| Media: | Oil |
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| Temperature: | High Temperature |
| Actuator: | Electric |
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4WE hydraulic directional spool control proportional valve
Specifications
| General | |||
|---|---|---|---|
| Weight | - Valve with one solenoid | kg [lbs] | 1.45 [3.2] |
| - Valve with two solenoids | kg [lbs] | 1.95 [4.3] | |
| Mounting orientation | Unrestricted | ||
| Ambient temperature range | °C [°F] | -30 to +50 [-22 to +122] (NBR seals) -20 to +50 [-4 to +122] (FKM seals) |
|
| Hydraulic | |||
| Maximum operating pressure | - Ports A, B, P | bar [psi] | 350 [5100] |
| - Port T | bar [psi] | 210 [3050] (DC); 160 [2320] (AC) For symbols A and B, port T must be used as the drain port, if the operating pressure is higher than the tank pressure. |
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| Maximum flow | l/min [gpm] | 80 [21] (DC); 60 [15.8] (AC) | |
| Flow cross-section (centered spool) |
- Spool symbol Q | mm2 | approx. 6 % of nominal cross-section |
| - Spool symbol W | mm2 | approx. 3 % of nominal cross-section | |
| Mineral oil (HL, HLP) to DIN 51524; fast bio-de-gradable hydraulic fluids to VDMA 24568 (see also RE 90221); HETG (rape-seed oil); HEPG (polygly cols); HEES (synthetic esters) ; other hydraulic fluids upon request |
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| Hydraulic fluid temperature range | °C [°F] | -30 to +80 [-22 to +176] (NBR seals) -15 to +80 [-4 to +176] (FKM seals) |
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| Viscosity range | mm2/s [SUS] | 2,8 to 500 [35 to 2320] | |
| Max. permissible degree of contamination of the hydraulic fluid - cleanliness class to ISO 4406 (c) | Class 20/18/15 | ||
Q1:Can you provide a sample to check quality before the big order?
A:Yes, we can .
Q2:Can I have my brand on the products?
A:We can give you OEM depend on the quantity.
Q3:How about your quality?
A:Many industry& mobile machine manufacturers is our customer in China and over the world.
We test the goods one by one before delivery to confirm the quality.
Q4: How long has your company run in Hydraulic Fields?
A:Over 10 years
Q5: Which payment terms do you accept?
A:L/C T/T D/A D/P Western Union Paypal Money Gram
Q6: What is your delivery time?
A:It depends on whether the products you buy is in stock.If in stock, ship it within 1-3days,
if not, we can discuss and we will arrange your order as soon as possible.
Q7: What's the warranty of your products?
A:12 months~18months after shippment.
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