1100% brand new and high quality. 2The Safety Valve control pressure not to exceed the specified value, which plays an important role in the protection of personal safety and equipment operation. 3Critical applications on pressure piping, pressure vessels, etc. 4Made of high quality brass material, anti-corrosion and durable in use. 5The valve goes through strict pressure test, which can withstand pressure up to 8kg. Features: 100% brand new and high quality. The Safety Valve control pressure not to exceed the specified value, which plays an important role in the protection of personal safety and equipment operation. Critical applications on pressure piping, pressure vessels, etc. Made of high quality brass material, anti-corrosion and durable in use. The valve goes through strict pressure test, which canwithstand pressure up to 8kg. Specification: Material: brass Structure form: spring type Applicable medium: air Flow direction: one direction Proof pressure: 8kg Thread: G1/8'', G1/4'' (Optional) Package list: 3 x Safety Valve