Kunkle Valve Model 40R and 40RL Sentinel Relief Valves
![](https://www.messplay.com/wp-content/uploads/2016/03/kunkle_model_40r_40rl_sentinel_valve.jpg)
![](https://www.messplay.com/wp-content/uploads/2019/08/Kunkle_Gray281.jpg)
Non-code Steam Service, Sentinel Relief Valves
Features & Benefits
- All parts are Stainless Steel (SS).
- Precision lapped beveled seats for optimum performance.
- Pivot between spring and disc corrects misalignment and compensates for spring side thrust.
- Each Kunkle valve is tested and inspected for pressure setting and leakage.