This is a legacy product. Please contact us for the latest version.sales@ocaire.com, BONNET ASSY (AR50), AIRLINE EQUIPMENT, AR MASS PRO, 21, AR MASS PRO NO SIZE RATING, .55440 lb, Regulator Series ARPages 346 through to 355ModelPort sizeOptionsRegulator Series ARPages 346 through to 355AR503/4, 1BracketSquare embedded type pressure gauge (except the AR10)Round type pressure gauge

Body Material: 2 [SCS14 (Stainless Steel)], Diaphragm Material: 1 [PTFE (Fluororesin)], Actuation: 0 (Automatically Operated), Thread: Rc(PT), Port Size: 04 (1/2), Option: N (Silencer)

Body Material: 1 [ADC12 (Aluminum)], Diaphragm Material: 2 [NBR (Nitrile Rubber)], Actuation: 0 (Automatically Operated), Thread: N (NPT), Port Size: 04 (1/2), Option: N (Silencer)

Body Material: 1 [ADC12 (Aluminum)], Diaphragm Material: 2 [NBR (Nitrile Rubber)], Actuation: 0 (Automatically Operated), Thread: Rc(PT), Port Size: 04 (1/2), Option: N (Silencer)

Body Material: 2 [SCS14 (Stainless Steel)], Diaphragm Material: 1 [PTFE (Fluororesin)], Actuation: 0 (Automatically Operated), Thread: N (NPT), Port Size: 04 (1/2), Option: N (Silencer)

Body Material: 2 [SCS14 (Stainless Steel)], Diaphragm Material: 1 [PTFE (Fluororesin)], Actuation: 0 (Automatically Operated), Thread: T (NPTF), Port Size: 04 (1/2), Option: N (Silencer)

Body Material: 1 [ADC12 (Aluminum)], Diaphragm Material: 1 [PTFE (Fluororesin)], Actuation: 0 (Automatically Operated), Thread: F [G(PF)], Port Size: 04 (1/2), Option: N (Silencer)

Body Material: 0 [PP (Polypropylene)], Diaphragm Material: 1 [PTFE (Fluororesin)], Actuation: 0 (Automatically Operated), Thread: F [G(PF)], Port Size: 04 (1/2), Option: N (Silencer)

Element Size: 0 (L125), Housing O-Ring Material: N (NBR), Port Size: 04 (1/2), Element: M020N (SUS304 20 Micron NBR), Option: BP (Bracket + Quick Plug)

Size: 40, Backflow Function: K (Backflow Function), Thread: F (G), Port Size: 04 (1/2), Accessory: BE (B+E), Specifications: 3 (0.008 to 0.6 MPa Setting)

Size: 40, Backflow Function: K (Backflow Function), Thread: F (G), Port Size: 04 (1/2), Accessory: BG (B+G), Specifications: 3 (0.008 to 0.6 MPa Setting)

Operating Pressure 1.6 MPa), Thread Type: Rc (PT), Port Size: 04 (1/2), Option: N (Silencer)

Body Size: 30, Thread: N (NPT), Port: 04 (1/2), Drain: C (Float Type, N.C.), Flow Direction: Left to Right, Pressure Gauge, Bracket: B (w/Bracket)

Pad Diameter: 06 (ø6), Pad Styles: U (Flat Style), Material: GN (Conductive NBR), Vacuum Entry: 04 (One-touch Fitting Ø4), Mounting Thread: B4 (Female Thread M4X0.7)

Pad Diameter: 10 (ø10), Pad Styles: U (Flat Style), Material: GN (Conductive NBR), Vacuum Entry: 04 (One-touch Fitting Ø4), Mounting Thread: B6 (Female Thread M6X1)

Pad Diameter: 16 (ø16), Pad Styles: C (Flat w/Ribs), Material: GS (Conductive Silicon Rubber), Vacuum Entry: 04 (One-touch Fitting Ø4), Mounting Thread: A6 (M6X1)

Pad Diameter: 06 (ø6), Pad Styles: B (Bellows), Material: GS (Conductive Silicon Rubber), Vacuum Entry: 04 (One-touch Fitting Ø4), Mounting Thread: B4 (Female Thread M4X0.7)

Pad Diameter: 02 (ø2), Pad Styles: U (Flat Style), Material: GN (Conductive NBR), Vacuum Entry: 04 (One-touch Fitting Ø4), Mounting Thread: B4 (Female Thread M4X0.7)

Pad Diameter: 06 (ø6), Pad Styles: B (Bellows), Material: GS (Conductive Silicon Rubber), Vacuum Entry: 04 (One-touch Fitting Ø4), Mounting Thread: B5 (Female Thread M5X0.8)

Pad Diameter: 10 (ø10), Pad Styles: U (Flat Style), Material: GN (Conductive NBR), Vacuum Entry: 04 (One-touch Fitting Ø4), Mounting Thread: B5 (Female Thread M5X0.8)