RP-1H Steam Pressure Reducing Valve (PRV)

Image of RP-1H Steam Pressure Reducing Valve (PRV)
RP-1H Steam Pressure Reducing Valve (PRV)

Materials

Name Materials
Body, Bonnet, Bottom, Cap WCB
Seat, Plug 410 S.S.
Sleeve, Piston C95800
Diaphragm 304 S.S.
Piston Ring Iron–nickel Alloy/PPL
Regulative Spring UNS G92600
Spring ASTM 6150
Pilot Valve Spring ASTM 6150
Pilot Seat Pilot Stem 410 S.S.

Performance

Nomial Pressure (MPa) 1.6 2.5 4.0 6.4 10.0 16.0
Shell Test Pressure (MPa) 2.4 3.75 6.0 9.6 15.0 24
Sealing Test Pressure (MPa) 1.6 2.5 4.0 6.4 10.0 16.0
Maximum Input Pressure (MPa) 1.6 2.5 4.0 6.4 10.0 16.0
Output Pressure Scope (MPa) 0.04-1.0 0.05-1.6 0.08-2.5 0.2-3.5 0.5-3.5 0.5-4.5
Minimum Pressure Difference (MPa) 0.07 0.1 0.15 0.4 0.5 0.8

Flow Coefficient (Cv)

DN 50 65 80 100 125 150 200 250 300 350 400 500
Cv 24 30 50 85 130 190 300 480 680 925 1150 1900

Dimensions (PN 1.6 - 4.0 MPa)

Dimensions of RP-1H Steam Pressure Reducing Valve (PRV)
Dimensions of RP-1H Steam Pressure Reducing Valve (PRV)
Nominal Diameter DN External Dimensions
L H Hl
1.6/2.5MPa 4.0MPa
15 160 180 265 85
20 160 180 265 85
25 180 200 280 95
32 200 220 280 95
40 220 240 290 105
50 250 270 300 130
65 280 300 315 145
80 310 330 330 170
100 350 380 405 200
125 400 450 450 225
150 450 500 485 265
200 500 550 570 290
250 650 640 325
300 800 740 360
350 850 810 395
400 900 950 430
500 950 1080 500

Dimensions (PN 6.4 - 16.0 MPa)

Dimensions of RP-1H Steam Pressure Reducing Valve (PRV)
Dimensions of RP-1H Steam Pressure Reducing Valve (PRV)
Nominal Diameter DN External Dimensions
L H Hl
6.4MPa 10.0/16.0MPa
15 180 180 280 100
20 180 200 280 100
25 200 220 300 115
32 220 230 300 115
40 240 240 315 130
50 270 300 340 135
65 300 340 355 150
80 330 360 370 175
100 380 450 205
125 450 510 235
150 500 555 275
200 550 640 300
250 650 720 335
300 800 830 375
350 850 880 410
400 900 1020 445
500 950   1080 515
Real Image of RP-1H Steam Pressure Reducing Valve (PRV)