天津市塘正閥門有限公司是生產(chǎn)軟密封閥門的專業(yè)廠家，注冊商標(biāo)為“”字牌，主要產(chǎn)品有蝶閥、法蘭蝶閥、溝槽蝶閥、信號蝶閥、電動蝶閥、氣動蝶閥、蝶式止回閥、溝槽閘閥等50余種型號600多個規(guī)格、均按照國家標(biāo)準(zhǔn)生產(chǎn)及定做異型閥門并取得ISO9000系列標(biāo)準(zhǔn)認(rèn)證。一九九九年被天津市技術(shù)*評為“天津市振興質(zhì)量示范企業(yè)示范產(chǎn)品”的光榮稱號，產(chǎn)品廣泛適用污水、水、油、蒸汽等介質(zhì)。

對夾式蝶閥止回閥采用*進(jìn)結(jié)構(gòu)設(shè)計(jì)，符合有關(guān)標(biāo)準(zhǔn)系屬節(jié)能型產(chǎn)品。此產(chǎn)品止回性能好、安全、可靠、流阻小，主要適用于石油、化工、食品、醫(yī)藥、輕紡、造紙、給排水、冶凍及能源等系統(tǒng)，作為單向閥使用。

Wafer butterfly check valve a save-energv product，is manufactured based on the  foreign advanced technology and in accordance with relative international standards.This product is featured by excellent retaining performance，high safety and reliability and low flow resitance.it is suitable for systems in the industries of perochemical，food processing，medicine，textile，paper-making，water supply and drainage，metallurgy，energy and lightindustry etc used as a check valve in one way.