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  • Installation and Requirements of valves in Sewage Treatment
    Posted: 06/22/2021 12:09:51 Hits: 2

    hrntai-manga,1. Principles of installation of valves 1.1 The valve should be set according to the type and quantity showed on the pipeline and instrument flow chart (PID). When there are specific requirements for directions of certain valves in PID, they should be set according to techni...

  • Installation and Adjustments of the Packing of the Valve
    Posted: 04/16/2021 10:57:14 Hits: 5

    ww-free-sex-video,The effective sealing of pumps and valves depends on the overall condition of each component. Before installing the packing, make sure that the equipment which needs to be replaced has been effectively separated according to the site and system. This article is used to guide the maintenance personne...

  • Development of High Temperature and High-pressure Ball xxx chat room with Zero Leakage
    Posted: 03/23/2021 10:51:38 Hits: 10

    The fully enclosed structure of high temperature and high-pressure ball valves with zero leakage as well as selection methods and working principles of shielded electric devices are introduced in this article. The structural characteristics of the shielded control ...,xxx-pri

  • The Preferred Valve for Corrosive Environments
    Posted: 03/05/2021 11:33:24 Hits: 7

    xxx-bay,xxx chat room made from nickel based alloy materials can work well on pipeline equipment in fine chemical engineering, metallurgical and smelting industries. They are very reliable corrosion resistant valves with good performance such as high strength, good toughness, high tem...

  • How to Choose xxx chat room for Natural Gas?
    Posted: 01/25/2021 13:46:59 Hits: 9

    gf-bf-sexy,The general valve selection is based on functions and characteristics. If the body material of the valve used for natural gas is not matched, it may cause leakages or internal leakages of the valve body and seal. The mechanical properties, strength and rigidity of the parts canno...

  • Cryogenic xxx chat room for LNG
    Posted: 01/08/2021 09:50:48 Hits: 10

    Characteristics of the shipping industry The shipyard is very simple. Therefore, there is very little space on board. The operator must reduce the volume to make the natural gas tank as small as possible. Liquefied natural gas or LNG is adopted to realize this purpose. Natural gas is liquidized ...,cum-porn

  • Methods of Thermal Seal Tests for High Pressure and Ultra High Temperature xxx chat room (Part Two)
    Posted: 12/07/2020 09:15:16 Hits: 14

    Test processes The matching relationship test between pressure of the hydro-cylinder and pressure of the medium and temperature is relatively complicated, and the specific test procedures are implemented according to technical requirements. (1) First, put the valve in a sem...,sunny-leone-gif

  • Methods of Thermal Seal Tests for High Pressure and Ultra High Temperature xxx chat room (Part One)
    Posted: 11/24/2020 09:34:09 Hits: 9

    Abstract This article introduces a heat insulation effect test of high-pressure and ultra-high temperature valve body and the test device and operation method of the matching relationship between the pressure of the hydraulic actuator and the medium temperature and pressure.   Ov...,drunk-naked

  • Can we use globe valves like gate valves? (Part Two)
    Posted: 11/02/2020 09:49:51 Hits: 12

    Installation and flow directions Gate valves flow in both directions with the same effect. Inlet or outlet direction is not required in the installation and the medium can flow from both directions. Globe valves should be installed strictly based on the arrow on the valve body. There is a clear regu...,deepika-sex

  • Can we use globe valves like gate valves? (Part One)
    Posted: 10/26/2020 15:09:25 Hits: 17

    xxx chat room such as globe valves, gate valves, butterfly valves, check valves and ball valves are all indispensable control components in various piping systems. Each valve is different in appearance, structure and even functional purpose. However, the globe valve and the gate valve have some similaritie...,free-mobileporn

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