7000 Atkomatic Product Selection Wizard The matrix number for your Atkomatic product is: 7 0 4 - (Place your mouse over characters in the matrix number to see a corresponding description.) Selection Items Note: A relay must be used with this valve Thread Size: . 1/4" 3/8" 1/2" Maximum Operating Pressure: . 300 Psig 500 Psig 700 Psig 800 Psig 1000 Psig 1500 Psig 2000 Psig 2500 Psig 3500 Psig 4000 Psig 5000 Psig 6000 Psig Voltage AC (60 Hz): . DC or 50 Hz AC 100 VAC, 60 Hz 115 VAC, 60 Hz 200 VAC, 60 Hz 230 VAC, 60 Hz 460 VAC, 60 Hz 550 VAC, 60 Hz Seat (Piston) Material: . Kel-F® Stainless Steel Stainless Steel Piston with Stellite Stem Voltage AC (50 Hz): . DC or 60 Hz AC 110 VAC, 50 Hz 220 VAC, 50 Hz Seal Material: . Teflon® Buna-N Viton® EPDM Voltage DC: . AC, 50Hz or 60 Hz 24 VDC 32 VDC 48 VDC 125 VDC 250 VDC Fluid/Media Type: . Gas Liquid, up to 40 SUS Liquid, 41 SUS to 200 SUS Steam Cryogenic Connection Type: . NPT British Pipe Thread Coil Housing: . Standard (NEMA 1) Waterproof (NEMA 4) Explosion-proof (NEMA 7) Water- & Explosion-proof (NEMA 4 & 7)