China Cheap price Single Disc Check Valve for Senegal

China Cheap price Single Disc Check Valve for Senegal

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We insist on the principle of development of 'High quality, Efficiency, Sincerity and Down-to-earth working approach' to provide you with excellent service of processing! China Cheap price Single Disc Check Valve for Senegal, Adhering to the business principle of mutual benefits, we have won good reputation among our customers because of our perfect services, quality products and competitive prices. We warmly welcome customers from home and abroad to cooperate with us for common success.


GMK Dual plate check valve has retainer and retainer-less type design. Dual plate check valves have the advantage of zero leakage toward outside, cost saving. It can be installed in any line orientation, superior seal performance. Valves are designed in accordance to API 594 and have dual plate or single plate design and pin can be retainer-less type.

Product Range

-Valvesize:

2”~40”(DN50-DN1000)

-Pressure:

ANSIClass150~2500(PN16-PN420)

-Temperature:
-196℃~ 500℃

-Body Materials:

Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel

-Trim (Disc/Stem):

Carbon Steel, Stainless Steel, Duplex Steel, Alloy Steel

Technical Specifications

-Design: ASME 16.34/API 594/API 6D

-Face to Face: ASME B16.10

-End Flange: ASME B16.5, ASME B16.47

-BW End: ASME B16.25

-Test: API 598/ API 6D/ BS 6755

-Special: NACE MR-01-75

Design Features

-Dual plate or single plate.

-Spring loaded disc.

-Resilient or metal seated.

– Retainer or Retainer Less Design

– Round, Full Lug or Double Flange

-Light-weight & compact design.

-Optional plug disc.

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  • web:http://www.gmkvalve.com/
    Email : sales@gmkvalve.com / info@gmkvalve.com
    GMK VALVE was located in longwan town,wenzhou city of Zhejiang,where is the China Pump & Valve hometown.

    The main products of our company include ball valves, gate valves, globe valves, check valves, butterfly valves, plug valves,strainer valves, power station valves,and gas valves ect. Size from 1/2″ to 88″ (DN15 to DN2200);Pressure from 150Lb to 2500Lb (PN1.0Mpa to PN42.0Mpa); materials cover WCB, WCC, WC6, WC9, CF8, CF3, CF8m, CF3M, LCB, LCC, A105, 304, 316, 304L, 316L, F11, F22, LF2, F51,B148, ALLOY 20, UB6, Titanium, Hastelloy, Inconel,duplex stainless steel, Monel, Monel etc.

    The products are widely applied in petroleum, chemical industry, natural gas, electric power, metallurgy, pharmacy, pulp & paper, urban construction and long transportation pipeline projects. Our products are sold well worldwide include America, Europe, Southeast Asia, Middle East and Africa ect. Certificated with ISO9001, API6D, CE/ PED.

    We has established the technical research, development center and quality inspection center with a relatively sound management system.

    In addition, it has introduced advanced manufacturing technology from aboard, and has advanced machining centers, CNC machine tools, metal cutting and processing equipment, physical and chemical testing equipment, nondestructive tester, spectrum analyzer, valve comprehensive performance tester and other equipment to ensure the products reach the purpose of zero leakage.

    We insist on the concept of ” Quality first,Prestige important”, a well-trained and dedicated team including engineers,technicians and other employees, This allows us to offer customers quality product,competitive price and prompt delivery time.

    We always work hard to improve our existing products and pursue new ideas and ways to stay ahead of the every changing market.With our professonal and experience hope can enlarge your market and obtain a new brilliance in the future .



    In one of my earlier videos, I explained how you can generate 20 control valves data sheets within one minute through ProMax. In this video, I will further explain how you can complete all the mechanical details so that they are ready to send out for quote.

    As I explained in my previous video, it is very easy to import process data into the service conditions section in this excel spread sheet. We fill out two control valves process data in seconds. Let us focus on this level control valve LV-400.

    There are totally nine (9) mechanical data sections in a standard ISA valve data sheet, Service conditions, Line, Valve body, Trim, Actuator, Positional, Switches, Instrument Air and Test section.

    In the line section, you need to input the inlet and outlet pipe diameter. If you know the pipe schedule, you can put it there as well. If the normal operating temperature is higher than 150 F or lower than 32 F, you probably want to put the insulation.

    Generally speaking, three valve types are used for control valve. Most of the time, the control valve type is Globe. You can also select ball or butterfly type if you are sure. Valve size is typically one size smaller than the pipe size, but we will let the valve vendor to confirm. For the Max pressure/temperature, you can simply input the design pressure and temperature of the valve upstream equipment. Valve body is normally carbon steel, but it can be stainless steel for cryogenic conditions. Valves are normally connected to the pipes through the raised face flange to prevent leakage. In addition, you also need to specify the flange class.

    Now let’s move to the Trim section. There are three kinds of Characteristics, equal percentage, linear and quick opening. Equal percentage is most popular for most cases. Linear valves are primarily used for liquid level control, while quick opening valves are primarily used for ON and Off valves. In addition, the trim can be either balanced or unbalanced. Balanced valves gives smaller actuator, but more expense.

    Regarding the Actuator type, it can be either pneumatic, hydraulic or motor driven. Most of the time, the valve is driven pneumatically by instrument air. Control valves are modulating valves. Instrument air pressure is normally within 70 to 120 psig range. Actuator is normally parallel to pipe to reduce piping interference. Hand wheel is not normally necessary. When instrument air fails, the valve can either fail open or close. Normally the input signal is 4 to 20 mini amps, where 4 mini amps means valve is closed.

    Positioner can be either a I/P type or P/P type. With the I/P type, the positioner converts the 4 to 20 mini amps signal into the valve position and the pressure to operate the actuator. P/P type translates the input pressure into another pressure to operate the actuator to arrive the desired position. Sometimes you might want to include a pressure gauge.

    Switches are normally for ON/OFF ESD valves.

    With dirty instrument air, you might want to have an air filter, in addition, a pressure gauge is preferred to regulate the instrument air supply pressure.

    For a control valve, Class IV leakage should be sufficient for most cases.

    Put down today’s date and your name. Congratulations, this valve is ready to sent out for quote.

    Thanks for watching this video. It is brought to you by Guofu Chen. More interesting topics can be found at showcase.guofuchen.com

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