Custom processing Xiamen double special brand models D343SH Material Stainless Steel Connection Type swash plate flange structure suitable for medium water pressure environment Pressure Operating temperature Room temperature Standard GB flow direction of the bidirectional drive manually D343SH double eccentric high performance butterfly Description: Bi-pressed hard seal flange structural steel double eccentric butterfly D343SH is our company developed products, through continuous improved, the product has a long-term practical verification, product performance in a leading domestic and international level, are widely used in drainage, metallurgy, petroleum, chemical, power, municipal on construction and other industrial pipe cut off or adjust the medium flow for use. Telescopic bi-flange type bidirectional sealing butterfly valve and pipe sealing expansion joints two products function as one solution, both from the truncation or regulation, but also to eliminate stress pipe installation, but also facilitate the installation and removal of the valve. Such a comprehensive technology development leisurely valve industry at home and abroad we pioneered and first production.