500R系列是控制硫酸、鹽酸、氯氣等有毒、腐蝕性流體的控制閥。本體內(nèi)部接觸流體部位全部用聚四氟乙烯制造,填料部分也用聚四氟乙烯波紋管*密封。另外在聚四氟乙烯閥體外側(cè)加金屬外殼補(bǔ)強(qiáng),堅(jiān)固耐用。
This series provides globe type control valves for controlling corrosive and/or poisonous fluids. Body wetted parts are made of pure teflon and gland parts are completely sealed by bellows seal bonnet made of pure teflon. Body is coverd by cast iron or stainless body cover which is resistant to shock form outside.