GDFWH series explosion-proof electro-hydraulic directional valveDetailed product description：

1. The GDFWH series explosion-proof electro-hydraulic directional valve is designed and manufactured in accordance with GB3836.1-2000 "General Requirements for Explosion proof Electrical Equipment for Explosive Environments" and GB3836.2-2000 "Explosion proof Electrical Equipment for Explosive Environments - Explosion proof Electrical Equipment" d "and relevant standards. The product and technical documents have been approved by the national designated explosion-proof inspection unit, and the explosion-proof certificate numbers are 2022200 (factory use), 2022199 (mining use), and coal safety number: 20022049.
2. The electrical device adopts strict explosion-proof measures, and the incoming wire of the junction box has the advantages of reliable sealing and convenient wiring.
3. This product is a plate connection type, and its installation and connection dimensions comply with the standard GB2514-81 "Installation Surface of Four Port Plate Hydraulic Directional Control Valve".
4. This GD and GDY series explosion-proof directional control valve is suitable for use in hydraulic systems with explosion-proof requirements (such as coal mines, petroleum, metallurgy, chemical industry, and factories where there are B-class explosive mixtures of combustible gases, vapors, and air containing T1, T2, T3, and T4 groups) for directional control.

Model Description:


Technical parameters:

Type	Explosion proof solenoid valve		Explosion proof electro-hydraulic valve
Nominal diameter mm	02	03	03	04	06	ten
Nominal pressure MPa	thirty-one point five
Nominal flow rate l/min	eighty	one hundred	one hundred and sixty	three hundred	four hundred and fifty	six hundred and fifty
Allowable back pressure MPa	≤10		≤ 31.5 (pilot valve ≤ 6.3)
Control oil pressure MPa			≥1.0
Explosion-proof marking	Mining: Di Factory: dIIBT4
Power supply voltage V	DC：12，24，36，48,99； AC（50Hz）：36，220
Switching frequency (times/minute)	≤60
Electricity rate	one hundred
Usage environment	Temperature: -20~+40 ℃, humidity: ≤ 95%
working medium	Hydraulic oil, viscosity: 10~350mm2/S, Filtering accuracy ≤ 25um, temperature -5~60 ℃

GDFWH series explosion-proof electro-hydraulic directional valve