FIELD: valve industry.
SUBSTANCE: invention relates to valve coupling for connection of pipe elements. Coupling includes valve body surrounded by coupling segments. Projections extend from segments and interact with channels in valve body. Interaction between projections and channels directs segments when they are tightened together to engage elements of pipes, and fixes valve body between segments. Also described is method of pipes connection to valve.
EFFECT: invention provides ease of installation without the need to tighten the fasteners.
45 cl, 16 dwg
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