止回阀
卧立两用止回阀铜丝口止回阀碟式止回阀铜升降式止回阀橡胶排污止回阀旋启式衬胶衬氟止回阀浮球式衬胶衬氟止回阀升降式衬氟衬胶止回阀德标升降式止回阀防水锤消声止回阀夹套保温止回阀对夹式消声止回阀高温高压止回阀旋启式高压止回阀升降式高压止回阀对夹式高压止回阀内螺纹止回阀微阻球形止回阀升降式止回阀立式止回阀对夹高压止回阀对夹升降止回阀对夹圆片式止回阀旋启式止回阀对夹蝶式止回阀橡胶瓣止回阀滚球止回阀球形止回阀消声止回阀静音止回阀大口径静音止回阀缓开快闭止回阀蝶式双瓣消声止回阀微阻缓闭止回阀蝶式缓冲止回阀限流止回阀静音止回阀旋启式止回阀微阻球形止回阀球形止回阀铁壳铜芯消声止回阀不锈钢消声止回阀对夹蝶式双瓣止回阀橡胶瓣止回阀全铜消声止回阀对夹蝶型旋启式止回阀对夹圆片式止回阀对夹升降式止回阀全铜对夹升降式止回阀微阻缓闭式止回阀立式止回阀升降式止回阀微阻缓闭止回阀斜盘式止回阀定压止回阀抽气止回阀低阻力倒流防止器底阀角式止回阀
