一．Product Introduction
The Brass Safety Valve is characterized by regulating of pressure in valve rising and blowing-out when actuated and is the smallest and lightest valve. And also can be used in non-corrosive gases(Air,Oxygen,Nitrogen etc.) steam and liquids,such as water and oil.
二．Product Features
1.Safety Relief Valve automatically releases a substance from a boiler, pressure vessel, or other system when the pressure or temperature exceeds preset limits.
2.The lever is pivoted at one end. A weight on the lever is set at a distance from the pivot point so the fulcrum is sufficient to overcome the pressure in the boiler.
3.The Brass Safety Valve is characterized by regulating of pressure in valve rising and blowing-out when actuated and is the smallest and lightest valve. And also can be used in non-corrosive gases(Air,Oxygen,Nitrogen etc.) steam and liquids,such as water and oil.
三．Technical data
| Model | Safety Valve |
| Size Range | 1/2″ to 2″ |
| Pressure Range | 0.3 to 1.0MPa |
| Material | Brass |
四．The main shape and connection size
| Nominal Diameter | Valve Seat Diameter D | Lift ℓ | Effective Area mm² | L1 | L2 | Fitting Screw | Close Type | Lever Type | |||||
| 2.22Dl | π D l | 0.785D² | Inlet d1 | Outlet d2 | Aᵐᵐ | Wt. | A1ᵐᵐ | Wt. | |||||
| 12 | 12 | 0.52 | 13.32 | 18.84 | 113.0 | 29 | 50 | PT 1/2 | PF 1/2 | 138 | 0.52 | 161 | 0.59 |
| 19 | 19 | 0.76 | 32.05 | 45.36 | 283.3 | 36 | 58 | PT 3/4 | PF 3/4 | 150 | 0.66 | 172 | 0.74 |
| 25 | 25 | 1.00 | 55.50 | 78.53 | 490.6 | 40 | 70 | PT 1 | PF 1 | 180 | 1.09 | 202 | 1.19 |
| 32 | 32 | 1.28 | 90.93 | 128.67 | 803.8 | 50 | 82 | PT 1 1/4 | PF 1.1/4 | 206 | 1.90 | 222 | 1.94 |
| 38 | 38 | 1.52 | 128.22 | 181.45 | 1133.5 | 54 | 93 | PT 1 1/2 | PF 1.1/2 | 231 | 2.35 | 246 | 2.39 |
| 50 | 50 | 2.00 | 222.00 | 314.15 | 1962.5 | 67 | 102 | PT 2 | PF 2 | 265 | 3.85 | 282 | 4.11 |