english 
Product introduction
APL312 Limit Switch Box is a field instrument used to detect valve status in the automatic control system. The open or closed position of the valve is output with the switch signal. The remote control receives or the computer searches for samples, and the next procedure is executed after confirmation. APL312 Limit Switch Box can also be used as important valve interlock protection and remote alarm indication in the automatic control system.
Features:
1. The three-dimensional position indicator can clearly display the position of the valve.
2. Die-cast aluminum alloy shell, powder coating, compact design, beautiful appearance, reduced valve packaging volume, and reliable quality.
3. Two-wire interface, double 1/2 NPT pipe interface.
4. Signal feedback device.
5. The switch position can be clearly identified by the indicator.
Specification
1. Good quality at a favorable price
2. CE Certificate and ISO9001:2008
3. Fast delivery
4. Excellent After-service
FAQ
Q 1: Payment terms capacity?
A 1: T/T, L/C, Western Union.
Q 2: Trade terms?
A 2: In according with Incoterms 2010, normally with EXW, FOB shanghai, CFR, CIF, and DDU.
Q 3: Validity of quotation?
A 3: Within 30 days.
Q 4: Modes of shipment?
A 4: By sea, by air, by express, or by railway.
Q 5: Warranty?
A 5: One-year quality warranty for free, and lifelong paid service.
Q 6: Installation and training?
A 6: normal video guidance for installation. If necessary, paid overseas engineering service is provided.
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