Brand

RTK

Type

Diaphragm

Category

Markets

Product Design

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

Options