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AUTOMATION WITH PNEUMATIC ACTUATOR<br />
837 | 838 BRASS 3-WAY-BALL VALVE WITH PNEUMATIC ACTUATOR SERIES DW | FR<br />
TECHNICAL DATA Ball valve 837 T-PORT Pneumatic actuator DW DOUBLE ACTING TYPE | FR SINGLE ACTING TYPE<br />
Ball valve 838 L-PORT Body: Extruded aluminum alloy<br />
Body: Brass CW617N nickel plated End caps: Die cast aluminum RAL 5002 blue coated<br />
Body cap: Brass CW617N nickel plated Pinion [Drive shaft]: Steel alloy nickel plated<br />
End connection: Threaded ends acc. to DIN <strong>EN</strong> 10226-1 Piston | Rack: Die cast aluminum anodized<br />
Ball: Brass CW614N chrome plated Piston | Pinion seals: NBR<br />
Ball seat: PTFE sealed on all ports Rotation | Stroke: 90° | ±5° from 90° position adjustable<br />
Stem: Brass CW614N nickel plated Number of springs [FR] 12 pieces [6 per side]<br />
Stem packing: PTFE | 2-fold FKM Actuator connection: Acc. to DIN <strong>EN</strong> 5211<br />
Actuator connection: Acc. to DIN <strong>EN</strong> 5211 Control medium: Filtered and lubricated air [Pneurop/ISO class 4]<br />
Medium temperature: -20°C up to +160°C pressure dependent Temperature range: -20°C up to +80°C<br />
Pressure rating: Max. 30 bar temperature dependent Pilot pressure: Designed for 6 bar<br />
Torque max.:<br />
See the table below<br />
ISO-Flange acc. to DIN ISO 5211<br />
Pressure rating up to max. 16 bar<br />
Higher pressures on request.<br />
All measurements in millimeters.<br />
Flow patterns of T-Port and L-Port can be found on page 174.<br />
ITEM RP DN TORQUE A B C L<br />
DW02 0837 | 0838-03 3/8" 10 20 Nm 130 142 72 67<br />
DW02 0837 | 0838-04 1/2" 15 20 Nm 132 142 72 77<br />
DW02 0837 | 0838-05 3/4" 20 20 Nm 141 142 72 87<br />
DW03 0837 | 0838-06 1" 25 35 Nm 162 162 84 105<br />
DW03 0837 | 0838-07 1 1/4" 32 35 Nm 173 162 84 123<br />
DW04 0837 | 0838-08 1 1/2" 40 70 Nm 205 208 96 139<br />
DW05 0837 | 0838-09 2" 50 110 Nm 230 246 108 166<br />
ITEM RP DN TORQUE 0° | 90° A B C L<br />
FR01 0837 | 0838-03 3/8" 10 12 | 8 Nm 130 142 72 67<br />
FR02 0837 | 0838-04 1/2" 15 22 | 15 Nm 146 162 84 77<br />
FR03 0837 | 0838-05 3/4" 20 43 | 28 Nm 173 208 96 87<br />
FR04 0837 | 0838-06 1" 25 66 | 40 Nm 193 246 108 105<br />
FR04 0837 | 0838-07 1 1/4" 32 66 | 40 Nm 204 246 108 123<br />
FR06 0837 | 0838-08 1 1/2" 40 206 | 135 Nm 270 347 151 139<br />
FR06 0837 | 0838-09 2" 50 206 | 135 Nm 282 347 151 166<br />
132 AUTOMATION PNEUMATICALLY<br />
O TABLE OF CONT<strong>EN</strong>T
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