Introduction: Temperature and Pressure Safety Valves (T or P Valves) 0.7Mpa applies = 101PSI Detailed introduction: Temperature and pressure relief valves ( valves) are suitable for other sensitive heaters such as solar , electric heaters, heat pump , various heating functions (such as boilers). The valve can automatically reduce the temperature and pressure, and has the dual safety protection function of temperature and pressure. It is the safety protector of the current pressure water heater. Features: Safety relief valves are commonly used to control the pressure in boilers in heating , hot water tanks stored in domestic hot water , and general water . When the calibrated pressure is reached, the valve opens and, by venting to the atmosphere, prevents the system from reaching pressure levels that are dangerous to the components in the boiler and the system itself. Calibration pressure: 0.1, 0.15, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0 Mpa Deviation: When not more than 0.5Mpa, the deviation is 0.015Mpa, and when it is 0.5Mpa, the deviation is 3 percent of the rated pressure. Technical specifications: color:gold material: Body: 3 or 4 inch brass Control spindle: brass Closed hole: silicone gel gasket Spring: SUS304 stainless steel Nominal pressure: PN10 Temperature range: 5-110 C Set pressure: 0.5, 0.6, 0.7, 0.8, 0.9, 1.0 MPa Set pressure deviation: -10 percent -5 percent set pressure Set temperature: 994 degrees Celsius Entrance and exit (middle): BSPP 3 or 4 x 3 or 4 Weight (g): 238g size:83 x 42mm Package included: 1 x Pressure Valve Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.