PriceList for Gear Pump For Hydraulic Power Units - Monoblock Valves-GDV25 series – Guorui

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PriceList for Gear Pump For Hydraulic Power Units - 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:

PriceList for Gear Pump For Hydraulic Power Units -
 Monoblock Valves-GDV25 series – Guorui detail pictures


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Persisting in "High quality, Prompt Delivery, Aggressive Price", now we have established long-term cooperation with consumers from equally overseas and domestically and get new and old clients' large comments for PriceList for Gear Pump For Hydraulic Power Units - Monoblock Valves-GDV25 series – Guorui, The product will supply to all over the world, such as: Moscow , Australia , Johor , Look forward to the future, we'll focus more on the brand building and promotion . And in the process of our brand global strategic layout we welcome more and more partners join us, work together with us based on mutual benefit. Let's develop market by fully utilizing our in depth advantages and strive for building.
  • As an international trading company, we have numerous partners, but about your company, I just want to say, you are really good, wide range, good quality, reasonable prices, warm and thoughtful service, advanced technology and equipment and workers have professional training, feedback and product update is timely, in short, this is a very pleasant cooperation, and we look forward to the next cooperation!
    5 Stars By Madeline from Bangkok - 2016.12.02 14:11
    This supplier's raw material quality is stable and reliable, has always been in accordance with the requirements of our company to provide the goods that quality meet our requirements.
    5 Stars By Michelle from New Delhi - 2016.05.02 11:33

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