Water supply pipe ultralimit pressure-relief spraying device

• Main Authors: PEI BAODI, YUAN MINGQI, MENG WENFENG, SONG YONG, LU FENG, WANG KAISHENG, ZHANG HOULIN, PAN TENGTENG, XU YONGHE, CHANG JUNFANG, CAO JUN
• Format: Patent
• Language: Chinese; English
• Published: 24.07.2013
• Subjects: FIXED CONSTRUCTIONS; INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, ORDISTRIBUTING WATER; SEWERAGE; WATER SUPPLY

The utility model discloses a water supply pipe ultralimit pressure-relief spraying device. The device comprises a water supply pipe, wherein a main valve and a check valve are connected with the water supply pipe in series; a pressure gauge, a pressure regulating valve, a manual valve and a pressure-relief valve are also airtightly communicated with the water supply pipe; the pressure-relief valve is airtightly communicated with a pressure-relief spray nozzle; the pressure gauge, the pressure regulating valve, the manual valve and the pressure-relief valve are positioned between the main valve and the check valve; the water supply pipe is connected with a water supplement pipe in parallel; one end of the water supplement pipe is airtightly communicated with the water supply pipe inside the main valve, and the other end of the water supplement pipe is airtightly communicated with the water supply pipe outside the check valve; and a water supplement valve is arranged on the water supplement pipe in series. The