A44Y is sealed to take board hands the opening type relief valve completely

A44Y is suitable for the equipment or pipeline of such medium as working temperatureair , petroleum of 300 degrees Centigrade ,etc., as exceeding pressing protectors. Join standard PN<6.4MPa of flange according to 1 of JB/T-94 series. PN≥ 6.4MPa, according to 2 standards of JB/T-94 series.

First, the structure is sketched:

1, bring spanner spring person who open relief valve have of simple structure sealing of good performance opening pressure to be accurate discharging ability to be heavy going back keep difference to be light adjusting characteristicking such as being convenient all.
2, spray nozzle type valve seat: Valve flat cut down spray nozzle valve flat for location, steam flow through valve flat reach the velocity at the exit, discharge coefficient to be heavy, valve flat seal is it weld cobalt chromium tungsten hard alloy to pile, wear-resisting to is it erode to resist, longe-lived.
3, hot elastic valve one: One is designed for the hot elastic structure, utilize its small deformation under medium pressure in the valve, improved sealed ability , the ones that overcame the relief valve and is close to while exactly making the pressure under the medium pressure had let out the phenomenon ago. Valve petal seal adopt advanced laser quench technology , raise hardness , wearability , is it wash person who resist to resist.
4, regulate the nut: Unless through adjusting not regulating nut, let's adjust spring compressing amount,not make valve can the getting more convenient very, not very rapidly obtain by making by pressuring exactly accurate.
5, carry and press and adjust one: Adjust valve petal carry auxiliary body that keep , through is it is it adjust set adjust , can obtain a suitable one back to of difference of keeping to press to carry. While raising , make the valve carry and press and reduce. While reducing , make the valve carry and press to improve.
Second, it is explained that install:

1, the necessary vertical installation of relief valve , and had better install it on the piecing of the container or the pipeline directly . It is open directly to connect the import that the internal diameter should not be smaller than the relief valve .
2, the export of the relief valve must install proper inflation festival , bring the unnecessary hot stress to relief valve in order to prevent discharging the thermal expansion that is in charge of. Discharge and is in charge of exporting the diameter big than the valve in internal diameter, the length is as short as possible, avoid turning round. Discharging and is in charge of and expanding a weight should not act on relief valve , should fix on building . Centre line and in the center, valve of body in charge ofed to discharge short from space to a possible one. Should install and discharge managing to each relief valve alone.
3, there should be enough area in the exit of the silencer , prevent producing and carrying the discharge ability to press influence valve.

Third, main spare part material: