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Our control and check valves are highly reliable valves used to ensure single directional product flow through process lines. This provides protection for process equipment that can be affected by reverse flow and prevents pressure surges and/or system shutdown.
Product detail
| Product code | Alfa Laval - LKC-2 |
| Applications | Formulated dairy products |
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.
The valve is available with welding ends for tubes according to ISO and DIN 11850.
Safe and reliable process protection
Alfa Laval LKC-2 Non-return valves are highly reliable check valves ensure single directional product flow through process lines. This provides protection for process equipment that can be affected by reverse flow and prevents pressure surges and/or system shutdown.
Non-return valve range
The standard range of Alfa Laval LKC-2 non-return valves are constructed of standard 304 or acid-resistant 316L stainless steel. Easy to install, the valves are designed to handle maximum product pressure up to 10 bar and temperatures ranging from -10°C to 140°C (EPDM). For added versatility, these check valves are available with either a semi-bright or polished finish, and a variety of welding ends for ISO or DIN connections.
Technical specifications
| Product code | Alfa Laval - LKC-2 |
| Temperature | Max. temperature: 140°C (EPDM) Min. temperature: -10°C |
| Pressure | Max. product pressure: 1000 kPa (10 bar) |
Construction
The Alfa Laval LKC-2 non-return valve consists of an upper valve body, lower valve body, valve plug, seal ring, and guide disc. The valve body is assembled by means of a clamp 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
| Product wetted steel parts | 1.4301 (304) / 1.4404 (316L) |
| External surface finish | Bright (Machined Ra 1.6) |
| Internal surface finish | Bright (polished), Ra < 0.8 μm |
| Product wetted seals | EPDM rubber |
Options
Product wetted seal rings of Nitrile (NBR) or Fluorinated rubber (FPM).
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