Top Gas
Full bore ball valve for fuel gas professional series
The Topgas series is a range of full bore ball valves for gas suitable for professional use made in accordance with the EN 331 standard.
It is suitable for all types of gas (city, methane and liquid gases) as well as hot and cold water and compressed air distribution systems.
The ball valves of the Topgas series have been designed to meet the needs of customers looking for a product of high quality and reliability together with a good level of competitiveness.
Material specification
Approved to EN 331
|
COMPONENT |
MATERIAL |
DESCRIPTION |
||
|---|---|---|---|---|
| 1 | BODY | CW 617 N UNI EN 12165 | FORGED, NICKEL-PLATED | |
| 2 | END ADAPTER | CW 617 N UNI EN 12165 | FORGED, NICKEL-PLATED | |
| 3 | BALL | CW 614 N UNI EN 12164 | MACHINED, CHROME-PLATED | |
| 4 | BALL GASKETS | P.T.F.E. | PURE | |
| 5 | STEM | CW 614 N UNI EN 12164 | MACHINED | |
| 6 | THRUST WASHER | P.T.F.E. | PURE | |
| 7 | O-RINGS | ELASTOMER | SUITABLE FOR USE WITH GAS EN549 | |
| 8 | LEVER HANDLE | ZINC-PLATED STEEL | PVC INSULATED | |
| LEVER OR T-HANDLE | AL UNI5076 | PAINTED | ||
| 9 | SELF-LOCKING NUT | 8G STEEL | ZINC-PLATED |
Characteristics
| INTERNATIONAL APPROVALS | The TOP GAS valves are approved to the EN 331 standard . The TOP GAS valves gained official approvals in various countries for use with gas. |
| END CONNECTIONS | Screwed to UNI EN 10226 (BSPT on request). |
| USES |
Fuel gas:
The TOP GAS ball valves are also suitable for hot and cold water, compressed air, oils and hydrocarbons in general. |
| WORKING PRESSURE | For fuel gas 5 MOP. For other uses from PN 50 (1/2”) to PN 16 (size 4”). See pressure/temperature diagram. |
| TEMPERATURE LIMITS | For fuel gas from -20°C to +60°C. For other uses from -20°C to + 130°C. See pressure/temperature diagram. |
Pressure/temperature diagram
(tested with water)
Head loss diagram
(tested with air)
