bob综合体育官网下载
CEREX<sup>®</sup> 300 Butterfly Valve

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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...600

Productgroup: Butterfly Valves

Medium: Water

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.

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Sealing system/standard: Resilient seated in accordance with EN 593
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
As end-of-line valve for flange connection to pipeline flanges. Operation only permissible with suitable counter-flange. - DN 50-300: 16 bar - DN 350-400: 14 bar - DN 450-600: 10 bar
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
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: EPDM

Body: Internally and externally epoxy coated
Disk: Epoxy coated

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