DN20 SF6 Gas Hoses

DN20 SF6 Gas Hose – Description

A rubber hydraulic hose is commonly used when transmitting SF6 gas. Our self sealing DN20 fittings (popularized by DILO), are precisely manufactured in Italy by Electron System MD, which we are the North American manufacture rep for.  

What SF6 Gas Cart & equipment can be used with this?

• GasQuip Eqiupment
• Dilo trailers, carts, dollies, and other filling devices
• Enervac trailers, carts, dollies, and other filling devices
• Wika trailers, carts, dollies, and other filling devices
• Other SF6 gas cart manufacturers

The DN20 connection type is a very common SF6 reservoir connection in North America, found on a multitude of electrical switchgear brands.

DN20 “Tongue & Grove” Fittings:

This type of fitting is the commonly used in the field and has become an industry standard.  The two sizes typically seen are DN8 & DN20.  The 8 & 20 size designations are based on the ID of the fitting. These fittings work by utilizing a metal to metal seal when tightened. The tongue or raised portion can be found inside the female valve and the groove is on the male side. These types of fittings do well when vibration is present, under vacuum or positive pressure, and can remain tight under a large range of temperatures. The nice thing about these is that they cannot be over tightened and can be reused indefinitely, but the sealing surfaces must be kept clean.   Want to learn more about SF6 gas? Check out our blog.