Multi Function Water Pump Control Tube Force Valve

• Customization: Available
• Media: Water
• Temperature: Ordinary Temperature
• Model NO.: DG741Y
• Material: Cast Steel
• Connection Form: Flange
• Structure: Cutting off Medium
• Pressure: Ordinary Temperature
• Function: Nrvr Silence
• Sealing Form: Disc
• Flow Direction: Unidirection
• Standard: GB
• Application: Water Industrial Usage
• Nominal Pressure: 1.6-2.5MPa
• Nominal Diameter: Dn200-Dn1200
• Working Temperature: 0-80
• Transport Package: Polywood Case
• Specification: DN200-DN1200
• Trademark: Quanshun
• Origin: Zhengzhou China
• Production Capacity: 200PCS/Month

Product Description

 The Most Advanced Water Pump Control Valve

Tube force is a newly product of the third generation hydraulic control valve, is a kind of butterfly type multi-function control valve. The valve is adopted with flow design,low energy consumption, reliable performance, and good sealing performance. It has the function of both electric gate valve, electric butterfly valve and control valve, fast closing speed and adjustable pressure relief time, can effectively eliminate water hammer damage, protect the safety of the pump and the pipeline system. The valve is mainly installed on outlet pipeline of the centrifugal pump,mixed flow pump and axial flow pump, the valve is designed with diaphragm type and piston type, can be separately applied to clean water,raw water,sewage and slurry water medium, the valve can feedback the valve operation condition in real time through auxiliary components, achieve automatically control and remote detection for remote distance transportation engineering. There are five types such as common type, back water type and low voltage type to meet different customer's requirement. Because of the valve structure is compact, small size and light weight, the valve is very suitable to large size pipelines. The valve is  etc. widely used in electric power, metallurgy, municipal, environmental protection, food industry supply, drainage system, sewage pumping stations, chemical delivery system. It is a new type of pumping station with the newest structure, the most advanced performance and the most reliable operation.

Main Design and Manufacture Standard

Pressure Test Standard    GB/T13927-2008,API598
Flange Standard         GB/T9113.1-2000,ASME B16.5,B16.47
Design Standard        GB/T12236-2008         
                       API6D-2005              
                       ASME B16.34
 Material Standard      GB/T12229-2005          
                      GB/T12230-2005         
                      GB/T12226-2005          
                      ASME B16.34
Main Technical Parameters

Item		Nominal Diameter
		<1000mm	≥1000mm
Closing Time (S)	Quick	1-2.5	1-5
	Slow	3-60	5-90
(MPa)Min Working Pressure		=0.1
Resistance Coefficient		0.3-1.1
Valve opening time		10-60
Water Hammer Peak Valve		≤1.5 times of the rated pressure of the outlet of water pump
Water Max Reverse Speed		≤1.2 times of the rated speed of the water pump

Main Parts and Materials   
 

Parts Name	Material
Valve Body	ASTM A216 WCB
Valve Disc	ASTM A216 WCB
Valve Stem	ASTM A182 F6a
Sealing Face	STL/13Cr

Product Characteristic
 1,Mufti-Function: The valve has the function of globe valve, non-return valve and eliminate the water hammer, with one valve of many other valve function, the product cost is low.
  2,Slow opening pump: Under the function of the inlet of the micro-porous check valve after starting of the pump, the valve will open under a certain pressure, the pump staring current is saved to unsure the safety of the motor and the electronic control system.
  3,Quick - Flow Close: The valve is designed with unique small plate structure, The  first quick close and then slow closing mode to effectively eliminate the water hammer and guarantee the pipeline system safe.
  4,Good looking appearance: The valve is adopted with innovative design of control device overhead of the valve, the outline space is small, the inner structure is simple, operation is reliable. The valve body, spare parts are all precision casting, the structure strength is good and outlook is simple.
  5,Easy Installation: The valve is adopted with butterfly type structure with the advantages of small space occupation, low construction cost and suitable for various installation methods like trench 
 6,East to Operation: The opening and closing of the valve is achieved by the pushing of the medium,automatically interlocked with water pump, no manual or external manipulation is necessary.
  
Spares parts for the hydraulic cylinder can be carried out while the unit is running normally;
 
The key parts are made of high quality materials, basically without maintenance;
 
The filter in the external control passage has self flushing function
  7,Energy Saving and Consumption Reduction : The valve opening and closing parts is designed with oblique butterfly plates type, the medium flowing is smooth,Along the path loss and partial loss is very small. The hydraulic-electric control system is removed , the cost is saved and the reliability and stability is increased, the electric power is saved.
  8,The valve action and sealing is reliable, leakage is zero : The valve is firstly designed with soft &hard sealing structure and metal sealing structure , the sealing friction is very mall. The oblique eccentric structure sealing parts can shorten the valve closing travel, and reduce the seal ring moving distance, the frinction coefficient torque is reduced, and The effect of instant disconnection is achieved. The valve has the function of preventing sediment and pressure automatically compensation as well, the valve body and valve plate is optimized design, so that the valve opening and closing is flexible and reliable.
  9,More applicable :The product is divided into diaphragm type and piston type which are suitable for different working conditions of different meidum. There is a special filter in the external parts that can effectively filter the impurity particles in the sewage, and ensure thatn the medium flowing into the diaphragm cavity and piston cylinder is clean. The filter device has self-cleaning function, there is a slag removing device in bellow, which can be manually cleaned, the system aslo has cleaning devices. The medium also can be adjustable by opening degree of handwheel or electric actuator according to working conditions.

Working Principle( Showing as bellow)
 1,  Opening the vlave: The initial state is shown in picture 1, when the pump is started, the pressed valve flowing into the lower control cavity through the bypass pipe with inlet of the microporous check valve. Under the force of the water inlet of the valve,the large valve disc opens slowly through the small valve disc which is shown in picture. The valve opening speed can be adjusted to the most ideal effect by adjusting the bypass valve according to the working condition requirements.
  2,Closing the valve: During the moment of the pmup is stopped, the flow and pressure from the inlet of the valve is suddenly decreased, the large disc get closed quickly under the action of gravity, and most of the medium are stopped, the small disc discharge the flowing back medium automatically under the action of the spring.. Picture 3 showns that  the water hammer peak value is reduced , at the same time, some of the flowing back water flow into the upper of the control cavity, and the control rod is pushed down, the small disc is closed until the medium is fully cutting off, please refer to the picture 4.. The valve closing time can be adjusted through the bypass valve to make the water hammer value is in control range.