Prefill Valve
Home > Directional control valve > Prefill Valve SG series > Prefill ValveModel SG-32
Feature:- Prefill Valve has a special processing,so the flow is bigger than general specification.
- Prefill Valve of hydraulics machines is a traditional threading type which can be coupled to comprehensive hyd. sysytem designs.
- Prefill Valve for working of hydraulic lift is adopted two steps and matched by area ratio which can be reduced piloted pressure and eliminated implused noise.
TO USE CALCULATED METHOD OF FLOW:
- Rated flow is flow of what it need as oil surface on the line in v-v or h-h however, Used flow is flow of what it need as below or above the line of v-v or h-h.
- As oil surface is located above the ling of v-v or h-h.
OPERATED FLOW = Rated FLOW + AXM
(location of oil surface unit = m ) - As oil surface is located below the ling of v-v or h-h.
OPERATED FLOW = Rated FLOW - AXM
(SG-16 A:70 SG-24 A:150 SG-32 A:300)
CLCUALTED EXAMPLE:
As it doesn't use pilot. Oli surface is located above the line 0.5M
Used flow = 600 + 150 X 0.5=675 l/min(SG-24)
As it doesn't use pilot. Oli surface is located below the line 0.5M
Used flow = 600 - 150 X 0.5=525 l/min
Description of each model code:
Model Number: SG-32-10
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|
Model code |
Descriptions |
|
1- |
SG |
Series Number Prefill Valves |
|
2- |
32 |
Port Size 16: 2” 24:3” 32:4” |
|
3- |
|
None: 180° |
|
4- |
10 |
Design Number |
Specification Table
|
Model Number |
Max. Pressure kgf/cm2 |
Rate Flow l/min |
Operated Flow l/min |
Cracking Pressure kgf/cm2 |
Weight kg |
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|
NO PL |
USE PL |
NO PL |
USE PL |
||||
|
SG-16 |
210 |
300 |
450 |
300±70M |
450±70M |
0.12 |
30 |
|
SG-24 |
600 |
900 |
600±150M |
900±150M |
0.14 |
51 |
|
|
SG-32 |
1100 |
1600 |
1100±300M |
1600±300M |
0.16 |
105 |
|

