| Nominal Pressure | PN16 | Stem | Stainless steel |
| Working differential pressure | 0.05MPa~0.5MPa | Seat sealing | PTFE |
| Connection | Flange | Stem nut | Brass |
| Medium temperature | -10℃~120℃ | Handwheel | ABS |
| Valve body | Ductile cast iron | Pressure test tap | Brass |
| Bonnet | Ductile cast iron |
Set the opening of the valve according to the given flow (For instance, 4.5 circles in Figure 2.)
1. Fully close the valve, as shown in Figure 1.
2. Open the valve to the preset value, as shown in Figure 2.
3.Tighten the stem inside clockwise with an Allen wrench, and the maximum opening is set successfully.
4. Valve setting completed.
Check valve preset value:
1. Fully close the valve, and the reading is 0.0 circle.
2.Tum the handwheel untlit stops, and the reading is the maximum value. (For instance, the maximum value in Figure 3 is 8.0 circles.)
Figure (1): Close. Figure (2): 4.5 circles. Figure (3): Fully open.
