Valve MVI 1/2`` gas in-in, butterfly BV.813.04

Артикул: BV.813.04

#	Feature	Value
1	Operating temperature range (water), ° С	-10 ÷ 110
2	Operating temperature range (gas), ° С	-20 ÷ 60
3	Nominal working pressure PN (water), bar	25
4	Nominal working pressure PN (gas), bar	5

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Overview

Cranes are used as shut-off valves on pipelines low and medium pressure gas supply systems, both natural and and liquefied petroleum gas. Allowed to use tap on pipelines of cold and hot water, compressed air, liquid hydrocarbons.

Model overview

Those. information

The cranes must be operated under the conditions specified in table of technical characteristics. It is not allowed to operate valves with a loose nut. attachment of the handle, because this could damage the stem. It is strictly forbidden to allow the working environment to freeze. inside the tap. When draining the system in winter, the valve must be left half-open so that the work environment does not remain in cavities behind the shutter.

Materials

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#	Part name	Material	Material grade according to norms
#	Part name	Material	RF	EN
1	Large semi-hull	Brass	ЛС-59-1	CW617L
2	Small semi-hull	Brass	ЛС-59-1	CW617L
3	Seat Rings	Teflon	Teflon	PTFE
4	Ball Valve	Brass	ЛС-59-3	HPb-56-4
5	Stock	Brass	ЛС-59-3	HPb-58-3
6	Stem Seal	Elastomer	Rubber	NBR
7	Stem Seal	Elastomer	Viton	FKM
8	Nut	Steel	Steel	Q235
9.1	Butterfly	Aluminum Alloy	-	-
9.2	Handle	Steel	Steel	Q235