Product Profile
Our 1" normally closed high-flow check valve features a large, resilient guided poppet that provides soft-seat sealing for bubble-tight closure, even under low-pressure conditions. Constructed from non-corrosive materials, this valve provides excellent compatibility with a wide variety of liquids and gases, ensuring long service life. Lexair check valves are perfect for applications requiring high pressures (up to 500 PSI standard).
- Quick positive control
- Mounting orientation does not affect valve operation
- For pressures higher than 500 PSI, please consult the factory
- Many standard seal options.
- Easy in-line repair completed in under 10 minutes.
- Seals are configurable to your application
Specifications
| Type |
2 Way Normally Closed |
| Valve Design |
Poppet |
| Actuator |
Pressure Operated |
| Bubble Tight |
Yes |
| Port Size |
1" NPT |
| Cracking Pressure |
10 PSI |
| CV Factor |
12.10 |
|
Model Number
|
550116 |
| Body |
Cast Bronze (ASTM B-61) |
| Internal Parts |
Brass and Stainless Steel |
| Standard Seals |
Buna-N
*Poppet Seal is Viton® for better wear characteristics and longer life.
|
| Optional Seals |
- Molybdenum Disulfide Coated Buna-N
- Viton®
- Chemical / High Temp Service
- Ethylene Propylene
- Steam Service (Consult Factory)
(For further info see Seal Material document)
|
| Weight (lbs) |
5.5 |
|
Temperature Range
|
-30° F to +250° F with standard Seals
(Optional Seal Temperature Range -70° F to +400° F)
|
| Pressure Range |
0-500 PSI
*Higher pressure ratings available, consult factory.
|
