Steel ball valves NAVAL

Ball valve NAVAL is a shutoff valve with the relevant recommendation of the Union of Heat. It can to use heat, heat, oil pipelines and oxygen-free water.

Main parameters:
DN 10 - 600;
PN 40,25,16;
T to +200C;
Connection: welded, threaded, flanged.
The types of the ball valves Naval:
1. Crane welded with handle DN 10-250, PN 40,25,16. It is recommended that the drive worm since type DN 125
2. Crane welded with internal thread DN 10 to 50, PN 40
3. Crane welded with the worm gear DN 125-600, PN 25,16
4. Valve with internal thread DN 10 to 50, PN 40
5. Flanged valve with handle DN 15 to 250, PN 40,25,16
6. Flanged valve with worm gear DN 125-600, PN 25,16

The body and fittings are welded into a single unit. Carbon-Teflon gaskets reinforced L - shaped rings are resistant to to wear, chemicals and pollution. Thanks and polished polished balls, made of stainless steel faucet easy to use and works reliably, and after many years of operation. Belleville springs press seal to the floating Orb. So by the way, the crane has a high density at low and high extremes pressure. Protivoyadii spindle is sealed by two O-shaped rings, of which the upper replaceable (in the modify DN 65-300 both replaceable).

Teflon gasket between the spindle and the spindle sleeve works also, as the sealing surface. Since modifications DN 65 the spindles are equipped with stainless bearing sleeve.

Properties:

The valve requires no maintenance, it is not necessary to tighten or grease. Long life, fast installation and low maintenance. High spindle with round external shape of the crane do insulation work easy. The handle is removable and can be moved 180 degrees. The construction doesn't have heavy and weak casting parts. The drive mechanism is easy to install even after installation of the crane.