And the IDF6E/8E/11E/15E series catalogs can be found here.
Size, Body, Valve Type: 15E (Size: 1; Body Mat'l: C37; Port Size: 1/4; Orifice Dia: 3, N.C.), Voltage and Electrical Entry: A (24VDC; Grommet), Other Voltages and Electrical Options: None, Other Options: D (Oil-free, G Thread), Mounting: XB (w/Bracket), Electrical Entry Direction: B (180°)
Size, Body, Valve Type: 15E (Size: 1; Body Mat'l: C37; Port Size: 1/4; Orifice Dia: 3, N.C.), Voltage and Electrical Entry: A (24VDC; Grommet), Other Voltages and Electrical Options: None, Other Options: A (G Thread), Mounting: XB (w/Bracket), Electrical Entry Direction: B (180°)
Size, Body, Valve Type: 15E (Size: 1; Body Mat'l: C37; Port Size: 1/4; Orifice Dia: 3, N.C.), Voltage and Electrical Entry: J (110VAC; DIN Terminal w/Surge Voltage Suppressor), Other Voltages and Electrical Options: None, Other Options: Rc, Mounting: XC (Special Entry Direction), Electrical Entry Direction: C (270°)
Size, Body, Valve Type: 15E (Size: 1; Body Mat'l: C37; Port Size: 1/4; Orifice Dia: 3, N.C.), Voltage and Electrical Entry: J (110VAC; DIN Terminal w/Surge Voltage Suppressor), Other Voltages and Electrical Options: None, Other Options: B (NPT Thread), Mounting: XB (w/Bracket)
Size, Body, Valve Type: 15E (Size: 1; Body Mat'l: C37; Port Size: 1/4; Orifice Dia: 3, N.C.), Voltage and Electrical Entry: G (24VDC; DIN Terminal w/Surge Voltage Suppressor), Other Voltages and Electrical Options: None, Other Options: B (NPT Thread), Mounting: XB (w/Bracket)
Style: Clean Room Applicable, Nominal Size: 10, Port Location: Axial Direction
Style: Clean Room Applicable, Nominal Size: 10, Port Location: Body Side Direction
Style: Clean Room Applicable, Nominal Size: 15, Port Location: Body Side Direction
Style: Clean Room Applicable, Nominal Size: 20, Port Location: Axial Direction
Style: Clean Room Applicable, Nominal Size: 20, Port Location: Body Side Direction
Style: Clean Room Applicable, Nominal Size: 30, Port Location: Axial Direction
Style: Clean Room Applicable, Nominal Size: 30, Port Location: Body Side Direction
Style: C (Clean Room Applicable), Nominal Size: 10, Port Location: E (Axial Direction)
Style: C (Clean Room Applicable), Nominal Size: 10, Port Location: R (Body Side Direction)
Style: C (Clean Room Applicable), Nominal Size: 15, Port Location: R (Body Side Direction)
Style: C (Clean Room Applicable), Nominal Size: 20, Port Location: E (Axial Direction)
Style: C (Clean Room Applicable), Nominal Size: 20, Port Location: R (Body Side Direction)
Style: C (Clean Room Applicable), Nominal Size: 30, Port Location: E (Axial Direction)