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Pilot Operated Steam Pressure Reducing Valve

Inquiry
  Post Date: May 23,2017
  Expiry Date: May 23,2018
  Detailed Description: Payment Method: T/T
Y43H Pilot piston type steam pressure reducing valve.
Structural characteristic and purpose
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.

Y43H Pilot piston type steam pressure reducing valve.
main technical parameters and indexes of performance.
Product: Pilot piston type steam pressure reducing valve
Pressure Rating: 1.6- 16.0Mpa
Specification: DN15-500
Material: Steel WCB, CF8
Standard flanges: DIN, ANSI, JIS


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.

Y43H Pilot piston type steam pressure reducing valve.
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

Y43H Pilot piston type steam pressure reducing valve connecting dimension.


DN external dimension
L H H1
1.6/2.5Mpa 4.0Mpa
15 160 180 295 90
20 160 180 330 98
25 180 200 330 110
32 200 220 330 110
40 220 240 345 125
50 250 270 345 125
65 280 300 350 130
80 310 330 385 160
100 350 380 385 170
125 400 450 400 200
150 450 500 415 210
200 500 550 475 240
250 650 525 290
300 800 580 335
350 850 620 375
400 900 660 405
450 900 730 455
500 950 750 465



DN external dimension
L H H1
6.4Mpa 10.0/16.0Mpa
15 180 180 305 100
20 180 200 340 105


  Company: Yongjia Goole Valve Co.,Ltd     [ China ]        
  Contact: Ellison
  Tel: 86-0577-57789960
  Fax: 86-0577-67985602
  Email: goole1@goolevalve.com
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