Pressure Reducing Valve

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Product Detail

Product detail: 

Y43H-GVPR09 Pilot piston type steam pressure reducing valve

 
Brief Introduction.

This series reducing valve is pilot piston type reducing valve for steam, mainly composed of main valve and pilot valve. The main valve consists of valve seat, main valve disc, piston, cylinder sleeve, and spring. The piston valve consists of valve seat, valve flap, membrane, spring and adjusting spring. Set the outlet pressure through adjusting spring, sense the change of pressure of outlet with membrane, adjust the flow area of throttling part of main valve through open and close of pilot valve and drive the piston, to realize the function of reducing and regulating valve.The product is mainly applied on steam piping, to reduce and regulate the pressure.
 
Field of Application.
 

Product NameY43H-GVPR09 Pilot Piston type Steam Pressure Reducing Valve.

Pressure Rating: 1.6- 16.0 Mpa.
Nominal Diameter: DN15-500 mm.
Material: Steel WCB, CF8.
Standard flanges: DIN, ANSI, JIS.

Main Technical Parameters and Indexes oPerformance.
 
Nominal pressure PN1.6Mpa PN2.5Mpa PN4.0Mpa PN6.4Mpa PN10.0Mpa PN16.0Mpa
Tested pressure of shell 2.4Mpa 3.75Mpa 6.0Mpa 9.6Mpa 15.0Mpa 24.0Mpa
Sealing test pressure 1.6Mpa 2.5Mpa 4.0Mpa 6.4Mpa 10.0Mpa 16.0Mpa
Maximum upstream pressure 1.6Mpa 2.5Mpa 4.0Mpa 6.4Mpa 10.0Mpa 16.0Mpa
Pressure range of outlet 0.1-1.0Mpa 0.1-1.6Mpa 0.1-2.5Mpa 0.5-3.5Mpa 0.5-3.5Mpa 0.5-4.5Mpa
Minimum differential pressure 0.15Mpa 0.15Mpa 0.2Mpa 0.4Mpa 0.8Mpa 1.0Mpa
Medium steam
Operating temperature 425
*the shell test does not include membrane and top cover.
DN 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 500
Cv 1 2.5 4 6.5 9 16 25 36 64 100 140 250 400 570 780 1020 1500
 
Material of Main Component.
 
Name of component Material of component
Valve body, valve cover, seat cover WCB/FCB*
Valve seat, valve disc 2Cr13/304*
Cylinder sleeve 25 (hard chrome plating)/304*
Piston 2Cr13 /copper alloy*
Piston ring Alloy cast iron/ polyphenyl*
Pilot valve seat, pilot valve rod 2Cr13/304*
Membrane 1Cr19Ni9Ti
Spring of main valve and pilot valve 50CrVA
Adjusting valve 60Si2Mn
 
Main External Dimensions.
 
 Wenzhou Y43h Pilot Piston Type Steam Pressure Reducing Valve (FP04)
 
DN External Dimension DN External Dimension
L H H1 L H H1
1.6/2.5 Mpa 4.0 Mpa 6.4 Mpa 10.0/16.0 Mpa
15 160 180 295 90 15 180 180 305 100
20 160 180 330 98 20 180 200 340 105
25 180 200 330 110 25 200 220 340 120
32 200 220 330 110 32 220 230 340 120
40 220 240 345 125 40 240 240 355 135
50 250 270 345 125 50 270 300 355 135
65 280 300 350 130 65 300 340 360 140
80 310 330 385 160 80 330 360 395 170
100 350 380 385 170 100 380 380 400 185
125 400 450 400 200 125 450 450 415 215
150 450 500 415 210 150 500 500 430 225
200 500 550 475 240 200 550 550 495 260
250 650 650 525 290 250 650 650 545 310
300 800 800 580 335 300 800 800 600 355
350 850 850 620 375 350 850 850 640 395
400 900 900 660 405 400 900 900 690 435
450 900 900 730 455 450        
500 950 950 750 465 500 950  

 
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