WESA Catalogue 2024 EN

AUTOMATION WITH PNEUMATIC ACTUATOR
852 BRASS BALL VALVE WITH PNEUMATIC ACTUATOR SERIES DW | FR
TECHNICAL DATA Ball valve 852 Pneumatic actuator DW DOUBLE ACTING TYPE | FR SINGLE ACTING TYPE
Body: Brass CW617N chrome plated Body: Extruded aluminum alloy
Body cap: Brass CW617N chrome plated End caps: Die cast aluminum RAL 5002 blue coated
End connection: Threaded ends acc. to DIN EN 10226-1 Pinion [Drive shaft]: Steel alloy nickel plated
Ball: Brass CW617N chrome plated Piston | Rack: Die cast aluminum anodized
flushing hole Piston | Pinion seals: NBR
Ball seat: PTFE Rotation | Stroke: 90° | ±5° from 90° position adjustable
Stem: Brass CW617N chrome plated Number of springs [FR] 12 pieces [6 per side]
Stem packing: PTFE Actuator connection: Acc. to DIN EN 5211
Water temperature: 0°C up to 65°C pressure dependent Control medium: Filtered and lubricated air [Pneurop/ISO class 4]
Water pressure rating: Max. 10 bar temperature dependent Temperature range: -20°C up to +80°C
Pilot pressure:
Designed for 6 bar
Torque max.:
See the table below
DIN DVGW Drinking water approval
acc. to DIN EN 13828 | DVGW W570-1
Pressure rating up to max. 10 bar
All measurements in millimeters.
ITEM RP DN TORQUE A B C L
DW01 0852-03 3/8" 10 9 Nm 125 125 54 55
DW01 0852-04 1/2" 15 9 Nm 128 125 54 69
DW02 0852-05 3/4" 20 20 Nm 164 142 72 77
DW02 0852-06 1" 25 20 Nm 168 142 72 89
DW03 0852-07 1 1/4" 32 36 Nm 195 162 84 103
DW03 0852-08 1 1/2" 40 36 Nm 201 162 84 114
DW04 0852-09 2" 50 70 Nm 235 208 96 134
ITEM RP DN TORQUE 0° | 90° A B C L
FR01 0852-03 3/8" 10 12 | 8 Nm 149 142 72 55
FR01 0852-04 1/2" 15 12 | 8 Nm 152 142 72 69
FR02 0852-05 3/4" 20 22 | 15 Nm 177 162 84 16
FR02 0852-06 1" 25 22 | 15 Nm 181 162 84 89
FR03 0852-07 1 1/4" 32 43 | 28 Nm 212 208 96 103
FR03 0852-08 1 1/2" 40 43 | 28 Nm 213 208 96 114
FR04 0852-09 2" 50 66 | 40 Nm 244 246 108 134
O TABLE OF CONTENT
AUTOMATION PNEUMATICALLY
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