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What are the possible causes of air blowing out from the exhaust port of an AV□000 series soft start-up valve when energized, and what can be done to remedy this?

For the AV2000-A: 1
For the AV3000-A: 4
For the AV4000-A: 7
For the AV5000-A: 10

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://smccatalog.partbuilder.smcpneumatics.com/support/faq/en-jp/?ca_id=combination-units&fa_id=10729

Valve - Soft Start-Up, AV2000/3000/4000/5000 Series

Low power consumption Soft Start-Up Valve AV2000/3000/4000/5000 Series.Features· Start-up valves for a low-speed air supply which gradually raises the initial pressure in an air system and for quick exhausting by cutting off the air supply.· Includes manually operated supply and exhaust functions.

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://inventory.partbuilder.smcpneumatics.com/vona2/detail/221006486076

SMC AV2000-N02-5DB-Z-A n, "VALVE

Series AV is a soft start up valve for low-speed air supply to gradually raise initial pressure in an air system and for quick exhaust by cutting off air supply.

https://www.smcpneumatics.com/AV2000-N02-5DB-Z-A.html

AV4000-F04-5DB-R-A

Body Size: 4000, Thread: G, Port Size: 1/2, Option: None, Voltage: 24 VDC, Lead Wire: Type D, DIN Terminal w/Connector, Surge Suppressor: None, Manual Override: Push-turn Locking Slotted Type, Flow Direction/Pressure Unit: Flow Direction: Right to Left

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://inventory.partbuilder.smcpneumatics.com/vona2/detail/332000158034/?HissuCode=AV4000-F04-5DB-R-A

AV4000-04B-5DB-R-A

Body Size: 4000, Thread: Rc, Port Size: 1/2, Option: w/Bracket, Voltage: 24 VDC, Lead Wire: Type D, DIN Terminal w/Connector, Surge Suppressor: None, Manual Override: Push-turn Locking Slotted Type, Flow Direction/Pressure Unit: Flow Direction: Right to Left

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://inventory.partbuilder.smcpneumatics.com/vona2/detail/332000158034/?HissuCode=AV4000-04B-5DB-R-A

AV4000-04-5DB-R-A

Body Size: 4000, Thread: Rc, Port Size: 04 (1/2), Option: None, Voltage: 5 (24 VDC), Lead Wire: D (Type D, DIN Terminal w/Connector), Surge Suppressor: None, Manual Override: B (Push-turn Locking Slotted Type), Flow Direction/Pressure Unit: R (Flow Direction: Right to Left)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/AV4000-04-5DB-R-A

AV4000-F04-5DB-R-A

Body Size: 4000, Thread: F (G), Port Size: 04 (1/2), Option: None, Voltage: 5 (24 VDC), Lead Wire: D (Type D, DIN Terminal w/Connector), Surge Suppressor: None, Manual Override: B (Push-turn Locking Slotted Type), Flow Direction/Pressure Unit: R (Flow Direction: Right to Left)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/AV4000-F04-5DB-R-A

AV3000-03-5DB-R-A

Body Size: 3000, Thread: Rc, Port Size: 03 (3/8), Option: None, Voltage: 5 (24 VDC), Lead Wire: D (Type D, DIN Terminal w/Connector), Surge Suppressor: None, Manual Override: B (Push-turn Locking Slotted Type), Flow Direction/Pressure Unit: R (Flow Direction: Right to Left)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/AV3000-03-5DB-R-A

AV4000-04B-5DB-R-A

Body Size: 4000, Thread: Rc, Port Size: 04 (1/2), Option: B (w/Bracket), Voltage: 5 (24 VDC), Lead Wire: D (Type D, DIN Terminal w/Connector), Surge Suppressor: None, Manual Override: B (Push-turn Locking Slotted Type), Flow Direction/Pressure Unit: R (Flow Direction: Right to Left)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/AV4000-04B-5DB-R-A

AV3000-03-5DB-R-A

Regulator Unit Combination: [Other FRL Combination Devices] Soft Start Up Valve, Port Size: Rc3/8, Filter Rating: 5μm, Compressed Air Quality: General Dry Air, Maximum Operating Pressure(MPa): 1, Case Material: [Resin] Polycarbonate Case, Case Guard: No, Exhaust Structure: Relief type, Flow Direction: [Reverse Flow (Right to Left)] Right to left, Drain Cock: [Not Provided] No, Pressure Gauge

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://inventory.partbuilder.smcpneumatics.com/vona2/detail/221006491522/?HissuCode=AV3000-03-5DB-R-A

AV4000-04-5DB-R-A

Regulator Unit Combination: [Other FRL Combination Devices] Soft Start Up Valve, Port Size: Rc1/2, Filter Rating: 5μm, Compressed Air Quality: General Dry Air, Maximum Operating Pressure(MPa): 1, Case Material: [Resin] Polycarbonate Case, Case Guard: Presence, Exhaust Structure: Relief type, Flow Direction: [Reverse Flow (Right to Left)] Right to left, Drain Cock: [Not Provided] No, Pressure

