Specialist Suppliers of 
Industrial Controls

CEREX Butterfly Valve

CEREX Butterfly Valve
Product Description
Review and Rating
Resources
CEREX Butterfly Valve

Features:
- Resilient seated in accordance with EN 593
- Face-to-face length acc. to EN 558-1, 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-valve for: 
- 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 1 Torr
- Tight in both flow directions
- With bare shaft and actuator flange connection acc. to ISO 5211

Materials:
- Body: Ductile cast iron EN-JS 1030 (GGG-40)
- Disk: Stainless steel 1.4408
- Shaft end: Stainless steel 1.4021
- Collar: EPDM

Corrosion protection:
- Body: Inside and outside epoxy coating