ST6175.B6-2S
Pneumatic actuators for control
and on/ off valves
• Actuating force max. 40 kN
• Spring closed or open
• Stroke max. 60 mm / 100mm
• Max air supply 6 bar
and on/ off valves
• Actuating force max. 40 kN
• Spring closed or open
• Stroke max. 60 mm / 100mm
• Max air supply 6 bar
General Information
Brand:
RTK
Type:
Diaphragm
Category
Actuators > Pneumatic
Markets
Industrial > Water & Wastewater
Industrial > Pulp & Paper
Paints & Colors
Industrial > Mining
Industrial > Chemical
Industrial > Food & Beverages
Industrial > Nuclear
Industrial > Petrochemical
FireFighting
Textile
Industrial > Heating and Cooling
Industrial > Industrial Boilers
Product Design
Linear Actuator
Performance data
Technical data
Type . .B6-2S .B6-3D .B6-5D .B6-7D .C6-3S .C6-3D .C6-5D .C6-7D
Diaphragm area 1000 cm² 1000 cm² 1000 cm² 1000 cm² 1000 cm² 1000 cm² 1000 cm² 1000 cm²
Spring range (bar) 0.3 … 0.9 0.7 … 2.1 1.2 … 3.4 1.6 … 4.7 0.5 … 1.4 0.8 … 2.1 1.4 … 3.4 1.9 … 4.7
Actuating force spring closed,
closed position 3 kN 7 kN 12 kN 16 kN 5 kN 8 kN 14 kN 19 kN
Actuating force spring open,
open position 40 kN 32 kN 21 kN 10 kN 38 kN 32 kN 21 kN 10 kN
Stroke 60 mm 60 mm 60 mm 60 mm 100 mm 100 mm 100 mm 100 mm
Operating pressure (bar) Min.1.1 Min. 2.3 Min. 3.6 Min. 4.9 Min. 1.6 Min. 2.3 Min. 3.6 Min. 4.9
Max. 6 Max. 6 Max. 6 Max. 6 Max. 6 Max. 6 Max. 6 Max. 6
Actuator volume 0.8 … 5.8 LN 0.8 … 9 LN
Ambient temperature -40 °C to +80 °C
Coating Acrylic
Weight 35 kg 37 kg 39 kg 41 kg 45 kg 48 kg 54 kg 60 kg
Connection 3/8'' NPT Female thread
Mounting position Any
Options
Handwheel Mounted on top
Limit switches Contact rating max. 6 A, 400 V
Protection IP 65
3 / 2 way solenoid valve 24 V DC, 24 V, 115 V, 230 V 50 / 60 Hz, EEx
Solenoid valve The safety function according to DIN EN 14597:2005-12 is only possible in combination
with a solenoid valve which fullills the requirements of the Mounted on top mentioned directive.
Positioners
SRP 981 0.2 … 1.0 bar max. 6 bar
SRI 990 4 – 20 mA 2-Wire
SR 6136 (Sipart) 4 – 20 mA 2 / 3 / 4-Wire
SR TZIDC 4 – 20 mA 2-Wire
SR 1000 L 4 – 20 mA 2-Wire
SR 3300 4 – 20 mA 2-Wire
Other options available on request
Important note The actuator needs in conjunction with the approval DIN EN 14597:2012-09 for failure free service, dry oil free instrument air
• Particle size 30 μm
• Pressure dewpoint +20 °C under ambient temperature
Type . .B6-2S .B6-3D .B6-5D .B6-7D .C6-3S .C6-3D .C6-5D .C6-7D
Diaphragm area 1000 cm² 1000 cm² 1000 cm² 1000 cm² 1000 cm² 1000 cm² 1000 cm² 1000 cm²
Spring range (bar) 0.3 … 0.9 0.7 … 2.1 1.2 … 3.4 1.6 … 4.7 0.5 … 1.4 0.8 … 2.1 1.4 … 3.4 1.9 … 4.7
Actuating force spring closed,
closed position 3 kN 7 kN 12 kN 16 kN 5 kN 8 kN 14 kN 19 kN
Actuating force spring open,
open position 40 kN 32 kN 21 kN 10 kN 38 kN 32 kN 21 kN 10 kN
Stroke 60 mm 60 mm 60 mm 60 mm 100 mm 100 mm 100 mm 100 mm
Operating pressure (bar) Min.1.1 Min. 2.3 Min. 3.6 Min. 4.9 Min. 1.6 Min. 2.3 Min. 3.6 Min. 4.9
Max. 6 Max. 6 Max. 6 Max. 6 Max. 6 Max. 6 Max. 6 Max. 6
Actuator volume 0.8 … 5.8 LN 0.8 … 9 LN
Ambient temperature -40 °C to +80 °C
Coating Acrylic
Weight 35 kg 37 kg 39 kg 41 kg 45 kg 48 kg 54 kg 60 kg
Connection 3/8'' NPT Female thread
Mounting position Any
Options
Handwheel Mounted on top
Limit switches Contact rating max. 6 A, 400 V
Protection IP 65
3 / 2 way solenoid valve 24 V DC, 24 V, 115 V, 230 V 50 / 60 Hz, EEx
Solenoid valve The safety function according to DIN EN 14597:2005-12 is only possible in combination
with a solenoid valve which fullills the requirements of the Mounted on top mentioned directive.
Positioners
SRP 981 0.2 … 1.0 bar max. 6 bar
SRI 990 4 – 20 mA 2-Wire
SR 6136 (Sipart) 4 – 20 mA 2 / 3 / 4-Wire
SR TZIDC 4 – 20 mA 2-Wire
SR 1000 L 4 – 20 mA 2-Wire
SR 3300 4 – 20 mA 2-Wire
Other options available on request
Important note The actuator needs in conjunction with the approval DIN EN 14597:2012-09 for failure free service, dry oil free instrument air
• Particle size 30 μm
• Pressure dewpoint +20 °C under ambient temperature
Options:
Handwheel - Mounted on top,
Limit switches -Contact rating max. 6 A, 400 V,
Protection IP 65
3 / 2-solenoid valve-24 V DC, 24 V, 115 V, 230 V 50 / 60 Hz, EEx,
The safety function according to DIN EN 14597:2005-12 is only possible in combination with a solenoid valve which fullills the requirements of the Mounted on top mentioned directive.
Positioners-SRP 981 - 0.2-1.0 bar- max. 6 bar,
SRI 990 - 4 – 20 mA 2-Wire,
SR 6136 (Sipart) -4 – 20 mA -2 / 3 / 4-Wire,
SR TZIDC- 4 – 20 mA-2-Wire,
SR 1000 L- 4 – 20 mA - 2-Wire,
SR 3300- 4 – 20 mA- 2-Wire,
Other options available on request
Data
Certifications
EX Certified:
Yes
NTRL (US and Canada):
No
Unit
Unit Metric:
Yes
Unit Imperial:
Yes
Temp
Max C°:
80.00
Max F°:
176.00
Min C°:
-40.00
Min Fº:
-104.00
Rated Travel
Rated Travel mm:
Max. 35 mm
Rated Travel Inch:
Max. 2,362 Inch
Operating Pressure
Operating pressure - Max (bar)
6.00
Operating pressure - Min (bar)
1.20
Ambient Temperature
Ambient Temperature Max
80ºC
Ambient Temperature Min
-40ºC
Other data
Actuator Motion:
Linear
Fail-Safe Function:
Actuator Stem retracts
Diaphragm Area
1000cm²
Coating:
Acrylic
Weight:
35.00kg
Connection:
¼" NPT Female thread
Stroke:
60
Mounting Position:
Any