Wilden · Advanced Series · Plastic diaphragm pump
PS400
The PS400 is a plastic diaphragm pump from Wilden, part of the Advanced Series. Up to 458 l/min, max. 8.6 bar, solids up to 6.4 mm, 1-1/2″ fluid connection.
Key data
- Max. capacity
- 458l/min
- Max. pressure
- 8.6bar
- Max. particle size
- 6.4mm
- Fluid connection
- 1-1/2″
Plastic 1 of 2
Specifications
Max. capacity 458 l/min
Max. pressure 8.6 bar
Max. particle size 6.4 mm
Max. temperature 177 °C
- Max. compressed air pressure
- 8.6 bar
- Air connection
- 3/4″ FNPT
- Fluid connections
- 38 mm (1-1/2″), DIN/ANSI (flanged)
- Membranes
- PTFE, Wil-Flex™, Saniflex™, Buna-N, Geolast®, FKM, EPDM, Sanitary Wil-Flex™, Neoprene
- Diaphragm materials
- PTFE, Wil-Flex™, Saniflex™, Buna-N, Geolast®, Viton®, EPDM, Sanitary Wil-Flex™, Neoprene
- Brand and series
- Wilden · Advanced Series
Temperature range by elastomer
- Buna-N
- -12 °C to 82 °C
- EPDM
- -51 °C to 138 °C
- FKM
- -40 °C to 177 °C
- Geolast®
- -40 °C to 82 °C
- Neoprene
- -18 °C to 93 °C
- PTFE
- 4 °C to 104 °C
- Polyurethane
- -12 °C to 66 °C
- Saniflex™
- -29 °C to 104 °C
- Wil-Flex™
- -40 °C to 107 °C
Weight by housing material
- Polypropylene
- 28 kg
- PVDF
- 32 kg
Configurations & kits
53 configurations. Search by the code on your nameplate, or pick your diaphragm.
PS400/PPPPP/ZGS/BN/KBNGeolast®, EZ-InstallWet kit04-9815-15-208
- Wet kit
- 04-9815-15-208
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13302
- Housing
- Polypropylene
- Balls / seats
- Buna-N / PVDF (Seat o-ring Buna-N)
- Connection
- ANSI
PS400/PPPPP/ZGS/BN/KBN/0504Geolast®, EZ-InstallWet kit04-9815-15-208
- Wet kit
- 04-9815-15-208
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13303
- Housing
- Polypropylene
- Balls / seats
- Buna-N / PVDF (Seat o-ring Buna-N)
- Connection
- DIN
PS400/KKPPP/TWS/TF/KTVFull-stroke PTFE w/ Wil-Flex™ back-upWet kit04-9815-55-201
- Wet kit
- 04-9815-55-201
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13316
- Housing
- PVDF
- Balls / seats
- PTFE / PVDF (Seat o-ring PTFE-encapsulated Viton®)
- Connection
- ANSI
PS400/KKPPP/TWS/TF/KTV/0504Full-stroke PTFE w/ Wil-Flex™ back-upWet kit04-9815-55-201
- Wet kit
- 04-9815-55-201
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13317
- Housing
- PVDF
- Balls / seats
- PTFE / PVDF (Seat o-ring PTFE-encapsulated Viton®)
- Connection
- DIN
PS400/KKPPP/ZGS/BN/KBNGeolast®, EZ-InstallWet kit04-9815-15-208
- Wet kit
- 04-9815-15-208
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13318
- Housing
- PVDF
- Balls / seats
- Buna-N / PVDF (Seat o-ring Buna-N)
- Connection
- ANSI
PS400/KKPPP/ZGS/BN/KBN/0504Geolast®, EZ-InstallWet kit04-9815-15-208
- Wet kit
- 04-9815-15-208
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13319
- Housing
- PVDF
- Balls / seats
- Buna-N / PVDF (Seat o-ring Buna-N)
- Connection
- DIN
PS400/KKPPP/ZWS/WF/KWFWil-Flex™, EZ-InstallWet kit04-9815-58-209
- Wet kit
- 04-9815-58-209
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13320
- Housing
- PVDF
- Balls / seats
- Wil-Flex™ / PVDF (Seat o-ring Wil-Flex™)
- Connection
- ANSI
PS400/KKPPP/ZWS/WF/KWF/0504Wil-Flex™, EZ-InstallWet kit04-9815-58-209
- Wet kit
- 04-9815-58-209
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13321
- Housing
- PVDF
- Balls / seats
- Wil-Flex™ / PVDF (Seat o-ring Wil-Flex™)
- Connection
- DIN
PS400/PPPPP/TWS/TF/PTVFull-stroke PTFE w/ Wil-Flex™ back-upWet kit04-9815-55-201
- Wet kit
- 04-9815-55-201
