摘要：Industry standard maintenance tool，Square or round sizes，Handles heavy-duty and/or abrasive materials，Narrow profile，Positive seal

Gravity flow。

Industry standard maintenance tool，Square or round sizes，Handles heavy-duty and/or abrasive materials，Narrow profile，Positive seal to atmosphere，Close through materials，Easy manual actuation，Custom flange patterns，Can be modified for high temperatures，Blade position feedback，Protection from the environment，Operator safety。

来源：汉时梦回秦时月