Vertical Non Return Valve
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Casing head test pressure process
- 1. Test pressure single test pressure and system test pressure, single test pressure: pipe laying or hidden parts of the pipeline after the completion of installation and design requirements according to the requirements of water pressure test. System test pressure: heating system installed according to the design and specification requirements for system water pressure test. 2. Heating, air conditioning system test procedures: a first check the entire system of all control valves are open, the system should be separated from the outer pipe network, open the gas tank release valve. B will be the water supply pipe, test pressure pump and other temporary pressure test pipe connected to the main water supply pipe, and irrigation to the system until the system filled with water and the pipeline system after the air drained (put the wind gate workers The valve out of the water so far), close the release valve; c operation test pump to boost, boost the process should pay attention to check the management, fittings and accessories are leaked, such as leakage should stop the pressure, and after the buck Repair, change pad, tighten and so on. D system without leakage, the pressure and boost to the test pressure, stop the pump check, and observe the pressure gauge, requiring 10 minutes pressure drop of not more than 0.02Mpa, that is qualified.s
New to buy a house, construction area of 120 square meters, do not understand to warm, do not know what to warm, how the cost?
- The cost is high, 120 square feet, to make warm water price should be around 10,005, the monthly cost in 1000-1200, electricity and warm at around 20,002, the monthly cost 800-1000 ,, just installed before 3- 4 months, costs can even reach 3000, and then slowly down the initial installation fee in accordance equipment you use, is above the domestic price of imported equipment plus 10,000 other half 5--10 years we should overhaul, replacement equipment ,, guard in front of each year to be hungry thirsty budding pole leek blood Christine Ge Mount maintenance costs it 2-3 one thousand, but this kind of thing to warm a different air-conditioning, opened after 1-3 hours the effect to be fully out, so unless go out a couple of weeks, otherwise they can not turn off, to be always open; in short warm high cost of installation and use costs, 300 square feet or less of an area of land is not recommended warm, of course, if your family income is high, the cost of care To warm the effect is much better than the air conditioning, a lot of comfort, really warm like the feeling of spring, must be installed, or recommend water to warm, much better than electricity to warm, and the other equipment, in the house or rough when it is necessary find warm company People came to the site to do the design, there are some cross construction, put before the best house decoration scheme laid down,s
Electric heating, is buried or how, how to do the big wire
- Look at how much power you use for the heating stoves
What is the service life of the air source heat pump water heating system?
- General air to heat pump life to how to set, which is the core component of the compressor, the compressor life is generally 10 to 15 years, the use of properly to 20 years is also some, indoor pipeline at least 20 to 30 years, 50 years is also possible. As for the water to warm the system is to see the pipeline there are some accessories selection, good pipe 50 years no problem. Air energy units recommend the use of intimate PHNIX, most of the unit accessories are high-quality imported accessories, the service life is relatively long.s
How to use geothermal cleaning machine
- With the instructions to say with the instructions, and then not to the place to buy usages
Carbon crystal to warm on the wood floor, cement board, tile can shop it?
- Carbon crystal to warm in the cement and tiles can be paved, wood flooring, then it is recommended to shop under the composite floor, because the solid wood flooring easily deformed after heating, it is not recommended pavement.s
What is the difference between the hydraulic module and the original hydraulic module?
- The heat exchange between two kinds of media is one end of the hot and cold source. Hot and cold sources, can be industrial steam, hot water, waste off the urge to criticize the waste of too much water, waste heat and other hot media, can also make ice water, freon and other refrigerant. Can be provided by the heat supply plant, garbage burning plant, boiler, heat pump host. After the heat exchanger through the transfer, will be directly or indirectly cold and hot energy transfer use. Use the end, can be a variety of common terminal load equipment, to warm coil, heat sink, capillary air conditioning, water tanks and so on. As for the landlord mentioned the hydraulic module, the use of plate for specific aspects of which, or to find manufacturerss
To warm the heating furnace electricity and coal to buy more warm?
- To warm the heating furnace electricity and coal to buy more warm?...s
Do you know which kind of thickness plasterboard will be better
- Do you know which kind of thickness plasterboard will be better? Thickness: ( mm) 6.4 to 16 is the best choice for many buyers.There are three kinds of gypsum board, regular gypsum...
How to become a construction Project manager
- Construction project managers combine their expertise in engineering and management to deliver projects on time and within budget.They prepare work schedules;manage a team that inc...
Have you done your business with aluminium composite panel manufacturers
- Aluminium composite panel are usually used at building construction, houses, but also at some factories in this field. Have you ever heard of aluminium composite panel?Features of ...
Have you ever used aluminium composite material
- Aluminium composite material are usually used at automobile industry,Optical equipment industry, but also at sports products industry that offer danymic in this field. Have you eve...
what to use to clean granite
- Cleaning methods of granite： 1，When the paint and paint on granite，what to use to clean granite？ When the paint or paint dripped on the granite on, in addition to the adhes...