The part number of the standard AR20 to AR60 round type pressure gauge is “G36-10-01,” or “G46-10-01”(for the R thread type).
For example, the part number of the AR30-03BG-A pressure gauge is “G36-10-01.” Details on the round type pressure gauge (with color zones) can be found
https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://smccatalog.partbuilder.smcpneumatics.com/support/faq/en-jp/?ca_id=vacuum-regulators&fa_id=10961
Note 3) 52-SY series are not available with resin type manifold (45 type). 4 B ATEX Compliant Body Ported Type Series 52-SY5000 Dimensions 2-position single L plug connector (L) 52-SY5120-L-01 (-F2) In case with foot bracket 52-SY5120-L-01-F1 22.6 21 47 16.7 4.5 38 16.6 1.2 22 29 2 x M3 x 0.5 Threads depth 3.5 (For bracket mounting) 65 2 x 3.2 (Mounting holes) 14.7 Insulation: Black () 11.6
Metric size Inch size With One-touch fitting 04 06 08 10 12 01 03 05 07 09 11 4 6 8 10 12 1/8" 5/32" 3/16" 1/4" 5/16" 3/8" Thread type Nil Metric thread (M5) Unified thread (10-32 UNF) R NPT AS N ASP Bore size ASN M5 x 0.8 10-32 UNF 1/8 1/4 3/8 1/2 M5 U10/32 01 02 03 04 AQ ASV AK ASS Needle Valve/Flow Characteristics (Inlet Pressure: 0.5 MPa) ASR ASD230F ASD330F ASD430F ASF 100 200 400 Flow
Size: 20, Backflow Function: K (Backflow Function), Thread: Rc, Port Size: 01 (1/8), Accessory: G (Round Pressure Gauge w/Limit Indicator), Specifications: 1 (0.005 to 0.2 MPa Setting)
Size: 20, Backflow Function: None, Thread: F (G), Port Size: 01 (1/8), Accessory: E (Square Embedded Pressure Gauge w/Limit Indicator), Specifications: 1 (0.005 to 0.2 MPa Setting)
Size: 20, Backflow Function: None, Thread: F (G), Port Size: 01 (1/8), Accessory: E (Square Embedded Pressure Gauge w/Limit Indicator), Specifications: 1 (0.005 to 0.2 MPa Setting)
Size: 20, Backflow Function: K (Backflow Function), Thread: F (G), Port Size: 01 (1/8), Accessory: H (Set Nut for Panel Mount), Specifications: 3 (0.008 to 0.6 MPa Setting)
Size: 20, Backflow Function: None, Thread: F (G), Port Size: 01 (1/8), Accessory: E4 (PNP Output, Electrical Entry: Wiring Top Entry), Specifications: 1 (0.005 to 0.2 MPa Setting)
Size: 20, Backflow Function: None, Thread: F (G), Port Size: 01 (1/8), Accessory: E4 (PNP Output, Electrical Entry: Wiring Top Entry), Specifications: 3 (0.008 to 0.6 MPa Setting)
Size: 20, Backflow Function: K (Backflow Function), Thread: Rc, Port Size: 01 (1/8), Accessory: G (Round Pressure Gauge w/Limit Indicator), Specifications: 3 (0.008 to 0.6 MPa Setting)
.: 07 (ø1/4"), Actuator Type: 01 (Roller Lever), Suffix: S (Hard Steel Roller)
.: 07 (ø1/4"), Actuator Type: 01 (Roller Lever), Suffix: S (Hard Steel Roller)
.: 01 (ø1/8"), Actuator Type: 06 (Roller Plunger), Suffix: S (Hard Steel Roller)
.: 03 (ø5/32"), Actuator Type: 01 (Roller Lever), Suffix: S (Hard Steel Roller)
Pressure Range: L (0~100kPa), Port Size: 01 (Single Unit Mounting R(PT) 1/8), Output Specification: 15 (NPN Open Collector 1 Output, w/o Analog Output, 200° Setting)
Pressure Range: L (0~100kPa), Port Size: 01 (Single Unit Mounting R(PT) 1/8), Output Specification: 17 (NPN Open Collector 2 Outputs, w/o Analog Output, 200° Setting)
Pressure Range: L (0~100kPa), Port Size: 01 (Single Unit Mounting R(PT) 1/8), Output Specification: 18 (NPN Open Collector 1 Output, w/Analog Output, 3 Rotation setting)
Pressure Range: L (0~100kPa), Port Size: 01 (Single Unit Mounting R(PT) 1/8), Output Specification: 55 (PNP Open Collector 1 Output, w/o Analog Output, 200° Setting)
Pressure Range: 0~0.97MPa, Port Size: 01 (Single Unit Mounting R(PT) 1/8), Output Specification: 14 (NPN Open Collector 1 Output, w/o Analog Output, 3 Rotation Setting)