brake chamber: Model T30/30Storke 64mmPort thread M16*1.5Bolt thread M16*1.5Bolt centre 120.7±0.3Push rod thread M16*1.5Push rod length 20mmAdmitting port angle 180°Clamp angle 0°Max operating pressure:1.0mpa Operating temperature range: -40°C——+80°C Operating pressure: 0.8Mpa Competitive Price Quality Approvals :good quality Capability to supply large number of products requested