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APU-XP Automatic Pump Unit
Brand: Williams Chemical Metering PumpsThe APU series automatic processing unit is designed to automate pneumatic metering pumps. The APU accepts a linear 4-20 mA signal from a process flow meter and operates a pneumatic metering pump to operate proportional to the input signal. This is accomplished by the use of a normally closed, 3-way.
Features- Explosion Proof Class I, Groups B, C, D Class II, Groups E, F, G Class III CENELEC: EExd IIC, IP66
- Weatherproof Enclosure NEMA 4, 7BCD, 9EFG
- Corrosion resistant, powdercoat finish
- Provides pulse rate output proportional to a process signal
- Reduced chemical usage by operating proportional to the process flow
- Compact unit, ideal for offshore and plant installations
- Exterior mounting lugs for easy installation
Specifications
Approvals & Certifications
- ATEX
- CENELEC: EExd IIC
Environmental Protection
- CENELEC: IP66
- NEMA 4
- NEMA 7 B, C & D
- NEMA 9EFG
Power Supply
- 12 Vdc
- 120 Vac
- 220 Vac
- 24 Vdc