D971J Electric Full Rubber Lined Butterfly Valve

Product Description

The rubber-lined butterfly valve’s disc-shaped butterfly plate is positioned in the pipeline’s diameter direction within the cylindrical channel of the valve body. The plate rotates around its axis, with a rotation angle ranging from 0° to 90°; when rotated to 90°, the valve is fully open. Typically, this type of rubber-lined butterfly valve should be installed horizontally in pipelines. Comprising a rubber-sealed butterfly valve and a carbon steel or stainless steel valve plate and stem, the entire assembly is suitable for applications such as food, pharmaceuticals, chemicals, petroleum, power generation, textiles, paper production and other water supply and drainage systems as well as gas pipelines for flow regulation and media intercept.

Standard Specifications
Manufacturing Inspection Standards: GB/T 12238-2008
Structural Length Standards: GB/T 12221-2005
Flange Standards: GB/T 9113
Pressure/Temperature Rating Standards: GB/T 12224-2005
Testing Standards: GB/T 13927-2008
Detection Test for Lining Layer: Electrical Spark Detection
Testing and inspection are conducted in accordance with Standard GB/T 13927.
Nominal Pressure: PN (MPa)
Body：PN×1.5
Seal：PN×1.1

Part Materials & Working Condition
Body: Cast Steel, Nodular Cast Iron, Carbon Steel, Stainless Steel
Disc: Cast Steel, Nodular Cast Iron, Carbon Steel, Stainless Steel, Full Rubber or Fluoroplastics
Stem: Carbon Steel Nickel Plating Wire, Stainless Steel
Seat Seal Ring: NR, CR, NBR, EPDM, FKM model
Worm Gear: Assembling Unit

Butterfly Valve Seal Materials Select-use & Applicable Temperature