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bob综合体育官网下载 CEREX® 300-L Butterfly Valve disk made of ductile iron - lug-type

PN: 10/16 - DN: 50...300

Productgroup: Butterfly Valves

Medium: Gas

Resilient-seated, lug-type butterfly valve for flange mounting to pipelines; disk with centric bearing; suitable for use in water applications. With replaceable liner mounted on a vulcanised seal carrier ring, and disk with triple bearing. Suitable for use in water treatment, water distribution, in dams, power plants and in industry.
  • Sealing system/standard: Resilient seated in accordance with EN 13774 (DIN 3352 - 4A)
  • Face-to-face length: acc. to EN 558, basic series 20 (DIN 3202 / K1)
  • Lug-type for flanges acc. to EN 1092-2
  • Centric disk, mounted in three maintenance-free bearing bushes
  • For bolting between pipe flanges
  • Replaceable rubber sleeve with integrated seal for functionally reliable use for flared flanges, welding flanges, PE flanges as well as loose flanges with V-collar
  • Stable sealing seat due to collar with vulcanized support ring
  • Vacuum tight up to 0,1 bar absolute
  • Tight in both flow directions
  • For gases according to DVGW Guideline G 260
  • Triple shaft bearing
  • Body: Ductile iron EN-GJS-400-15 (GGG-40)
  • Disk: Ductile iron EN-GJS-400-15 (GGG-40)
  • Shaft end: Stainless steel 1.4021
  • Collar: NBR
  • Body: Internally and externally epoxy coated
  • Disk: Epoxy coated
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