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Pulse safety valve
Model: A49H-10
Nominal diameter: DN150 ~ 250mm
Operating temperature: ≤300 ℃
Medium: LPG, air, water
Applications: Suitable for chemical, petrochemical, oil, paper, mining, electricity, gas, food, Pharmaceutical, water supply and drainage, municipal services, machinery and equipment, electronics industry, urban construction and other fields

【Installation Notes】

1, the valve must be installed vertically in the highest position of the device.

2, the main safety valve fastened on the support, bearing the main relief valve to withstand the recoil generated when the recoil.

3, the exhaust pipe should have a special hanger, exhaust pipe weight shall not be added to the main safety valve, the main safety valve and the exhaust pipe connecting flange should be to eliminate any additional prestress.

4, the lowest point of the exhaust pipe should be considered hydrophobic, so as not to generate water hammer exhaust.

【Main dimension parameter】

model Nominal diameter Connection size
L L1 L2 H D D1 D2 b zd DN D D1 D2 b zd
A49H-4 150 220 230 240 486 300 250 204 30 8-25 200 360 310 278 34 12-25
A49H-4 200 270 295 330 615 375 320 260 38 12-30 300 485 430 390 40 16-30
A49H-4 250 300 350 370 646 445 385 313 42 12-34 350 550 490 450 44 16-34


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