected against falling below the minimum flow
  • Perforated cone for feed-water
  • Adjustable re-circulation flow
  • Feed-water control valve with spill back
  • Perforated plug for feed-water control
  • The mass flow through pump is constant
  • Flowrate spill back adjustable
RTK Series
SizeDN 25-80
RatingPN 16-40
Body Material1.0619
Spindle PackingChevron rings PTFE/graphite
EndExtended Male Plain / Extended Male Thread x Female Thread / Female SW

RTK Steam Boilers

Motorized Control Valve for Continuos Blow Down

RTK Valve is a compressed air or water pressure valve specifically designed to remove scale from the bottom of the boiler is (blowdown valve).

Features
  • Continuos two-way valve
  • Hardened plug and seat for low wear
  • Parabolic cone with linear characteristic for exact dosing of blow down flow rate
  • The opening of blowdown valve must be effected rapidly and completely
RTK Series
SizeDN 15, 20, 25, 40
RatingPN 40
Pressure RatingANSI Class 150 up to 600
Cone TypeParabolic Cone
EndButtweld

RTK
CONTINOUS BLOWDOWN

RTK Steam Boilers

Motorized Control Valve for Continuos Blow Down

RTK Valve is a compressed air or water pressure valve specifically designed to remove scale from the bottom of the boiler is (blowdown valve).

Features
  • Continuos two-way valve
  • Hardened plug and seat for low wear
  • Parabolic cone with linear characteristic for exact dosing of blow down flow rate
  • Continuos blow down with sample valve
RTK Series
Size Range1/2" - 2"
Max Temp-31° C / 816° F
Pressure RatingANSI Class 150 up to 600
MaterialForged Steel, other materials available
EndButtweld

RTK
CONTINOUS BLOWDOWN

RTK
BOTTOM BLOWDOWN

RTK Clear Flow Through Valve

Bottom Blowdown Valve for Boiler Vessels

RTK bottom blowdown valve for boiler vessels and protection of spindle packing by back sealing

Features
  • Maintenance free stem packing
  • Easy replacement of cone
  • Protection of stem packing by back sealing
Function
  • The valve closes automatically if the lever is led loose
  • The valve can be blocked in open position.
RTK Series
SizeDN 20-65
Cone Typeon/off Cone
Mounting PositionAny
Body MaterialGP 240GH
EndFemale NPT x Buttweld Reinforced Extended Body

RTK Valve For Re-Circulation Control

Air-cooled Condensers

RTK Valve adjusts a hole cone and thus doses the feedwater quantity. The actuator drive adjusts a cone fitting.

Features
  • Three-way design
  • Plug can be rotated 80°
  • Vacuum-resistant on circulation side
  • Re-circulation plug and cone assy cavitation resistant
  • Cone can be rotated 80°
RTK Series
Body MaterialGJS-400-18-LT up to PN 25
FlangesAccording ANSI RF (Raised Face)
Trim MaterialSpindel + Seat 1.4571
MaterialForged Steel, other materials available
EndFlange

RTK
VALVE FOR DISCHARGE

RTK Valve For Re-Circulation Control

Air-cooled Condensers

RTK Valve adjusts a hole cone and thus doses the feedwater quantity. The actuator drive adjusts a cone fitting.

Features
  • Three-way design
  • Plug can be rotated 80°
  • Vacuum-resistant on circulation side
  • Re-circulation plug and cone assy cavitation resistant
  • Cone can be rotated 80°
RTK Series
Size Range1/2" - 3"
Max Temp-31° C / 816° F
Pressure RatingANSI Class 150 up to 600
MaterialForged Steel, other materials available
EndFlange

RTK
VALVE FOR DISCHARGE

RTK
HEAVY DUTY CONTROL VALVE

RTK Heavy Duty Control Valve

All-Purpose Cage Guided Globe Control Valve

RTK Valve series is available with a multi-spring diaphragm actuator which delivers excellent control performance in a compact package.

