发明授权
US3625422A Multivalve thermostatic bellows steam trap 失效
多功能恒温蒸汽蒸汽分离器

Multivalve thermostatic bellows steam trap
摘要:
This invention is a steam trap having a thermostatic type of bellows with two or more discharge valves operated by a single bellows. The trap may also have a flexible valve operating bridge.
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