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Pulse relief valve

1脈沖式安全閥.jpg
  • 1脈沖式安全閥.jpg
The main safety valve of the pulse type safety valve is mainly used in power plant boilers, pressure…

Description:

A, product description:
GA49H series Pulse type safety valve Thmatche main safety valve is mainly used in boiler, pressure vessel, temperature and pressure reducing device used to prevent the pressure exceeds the allowable maximum pressure value, to ensure the safe operation of equipment.match
Two, Pulse type safety valve The paper discusses the structure of:
1, when the medium pressure rises to the set pressure, the impulse safety valve open, medium from entering into the piston chamber pulse valve pulse tube, push the piston down, the valve automatically opens, when the impulse valve is closed, the valve is automatically closed.
2, the sealing surface with cobalt chromium nickel stainless steel welding and become, the valve after heat treatment, high wear resistance and erosion resistance.
Three, Pulse type safety valve Installation instructions:
1, the valve must be installed vertically in the highest position of equipment.
2, the pulse valve is fastened on the support bearing, bearing pulse reaction force generative exhaust valve at.
3, the exhaust pipe should be devoted to the exhaust pipe hanger, weight not in pulse valve, flange connection between the pulse valve and the exhaust pipe should eliminate any additional prestress.
4, the lowest point of the row pipe should be considered in order to avoid the exhaust steam generated when the hydrophobic, water hammer.
Four, Pulse type safety valve Main external and connecting dimensions:

ModelNominal diameterConnecting dimensions
LL1L2HDD1D2BZ-DDN'D'D1'D2'B'Z'-d'
GA49H-4One hundred and fiftyTwo hundred and twentyTwo hundred and thirtyTwo hundred and fortyFour hundred and eighty-sixThree hundredTwo hundred and fiftyTwo hundred and fourThirty8-25Two hundredThree hundred and sixtyThree hundred and tenTwo hundred and seventy-eightThirty-four12-25
GA49H-4Two hundredTwo hundred and seventyTwo hundred and ninety-fiveThree hundred and thirtySix hundred and fifteenThree hundred and seventy-fiveThree hundred and twentyTwo hundred and sixtyThirty-eight12-30Three hundredFour hundred and eighty-fiveFour hundred and thirtyThree hundred and ninetyForty16-30
GA49H-4Two hundred and fiftyThree hundredThree hundred and fiftyThree hundred and seventySix hundred and forty-sixFour hundred and forty-fiveThree hundred and eighty-fiveThree hundred and thirteenForty-two12-34Three hundred and fiftyFive hundred and fiftyFour hundred and ninetyFour hundred and fiftyForty-four16-34

Five, ordering:
The GA49H caliber the product name and model of the GA49H type with the attachment, so that the correct selection. If the pulse type has been selected, please press the model directly to our factory sales department order. The occasion is very important when using more complex or the environment when you try to provide design drawings and detailed parameters by our Zhongwei expert audit checks for you. Welcome to visit the GA49H type safety valve column, if you have any questions, you can call us, we will try our best to provide you with quality service.


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