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What are the meanings of the “rotary stroke” and “clamp stroke” of MK series cylinders?

The overall length dimension (Q dimension) when the rod is in an extended state shown in the “Dimensions” section of the MK series catalog is the value obtained by adding the rotary stroke and the clamp stroke to the dimension when the rod is retracted.
Ex.) Overall length of the MKB50-30RZ when extended: 172+19+30=221 mm

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://smccatalog.partbuilder.smcpneumatics.com/support/faq/en-jp/?ca_id=actuators&fa_id=10145

What is the difference between CG1Q series low-friction cylinders and CG1Y-Z series smooth cylinders?

Old CG1□Q series cylinders had directional low-friction operation due to the seal shape, which required the indication of the direction in the part number. CG1Y-Z series smooth cylinders have bi-directional low-friction operation as standard.
The mounting dimensions of CG1Q and CG1Y-Z series products are the same.

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://smccatalog.partbuilder.smcpneumatics.com/support/faq/en-jp/?ca_id=actuators&fa_id=10763

What does the “Z” after the stroke in an MB series air cylinder part number mean?

It is recommended that MB□Q series low-friction air cylinders be switched to an MB□□Y.
If a product with the special order part number suffix “-XC6” (made of stainless steel) is required, select the “-XC68” (made of stainless steel (with hard chrome plated piston rod)) instead.

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://smccatalog.partbuilder.smcpneumatics.com/support/faq/en-jp/?ca_id=actuators&fa_id=10869

SYJ3140-6MZ-M5-Q

Function: 1 (2 Position Single), Piping: 4 (Base Mounted 5 Port), Exhaust: 0 (Individual), Specifications: Standard, Voltage: 6 (12VDC), Lead Wire: M (M Plug Connector w/Lead Wire 0.3m), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: Non-locking Push Type, Port Size: M5 (Base Mounted M5 w/Sub-plate), Option: None, CE Marked: Q (CE Marked)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/SYJ3140-6MZ-M5-Q

SYJ3143-5MZ-Q

Function: 1 (2 Position Single), Piping: 4 (Base Mounted 5 Port), Exhaust: 3 (Common), Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: M (M Plug Connector w/Lead Wire 0.3m), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: Non-locking Push Type, Port Size: None, Option: None, CE Marked: Q (CE Marked)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/SYJ3143-5MZ-Q

SYJ7223-5MOU-C6-Q

Function: 2 (2 Position Double), Piping: 2 (Body Ported), Exhaust: 3 (Common), Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: MO (M Plug w/o Connector), Surge Suppressor: U (Light & Surge Suppressor Non-polar), Manual Override: Non-locking Push Style, Port Size: C6 (ø6 One-touch Fitting), Thread: Rc, Option: None, CE Compliant: Q (CE Compliant)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/SYJ7223-5MOU-C6-Q

SYJ724R-5MOZ-Q

Function: 2 (Normally Open), Piping: 4 (Base Mounted), Body Option: R (External Pilot), Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: MO (M Plug w/o Connector), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: Non-locking Push Style, Port Size: w/o Sub-plate, Thread: Rc, Bracket: None, CE-Compliant: Q (CE-Compliant)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/SYJ724R-5MOZ-Q

SYJ3243-5GZ-Q

Function: 2 (2 Position Double), Piping: 4 (Base Mounted 5 Port), Exhaust: 3 (Common), Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: G (Grommet Lead Wire 0.3m), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: Non-locking Push Type, Port Size: None, Option: None, CE Marked: Q (CE Marked)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/SYJ3243-5GZ-Q

SYJ7123-5LO-01F-Q

Function: 1 (2 Position Single), Piping: 2 (Body Ported), Exhaust: 3 (Common), Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: LO (L Plug w/o Connector), Surge Suppressor: None, Manual Override: Non-locking Push Style, Port Size: 01 (Base Mounted w/Sub-plate 1/8, Body Ported 1/8), Thread: F (G), Option: None, CE Compliant: Q (CE Compliant)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/SYJ7123-5LO-01F-Q

SYJ7123-5DO-C8F-Q

Function: 1 (2 Position Single), Piping: 2 (Body Ported), Exhaust: 3 (Common), Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: DO (DIN Terminal w/o Connector), Surge Suppressor: None, Manual Override: Non-locking Push Style, Port Size: C8 (ø8 One-touch Fitting), Thread: F (G), Option: None, CE Compliant: Q (CE Compliant)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/SYJ7123-5DO-C8F-Q

