Aalborg SMV Series User Manual
Page 8

3.
SPECIFICATIONS
MATERIALS OF CONSTRUCTION:
ALUMINUM MODELS: Aluminum housings and valve blocks, Viton
®
O-Rings, PFA
closing pins.
STAINLESS/PTFE MODELS: 316 stainless steel valve blocks, PTFE-lined Aluminum
Housing blocks, Viton
®
O-Rings, and PFA closing pins.
MAXIMUM FLOW RATES: 1000 sL/min (air), 28 L/min (water).
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 @ 800mA standard or optional +24Vdc @ 600mA. Power
input is protected by 1600mA resetable fuse.
DIRECTIONAL CONTROL SIGNAL: 12Vdc CMOS compatible logic signal (10K input
impedance). UP: Logic High (>7.5Vdc <= 12Vdc). Do not apply more than 12 Vdc.
DOWN: Logic Low (<2.3Vdc).
SPEED CONTROL SIGNAL: Analog 0 to 2.5Vdc (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: 50 psig (3.45 bars).
ENVIRONMENTAL (PER IEC 664): Installation Level II; Pollution Degree II.
GAS AND AMBIENT TEMPERATURE: 32
F
F to 122
F
F (0
F
C to 50
F
C).
LEAK INTEGRITY: 1 x 10
-7
sccs He max to the outside environment.
WETTED MATERIALS:
SMV20/SMV30/SMV40: Anodized aluminum, brass, and 316 stainless steel with
VITON
®
O-rings seals; BUNA-N
®
, EPR or KALREZ
®
O-rings are optional.
4