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://inventory.partbuilder.smcpneumatics.com/vona2/detail/221006491522/?HissuCode=AV4000-04-5DB-R-A

AV2000-F02BS-3YZB-R-A

Body Size: 2000, Thread: F (G), Port Size: 02 (1/4), Option: BS (w/Bracket, Silencer), Voltage: 3 [110 VAC (115 VAC)], Lead Wire: Y (Type Y, DIN Terminal w/Connector), Surge Suppressor: Z (with Light/Surge Voltage Suppressor), Manual Override: B (Push-turn Locking Slotted Type), Flow Direction/Pressure Unit: R (Flow Direction: Right to Left)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/AV2000-F02BS-3YZB-R-A

AV2000-F02B-3YZB-R-A

Body Size: 2000, Thread: F (G), Port Size: 02 (1/4), Option: B (w/Bracket), Voltage: 3 [110 VAC (115 VAC)], Lead Wire: Y (Type Y, DIN Terminal w/Connector), Surge Suppressor: Z (with Light/Surge Voltage Suppressor), Manual Override: B (Push-turn Locking Slotted Type), Flow Direction/Pressure Unit: R (Flow Direction: Right to Left)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/AV2000-F02B-3YZB-R-A

AV2000-F02-3YZB-R-A

Body Size: 2000, Thread: F (G), Port Size: 02 (1/4), Option: None, Voltage: 3 [110 VAC (115 VAC)], Lead Wire: Y (Type Y, DIN Terminal w/Connector), Surge Suppressor: Z (with Light/Surge Voltage Suppressor), Manual Override: B (Push-turn Locking Slotted Type), Flow Direction/Pressure Unit: R (Flow Direction: Right to Left)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/AV2000-F02-3YZB-R-A

AV2000-02-5DZB-R-A

Body Size: 2000, Thread: Rc, Port Size: 1/4, Option: None, Voltage: 24 VDC, Lead Wire: Type D, DIN Terminal w/Connector, Surge Suppressor: with Light/Surge Voltage Suppressor, Manual Override: Push-turn Locking Slotted Type, Flow Direction/Pressure Unit: Flow Direction: Right to Left

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://inventory.partbuilder.smcpneumatics.com/vona2/detail/332000158034/?HissuCode=AV2000-02-5DZB-R-A

AV2000-02GS-5DZB-R-A

Body Size: 2000, Thread: Rc, Port Size: 1/4, Option: Round Type Pressure Gauge, Silencer, Voltage: 24 VDC, Lead Wire: Type D, DIN Terminal w/Connector, Surge Suppressor: with Light/Surge Voltage Suppressor, Manual Override: Push-turn Locking Slotted Type, Flow Direction/Pressure Unit: Flow Direction: Right to Left

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://inventory.partbuilder.smcpneumatics.com/vona2/detail/332000158034/?HissuCode=AV2000-02GS-5DZB-R-A

AV2000-02-5DZC-R-A

Body Size: 2000, Thread: Rc, Port Size: 1/4, Option: None, Voltage: 24 VDC, Lead Wire: Type D, DIN Terminal w/Connector, Surge Suppressor: with Light/Surge Voltage Suppressor, Manual Override: Push-turn Locking Lever Type, Flow Direction/Pressure Unit: Flow Direction: Right to Left

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://inventory.partbuilder.smcpneumatics.com/vona2/detail/332000158034/?HissuCode=AV2000-02-5DZC-R-A

AV2000-02BS-5DZC-R-A

Body Size: 2000, Thread: Rc, Port Size: 1/4, Option: w/Bracket, Silencer, Voltage: 24 VDC, Lead Wire: Type D, DIN Terminal w/Connector, Surge Suppressor: with Light/Surge Voltage Suppressor, Manual Override: Push-turn Locking Lever Type, Flow Direction/Pressure Unit: Flow Direction: Right to Left

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://inventory.partbuilder.smcpneumatics.com/vona2/detail/332000158034/?HissuCode=AV2000-02BS-5DZC-R-A

AV2000-02-5DOB-R-A

Body Size: 2000, Thread: Rc, Port Size: 1/4, Option: None, Voltage: 24 VDC, Lead Wire: Type D, DIN Terminal w/o Connector, Surge Suppressor: None, Manual Override: Push-turn Locking Slotted Type, Flow Direction/Pressure Unit: Flow Direction: Right to Left

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://inventory.partbuilder.smcpneumatics.com/vona2/detail/332000158034/?HissuCode=AV2000-02-5DOB-R-A

AV2000-F02-5DZB-R-A

Body Size: 2000, Thread: G, Port Size: 1/4, Option: None, Voltage: 24 VDC, Lead Wire: Type D, DIN Terminal w/Connector, Surge Suppressor: with Light/Surge Voltage Suppressor, Manual Override: Push-turn Locking Slotted Type, Flow Direction/Pressure Unit: Flow Direction: Right to Left

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://inventory.partbuilder.smcpneumatics.com/vona2/detail/332000158034/?HissuCode=AV2000-F02-5DZB-R-A