SYJ3430-5H-Q

Function: 4 (3 Position Exhaust Center), Piping: 3 (Base Mounted 4 Port), Exhaust: 0 (Individual), Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: H (Grommet Lead Wire 0.6m), Surge Suppressor: None, Manual Override: Non-locking Push Type, Port Size: None, Option: None, CE Marked: Q (CE Marked)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/SYJ3430-5H-Q

SYJ5123-5LOU-C4-Q

Function: 1 (2 Position Single), Piping: 2 (Body Ported), Exhaust: 3 (Common), Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: LO (L Plug w/o Connector), Surge Suppressor: U (Indicator Light w/Surge Suppressor Non-polar), Manual Override: None, Port Size: C4 (ø4 One-touch Fitting), Thread: M Thread, Rc, Option: None, CE Compliant: Q (CE Compliant)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/SYJ5123-5LOU-C4-Q

SYJ512M-5LOZ-M5-F-Q

Function: 1 (Normally Closed), Piping: 2 (Body Ported), Body Option: M (Common EXH), Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: LO (L Plug w/o Connector), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: Non-locking Push Style, Port Size: M5 (Body Ported M5X0.8), Thread: Rc, Bracket: F (Bracket), CE-Compliant: Q (CE-Compliant)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/SYJ512M-5LOZ-M5-F-Q

SYJ512M-5LOU-M5-F-Q

Function: 1 (Normally Closed), Piping: 2 (Body Ported), Body Option: M (Common EXH), Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: LO (L Plug w/o Connector), Surge Suppressor: U (Surge Suppressor w/Light Non-polar), Manual Override: Non-locking Push Style, Port Size: M5 (Body Ported M5X0.8), Thread: Rc, Bracket: F (Bracket), CE-Compliant: Q (CE-Compliant)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/SYJ512M-5LOU-M5-F-Q

VQZ1221-5LOB1-M5-Q

Series: 1 (VQZ1000), Configuration: 2 (2 Position Double), Seal Type: 1 (Rubber Seal), Function: Standard (0.35W DC, AC), Coil Voltage: 5 (24VDC), Lead Wire: LO (L Plug w/o Connector, w/Light & Surge Suppressor), Manual Override: B (Locking Slotted Style), IP65 Compliant: No, Port Size: M5 Thread, Thread: Rc, Foot Bracket: None, CE Compliant: Q (CE Marked)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/VQZ1221-5LOB1-M5-Q

SYJ7143-5WOU-02N-Q

Function: 1 (2 Position Single), Piping: 4 (Base Mounted), Exhaust: 3 (Common), Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: WO (M8 Connector w/o Cable), Surge Suppressor: U (Light & Surge Suppressor Non-polar), Manual Override: Non-locking Push Style, Port Size: 02 (Base Mounted w/Sub-plate 1/4), Thread: N (NPT), Option: None, CE Compliant: Q (CE Compliant)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/SYJ7143-5WOU-02N-Q

SYJ712-5MO-01F-Q

Function: 1 (Normally Closed), Piping: 2 (Body Ported), Body Option: Individual EXH, Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: MO (M Plug w/o Connector), Surge Suppressor: None, Manual Override: Non-locking Push Style, Port Size: 01 (Base Mounted w/Sub-plate 1/8, Body Ported 1/8), Thread: F (G), Bracket: None, CE-Compliant: Q (CE-Compliant)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/SYJ712-5MO-01F-Q

SYJ712-5MZ-01-Q

Function: 1 (Normally Closed), Piping: 2 (Body Ported), Body Option: Individual EXH, Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: M (M Plug Connector w/Lead Wire 0.3m), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: Non-locking Push Style, Port Size: 01 (Base Mounted w/Sub-plate 1/8, Body Ported 1/8), Thread: Rc, Bracket: None, CE-Compliant: Q (CE-Compliant)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/SYJ712-5MZ-01-Q

SYJ3323-5LZ-M3-F-Q

Function: 3 (3 Position Closed Center), Piping: 2 (Body Ported), Exhaust: 3 (Common), Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: L (L Plug Connector w/Lead Wire 0.3m), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: Non-locking Push Type, Port Size: M3 (Body Ported M3X0.5), Option: F (Bracket), CE Marked: Q (CE Marked)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/SYJ3323-5LZ-M3-F-Q

SYJ3430-5G-Q

Function: 4 (3 Position Exhaust Center), Piping: 3 (Base Mounted 4 Port), Exhaust: 0 (Individual), Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: G (Grommet Lead Wire 0.3m), Surge Suppressor: None, Manual Override: Non-locking Push Type, Port Size: None, Option: None, CE Marked: Q (CE Marked)

https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://partbuilder.smcpneumatics.com/product-search-results/SYJ3430-5G-Q