FLOWSPE HH49X micro-resistance slow close check valve is applicable to clean water, sewage, seawater drainage pipeline to prevent of backflow and water hammer, achieving protecting the pipeline to run safely. HH49X micro-resistance slow close check valve has many advantages, such like small volume, light weight, power saving, small fluid resistance, new structure design, good sealing, smooth open and close, wear-resisting, long service life, oil pressure or slow close is not effected by fluid.
Technical Specifications
Nominal pressure: 10bar/16bar/25bar/class125/class150/class250
Nominal size: DN40 (1-1/2”) ~ DN1000 (40”)
Design & manufacturing: FS-2000
Face to face: GB/T 12221
Flanged ends: GB/T 17241.6, GB/T9113, ANSI B16.1, ANSI B16.5, DIN2501, BS4504, EN1092-2
Inspection & test: GB/T13927, API598
Applicable medium: water, sea water, sewage
Applicable temperature: 0~80℃
Materials: cast iron, ductile iron, cast steel
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