What is a riser in irrigation?

Asked By: Dilan Jilis | Last Updated: 30th January, 2020
Category: technology and computing computer peripherals
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Definition: riser (irrigation). A riser is a set of pipes that connect and/or support a piece of irrigation equipment on or to the irrigation system. Typically the equipment is mounted at or above ground level and the riser connects it to pipes or tubes located below ground.

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Furthermore, what is a riser in a sprinkler system?

Fire sprinkler risers are, in a sense, where the plumbing outside a building ends and a fire sprinkler system begins. Each riser taps into a permanent source of water, such as a pipe connected to the city water system, a water tank, or reservoir.

Additionally, what is a riser room? Riser room is a technical room (a control room) where the fire riser/sprinkler is set-up and controlled from. It is also said to be a room in a building where the fire pump and automatic sprinklers are located. Read Also: What is a fire riser.

Hereof, what is a riser for?

Definition of Riser in Construction The term riser is used in the construction industry for any type of pipe, culvert, shaft, etc. that rises up in a vertical direction. A riser can be a waterline, sanitary line, air shaft, ventilation piping or shaft, catch basin vertical section, manhole vertical section, etc.

Do sprinkler risers need Teflon tape?

Standard Teflon tape or plastic compatible Teflon sealant around the riser or swing joint threads is all that is required to prevent leaks around the inlet threads of Hunter sprinklers. The Teflon also provides a long-lasting lubricant should it become necessary to remove the sprinkler for servicing.

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What is the difference between a wet riser and a dry riser?

Dry and wet riser; what is the difference between them? A dry riser is made up of a system of valves and pipework that enables the Fire Service to pump water up to upper floors of a building. A wet riser is made up of a system of valves and pipework that are kept permanently filled with water.

What is a cut off riser?

Cut-Off Riser. Replaces damaged risers or to raise sprinkler heads to proper height. Made of durable polyethylene. Easily cuts to the desired length.

What are the different types of sprinkler heads?

Sprinkler Head Distribution Types
  • Pendant Sprinkler Head.
  • Concealed Pendant Sprinkler Head.
  • Upright Sprinkler Head.
  • Side Wall Sprinkler Head.

How does a riser work?

Similar to pipelines or flowlines, risers transport produced hydrocarbons, as well as production materials, such as injection fluids, control fluids and gas lift. Because the rigid risers are also fixed to the seafloor, vertical displacement occurs between the top of the riser and its connection point on the facility.

What is a riser diagram?

riser diagram. A diagram (two-dimensional, in a vertical plane) which shows the major items of electrical equipment in a building; displays, floor by floor, the feeders and major items of equipment.

What is a stage riser?

The answer to this question is that stage riser is essentially just another name for a low height portable stage. They're usually used interchangeably. Stage risers elevate your performance so that it's easier for the audience to see and hear.

What is riser cable?

A Riser cable (CMR) / backbone cable is a cable that is run between floors in non-plenum areas. The fire requirements on riser cable are not as strict as the requirements on Plenum cables (CMP).

What is a riser tube?

1. riser pipe - a vertical pipe in a building. riser main, riser pipeline, riser. pipage, pipe, piping - a long tube made of metal or plastic that is used to carry water or oil or gas etc. Based on WordNet 3.0, Farlex clipart collection.

What are electrical risers?

Substation Equipment: Riser. Riser. A riser is a set of devices that connects an overhead line to an underground line. A riser has a conduit from the ground up the pole where potheads are used to connect to the overhead lines.

What is a riser HVAC?

RISER - A vertical tube or pipe which carries refrigerant in any form from a lower to a higher level. SATURATED VAPOR - Vapor in contact with a liquid.

Why don't my sprinklers pop up?

-- When a sprinkler head is clogged with dirt or other debris, it will soon fail to rise completely out of the ground. -- A leak in the water line can cause low water pressure and keep water from flowing to the sprinkler head. If water doesn't reach the sprinkler head, then it won't pop-up out of the ground.

How high should sprinkler heads be before sod?

Sod is generally 3/4 to 1 inch thick, so if all of your sprinkler heads are sticking 1/2 inch above the ground, they should line up perfectly with the sod once the ground compacts a bit.

How high should a sprinkler head be?

The correct height for a sprinkler head is to have the top of sprinkler head just above the soil surface. No more than a quarter of an inch above the ground level. This lowers the tripping hazard, and a lawn mower can go past it without causing any damage.

How do you get a sprinkler head to pop up?

Step-by-Step Instructions:
  1. Check all the valves to make sure that none of them are partially closed.
  2. Next, turn on a single valve that has heads that will not pop up.
  3. Turn off the water and try pulling up the riser on the sprinkler with your hand.
  4. Has your water pressure dropped?

How do I find a sprinkler head that won't pop up?

Use a metal detector to find buried sprinkler heads. Many valves have metal parts you can locate by running the metal detector over the surface of the ground. Valves are located directly under sprinkler heads.

Is a fire riser room required?

The IFC requires that the riser room's ambient temperature be maintained at 40°F (4°C) or higher via a permanently installed heating device to ensure the system piping and components don't freeze. This same temperature threshold is required for fire-pump rooms in NFPA 20 and valve rooms in NFPA 13.

How do standpipe systems work?

Wet and Dry Standpipe Systems. Description: The standpipe supply pipe extends into the building to supply fire-fighting water to the interior of the structure via hose outlets, often located between each floor in stairwells in high rise buildings. Dry standpipes are not filled with water until needed in fire-fighting.