The pure gum rubber sleeve of the Type A Valve offers excellent abrasion resistance, and since the Type A uses only air pressure to operate, there are no moving parts to break or wear out.
型夹管阀采用的纯树脂橡胶具有优异的抗磨损能力，因为A型夹管阀只是采用气压进行操作，因此没有活动部件会断裂或磨损。
The invention advantageously prevents the brush sleeve (6) from moving beyond the safety position if it is released as a result of a fault.
通过本发明能够有利地避免所述刷套(6)在其因故障而松开时越过保险位置移动出去。
The invention advantageously prevents the brush sleeve (6) from moving beyond the safety position if it is released as a result of a fault.
通过本发明能够有利地避免所述刷套(6)在其因故障而松开时越过保险位置移动出去。
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