Explosion-Proof Proportional Directional Valve 4WRA 6-2X by Huade

• Customization: Available
• Function: Pressure Regulating, Flow Control
• Installation: Plate
• Model NO.: 4WRA 6-2X FB
• Drive: Electric
• Type: Directly Operated Type
• Temperature: -20~70 Degree
• Pressure: to 315 Bar
• Media: Mineral Oils or Phosphate Ester
• Certification: CE, ISO9001
• Aftersales Service: Lifetime
• Warranty: 1 Year
• Condition: New
• Material: carton steel
• Size: 6
• Flow: 75L/min
• Transport Package: Carton
• Trademark: Huade
• Origin: China
• HS Code: 8481802990
• Production Capacity: 50000PCS/Year

Product Description

Features:

•  Direct operated proportional directional valve to control the direction and magnitude of a flow
•  For subplate mounting: Porting pattern conforms to ISO4401
• Actuation by means of proportional solenoids with central thread and removable coil
• Spring centred control spool

Application:
Explosion-Proof 4WRA 6-2X can be used in heavy machinery manufacturing, machine tools and industrial automation.

Hydraulic
Installation		Optional, preferably horizontal
Nominal size		6	10
Weight                            (kg)	4WRA... 2X	2	6.6
Nominal flow Qvnom at △p = 10 bar   (L/min)		7, 15, 26	30, 60
Hysteresis                      (%)		≤5
Reversal span                 (%)		≤1
Response sensitivity  (%)		≤ 0.5
Max.operating pressure	Ports A,B,P (bar)	350
	Port T (bar)	210
Pressure fluid		Mineral oil(HL,HLP) to DIN 51524
		Other pressure fluids on request!
Ambient air temperature range (ºC)	4WRA...2X	-20°C to 70°C(-4°F to 158°F)
Viscosity range (mm^2/s)		20to 380(preferably 30 to 46)
Fluid Cleanliness Class		NAS1638 class9 or ISO 4406 class 20/18/15

Electrical
1)Solenoid data
Voltage type		DC
Command value signal for 4WRA		±10Vor4~20mA
Max.current per solenoid (A)		2.5	1.5	0.8
Solenoid coil resistance (Ω)	Cold value at 20°C	2	4.8	19.5
	Max.warm value	3	7.2	28.8
Duty (%)		ED100%
Max.coil temperature  (ºC)		150
Valve protection to EN60529		IP 65
2) Control electronics
Amplifier	4WRA...2X	VT-VSPA2-...- 2X
Supply voltage (V)	Nominal voltage	24
	Lower limiting value	21/22(4WRA)
	Upper limiting value	35
Amplifier power consumption (A)	Imax	<1.8
	Impulse current	3

Huafilter is the approved distributor of Huade Hydraulic. We mainly supply Huade brand hydraulic valves including Explosion-Proof Proportional Directional Valve 4WRA 6-2X. They are of high performance and lower price.

 

Q: What is the payment terms?
A:(1)100% T/T in advance in first order.
(2)30% T/T prepaid as deposit and balance 70% before shipment.
Q: What is the delivery time?
A: 2-3 weeks after received the payment. If in stock, we will ship within 48 hours.
Q: What is the shipment terms?
A: Transport by air (DHL/UPS/FEDEX) or by sea.
Q: Why choose us?
A: Beijing Huade Hydraulic Industrial Group has incorporated cutting-edge technology from Rexroth. Huade's hydraulic products can completely replace the same range of products offered by Rexroth. We can guarantee the quality and high performance.