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13415
- Housing
- Polypropylene
- Balls / seats
- PTFE / Polypropylene (Seat o-ring PTFE-encapsulated Viton®)
- Connection
- ANSI
PS400/PPPPP/BNS/BN/PBNBuna-NWet kit04-9815-52
- Wet kit
- 04-9815-52
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13738
- Housing
- Polypropylene
- Balls / seats
- Buna-N / Polypropylene (Seat o-ring Buna-N)
- Connection
- ANSI
PS400/KKPPP/BNS/BN/KBNBuna-NWet kit04-9815-52
- Wet kit
- 04-9815-52
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13746
- Housing
- PVDF
- Balls / seats
- Buna-N / PVDF (Seat o-ring Buna-N)
- Connection
- ANSI
PS400/KKPPP/ZSS/FS/KTVSaniflex™, EZ-InstallWet kitParts separately
- Wet kit
- Parts separately
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13747
- Housing
- PVDF
- Balls / seats
- Saniflex™ / PVDF (Seat o-ring PTFE-encapsulated Viton®)
- Connection
- ANSI
PS400/PPPPP/TWS/TF/PTV/0504Full-stroke PTFE w/ Wil-Flex™ back-upWet kit04-9815-55-201
- Wet kit
- 04-9815-55-201
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13829
- Housing
- Polypropylene
- Balls / seats
- PTFE / Polypropylene (Seat o-ring PTFE-encapsulated Viton®)
- Connection
- DIN
PS400/PZPPP/WWL/WF/PWFFull-stroke Wil-Flex™, IPDWet kitParts separately
- Wet kit
- Parts separately
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-14113
- Housing
- Polypropylene
- Balls / seats
- Wil-Flex™ / Polypropylene (Seat o-ring Wil-Flex™)
- Connection
- ANSI
PS400/PPPPP/ZWS/WF/PWFWil-Flex™, EZ-InstallWet kit04-9815-58-209
- Wet kit
- 04-9815-58-209
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-14181
- Housing
- Polypropylene
- Balls / seats
- Wil-Flex™ / Polypropylene (Seat o-ring Wil-Flex™)
- Connection
- ANSI
PS400/PPPPP/ZWS/WF/PWF/0504Wil-Flex™, EZ-InstallWet kit04-9815-58-209
- Wet kit
- 04-9815-58-209
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-14206
- Housing
- Polypropylene
- Balls / seats
- Wil-Flex™ / Polypropylene (Seat o-ring Wil-Flex™)
- Connection
- DIN
PS400/KZPPP/WWL/WF/KWFFull-stroke Wil-Flex™, IPDWet kit04-9814-58-217
- Wet kit
- 04-9814-58-217
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-14312
- Housing
- PVDF
- Balls / seats
- Wil-Flex™ / PVDF (Seat o-ring Wil-Flex™)
- Connection
- ANSI
PS400/PZPPP/SSL/FS/PTVSaniflexWet kit04-9815-46-219
- Wet kit
- 04-9815-46-219
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-14336
- Housing
- Polypropylene
- Balls / seats
- Saniflex™ / Polypropylene (Seat o-ring PTFE-encapsulated Viton®)
- Connection
- ANSI
PS400/PZPPP/SSL/FS/PTV/0504SaniflexWet kit04-9815-46-219
- Wet kit
- 04-9815-46-219
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-14337
- Housing
- Polypropylene
- Balls / seats
- Saniflex™ / Polypropylene (Seat o-ring PTFE-encapsulated Viton®)
- Connection
- DIN
PS400/KZPPP/BLL/BN/KBNBunalastWet kit04-9815-15-229
- Wet kit
- 04-9815-15-229
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-14499
- Housing
- PVDF
- Balls / seats
- Buna-N / PVDF (Seat o-ring Buna-N)
- Connection
- ANSI
PS400/PPPPP/TWS/TF/KTVFull-stroke PTFE w/ Wil-Flex™ back-upWet kit04-9815-55-201
- Wet kit
- 04-9815-55-201
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13300
- Housing
- Polypropylene
- Balls / seats
- PTFE / PVDF (Seat o-ring PTFE-encapsulated Viton®)
PS400/PPPPP/TWS/TF/KTV/0504Full-stroke PTFE w/ Wil-Flex™ back-upWet kit04-9815-55-201
- Wet kit
- 04-9815-55-201
