LKC-2 Spring Check ValveABS offers the LKC-2 disc-style spring check valve from Alfa Laval. The LKC-2 valve is designed for use in stainless steel pipe installations to ensure process integrity by preventing the reverse flow of fluids. This protects your process equipment that could be affected by reverse flow and prevents pressure surges and system shutdown. Styles are available for vertical or horizontal mounting.
MODELS
Related Industries:
Processed Foods, Beverages, Brewery, Home & Personal Care, Chemical
WORKING PRINCIPLE
The LKC-2 opens when the pressure below the valve plug exceeds the combination of product and spring pressure above the plug. The valve closes when the combination of product and spring pressure above the valve plug exceeds the pressure below the plug.
STANDARD DESIGN
The valve body is in two parts, assembled by means of a sanitary clamp and 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 or Tri-Clamp® connections.
When horizontal installation is necessary, choose the horizontal model to ensure proper drainability.
MATERIALS
| Steel Parts | 304, 316L |
| Seal Rings | EPDM rubber (standard) Fluorinated rubber (optional) |
| Finish | ?32 Ra Electropolished spring |
TECHNICAL DATA
| Product Pressure (max) | 145 psi |
| Temperature (max) | 284°F (EPDM) |
| Temperature (min) | 14°F |
| Connections | Tri-Clamp, Weld |
Required differential pressure for opening the valve when fitted in a vertical pipe is approximately 0.87 psi.
VERTICAL DIMENSIONS

| OD(in) | A(in) | A Tri-Clamp(in) | ID(in) | t(in) | H(in) | Weight(lb) |
| 1 | 2.46 | 4.12 | 0.89 | 0.06 | 3.23 | 1.1 |
| 1½ | 2.95 | 4.61 | 1.4 | 0.06 | 3.75 | 1.5 |
| 2 | 3.44 | 5.10 | 1.91 | 0.06 | 4.29 | 2.2 |
| 2½ | 3.74 | 5.40 | 2.38 | 0.07 | 5.39 | 3.8 |
| 3 | 4.53 | 6.19 | 2.83 | 0.09 | 5.83 | 5.3 |
| 4 | 6.10 | 7.76 | 3.84 | 0.09 | 6.46 | 9.5 |
HORIZONTAL DIMENSIONS

| OD(in) | A(in) | A Tri-Clamp(in) | C(in) | ID(in) | t(in) | H(in) | Weight(lb) |
| 1 | 3.76 | 5.38 | 0.34 | 0.89 | 0.06 | 3.23 | 1.1 |
| 1½ | 3.41 | 5.13 | 0.4 | 1.4 | 0.06 | 3.75 | 1.5 |
| 2 | 4.17 | 5.8 | 0.41 | 1.91 | 0.06 | 4.29 | 2.2 |
| 2½ | 4.81 | 6.3 | 0.53 | 2.38 | 0.07 | 5.39 | 3.8 |
| 3 | 5.69 | 7.31 | 0.65 | 2.83 | 0.09 | 5.83 | 5.3 |
Prevent product contamination with Alfa Laval LKC-2 Spring Check Valve. Contact us to ensure safe and hygienic flow direction in your process.