Features
  • High flow capacities provide larger flow area, reduced body velocity
  • Balanced plug design provides smooth high pressure control
RTK Series
Size Range21/2" - 60"
Max Temp260° C / 500° F
Pressure RatingANSI Class 150, 300 & 600; also 6.9 bar /100 psi process rated model
MaterialCarbon steel, Stainless steel, Monel, Hastelloy C, and custom materials
EndMeets ISO-15848 and other emissions standards

Self Operated Valve

RTK Without Regulator Auxillary Energy

Simple Pressure and Temperature Controls

RTK Valve pressure reducing for controlling the down-stream pressure P2 applicable for liquids, steam and gases up to 350° C

Features
  • Flexible lip seat technology
  • Fire-tested & cryogenic designs
  • High cycle options
  • External Control Connection
  • Products as pressure holding parts
RTK Series
  • RTK DM 613
  • RTK DM 652
  • RTK DM 664
  • RTK DM 604
SizeDN 15-100
RatingPN 16-40
Body MaterialGX5CrNiMo19-11-2(1.4408)
OptionsSeat and Cone Stellited
ConePTFE

RTK
PRESSURE REGULATOR

RTK Without Regulator Auxillary Energy

Simple Pressure and Temperature Controls

RTK Valve pressure reducing for controlling the down-stream pressure P2 applicable for liquids, steam and gases up to 350° C

Features
  • Flexible lip seat technology
  • Fire-tested & cryogenic designs
  • High cycle options
  • External Control Connection
  • Products as pressure holding parts
RTK Series
  • RTK DM 613
  • RTK DM 652
  • RTK DM 664
  • RTK DM 604
Size Range1/2" - 2"
Max Temp-31° C / 816° F
Pressure RatingANSI Class 150 up to 600
MaterialForged Steel, other materials available
EndThreaded or Socket Weld

RTK
PRESSURE REGULATOR

RTK 
EXCESS PRESSURE REGULATOR

RTK For Simple Pressure and Temperature Control

Regulators

RTK Valve closes when the downstream pressure rises. Excess pressure regulators with external control connection.

Features
  • Single seat balanced
  • Control Connection Internal
  • Simple Installation
Options
  • External Control Connection
  • Pressure Regulator
  • Free of oil and greace for oxygen
  • Valve body with threaded connection
  • Regulators without auxillary energy for simple pressure and temperature controls
RTK Series
  • RTK UV 4.1
Size Range1/4" - 2"
SizeDN 20-100
Pressure RatingANSI Class 150 up to 600
MaterialForged Steel, other materials available
EndThreaded or Socket Weld

Sensor and Electric Component

RTK Resistance Thermometer

RTK Valve Electronic Measurement System

Measurement systems: Analogue technology, therefore suitable for nuclear facilities

Bar400°C
Transmitter4211
Pressure RatingANSI Class 150 up to 600
Indicator4061
Protection RatingIP 65

RTK 
SENSOR

RTK Resistance Thermometer

Electronic Measurement System

Measurement systems: Analogue technology, therefore suitable for nuclear facilities

Features
  • Electronic pressure-gauge station
  • Good temperature stability
  • Level transducer
RTK Series
Size Range1/4" - 2"
Max Temp-31° C / 816° F
Pressure RatingANSI Class 150 up to 600
MaterialForged Steel, other materials available
EndThreaded or Socket Weld

RTK 
SENSOR

RTK
ELECTRIC COMPONENT

RTK Electronic Switchgear

RTK Valve Digital Controller with PID Control

His controller has been designed with compliance to: Regulations on electrical apparatus (appliance, systems and installation)

Features
  • With integrated single loop PID controller
  • Digital controller
  • Analog controller
RTK Series
Power Consumption3VA Max
FeaturesNo sampling losses
InputsExternal set point
On requestInterface RS485
HousingIP00