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13301
- Housing
- Polypropylene
- Balls / seats
- PTFE / PVDF (Seat o-ring PTFE-encapsulated Viton®)
PS400/PPPPP/ZWS/WF/KWFWil-Flex™, EZ-InstallWet kit04-9815-58-209
- Wet kit
- 04-9815-58-209
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13304
- Housing
- Polypropylene
- Balls / seats
- Wil-Flex™ / PVDF (Seat o-ring Wil-Flex™)
PS400/PPPPP/ZWS/WF/KWF/0504Wil-Flex™, EZ-InstallWet kit04-9815-58-209
- Wet kit
- 04-9815-58-209
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13305
- Housing
- Polypropylene
- Balls / seats
- Wil-Flex™ / PVDF (Seat o-ring Wil-Flex™)
PS400/PPPPP/VTS/VT/KTVViton®Wet kit04-9815-53
- Wet kit
- 04-9815-53
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13306
- Housing
- Polypropylene
- Balls / seats
- Viton® / PVDF (Seat o-ring PTFE-encapsulated Viton®)
PS400/KKPPP/VTS/VT/KTVViton®Wet kit04-9815-53
- Wet kit
- 04-9815-53
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13322
- Housing
- PVDF
- Balls / seats
- Viton® / PVDF (Seat o-ring PTFE-encapsulated Viton®)
PS400/KKPPP/TWS/TF/KTV/0502Full-stroke PTFE w/ Wil-Flex™ back-upWet kit04-9815-55-201
- Wet kit
- 04-9815-55-201
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13481
- Housing
- PVDF
- Balls / seats
- PTFE / PVDF (Seat o-ring PTFE-encapsulated Viton®)
PS400/PPPPP/ZWS/TF/PTVWil-Flex™, EZ-InstallWet kitParts separately
- Wet kit
- Parts separately
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13655
- Housing
- Polypropylene
- Balls / seats
- PTFE / Polypropylene (Seat o-ring PTFE-encapsulated Viton®)
PS400/PPPPP/ZSS/FS/PTVSaniflex™, EZ-InstallWet kit04-9815-56-209
- Wet kit
- 04-9815-56-209
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13740
- Housing
- Polypropylene
- Balls / seats
- Saniflex™ / Polypropylene (Seat o-ring PTFE-encapsulated Viton®)
PS400/PPPPP/FWS/WF/PWFSanitary Wil-Flex™, EZ-InstallWet kitParts separately
- Wet kit
- Parts separately
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13755
- Housing
- Polypropylene
- Balls / seats
- Wil-Flex™ / Polypropylene (Seat o-ring Wil-Flex™)
PS400/PPPPP/VTS/VT/PTVViton®Wet kit04-9815-53
- Wet kit
- 04-9815-53
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13763
- Housing
- Polypropylene
- Balls / seats
- Viton® / Polypropylene (Seat o-ring PTFE-encapsulated Viton®)
PS400/PPPPP/NES/NE/PBNNeopreneWet kit04-9815-51
- Wet kit
- 04-9815-51
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13771
- Housing
- Polypropylene
- Balls / seats
- Neoprene / Polypropylene (Seat o-ring Buna-N)
PS400/PPPPP/ZWS/EP/PWFWil-Flex™, EZ-InstallWet kitParts separately
- Wet kit
- Parts separately
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13787
- Housing
- Polypropylene
- Balls / seats
- EPDM / Polypropylene (Seat o-ring Wil-Flex™)
PS400/PPPPP/EPS/EP/PTVEPDMWet kit04-9815-54
- Wet kit
- 04-9815-54
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13815
- Housing
- Polypropylene
- Balls / seats
- EPDM / Polypropylene (Seat o-ring PTFE-encapsulated Viton®)
PS400/PPPPP/TSS/TF/PTV/0100Full-stroke PTFE w/ Saniflex™ back-upWet kit04-9815-55-202
- Wet kit
- 04-9815-55-202
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13938
- Housing
- Polypropylene
- Balls / seats
- PTFE / Polypropylene (Seat o-ring PTFE-encapsulated Viton®)
PS400/PPPPP/VTS/TF/PTV/0320Viton®Wet kitParts separately
- Wet kit
- Parts separately
- Air kit
- Not offered
- Filter regulator
- FR075
- Item no.
