Model Descriptions
|
Model 19 |
All bronze, equipped with handwheel for easy adjustment within spring ranges. |
Model 19M |
Same as model 19 except SS trim (seat and disc). Available 21/2" and 3" only. For higher pressure settings or severe applications. |
Model 20 |
All bronze, with pressure-tight cap. Suitable for maximum back pressure of 50 psig.* |
Model 20M |
Same as model 20 except SS trim. Available in 21/2" and 3" only (seat and disc). For higher pressure settings or severe applications. Maximum back pressure of 50 psig.* |
Model 20P |
Same as model 20 except with packed lift lever. Suitable for maximum back pressure of 50 psig. * |
Model 20MP |
Same as model 20M except with packed lift lever. Maximum back pressure of 50 psig.* |
Model 200A |
Special non-chattering design. Recommended for light oils and continuous by-pass or pressure regulation. UL842 listed for light oil service. Available 3/4" to 11/2" sizes. Female NPT connections only. |
Model 200H |
Same as model 20. UL842 listed for use with fuel oils. Available 3/4" to 2" sizes |
Note: |
* Back pressure increases set pressure on a one to one basis, and reduces capacity. Back pressure in excess of 10% of set pressure is not recommended. |