The basis weight, substance or Grammage is obviously most fundamental property of paper board. All paper machines are designed to manufacture paper in a given basis weight range.Tighter the range and more efficient will be the machine but still it’s common for paper manufacturers to seek methods to improve basis weight control.
PET introduce Micro control based Motorised Basis Weight Valve to control the Grammage and save the time in maintaining GSM & grade change in pulp, paper industries. Flange less V-notch ball valve with combination of Electro-Mechanical Actuator & Controller. V-notch ball valve offers equal % characteristics for precise control.
FEATURES-
- Actuator with almost negligible backless.
- Digital valve position indicator.
- Easy to install and user friendly.
- Can be hooked to DCS/QCS system.
- Backed up by skilled service personal.
- Strong support of prominent after sales service.
SPECIFICATIONS-
| Type of Construction |
“V” notch shear control valve |
| Size |
80mm to 200mm |
| End Connection |
Flange less |
| Body Material |
SS 316 |
| Characteristic |
Equal Percentage |
| Pressure Drop |
10% of Inlet Pressure |
| Actuator |
Aluminium |
| Temperature |
Ambient |
| Opening Time |
as per valve size |
| Resolution Step |
15,000-35,000 |
| Output Torque |
200Nm-500Nm
(as per valve size)
|
| Gear Ratio |
1:150 (min.),
1:500 (max.)
|
| Feedback Output |
2K ohms AC |
| Supply |
220V/50Hz |
Valve Controller
- Auto-Manual selector in Auto-mode actuator operate as per incoming control command
- LED indications for valve opening/closingDigital Display of signal error & feed-back error.
- Digital Valve position indicator, Indicates %age opening of valve.
SPECIFICATIONS-
| Display |
0-100% |
| Input Signal |
pulses/4-20M (selectable) |
| Pulse Width |
0.9mili sec (min.) |
| Least Count |
0.1 |
| Output |
4-20 mA |
| Output Accuracy |
0.025% |
| Power Supply |
220V AC |
| Feedback Input |
1-5 Volt |
| Drive Input |
220V AC |