- 04-13946
- Housing
- Polypropylene
- Balls / seats
- PTFE / Polypropylene (Seat o-ring PTFE-encapsulated Viton®)
PS400/PPPPP/TWS/TF/PTV/0502Full-stroke PTFE w/ Wil-Flex™ back-upWet kit04-9815-55-201
- Wet kit
- 04-9815-55-201
- Air kit
- 04-9985-20
- Filter regulator
- FR075
- Item no.
- 04-13965
- Housing
- Polypropylene
- Balls / seats
- PTFE / Polypropylene (Seat o-ring PTFE-encapsulated Viton®)
PS400/PPPPP/EPS/TF/PTVEPDMWet kitParts separately
- Wet kit
- Parts separately
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-13973
- Housing
- Polypropylene
- Balls / seats
- PTFE / Polypropylene (Seat o-ring PTFE-encapsulated Viton®)
PS400/KKPPP/EPS/EP/KTVEPDMWet kit04-9815-54
- Wet kit
- 04-9815-54
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-14085
- Housing
- PVDF
- Balls / seats
- EPDM / PVDF (Seat o-ring PTFE-encapsulated Viton®)
PS400/PPPPP/TSS/TF/PTVFull-stroke PTFE w/ Saniflex™ back-upWet kit04-9815-55-202
- Wet kit
- 04-9815-55-202
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-14231
- Housing
- Polypropylene
- Balls / seats
- PTFE / Polypropylene (Seat o-ring PTFE-encapsulated Viton®)
PS400/PPPPP/NES/NE/PTVNeopreneWet kitParts separately
- Wet kit
- Parts separately
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-14288
- Housing
- Polypropylene
- Balls / seats
- Neoprene / Polypropylene (Seat o-ring PTFE-encapsulated Viton®)
PS400/PPPPP/TWS/TF/PTV/0690Full-stroke PTFE w/ Wil-Flex™ back-upWet kit04-9815-55-201
- Wet kit
- 04-9815-55-201
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-14563
- Housing
- Polypropylene
- Balls / seats
- PTFE / Polypropylene (Seat o-ring PTFE-encapsulated Viton®)
- Connection
- ANSI / DIN
PS400/PPPPP/TWS/TF/KTV/0690Full-stroke PTFE w/ Wil-Flex™ back-upWet kit04-9815-55-201
- Wet kit
- 04-9815-55-201
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-14564
- Housing
- Polypropylene
- Balls / seats
- PTFE / PVDF (Seat o-ring PTFE-encapsulated Viton®)
- Connection
- ANSI / DIN
PS400/PZPPP/WWL/WF/KWF/0690Full-stroke Wil-Flex™, IPDWet kit04-9815-58-217
- Wet kit
- 04-9815-58-217
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-14565
- Housing
- Polypropylene
- Balls / seats
- Wil-Flex™ / PVDF (Seat o-ring Wil-Flex™)
- Connection
- ANSI / DIN
PS400/PZPPP/WWL/WF/PWF/0690Full-stroke Wil-Flex™, IPDWet kit04-9815-58-217
- Wet kit
- 04-9815-58-217
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-14566
- Housing
- Polypropylene
- Balls / seats
- Wil-Flex™ / Polypropylene (Seat o-ring Wil-Flex™)
- Connection
- ANSI / DIN
PS400/KKPPP/TWS/TF/KTV/0690Full-stroke PTFE w/ Wil-Flex™ back-upWet kit04-9815-55-201
- Wet kit
- 04-9815-55-201
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-14567
- Housing
- PVDF
- Balls / seats
- PTFE / PVDF (Seat o-ring PTFE-encapsulated Viton®)
- Connection
- ANSI / DIN
PS400/PZPPP/SSL/FS/PTV/0690SaniflexWet kit04-9815-46-219
- Wet kit
- 04-9815-46-219
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-14568
- Housing
- Polypropylene
- Balls / seats
- Saniflex™ / Polypropylene (Seat o-ring PTFE-encapsulated Viton®)
