Body Size: 20A, Thread: N (NPT), Port Size: 01 (1/8), Option: G (for Sizes 20, 25, 30, 40 Round Type Pressure Gauge w/Limit Indicator; for Size10: Round Type Pressure Gauge w/o Limit Indicator), Attachment: V (3-Port Valve for Residual Pressure Release), Semi-Standard 1: Standard, Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)
(1/8), Thread: N (NPT), Bracket: F (Bracket)
), Thread: N (NPT), Bracket: F (Bracket)
, Thread: N (NPT), Bracket: F (Bracket)
(1/8), Thread: N (NPT), Bracket: F (Bracket)
/8), Thread: T (NPTF), Bracket: F (Bracket)
1/8), Thread: N (NPT), Bracket: F (Bracket)
, Thread: N (NPT), Bracket: F (Bracket)
.: 37 (NPT1/2), Thread Material/Surface Treatment: A (Brass), Sealant: P (Face Seal)
.: 37 (NPT1/2), Thread Material/Surface Treatment: A (Brass), Sealant: P (Face Seal)
Magnet: D (Built-in), Mounting: B (Basic), Cushion: N (Rubber Bumper), Bore Size: 50 (2"), Stroke: 3700 (37"), Auto Switch: A90--Reed, AC Volt, Horizontal, Lead Wire or Prewired Connector: L (3m)
Size: 37 [6.1m³/min (ANR), 215.4scfm], Version: NIL (All Sizes Except 15), Voltage: 30 (200VAC, 50Hz; 200/220VAC, 60Hz, 3 phase), Option 1: L (Heavy Duty Auto Drain for Medium Air Pressure)
.: 37 (NPT 1/2"), Thread Material/Surface Treatment: N (Brass+Electroless Nickel Plated)
.: 37 (NPT 1/2"), Thread Material/Surface Treatment: A (Brass), Sealant: S (Sealant)