Plastic valve pressure testing device

• Main Authors: YU BING, HE CHENGDAI, YANG XIANGYUE, LIU YANLEI, WANG BING, PAN HONG, XIA FUYONG, LI WEIZHONG
• Format: Patent
• Language: Chinese; English
• Published: 24.07.2013
• Subjects: MEASURING; PHYSICS; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR

The invention discloses a plastic valve pressure testing device. The plastic valve pressure testing device does not damage an original structure of a valve and is needless of other media to test the valve. The plastic valve pressure testing device comprises an air pipe and an air bag. The air pipe comprises an inner air pipe and an outer air pipe, the length of the inner air pipe is larger than the length of the outer air pipe, the inner air pipe is arranged in the outer air pipe, two ends of the outer air pipe are sealed, one end of the inner air pipe is provided with an inner air inlet, and the other end of the inner air pipe is provided with an inner air outlet. The inner air inlet is provided with an inner control valve, an outer air inlet is arranged at one end, close to the inner air inlet, of the outer air pipe, and an outer control valve is arranged on the outer air inlet. The air bag is arranged on the side face of the outer air pipe, a plurality of through holes are arranged in the contacting face o