Shenyang Academy of Instrumentation Science Co., Ltd.  

Product Name: Hydroformed metal Bellows (HB Series) Model NO.: HB Series Head Type: Round Surface Treatment: Polished Connection: Welding Material: Stainless Steel Standard: DIN Trademark: HB Transport Package: Carton Specification: ISO9001 Origin: Shenyang, China HS Code: 8481909000 Product Description FeaturesSingle-layer and Multi-layer designHigh flexibility and longer cycle life for the bellows and bellows assemblyThe cycle life is over 5000 cycles under nominal pressure and movementIndividual require of the bellows and bellows assemblies with flanges can be met by the especial design techniqueItemSpecificationsApplication RangeThe products could be used on bellows-type cut off valve, bellows-type gate valve and bellows-type regulating valve.Nominal Diameter Of Valve (mm)DN15 - DN250Nominal Pressure Class (MPa)PN1.6, PN2.5, PN4.0, PN6.4, PN10.0, PN14.0The bellows are designed to withstand external pressure, and the design pressure class is one and a half times of that of nominal pressure class.Operation Temperature-196ºC - 300ºCMovementThe design movement ( compression ) is larger than the minimum movement while turning on the valve.Cycle lifeThe cycle life is over 5000 cycles under nominal pressure and movement.MaterialSS304, SS316L, SS321