Brass Float Valves for Water Tanks

Brass float valves for water tanks N10174002 is a design for Britain and European market, long threaded end make easier and safer connection to pipelines, PN16 working pressure, sizes from 1/2" to 2 inch float valve. There three kinds of floating balls (brass float valve with copper ball, brass float valve with plastic ball, brass float valve with stainless steel ball) to select.The brass float valve is flexible and durable with high precision control. We leakage test each float valve during production to ensure reliable quality.

The floating ball always floats on water, and when the water surface rises, the floating ball also goes up. As the ball rises, the connecting rod also rises. The connecting rod is connected with the brass valve at the other end. When it rises to a certain position, the connecting rod supports the piston pad to close the water source. When the water level drops, the floating ball also drops, and the connecting rod drives the piston pad to open.

Different functions and applications require different valves, for example,  water brass float valves for water tanks, gas brass float valves for water tanks, sanitary brass float valves for water tanks,  PEX brass float valves for water tanks, tail brass float valves for water tanks.

Depending on pipeline pressure needs, the brass float valves for water tanks are designed with valve wall thickness and port sizes. There are low pressure ball valves, middle pressure ball valves, high press ball valves, super-high pressure ball valves. PN16 brass float valves for water tanks are mainly used for domestic and plumbing applications.

There are three different types of brass float valves for water tanks:

1). Full bore brass float valves for water tanks offers no flow restriction, which means that when it is open, the liquid can flow freely through it. This is achieved by making the ball larger than the passage size, so that the hole can be the same size as the passage. 

2). Standard bore brass float valves for water tanks does not have an over-sized diameter, and as a result, the hole is one size smaller than the passageway. This creates a small amount of flow restriction as the fluid passes through. 

3). Reduced bore brass float valves for water tanks, on the other hand, has an smaller diameter and an even smaller hole, which creates significant flow restriction as the fluid passes through it.

Thread types differ from markets and applications: BSP threads for Europe and NPT threads for North America, also other metric threads, which you must confirm before buying brass float valves for water tanks.

We currently work with HPb57-3 brass float valves for water tanks for most customers in Europe and Asia, CW617N brass float valves for water tanks for Europe, C377700 and lead free brass for North America.

Rough brass color, nickel-plating, and chrome-plating are most widely used surface treatments for brass float valves for water tanks. Plating helps to protect the brass valve from oxygen and look shining.

There are currently three optional types of floating balls: copper ball, plastic ball and stainless steel ball. The costs differ much, plastic one is most economical and more used for common use.

1. Before installing brass float valves for water tanks, clean and remove any objects from the pipes (in particular bits of sealing and metal), which could obstruct and block the valve.

2. Ensure that both connecting pipes either side of the valve (upstream and downstream) are aligned (if they are not the brass float valves for water tanks may not work correctly).

3. Make sure that the two sections of the pipe (upstream and downstream) match, the brass float valves for water tanks will not absorb any gaps. Any distortions in the pipes may affect the tightness of the connection, the working of the valve and can even cause a rupture.

HPb57-3, HPb58-3, HPb59-1, HPb59-3 are most common materials used for brass float valves for water tanks China, which are acceptable for most countries in the world, except for those customers have special requirements.

HPb57-3, also called China Normal brass, a variant of CW614N brass, is a local industry standard, with little Fe contents in composition, and lower costs than CW614N. It’s widely used as a standardized material in China and accepted by most global markets and customers.

HPb58-3, is a variant of CW617N brass and commonly used for brass float valves for water tanks in China local market.

HPb59-1, has less Fe, Pb and higher price costs, it’s more used for high-quality products or market, such as brass fittings for USA market.

CW614N and CW617N brass materials are widely used for European brass float valves for water tanks.

CW617N brass has better physical property to stand higher working pressure and temperature, more importantly the Pb percentage share is less than 2.5% and applicable for drinking water systems, good for environment and people’s health.

CW614N Brass is also popularly used because of similar compositions and lower costs, suitable for those applications without much environmental requirements.

C46500 and C377700 are most widely used materials for USA brass valves.

As a requirement of AB1953 regulations, all the brass valve parts which contact the water shall have Pb content less than 0.25%, also called lead-free brass or no-lead brass, all the brass water valves for USA market, such as brass ball valves, brass gate valves, brass check valves, brass angle valves, brass float valves for water tanks, have been compulsory to use lead free brass.

For those brass valves not for water use, such as brass radiator valves, heating valves, C377700, or China standard HPb59-1 brass materials are workable.

Rough color is brass float body sandblasted and without plating.

Electroplating (nickel-plating and chrome-plating) can enhance the corrosion resistance of brass float valves, increase hardness, prevent abrasion, improve conductivity, smoothness, heat resistance.

1. Brass raw materials are bought from local suppliers in forms of brass bars.

2. Brass bars are cut into smaller pieces with different sizes according to order requirements, heated with natural gas.

3. The heated brass bars are forged by forging machines, Out-comings are semi-finished rough brass float valve bodies.

4. The rough brass float valve bodies are trimmed and cut off unnecessary parts.

5. The rough brass float valve bodies are washed with sanding machines, to clean the dirty and oils during production.

6. The rough brass float valve bodies are machined by CNC machinery for threads and dimensions.

7. The machined  brass float valve bodies are nickel- or chrome-plated.

8. The brass valves are ready for delivery after final finished goods quality inspection.

We pack brass float valves for water tanks in small inner boxes, then put into outer cartons, finally load in wooden pallets.

It will protect the goods well and can avoid damages and wet.

Our test laboratory equips with various devices for brass float valve quality inspect and control, as well as new product development.

Equipment include material spectrometer analyzer, flow rate tester, torque tester, body resistance tester, endurance tester, high-low temperature tester.

These equipment enable us to analyze brass float valve material compositions and type tests according to related standards, ensure our brass float valves for water tanks are correctly designed and produced.