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Y44H Bellows Pressure Reducing Valve

Product overview

Product model: Y44H
Nominal diameter: DN20~50mm
Nominal pressure: PN0.6~1.6MPa
Main material: carbon steel, stainless steel
Applicable temperature: ≤200℃
Main material: carbon steel, stainless steel
Drive mode: manual
Flange standard: GB/T17241.6, GB/T9113
Test standard: GB/T13927, API598

Y44H Bellows Pressure Reducing Valve product details

Y44H Bellows Pressure Reducing Valve instructions  

Y44H Bellows Pressure Reducing Valve produced and sold by Baigang valve group,For temperature below 200 ℃ in steam, air, water, non-corrosive medium pipeline, so that through the body of the medium pressure remains constant to meet the needs of work. P1 before the valve inlet pressure from 1.0-0.1MPa, after the bellows relief valve outlet pressure P2 is 0.4-0.05MPa, the pressure difference between the valve before and after the valve is not more than 0.6MPa, nor less than 0.05MPa.  


Y44H Bellows Pressure Reducing Valve use principles and structure instructions

1, the media before the valve inlet pressure from the valve flap and the body open the gap into the body cavity so that the media pressure flow corrugated pipe portfolio box, bellows and the spring due to compression of the media pressure and compression, the valve flap with the valve stem Displacement, the valve flap to produce the closure of the valve body, the media before the valve deadline, after the valve does not make the media pressure supplement. When the pressure of the medium after the valve is reduced, the bellows is deformed by the diameter of the adjusting spring, causing the bellows to be deformed. The valve stem opens the valve flap. Reducing the pressure of the media after the valve has been filled with the valve body gasket. 


2, Bellows pressure reducing valve is composed of valve body, valve cover, valve flap, valve body sealing ring, valve stem, bellows, adjusting spring and other parts. The body cavity inlet is assembled with valve flap, valve body sealing ring and auxiliary spring, Auxiliary spring is to keep the valve flap and body sealing ring automatic seal, outlet body cavity assembly elastic sealing element (bellows) that is to ensure that the valve after the media pressure leakage and to overcome the pressure non-uniform compensation. Screw is to adjust the spring load pressure relief valve performance.


Y44H Bellows Pressure Reducing Valve main dimensions

DN Dimensions Connection size
L H H1 PN1.6MPa PN1.6MPa PN1.6MPa
0.6 / 1.0MPa 1.6MPa D K n-Φ d C D K n-Φ d C D K n-Φ d C
15 140 140 290 90 80 55 4-12 40 12 95 65 4-14 45 12 95 65 4-14 45 14
20 140 140 295 98 90 65 4-12 50 12 105 75 4-14 55 14 105 75 4-14 55 14
25 160 160 295 110 100 75 4-12 60 14 115 85 4-14 65 14 115 85 4-14 65 14
32 1080 180 295 110 120 90 4-14 70 14 135 100 4-18 78 16 135 100 4-18 78 16
40 200 200 325 125 130 100 4-14 80 14 145 110 4-18 85 16 145 110 4-18 85 16
50 230 230 325 125 150 110 4-14 90 14 160 125 4-18 100 16 160 125 4-18 100 16
65 280 325 130 160 130 4-14 110 14 180 145 4-18 120 18 180 145 4-18 120 18
80 310 380 160 185 150 4-18 125 16 195 160 4-18 135 18 195 160 8-18 135 20
100 350 380 170 205 170 4-18 145 16 215 180 8-18 155 20 215 180 8-18 155 20


Reminder:

All text, data and pictures in this article are for reference only.To see more details of the Y44H Bellows Pressure Reducing Valve performance parameters, structural dimension parameters, pricing, etc., or to request high quality printing samples, please Contact us.

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