Castel Type NC 1-1/8'' Diaphragm Pilot Operated Solenoid Valve 1099/9

Castel type solenoid valve is consist of Brass body, Stainless Steel plunger armature, coil and other parts.
The valve series 1034 ; 1038 ; 1040 ; 1048 ; 1049 ; 1050 ; 1058 ; 1059 ; 1078 (/11 , /13 , /M42) ; 1079 (/13 , /M42 , /17) ; 1098/9 ; 1099/11 are piston pilot-operated valves. Their operation depends not only on the magnetic field produced by the current flow into the coil, but also on a minimum inlet pressure, which is necessary to:
• open the piston and keep it lifted off the main opening
• close the piston and ensure the tightness on the main opening
Opening/closing of main valve seat is controlled by the piston, while opening/closing of pilot seat is controlled by the mobile plunger of the coil.

Working mechanism of various components of fresh air system
Indoor host: When the main engine is running, outdoor fresh air is introduced from the window feeder, under the pressure field formed by the main machine, to the indoor activity area to meet the needs of personnel activities, after which the dirty air passes through the exhaust vent and the exhaust duct to the outdoor .

Wall-type air inlet; opening holes in the wall, introducing fresh air outside, indoor air passing through the wall air inlet will be filtered out of dust, odor, pollen particles, etc., to ensure that the air entering the room is fresh and pure.

Indoor exhaust vents: The exhaust vents can be placed on the exhaust duct or bathroom wall, and the user can eliminate indoor dirty air and odor.

Control switch: Turns the system on or off.

Exhaust duct: transports dirty indoor air to the outside.

Dimension:

Technical Data:

Installation:
Before connecting the valve to the pipe, it is advisable to make sure that the refrigerating system is clean. In fact, valves with P.T.F.E. gaskets, and particularly piston valves, are sensitive to dirt and debris. Furthermore, check that the flow direction in the pipe corresponds to the arrow stamped on the valve body. All the valves can be mounted in any position so long as the coil does not point downwards. The brazing of valves with solder connections should be carried out with care, using a low melting point filler material. It is not necessary to disassemble the valves before brazing, but it is important to avoid direct contact between the torch flame and the valve body, which could be damaged and compromise the proper functioning of
the valve.
Before connecting a valve to the electrical system, be sure that the line voltage and frequency correspond to the values marked on the coil.

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