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Nominal Pressure: PN10/PN16
Operation Temperature: -10°C~150°C
Suitable Medium: Water,Sewage,Seawater,Gas,Food,Oils,etc.
Design Standard: GB/T 12238-2008
Structural Length: GB/T 12221-2005
Top Flange dimensions: ISO5211
Face to face dimensions: GB9112,DIN2501,BS4504,ISO2084,ANSI125
Type of connection: Flange Type
Product structure: all rubber lined butterfly valve chamber using advanced heat vulcanization process, no mechanical reinforcement embedded in the body, improve the reliability of the seal, the media completely isolated from the casting, not pollution medium, and the rubber lining, coated on both sides to the flange seal face when installation without sealing gasket, loading and unloading easier and more convenient for maintenance and replacement.
The characteristics of the valve cavity, the valve cavity internal fasteners, not because of loose working medium scour, vibration occurred in the valve, fundamentally eliminate the loose due to mechanical connection or the possibility of failure causes accidents.
Valve design: butterfly valve design and manufacturing of GB12238-89 standard, adopt the advanced computer aided technology, reasonable design, big flow area, sizing smooth transition, small flow resistance, simple and compact structure, convenient operation, flexible seal, zero leakage.
Valve casting technology and materials: the body and the flange is made of whole casting process after the current international most advanced casting resin sand casting process, no blister, no pores, beautiful shape, improved the casting quality of the product.
Stem design and material: according to GB12228-2008 standard for design, fully meet the parameters of the minimum diameter valve shaft torque requirements, material is made of high quality carbon steel manufacturing, prolong the service life of the valve.
Stem bushing design and materials: the body bearing manufactured material with self-lubricating ability, valve shaft and valve plate connection, USES the pin connection or USES the close coordination of square tenon structure without pin,.
Butterfly valve installation: no medium to request, to achieve reliable positive and negative two-way sealing, can be installed in vertical or horizontal, can also according to customer requirements supporting anchor bolt and nut, more suitable for the overall installation and maintenance of butterfly valve.
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