ALUMINUM MODELS: Aluminum housings and valve blocks, Viton7 O-Rings, PFA closing pins STAINLESS/ PTFE MODELS: 316 stainless steel valve blocks, PTFE-lined Aluminum Housing blocks, Viton7 O-Rings, and PFA closing pins MAXIMUM FLOW RATES: 1000 sL/min (air), 28 L/min (H2O) CONNECTIONS: 3/8", 1/2", compression and 3/4" FNPT ELECTRICAL CONNECTIONS: 9-pin "D"-connector, located at the side of the valve POWER INPUT: +12Vdc @ 800 mA, or +24 Vdc @ 600 mA, protected by a 1600mA resettable fuse DIRECTIONAL CONTROL SIGNAL: TTL compatible logic level signal (10K input impedance). (Logic High >= 7.5 Vdc, Low <= 1.5 Vdc) SPEED CONTROL SIGNAL: Analog 0 to 5 Vdc (100K input impedance). TTL ON/OFF override: TTL low level to pins 7 and 3 (10K input impendence) RESPONSE TIME: 100ms time constant DIFFERENTIAL PRESSURES: (700 to 1000) mbars 10 to 15 psid MAXIMUM OPERATING PRESSURE: 500 psig (35 bars) MAXIMUM DIFFERENTIAL PRESSURE: 40 psig (2.7 bars) H-Tech Shipping Information Estimated Ship Dimensions: " x " x " • Estimated Ship Weight: lbs • Lead time: 16 days • Shipping origin: Orangeburg, United States Please contact us for pricing on this product. H-Tech's Shipping Policy