Free sample for Komatsu Hydraulic Gear Pump - Monoblock Valves-GDV25 series – Guorui
Free sample for Komatsu Hydraulic Gear Pump - Monoblock Valves-GDV25 series – Guorui Detail:
| Rated flow rate | 25L/min |
| Maximum flow rate | 30L/min |
| Maximum pressure at P port | 250bar |
| Maximum pressure at A/B port | 250bar |
| Maximum pressure at T port | 25bar |
| Internal leakage (at 70 bar):A/B toT | 30-35CC/min |
| Temperature range of the hydraulic oil | |
| With NBR (BUNA-N) seals | -20℃-80℃ |
| With FPM (VITON) seals | -20℃-100℃ |
| Spool stroke (1/2 position) | +5.5/-5.5 mm |
| With floating function (1/2 and F position) | +5.5/-5.5 -8 mm |
| Recommend hydraulic oil viscosity range | 15-75mm²/s |
| Recommend temperature range | -40℃-60℃ |
Order Code Example
|
GDV25 |
-3 |
-P1 |
/210 |
-T1 |
-D1 |
-O1 |
-FG1 |
KQ1 |
-DC/00 |
|
Model |
3 spool |
Inlet port on top |
Inlet relief setting（210bar) |
Return port on top |
Power beyond |
First spool |
Spool function |
Standard manually control |
|
-O2 |
-FG2 |
-KQ5 |
-DC/24 |
|
Second spool |
Spool function |
Electrical controlled with detent |
24VDC |
|
-O3 |
-FG2 |
-KQ2 |
-DC/00 |
|
Third |
Spool function |
Hydraulic remote controlled |
Not electrical |
GDV25 series mono-block valve is an open center,3 position 4 way valve. Flow from pump passes through inlet port and enters to inlet passage.The inlet passage connects two passage:one is through the load check into the parallel passage to supply flow to metering spool;Another is to neutral passage .When spool is in neutral position,spool metering with parallel passage is blocked.The oil from pump has to pass through neutral passage.When all spools are in neutral position ,parallel passage for each spool is blocked,and neutral passage is wide open.Therefore,oil from pump is directly passing through the neutral passage to return passage to tank.It produces small pressure drop from “P” to “T”.When one of the spools is moved to “1” or “2” position,the spool blocked the neutral passage.The flow from pump has to pass load check to parallel passage,then through valve opening between parallel passage and spool to work port “A” or “B”. For multi-spool mono-block valve, when one of its spools is in “1” or “2” position,its downstream of the neutral passage has no flow. The operator can operate more than one spools at a time, but the speed of the controlled device will be dependent on the magnitude of the load.
Product detail pictures:
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Our intention should be to fulfill our consumers by offering golden provider, superior price and superior quality for Free sample for Komatsu Hydraulic Gear Pump - Monoblock Valves-GDV25 series – Guorui, The product will supply to all over the world, such as: Hyderabad, Eindhoven, St. Petersburg, We adhere to client 1st, top quality 1st, continuous improvement, mutual advantage and win-win principles. When cooperation together with the customer, we provide shoppers with the highest high-quality of service. Established good business relations using the Zimbabwe buyer inside the business, we've got established own brand and reputation. At the identical time, wholeheartedly welcome new and old prospects to our company to go to and negotiate small business.
By Coral from Mecca - 2016.09.30 16:36
The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
By Atalanta from Israel - 2016.12.31 14:53
