Automatic Nozzle

XIDE-80 automatic nozzle is a kind of nozzle that shut off automatically when spout touch surface of liquid, avoiding liquid overflow, keeping space clean.

1 CONSTRUCTION AND PRINCIPLE

 1. spout 2.body 3.check valve 4.diaphragm5.main valve 6.swivel 7.guard 8.level

1.2 PRINCIPLE 

Starting the fueling dispenser, opening automatic nozzle, the level will drive the shaft move ahead. The shaft drive two rollers and sleeve move ahead, and petrol under pressure open main valve and flow out from spout. When petrol flow through main valve, flow section is decreasing rapidly, flow rate increases instantly, pressure go down at once. Meiobar is come into being, and ventilate to chamber above diaphragm and hole on spout. When the surface of liquid level and foam not reaching the hole, meiobar ventilates. when the surface of liquid level and foam touching the hole, meiobar can not ventilate. The chamber above diaphragm become negative pressure. The diaphragm and roller go up, the brass sleeve move back on the stress of spring, and then the main valve is closed. At same time shaft also move back on the stress of spring, the automatic nozzle shut off.

2 MODEL AND PARAMETER DATA 

3 PARAMETER DATA

4 INSTALLATION 

·Install and work directly, Lubrication not necessary, 

·When connecting automatic nozzle and hose, use wrench to tighten the hose coupling. using shaft tools to lock the level is prohibited 

·If the thread of swivel is NPT, before installation, daub little sealant, not too tight, no Teflon tape to avoiding damage to swivel. 

5 OPERATION 

·Three position for fueling on three flow rates available on the automatic nozzle, 

·During fueling, when the hole on bottom of spout is under the liquid surface, the automatic nozzle will be shut off automatically. If foam causes the shutting off of automatic nozzle, open the nozzle again until the foam disappeared.

6 MAINTENANCE 

·Keep the hole on the bottom of spout unblocked. Once the hole is blocked, the automatic nozzle can not well work.

·After service, put the automatic nozzle back to nozzle boot, avoiding damage.

·Lubrication not necessary, long time service. 

ZHEJIANG MAIDE MACHINE CO.,LTD.

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