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Z2S6 superposition type hydraulic control check valve


Z2S6 superposition type hydraulic control check valve
Stable quality: implement quality monitoring throughout the process, meticulous and comprehensive detection!

Reasonable price: efficient internal cost control, reducing expenses and benefiting customers!

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Sales: 021-31007323
Fax: 021-333321522
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product manual Pledge Order process

 

  Product name : Stacked hydraulic control check valve Product model : Z2S6 type
   Driving method : Pilot Connection form : Thread
   Pressure range : 31.5MPa    Nominal diameter : -DN22 DN6 -DN22
   Common materials : Carbon steel, stainless steel    Technical consultation : 021-31007323

是国内著名〖 Z2S6型叠加式液控单向阀 〗制造商,也是国内大型【 液压 阀门 】生产商之一,公司自成立以来始终围绕客户的需求并持续创新,为广大的代理商和企业客户提供〖Z2S6型叠加式液控单向阀 〗解决方案,质量可靠,价格实惠,故畅销全国各地,欢迎新老客户来电,来函,我们将为您提供最优质的服务。 Hushan Valve Manufacturing (Shanghai) Co., Ltd. is a well-known domestic manufacturer of " Z2S6 stacking hydraulic control check valve" and one of the large domestic [ hydraulic valve ] manufacturers. Since its establishment, the company has always focused on customer needs and continued innovation To provide our agents and enterprise customers with the "Z2S6 type superimposed hydraulic control one-way valve" solution, reliable quality and affordable price, so it sells all over the country, welcome new and old customers to call us, email us, we will provide you the best Service.

 

简介: I. Brief introduction of Z2S6 superposition type hydraulic control check valve :

   是依靠控制流体压力,可以使单向阀反向流通的阀。 Hydraulic control check valve is a valve that can make the check valve flow in the reverse direction by controlling the pressure of the fluid. This valve occupies an important position in the hydraulic support equipment of coal mine machinery. The difference between the hydraulic check valve and the ordinary check valve is that there is an additional control oil circuit K. When the pressure oil is not connected to the control oil circuit, the hydraulic check valve works like a normal check valve It only flows from the oil inlet to the oil outlet. It cannot flow in the opposite direction. When the oil pressure of the control circuit is input, the piston rod moves to the right under the action of pressure oil, and the check valve is opened with the rod to open the oil inlet and outlet. If the oil outlet is larger than the oil inlet, the oil flow can be reversed.

Z2S6型叠加式液控单向阀 分类: Classification of Z2S6 superposition type hydraulic control check valve :
 

Hydraulic control check valve is one of the directional control valves. Specific classification:

Directional control valves are divided into two categories: check valves and directional valves according to their functions in the hydraulic system.

Check valve in hydraulic transmission has ordinary check valve and hydraulic control check valve.

Z2S6型叠加式液控单向阀 产品特点: Product features of Z2S6 superposition type hydraulic control check valve :
 

1, KUKING Z2S6 type 6X stacked hydraulic control check valve mounting surface according to DIN24340 A type ISO 4401 and CETOP RP121H

2.KUKING Z2S6 type 6X stacking hydraulic control check valve has no leakage to seal one or two working ports as required.

3, KUKING Z2S6 type 6X stacked hydraulic control check valve is suitable for vertical knot stacking

4.KUKING Z2S6 type 6X stacking hydraulic control check valve diameter (NG) 6mm

5, KUKING Z2S6 6X superimposed hydraulic control check valve pressure to 31.5MPa

6, KUKING Z2S6 6X superposition type hydraulic control check valve flow to 100L / min

7, KUKING Z2S6 type 6X stacked hydraulic control check valve with 3 different opening pressures

Z2S6型叠加式液控单向阀型号说明: 4. Model description of Z2S6 superimposed hydraulic control check valve:
 

Z2S6 6 - 1 6X V *
Serial number The way to Port Opening pressure series Viton seal Additional information
Z2S6 6 superimposed hydraulic control check valve 6 -: Ports A and B are closed without leakage 1: 0.15Mpa 6X: 60 to 69 series Unmarked: Nitrile rubber seal  
A: Port A is closed without leakage 2: 0.3Mpa (60-69 installation and connection dimensions are the same) Suitable for mineral oils (HL, HLP) according to DIN51524
B: Port B is closed without leakage 3: 0.7Mpa   V: Viton seal
    Suitable for phosphate
    (HFD-R)


Z2S6型叠加式液控单向阀技术参数: V. Technical parameters of Z2S6 superposition type hydraulic control check valve:

Oil Mineral oil (HL, HLP) according to DIN51524
Phosphate (HFD-R)
Oil cleanliness The highest pollution degree of the oil is according to NAS1638 Class 9 recommended filter with a minimum filtration accuracy of B10≥75.
Oil temperature range ( C) -30 to +80 pairs of nitrile rubber seals
Oil temperature range ( C) -20 to +80 pairs of butadiene rubber seals
Oil viscosity range (mm2 / s) 2.8 to 500
Working pressure of hydraulic oil Mpa 31.5
Flow rate L / min 60
Flow direction See symbol
Free-flow opening pressure See characteristic curve
Area ratio A1 / A2 = 1/3
Weight kg About 0.8


Z2S6型叠加式液控单向阀尺寸图: Dimension drawing of Z2S6 superposition type hydraulic control check valve:





Z2S6型叠加式液控单向阀性能曲线: Performance curve of Z2S6 superposition type hydraulic control check valve:



Z2S6型叠加式液控单向阀结构图: Structure chart of Z2S6 superposition type hydraulic control check valve:




注意事项: Nine, Z2S6 superposition type hydraulic control check valve Note:

 

Field practice has proved that hydraulic control check valves are prone to problems during use and maintenance. The following are precautions.

(1) It must be ensured that the hydraulic control check valve has sufficient control pressure, and the control pressure loss is absolutely not allowed. Attention should be paid to whether the control pressure meets the requirements of reverse opening. If the control of the hydraulic control check valve leads to the autonomous system, the influence of the pressure change of the main system on the pressure of the control oil circuit must be analyzed to avoid the malfunction of the hydraulic control check valve.

(2) According to the position of the hydraulic control check valve in the hydraulic system or the resistance of the liquid flow (back pressure) after the oil outlet chamber is reversed, choose the structure (simple or double) of the hydraulic control check valve and drain the oil reasonably. Method (internal or external). For internal drain type check valve, when the reverse oil outlet pressure exceeds a certain value, the hydraulic control part will lose control. Therefore, the internal drain type check valve is generally used for the reverse oil outlet chamber without back Occasions with low pressure or back pressure; and the leak-out hydraulic control check valve can be used in the case of high back pressure in the reverse oil outlet chamber to reduce the minimum control pressure and save control power. If the system adopts the internal unloading type, the plunger cylinder will drop intermittently to generate vibration and noise.

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