Norgren Collateral

Prospector Series Poppet Valves Air Pilot Actuated

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Our policy is one of continued research and development. We therefore reserve the right to amend, without notice, the specifications given in this document. © 2020 Norgren Ltd 7/21 > High flow - Cv of 1.2 to 49.5 > Durable, robu con ruction > Two mounting yles: inline or subbase > 1/4" to 2" ports (BSPP or PTF threads) > Wide range of Air Pilot Operators available > Four functional types: available in 2/2, 3/2, 3/2 multi-directional and 4/2 configurations Technical data Medium: Filtered and lubricated or non-lubricated compressed air or vacuum. Mounting: Through-holes in valve body and subbase. Port Size: 1/4" to 2" PTF, BSPP Operating Pressure: 300 psig (Maximum 20.7 bar). For details see overleaf. Flow Characteristics: Basic size Function Cv* 1/4" 3/2 & 4/2 1.2 - 1.8 1/2" 2/2, 3/2 & 4/2 3.2 - 5.8 1" 2/2, 3/2 & 4/2 10.3 - 17.7 2" 2/2 & 3/2 39.6 - 49.5 *See VAL-12-58 for additional flow information. Materials Body: Aluminum alloy body, piston, poppets and subbase. Operators: Zinc or aluminum air pilot operators. Elastomers: Nitrile rubber seals. (Fluorocarbon seals are optional, contact Technical Services.) Operating Temperature: -20°F to 175°F** (-29°C to 79°C) **Consult Technical Service for use below 35°F (+2°C). Operation: Poppet valve air pilot actuated. Fluids Filtered and lubricated compressed air or vacuum. Prospector poppet valves with A1, AA, or A4 air operators or with C, D, F, or X series solenoid operators may be used with filtered, non-lubricated compressed air or vacuum, although tests indicate that service life will be reduced. Valves with other operators must not be used in non-lubricated service. Seal Compatibility Prospector poppet valve seals are compatible with most good quality O-ring lubricants, including: DC BR-2+ grease (Dow Corning) DC 44 grease (Dow Corning) Magnalube G (Saunders Industries) Non-detergent mineral based oil such as Mobil DTE light oil. Poppet valve seals are not compatible with WD-40 or commonly used deicer fluids. Consult factory to verify compatibility of lubricants or fluids not listed above. Valve Exhaust The valve exhaust port must not be restricted with anything more than a muffler or equal pipe size (most exhaust ports are larger than the inlet port). Back pressure on the exhaust side of the valve poppets can, under some conditions, result in failure to operate. If exhaust is to be piped away, piping should be installed horizontally ar oat a downward angle from the valve to provide drainage an minimize sludge formation. Use of Speed Controls Speed controls may be installed in the exhuast port on Norgren 3-port/2-position multi-direction popped valves. Note: On all other poppet valves, speed controls should only be installed in the air line between the valve and the air- operated device and as close as possible to the device. Vacuum Service Valves that can be used in vacuum service are identified by a "J" in the 6th position of the model number. For on-off application of vacuum, use a normally closed 2-port/2- position (2-way) valve. Connect the vacuum to the inlet port. When the valve is actuated, vacuum will be applied to the outlet port. For selecting alternately between vacuum and pressure, use a normally open 3-port/2-position (3-say) valve. Connect the vacuum to the exhaust port and vent the inlet port. When the valve is actuated, vacuum will be applied to the outlet port. In addition, 4-port/2-position (4-way) valves can be connected the same way as 3-port/2- position (3-way) valves for selectin alternately between vacuum and pressure or vacuum and vent. That is, connect the vacuum to the exhuast port and pressure or vent to the inlet port. When the valve is actuated, the cylinder ports (outlets) will be alternately switched between vacuum and pressure or vacuum and vent. Factory Automation Prospector Series Poppet Valves 1/4" to 2" Air Pilot Actuated 2/2, 3/2, & 4/2 Inline Valves

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