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LKC-2 Non-return Valve

Application
LKC2 1Non-return valve LKC-2 is designed for use in stainless steel pipe installations to prevent reverse flow.

Working principle
LKC-2 opens when the pressure below the valve plug exceeds the pressure above the plug and the spring force.
The valve closes when pressure equalization has been achieved. A higher counter pressure will press the valve plug against the seat.

Standard Design
The valve body is in two parts, assembled by means of a clamp ring and hygienically sealed with a special seal ring. A guide disc and four legs guide the spring loaded valve plug with an O-ring seal. LKC-2 has welding ends for ISO or DIN connections.

Materials
Steel parts: . . . . . . . . . . . . . . . . . . .Stainless steel 1.4301 (304) or acid-resistant steel 1.4404 (316L).
Seal rings: . . . . . . . . . . . . . . . . . . . .EPDM rubber.
Finish: . . . . . . . . . . . . . . . . . . . . . .Semi bright.

Connections
The valve is available with welding ends for tubes according to ISO and DIN 11850.

Technical data
Required differential pressure for opening the valve when fitted in a vertical pipe, as shown in fig. 3, is approx. 6 kPa (0.06 bar).
Max. product pressure: . . . . . . . . . . .1000 kPa (10 bar).
Max. temperature: . . . . . . . . . . . . . .140C (EPDM).
Min. temperature: . . . . . . . . . . . . . . .-10C.

Option
Product wetted seal rings of Nitrile (NBR) or Fluorinated rubber (FPM).

Ordering
Please state the following when ordering:
- Size.
- Steel grade, 1.4301 (304) or 1.4404 (316L).
- Connections, if not welding ends.
- Rubber grade if not EPDM.
 
Pressure drop/capacity diagram
LKC2 2
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