Società Generale Impianti Gas

Via Fontana,18 – 20122 Milano (MI)
Italia
info@sgig.com
+39  0524  894111 

  • Italiano
  • English
  • Français
  • Italiano
  • English
  • Français

Check valves


Check valves

FEATURES

Check valves are special devices used to prevent a back flow of product in a pipeline. It is normally used for example ot prevent the outlet of LPG from a tank through the feeding line or the return of product through a pump. The direction of flow is clearly indicated on the valve and must be carefully checked during installation.
The body of this valve is fully machined, (it is not welded) thus resulting in a more robust structure with a lower risk of presence of cracks.

TECHNICAL CHARACTERISTICS

  • Max operating pressure(PS): 40bar;
  • Test pressure (PT): 57,5bar;
  • Max operating temperature (TS min/max): -10°/+50°C;
  • Liquid: LPG (mix Propano-Butano) e fluidi del gruppo 1 e 2;
  • PED cathegory: II^ category (Tab.6 e 7 all.II – pipes, art. 3, point 1.3, letter a), ).

FINISHING SURFACE

Galvanised, thickness of the protection leyer from12 to 16μm.

MAIN COMPONENTS

  • N.1 Valbe body in carbon steel, A105;
  • N.1 Shutter in stainless steel AISI 304;
  • N.1 Spring in stainless steel AISI 304.
  • N° 1 gasket, buna N.

On request:

  • -ANSI 300 flanges;
  • Viton gaskets.

REFERENCE STANDARDS

  • Directive machinery 2021/0105/COD
  • EMC 2014/30/UE
  • PED 2014/68/UE
  • ATEX 2014/34/UE
  • European Standard EN 14341:2006
  • European StandardEN 12516-2:2004

DIMENSIONS AND MODELS

 

Request information!


Società Generale Impianti Gas Spa


Registered Office: Via Fontana,18 – 20122 Milano
Operative Office: Via San Faustino 28 – 43036 Fidenza (PR)

Capitale Sociale/Share capital € 5.000.000,00 i.v.
P.iva/VAT Number: 01274370152

© SGIG. All rights reserved.
Credits.