凸面阀座。阀座周围的槽将颗粒收集起来，并排挤到闸刀旁边，以避免出现堵塞。当阀门开启时，流体介质压力就会清洗槽内的颗粒。

Raised-face seat. A groove around the seat collects particles pushed aside by the knife and prevents clogging. When the valve opens, media pressure cleans the groove.

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全不锈钢耐震压力表，可对介质及周围环境均有腐蚀性的气体或液体进行测量，并用于有动载荷及振动的测量场所。

All Stainless Steel Vibration-proof pressure gauge could measure the pressure of the corrosion gas liquid be applied to the occasion with dynamic load vibration.

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全不锈钢防腐压力表，用于测量有较强腐蚀性的气体或液体介质及周围环境腐蚀性强的场合。

All Stainless Steel Vibration-proof pressure gauge could measure the pressure of the corrosion gas and liquid or be applied to the occasion with dynamic load and vibration.

youdao

全不锈钢防腐压力表，用于测量有较强腐蚀性的气体或液体介质及周围环境腐蚀性强的场合。

All Stainless Steel Vibration-proof pressure gauge could measure the pressure of the corrosion gas and liquid or be applied to the occasion with dynamic load and vibration.

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