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What service valve should be installed on gravity fed systems?
Wiki User
∙ 13y ago
Normally a gate valve as it offers positive shut off and a globe valve is used to throttle down the velocity to prevent excessive velocity. It all depends on the height of the main riser as a balancing valve may have to be installed if the height is excessive and makes opening a gate valve really difficult
Wiki User
∙ 13y ago
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