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More than 50 years working for their safety. We are experts in Float Valves

What float valves are appropriate for?

Float valves

As float valve manufacturer, over 50 years, Zaes brass and stainless Steel float valves are direct actuation. They are suitable for tank water, neutral liquids and fuels filling.

We make both silicone seat float valves and FPM seat float Valves for proper operation depending on the fluid to be controlled and the conditions thereof.

Regarding conexions we machine all common connections: float valves are threaded (BSP or NPT).

And all this together with the wider range of sizes and pressures from 1/2 “to 2” (DN15 to DN50) and a maximum working pressure of 10 bar (145 PSI). They amply cover the most demanding needs.

Zaes Valves - Válvulas de seguridad

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Float valves with threaded connection BSP or NPT

Industrial float valve body made out of cast stainless steel AISI 316. Tilting shutter clapper type with elastomer (silicone or FPM) seat, these valves are full bore with progressive closure. Intended for level control in tanks of water and other fluids.

Rod and removable seats for maintenance and / or more comfortable and faster replacement.

Float valves with sliding brass float

Industrial float valve body made out of die cast brass. Double guided shutter with elastomer seat, these valves are indicated for hard water applications in which a lower thicknesses valve would be short life and malfunction.

Intended to control level in tanks of water and sliding buoy regulation opening and closing according customer needs.


Cooling towers

Efficient air conditioning of large spaces is undoubtedly one of the key in the next future by not using refrigerant gases. For this type of equipment Zaes float valves for cooling towers offer a solution to control the water level demanded by the towers and allow the correct operation thereof.

Drinking water tanks

Distribution and suitable treatment of drinking water requires anticorrosion valves that do not harm the environment. Zaes float valves for drinking water may control the levels of storage tanks with total guarantee.

Food Additives

Thanks to full bore diameters offered by Zaes float valves for food additives,user can control and regulate the levels in the tanks of such additives.


Today oil is perhaps the most important power in the modern world.

From extraction to refining processes, Zaes makes available a wide range of commercial products for every related industries such as petrochemical storage and distribution of transportation fuels. Zaes Float valves for fuel tanks cover the most demanding requirements of the fuel industry.


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