Ductile Iron Pilot Operate Pressure Reducing Valve
Hydraulically operated,accurate and repeatable pressure control.
Easy maintenance without removal from the main line.
Pressure reducing pilot features easy operation and accurate pressure control.
All iron components are fusion epoxy bonded for corrosion resistance.
Easy maintenance without removal from the main line.
Pressure reducing pilot features easy operation and accurate pressure control.
All iron components are fusion epoxy bonded for corrosion resistance.
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Product Introduction
Ductile Iron Pilot Operate Pressure Reducing Valve adjust and control the main valve outlet pressure, which will not be changed along with the inlet pressure as well as the variation of the main valve outlet flow. Simple, reliable and easy to mount and maintain.
Full passage streamline design, of a small fluid resistance and a heavy flow, can reduce either dynamic or static pressure
| No. | Parts | Material |
| 1 | Ball valve | Brass |
| 2 | Ball valve | Brass |
| 3 | Needle valve | Brass |
| 4 | Plug | Stainless steel |
| 5 | Bonnet | Ductile iron |
| 6 | Spring | Stainless steel |
| 7 | Nut | Stainless steel |
| 8 | Plate | Ductile iron |
| 9 | Diaphragm | Rubber |
| 10 | Trim | Ductile iron |
| 11 | Gasket | Rubber |
| 12 | Seat | Iron/Brass |
| 13 | Stem | Stainless steel |
| 14 | Body | Ductile iron |
Dimensions
| Size | L | Outside diameter of Flange ΦD | Diameter of bolt circle ΦK | H | N-Φd | ||||||
| PN10 | PN16 | PN25 | PN10 | PN16 | PN25 | PN10 | PN16 | PN25 | |||
| 2" | 215 | 165 | 165 | 165 | 125 | 125 | 125 | 125 | 4-Φ19 | 4-Φ19 | 4-Φ19 |
| 2-1/2" | 220 | 185 | 185 | 185 | 145 | 145 | 145 | 300 | 4-Φ19 | 4-Φ19 | 8-Φ19 |
| 3” | 250 | 200 | 200 | 200 | 160 | 160 | 160 | 320 | 8-Φ19 | 8-Φ19 | 8-Φ19 |
| 4" | 290 | 220 | 220 | 235 | 180 | 180 | 190 | 420 | 8-Φ19 | 8-Φ19 | 8-Φ19 |
| 5" | 310 | 250 | 250 | 270 | 210 | 210 | 220 | 450 | 8-Φ23 | 8-Φ23 | 8-Φ23 |
| 6” | 360 | 285 | 285 | 300 | 240 | 240 | 250 | 500 | 8-Φ23 | 2-Φ23 | 8-Φ23 |
| 8” | 430 | 340 | 340 | 360 | 295 | 295 | 310 | 710 | 12-Φ23 | 12-Φ28 | 12-Φ23 |
| 10” | 510 | 405 | 405 | 425 | 350 | 355 | 370 | 770 | 12-Φ23 | 12-Φ28 | 12-Φ23 |
| 12" | 595 | 460 | 460 | 485 | 400 | 410 | 430 | 780 | 16-Φ23 | 16-Φ28 | 16-Φ23 |
| 14” | 630 | 520 | 520 | 555 | 460 | 470 | 490 | 890 | 16-Φ23 | 16-Φ31 | 12-Φ23 |
| 16” | 630 | 580 | 580 | 620 | 515 | 525 | 550 | 905 | 16-Φ28 | 16-Φ28 | 16-Φ28 |
| 18” | 780 | 640 | 640 | 670 | 565 | 585 | 600 | 970 | 20-Φ28 | 20-Φ31 | 20-Φ28 |
| 22” | 900 | 715 | 715 | 730 | 620 | 650 | 660 | 1000 | 20-Φ28 | 20-Φ34 | 20-028 |
| 24” | 1100 | 840 | 840 | 845 | 725 | 770 | 770 | 1060 | 20-Φ31 | 20-Φ37 | 20-Φ40 |
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