Applicable model AC20D-A AC30D-A to AC40D-06-A Optional/Semi-standard specifications With auto drain (N.C.) With drain guide Metal bowl Metal bowl with drain guide With auto drain (N.O./N.C.) Dimensions Applicable model AC30D-A to AC40D-06-A Optional/Semi-standard specifications Metal bowl Metal bowl with drain guide Metal bowl with level gauge Metal bowl with level gauge, with drain guide With drain guide Drain cock with barb fitting Dimensions M5 x 0.8 B 1/8 B Width across flats 14 B 1/8 B Width across flats 14 Thread type/Rc, G: o10 One-touch fitting Thread type/NPT: o3/8" One-touch fitting B N.C.: Gray N.O.: Black B B 1/4 Width across flats 17 B B 1/4 Width across flats 17 1/4 B Width across flats 17 Barb fitting applicable tubing: T0604 B Model Optional specifications Semi-standard specifications Round type pressure gauge Round type pressure gauge (with color zone) With auto drain With barb fitting With drain guide Metal bowl Metal bowl with drain guide Metal bowl with level gauge Metal bowl with level gauge, with drain guide H J H J B B B B B B B AC20D-A o37.5 58.5 o37.5 59.5 104.9 . 91.4 87.4 93.9 . . AC30D-A o37.5 65 o37.5 66 156.8 123.6 121.9 117.6 122.1 137.6 142.1 AC40D-A o42.5 72 o42.5 72 186.9 155.6 153.9 149.6 154.1 169.6 174.1 AC40D-06-A o42.5 72 o42.5 72 188.9 157.6 155.9 151.6 156.1 171.6 176.1 Model Standard specifications P1 P2 A B C Note) E F G J Bracket mount M Q1 Q2 R S U V AC20D-A 1/8, 1/4 1/8 83.2 87.6 67.4 . 41.6 40 23.4 30 24 33 5.5 12 3.5 29 AC30D-A 1/4, 3/8 1/8 110.2 115.1 83.5 30 55.1 50 30.5 41 35 . 7 14 4 41 AC40D-A 1/4, 3/8, 1/2 1/8 145.2 147.1 100 38.4 72.6 75 36.1 50 40 . 9 18 5 48 AC40D-06-A 3/4 1/8 155.2 149.1 101.5 38.4 77.6 75 39.6 50 40 . 9 18 5 48 U R M J J V Q1 Q1 A F B C R Q2 Q2 Q1 Q1 M J J H A F B C U G Clearance for maintenance G Clearance for maintenance IN IN OUT H Pressure gauge (Option) E 2 x P1 (Port size) P2 (Pressure gauge port size) Pressure gauge (Option) 2 x P1 (Port size) P2 (Pressure gauge port size) Drain Drain Drain Drain OUT S S AC20D-A AC30D-A to AC40D-06-A Note) The dimension of C is the length when the filter regulator knob is unlocked. Dimensions 27 Series AC20D-A to AC40D-A