Y43x / F pilot piston pressure reducing valve consists of main valve and pilot valve
Main technical parameters
Nominal pressure | 1.6 | 2. | 4.0 | 6.4 | 10.0 | 16.0 |
Shell test pressure | 2.4 | 3.75 | 6.0 | 9.6 | 15.0 | 24 |
Sealing pressure test | 1.6 | 2.5 | 4.0 | 6.4 | 10.0 | 16.0 |
Maximum inlet pressure | 1.6 | 2.5 | 4.0 | 6.4 | 10.0 | 16.0 |
Outlet pressure range | 0.1-1.0 | 0.1-1.6 | 0.1-2.5 | 0.5-3.5 | 0.5-3.5 | 0.5-4.5 |
Pressure characteristic deviation | GB12246-1989 |
Flow characteristic deviation | GB12246-1989 |
Minimum pressure difference | 0.15 | 0.15 | 0.2 | 0.4 | 0.8 | 1.0 |
Leakage | X / F (PTFE / rubber), oy (hard seal) |
Drawing of pilot piston type gas pressure reducing valve
Main connection dimensions
DN | L | H | H1 | DN | L | H | H1 |
1.6/2.5MPa | 4.0MPa | 6.4MPa | 10.0/16.0MPa |
15 | 160 | 180 | 290 | 90 | 15 | 180 | 180 | 300 | 100 |
20 | 160 | 180 | 300 | 98 | 20 | 180 | 200 | 310 | 105 |
25 | 180 | 200 | 300 | 110 | 25 | 200 | 220 | 310 | 120 |
32 | 200 | 220 | 320 | 110 | 32 | 220 | 230 | 310 | 120 |
40 | 220 | 240 | 320 | 125 | 40 | 240 | 240 | 335 | 135 |
50 | 250 | 270 | 325 | 125 | 50 | 270 | 300 | 335 | 135 |
65 | 280 | 300 | 365 | 130 | 65 | 300 | 340 | 340 | 140 |
80 | 310 | 330 | 365 | 160 | 80 | 330 | 360 | 380 | 170 |
100 | 350 | 380 | 475 | 170 | 100 | 380 | 380 | 380 | 185 |
125 | 400 | 450 | 475 | 200 | 125 | 450 | 450 | 490 | 215 |
150 | 450 | 500 | 475 | 210 | 150 | 500 | 500 | 490 | 225 |
200 | 500 | 550 | 515 | 240 | 200 | 550 | 550 | 535 | 260 |
250 | 650 | 650 | 560 | 290 | 250 | 650 | 650 | 580 | 310 |
300 | 800 | 800 | 705 | 335 | 300 | 800 | 800 | 725 | 355 |
350 | 950 | 950 | 745 | 375 | 350 | 850 | 850 | 765 | 395 |
400 | 900 | 900 | 780 | 405 | 400 | 900 | 900 | 800 | 435 |