female pneumatic ball valve connection forms: thread. Nominal diameter: / '-'. Applicable medium: water, oil, steam, nitric acid, acetic acid is used widely, such as. Applicable temperature: - do not damage + degree of resistance to high pressure pneumatic valves. Pneumatic valve seat: PTFE. The material and the open-close performance is good. Work stress: WOG. N: opening and closing force. Range. - mm. The main material:,,,, design production use: the international standard, ISO, API, GB, BS standards such as design and production, internal thread pneumatic ball valve safety and quality are good through strict processing.