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Check Valves

 

 

Ball Check Valves

Swing Check Valves

Dual Check Valves

Axial Check Valves

Foot Valves

Tecofi » Check Valves - DN 10 to DN 1000 Brass, Cast Iron, Stainless

The choice of a Non Return Check Valve depends on a whole host of factors - fluid, velocity, pressure drop, opening pressure, orientation, cost etc.  We have an extensive range of different types of Check Valves that cover a huge range of different applications.  Ask our advice on the best valve for your duty.

Simple, time served designs from DN10 to DN1000.
Types and material variations to suit most process conditions.
Large UK valve stocks backed up by huge stocks at head office in France.


Ball Check Valves

A rubber coated ball is pushed up the housing by forward pressure.  On reversal the ball drops back onto the seat, sealing the flow.  A simply designed NRV for ascending or horizontal forward flow available flanged or screwed.

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Ball Check Valves

Swing Check Valves

A metal disc swings up like a door for forward flow and swings back into its seat to shut off.  Another simple design of Non Return Check Valves for ascending or horizontal forward flow available wafer pattern, flanged or screwed.

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Swing Check Valves

Dual Check Valves

Sometimes called a Butterfly Check Valve or a Twin Plate Check Valve, in the closed position two metal half discs are held apart by a spring (assisted by the reverse pressure), forward pressure causes them to pivot towards each other and swing off the seat.  These Wafer Type Check Valves are suitable for descending forward flow in some cases, also ascending or horizontal forward flow.

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Twin Plate Check Valve

Axial Check Valves

A range of None Return Check Valves with a spring loaded disc.  Forward flow pushes the disc from the seat, compressing the spring.  Reversal allows the spring to reseat the valve.  Good for ascending or horizontal forward flow and, for some duties with descending forward flow.  Available screwed, wafer and flanged.

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Axial Check Valves

Foot Valves

Foot valves are a combination of a check valve and a filter basket.  Generally used on the end of a dip tube to keep a pump primed and prevent solids from entering.  We can convert virtually any of our Non Return Valves to Foot Valves.

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Foot Valves

We believe we have the expertise to advise on the use of our ranges of Check Valves.  We look forward to discussing our Check Valves with you.

Surf our ranges of Non Return Valves

» Ball Check Valves
» Swing Check Valves
» Dual Check Valves
» Axial Check Valves
» Foot Valves

 

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Non return valves
from a UK valve expert.

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