污水處理設備 污泥處理設備 水處理過濾器 軟化水設備/除鹽設備 純凈水設備 消毒設備|加藥設備 供水/儲水/集水/排水/輔助 水處理膜 過濾器濾芯 水處理濾料 水處理劑 水處理填料 其它水處理設備
九特閥門集團有限公司
九特閥門集團有限公司
A21F,A21H-Cissuitableforoperatingtemperatureslessthan200degreesintheair,equipmentorpipelineammonia,LPGmedia
A21F, A21H-C is suitable for operating temperatures less than 200 degrees in the air, equipment or pipeline ammonia, LPG media. A21W-P, R type is suitable for a temperature of 200 degrees or less corrosive gas or liquid equipment or pipeline, as the overpressure protection device. KA21Y is suitable for a temperature of less than or equal to 100 degrees of liquefied petroleum gas.
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