
The standard pressure ratio provided by our company is available with: 2:1, 3:1, 4:1, 5:1, 5:2 etc, and those pressure reducing valves with special ratios can also be designed according to the customer's requirements.




| Type | Y13X-1016 | Y43X-1016 | |
| Type of connection | Endo screw thread | Flange | |
| Applicable medium | Water, Air | ||
| Applicable temperature | ≤90℃ | ||
| Working pressure | 1.0MPa,1.6MPa, 2.5MPa | ||
| Pressure error | ±2.5% | ||
| Minimum opening pressure | 2:1 | 0.2MPa | |
| 3:1 | 0.3MPa | ||
| 4:1 | 0.3MPa | ||
| 5:2 | 0.2MPa | ||
| Name of parts | Materials |
| Body, Gland | C.l. Cast Steel , Bronze, Stainless Steel |
| Piston | Bronze or Stainless Steel |
| Table 1 | |||||||||
| Type | Y13X-1016 2:1,3:1,4:1,5:1,5:2 | ||||||||
| DN(mm) | 15 | 20 | 25 | 32 | 40 | 50 | |||
| G(mm) | 1/2″ | 3/4″ | 1″ | 11/4″ | 11/2″ | 2″ | |||
| L(mm) | 80 | 80 | 90 | 100 | 110 | 120 | |||
| D(mm) | 53 | 58 | 63 | 69 | 75 | 86 | |||
| Table 2 | |||||||||
| Type | Y43X-1016 2:1,3:1,4:1,5:1,5:2 | ||||||||
| DN(mm) | L | D | D1 | D2 | b | n-φd | |||
| 50 | 85 | 165 | 125 | 102 | 20 | 4-18 | |||
| 65 | 102 | 185 | 145 | 122 | 20 | 4-18 | |||
| 80 | 122 | 200 | 160 | 133 | 22 | 8-18 | |||
| 100 | 140 | 220 | 180 | 158 | 24 | 8-18 | |||
| 125 | 160 | 250 | 210 | 184 | 26 | 8-18 | |||
| 150 | 175 | 285 | 240 | 212 | 26 | 8-22 | |||
| 200 | 230 | 340 | 295 | 268 | 28/30 | 8-22/12-22 | |||