Valve MVI 1`` gas in-ex, butterfly BV.814.06

Артикул: BV.814.06
# 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

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


Материалы
# Part name Material Material grade according to norms
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
Dimensions


Dimensions
Dimensions
Size D L L1 L2 H
½" 14 63,5 13,5 52 40,3
¾" 18 69,5 14,5 52 42,8
1" 23 81,5 16 66 52,7

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Colors

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