BUTTERFLY AND DIAPHRAGM VALVES FOR WATER AND CHEMICALS
 


 


PRODUCTS

Selecting the most appropriate materials to resist the corrosion due to the medium is the first priority to insure a trouble-free operation of the plant. For such critical application, FAMAT will select the appropriate material.


Diaphragm valves

For small sizes up to 3'', using diaphragm valves is the simplest and most economical way to control a flow. Even for larger sizes up to 12'', diaphragm valves would be preferred to butterfly valves for liquids charged with solid particles.

Different materials can be choosen for the body:

  • Cast iron
  • Ductile iron
  • Stainless steel


Which can be lined with rubber or halar.

A large selection of elastomers or PTFE can be selected for the diaphragm.

Pneumatic actuators (double-acting, fail-safe to close or open), and accessories (solenoid valve, limit switch, emergency hand wheel) will allow to automatize easily the process.

 


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Butterfly valves

Butterfly valves are now replacing more and more the traditional gate valves for all applications involving water up to 100°C and 16bar. Advantages are evident:

  • smaller sizes and weights
  • lower costs
  • regulating function

Nevertheless, a careful selection of the materials should be done, to avoid corrosion . FAMAT offers the largest choice of materials in order to guarantee a secure and long-lasting trouble-free functioning. The objective of FAMAT is to offer products ‘’Fit for purpose’’, guaranteeing the necessary performance at minimum of costs. A large stock of all components in all materials, allow a short delivery.
Bodies can be supplied in:

  • cast iron
  • ductile iron
  • cast steel
  • stainless steel 304 or 316
  • all alloys

 


The sleeves, which will protect the body from the medium, will be selected from following elastomers:

  • NBR (black or white)
  • EPDM (black or white)
  • Natural rubber
  • Viton
  • Polyurethane
  • Silicone
  • Epichlorydrine
  • Hypalon
  • EPDM for food

Disc will be supplied in:

  • Aluminium - Bronze
  • Ductile iron epoxy coated
  • Stainless steel 316
  • Hastelloy
  • Uranus B6
  • Titanium

The mounting can be chosen between:

  • Wafer type

  • Lug type

  • Double flanged

 

All sizes from DN32/40 up to DN2000 are available.
A large range of accessories (electric and pneumatic actuators, limit switches, solenoid valves, etc) allow us to fulfil all requirements at short delivery and low cost.


 

 

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