55 1 2 Symbol Description Nq Body size 10 20 25 30 40 Nw Pipe thread type Nil Metric thread (M5) V . . . . Rc . V V V V N NPT . V V V V F G . V V V V + Ne Port size M5 M5 V . . . . 01 1/8 . V . . . 02 1/4 . V V V V 03 3/8 . . V V V 04 1/2 . . . . V 06 3/4 . . . . V + Nr Option Note 1) a Mounting Nil Without mounting option V V V V V B Note 2) With bracket V V V V V H With set nut (for panel mount) Note 3) V V V V V + b Pressure gauge Note 4) Nil Without pressure gauge V V V V V G Round type pressure gauge (without limit indicator) V . . . . Round type pressure gauge (with limit indicator) . V V V V M Round type pressure gauge (with color zone) . V V V V + Nt Semi-standard c Set pressure Note 5) Nil 0.05 to 0.7 MPa setting V V V V V 1 0.02 to 0.2 MPa setting V V V V V + d Exhaust mechanism Nil Relieving type V V V V V N Non-relieving type V V V V V + e Flow direction Nil Flow direction: Left to right V V V V V R Flow direction: Right to left V V V V V + f Knob Nil Downward V V V V V Y Upward V V V V V + g Pressure unit Nil Name plate and pressure gauge in imperial units: MPa V V V V V Z Note 6) Name plate and pressure gauge in imperial units: psi v Note 7) v Note 7) v Note 7) v Note 7) v Note 7) AR20-A AR30-A AR 30 q 03 e BG w r t . Option/Semi-standard: Select one each for a to g. . Option/Semi-standard symbol: When more than one specification is required, indicate in alphanumeric order. Example) AR30-03BG-1N-A Symbol Regulator Note 1) Option B, G, H, M are not assembled and supplied loose at the time of shipment. Note 2) Assembly of a bracket and set nuts Note 3) Only for the AR20-A to 40-A Note 4) When the pressure gauge is attached, a 1.0 MPa pressure gauge will be fitted for standard (0.7 MPa) type. 0.4 MPa pressure gauge for 0.2 MPa type (1.0 MPa pressure gauge only for the AR10-A). Note 5) Pressure can be set higher than the specification pressure in some cases, but use pressure within the specification range. Note 6) For pipe thread type: NPT This product is for overseas use only according to the new Measurement Law. (The SI unit type is provided for use in Japan.) Cannot be used with M: Round pressure gauge (with color zone). Available by request for special. Note 7) �ｷ: For pipe thread type: M5, NPT only A Made to Order (Refer to pages 61 and 62 for details.) How to order AR10-A AR10-A to AR40-A Regulator