- Connection
- ANSI / DIN
PS400/PPPPP/EPS/EP/PTV/0690EPDMWet kitParts separately
- Wet kit
- Parts separately
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-14569
- Housing
- Polypropylene
- Balls / seats
- EPDM / Polypropylene (Seat o-ring PTFE-encapsulated Viton®)
- Connection
- ANSI / DIN
PS400/PPPPP/FWS/WF/PWF/0690Sanitary Wil-Flex™, EZ-InstallWet kitParts separately
- Wet kit
- Parts separately
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-14570
- Housing
- Polypropylene
- Balls / seats
- Wil-Flex™ / Polypropylene (Seat o-ring Wil-Flex™)
- Connection
- ANSI / DIN
PS400/KZPPP/BLL/BN/KBN/0690BunalastWet kit04-9815-15-229
- Wet kit
- 04-9815-15-229
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-14571
- Housing
- PVDF
- Balls / seats
- Buna-N / PVDF (Seat o-ring Buna-N)
- Connection
- ANSI / DIN
PS400/KZPPP/SSL/FS/KTV/0690SaniflexWet kit04-9815-46-219
- Wet kit
- 04-9815-46-219
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-14572
- Housing
- PVDF
- Balls / seats
- Saniflex™ / PVDF (Seat o-ring PTFE-encapsulated Viton®)
- Connection
- ANSI / DIN
PS400/PZPPP/BLL/BN/PBN/0690BunalastWet kit04-9815-15-229
- Wet kit
- 04-9815-15-229
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-14573
- Housing
- Polypropylene
- Balls / seats
- Buna-N / Polypropylene (Seat o-ring Buna-N)
- Connection
- ANSI / DIN
PS400/PZPPP/SSL/FS/KTV/0690SaniflexWet kit04-9815-46-219
- Wet kit
- 04-9815-46-219
- Air kit
- 04-9994-20
- Filter regulator
- FR075
- Item no.
- 04-14574
- Housing
- Polypropylene
- Balls / seats
- Saniflex™ / PVDF (Seat o-ring PTFE-encapsulated Viton®)
- Connection
- ANSI / DIN
No version found. Check the code, or ask the Pompoloog.
Not sure which kit you need? We are happy to check.
Matching accessories
Air-treatment components in this pump's size — from filter regulator to dry-run protection.
-
00-FR 3/4Filter-regulator
- Connection
- G 3/4"
- Max. flow
- 15,000 l/min
- For pumps
- 3"
-
00-SSV 3/4Slow start valve
- Connection
- G 3/4"
- Max. flow
- 16,000 l/min
- For pumps
- 3"
-
00-AUV 3/4On/off 3/2-valve (manual)
- Connection
- G 3/4"
- Max. flow
- 30,000 l/min
- For pumps
- 3"
-
00-AUV 24V 3/4On/off 3/2-valve (electrically)
- Connection
- G 3/4"
- Max. flow
- 14,000 l/min
- For pumps
- 3"
Questions about the PS400?
-
How much can the PS400 pump?
The PS400 pumps up to 458 l/min.
-
What is the maximum pressure of the PS400?
The maximum pressure of the PS400 is 8.6 bar.
-
Can the PS400 pump liquids with solids?
Yes. The PS400 handles solids up to 6.4 mm.
-
What fluid temperature can the PS400 handle?
The PS400 handles fluids up to 177 °C.
-
Which diaphragm materials are available for the PS400?
The PS400 is available with these diaphragm materials: PTFE, Wil-Flex, Saniflex, Buna-N, Geolast, Viton®, EPDM, Neopreen.
-
What connections does the PS400 have?
The PS400 has a 3/4″ FNPT air connection and a 38 mm (1-1/2″) fluid connection.
-
Is the PS400 air-operated or electric?
The PS400 is air-operated: it runs on compressed air and needs no electrical connection.
