Check valve with lever and weight, type 4010
Check valve with lever and weight, type 4010
Type 4010 is a double flanged and double eccentric valve used as a check valve that permits medium flow in only one direction and prevents the flow from reversing. The flow opens the valve in the desired direction, while back flow forces the valve to close. Full tightness is ensured by an elastomer-to-metal design. The valve is equipped with a disc position indicator. The operation is by means of a lever counterweight.
General information
- Double offset bearing of the disk in the body in maintenance-free bushes
- Medium-free bearing by triple O-ring seal and closed bearing lugs at the disc
- Wear-resistant, corrosion-resistant and infiltration-proof seat
- Anti-blowout shaft and shaft seal
- With lever and weight
- Tightness according to DIN EN 12266-1, leak-rate A
- Tight in both flow directions acc. to EN 1074-2
- Flange connection dimensions to EN 1092
- Body: ductile cast iron GGG40
- Disc: ductile cast iron GGG40
- Body seat: NiCr stainless steel welded overlay finish, micro finished
- Disc seal: EPDM
- Valve shaft: stainless steel 1.4021
- Bolts in contact with the medium: stainless steel 1.4301
- Shaft bearings: maintenance-free zinc-free bronze
- Certificate: EN 10204 3.1
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