How to Install Drainage Pipes for Covert Works that Cannot Be Ignored
Drainage piping refers to the system of collecting and discharging sewage, waste water and rainwater drainage pipes and their associated facilities. Including trunks, branch pipes, and pipelines leading to treatment plants, whether built on the street or anywhere else, as long as they are drainage pipes, they should be used as drainage pipe statistics. How to install the drainage pipe ? What issues should be noticed? Let's take a look at it right away.
How to install the discharge pipe
(1) The depth of the discharge pipe depends on the elevation of the outdoor drainage pipe and meets the design requirements. The discharge pipe and the outdoor drainage pipe are generally connected with the top of the pipe, and the water flow angle is not less than 90o. If the discharge pipe is used to connect the water and the drop difference is greater than 0.3m, its water flow angle is not limited. When burying it outdoors, it must be ensured that the pipeline has a sufficient depth of mind to meet the antifreeze and anti-pressure requirements.
(2) To install brackets and cranes, first erect a rack and place the brackets according to the designed slope or plant a hanging elevator. The size of the quasi-suspension rods should be prefabricated and the pipes should be lifted and fixed firmly. The cross pipe support spacing should not be greater than 2m.
(3) For those who are in the suspended ceiling for carrying or lifting the discharge pipe, the water closing test shall be done before the suspended ceiling, and the hidden inspection procedures shall be handled according to the concealed project.
[Pipeline installation connection points]
Domestic cast iron drain pipe commonly used connection method has a single flange connection, clamp type connection, double flange connection three kinds.
Clamp type connection (flexible W type), also known as flat mouth connection. In the installation and construction, stainless steel clamps are used to connect. When connecting, the straight pipe is cut according to the required length and cut with a grinding wheel cutter. The section should be perpendicular to the centerline of the pipe with a deviation of no more than 2mm. The fracture is neat, smooth, free of burrs and cracks. When rubbed into the apron, it is lubricated with soapy water. Use a special force wrench to tighten the bolts.
[How to test after discharge pipe is installed]
1) Close the water main valve. (ie the water switch in front of the water meter)
2) Open the faucet inside the room for 20 minutes to ensure that no water is dripped and then close all taps.
3) Turn off the water inlet switch of the water storage device such as the toilet tank and washing machine.
4) Open the main valve of the water pipe.
5) Check whether the water meter is moving 20 minutes after opening the main valve, including slow walking. If there is movement, it is leaking. If you don't move, it's okay.
Xiao Bian concludes: The installation of the drainage pipe and how to detect it will be introduced here by friends, Xiao Bian also reminds you here, in daily use, if you find the following conditions, as soon as possible to check the relevant pipeline: 1) wall paint surface mold Out of foam. 2) The baseboard or wooden floor is black and the surface appears fine foam. For more relevant knowledge, please continue to pay attention to this website information platform.
Pvc drain fittings pvc drain leaking bathtub drain pipe drain pipe concealment project
BRANDO is a Solenoid Valve Armature Plunger manufacturer and exporter in Ningbo, China, which has more than 10 years experience.
The armature assembly or anchor system is the very important component of Solenoid Valve. An internal stainless steel plunger moves up and down to seal on the top and bottom valve seats. Brando provides armatures in multiple sizes depending on the application's flow requirement. Four common pneumatic functions are available which include:
1. 2/2 normally closed(NC),
2. 3/2 normally closed(NC),
3. 2/2 normally open(NO),
4. 3/2 normally open(NO).
The seals in the plunger are NBR (standard), but FKM, HNBR, PTFE, EPDM are available for different media and temperatures. Most of our armatures are designed to accept AC and DC voltages. Some armatures are DC only for low watt applications.
Brando offers flexibility as the connection to the seat cavity can be with a thread/o-ring seal style or o-ring flange style that requires a mounting plate.
Solenoid Valve Plunger Tube And Core, Solenoid Valve Core Tube And Plunger, Solenoid Valve Coil Plunger
NINGBO BRANDO HARDWARE CO.,LTD , https://www.brandopneumatic.com