U401-A Solenoid Valve

U401-A Solenoid Valve

The flow control valve has been tested and granted Ex approval.The Ex-approval is EX m II T4.Ex certificate number is CE021037.

Materials:

Body: Die cast aluminum alloy

Technical Specifications:

Power:AC220 V,2×4W

Current Consumption: big flow valve 18mA, small flow valve 18mA

Allow flow rate:65L/min,big flow rate:50L/min,small flow rate:5L/min.

Working pressure:0.035-0.035MPa

Environmental Condition: -40~~+70degree

Features:

A high advantage in reliability and adaptability.

Housing: Die cast aluminum alloy.

Dual flow control valves have three grades of big flow, small flow and close.

The fuel resistant cable can be customized regarding length.

100% Factory Tested.

Wiring:

Color Link

Brown communal terminal

Black big flow rate

white small flow rate

Yellow/green ground

Package:

Product ID Weight Dimension

U401-A 2.1kg/case of 130 ×116× 80mm/case of 1

. Inlet pressure labeled as P1, annular pa fuel dispenser ssage labeled as P2 that is equivalent to the P1. Diagram 2-18 the working principal drawing of metal piston measurement transducer Diagram 2-18 a: piston 1 reaches the furthest point. The side window of cylinder 1 is entirely opened by piston 1. The oil in the centre oblong chamber flows into the top of piston 4, its pressure P1. At the same time, piston 3 reaches the nearest point, annular groove overlap with the side window of piston 3, making it connected with the elliptical outlet at the upper cylinder. (See diagram 2-17). Meanwhile, Piston 2 impels oil into annular passage and discharge out via the side window of Piston 3 and top elliptical window. In the status, piston 2 and piston 4 lie in cross-bencher position, covering the windows 2 and 4 respectively. Their top pressures are P1 and P2, P1 ＞P2. Owing to the different pressure, piston 2 leaves the center, but piston 4 reaches the center. So do piston 1 and piston 3. Nylon wheel rotates clockwise, and come to the state fuel dispenser of Diagram 2-18b after rounding 90 degree. Diagram 2-18: Working principle chart of metal piston measurement transducer Diagram 2-18 b: The piston 2 and Piston 4, respectively come to the furthest point and nearest point from ‘a�state under the different pressure. However, the Piston 1 and Piston 3 reach cross-bencher position. This progress as followed: Piston 2 open the side cylinder window, making oil flow into the top of Piston 1. Piston 4 gradually opens the side cylinder window and elliptical window, and Piston 3 drive oil out of measurement transducer via annular passage. Starting from the ‘b�status, Piston 1 and Piston 3 move from the cross-bencher position to the nearest point or the furthest point, respectively. So do Piston 2 and Piston 4. Nylon wheel rotates clockwise, and come to the state of Diagram 2-18b after rounding 90 degree. Diagram 2-18 c: The piston move progress is similar to the state of Diagram 2-18b. Nylon wheel rotates clockwise, and come to the sta fuel dispenser

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