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Expert content about selecting and installing polyethylene pipes.

HDPE water supply pipe with SDR 17 markingLatest article
01

What Is SDR in Pipes and How to Choose

SDR determines wall thickness and working pressure. We break down how to select the right SDR for your application.

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PE100 HDPE gas pipe with HDPE 100 GAS marking02

PE80 vs PE100 — What Is the Difference

Two polyethylene grades for pressure pipes. Why PE100 outperforms and when PE80 suffices.

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Large-diameter HDPE pipe on the extrusion line at Pipe-Plast factory03

Co-Extruded Pipes — Why They Matter

A two-layer pipe with a visible white layer of virgin raw material. How it is built and what the benefits are.

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Stack of large-diameter HDPE pipes in the factory yard04

Large-Diameter Pipes in Kazakhstan (710–1200)

Large heavy-wall pipes d710–1200 — who manufactures them in the region and what they are used for.

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Black PE100 polyethylene pipe with yellow marking for an underground gas line05

Can Plastic (Polypropylene) Pipes Be Used for Gas?

Polypropylene is not used for gas. Underground gas lines use PE100 polyethylene to ST RK GOST R 50838-2011; indoors, steel or copper.

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Black polyethylene water pipe with a blue marking stripe06

How to Fix a Leak in a Plastic Pipe: PE, PP and PVC

Leaking plastic pipe: shut off the water, fit a temporary clamp, replace the section with a coupling. PE vs PP methods and when to call a plumber.

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Black polyethylene gas pipe with yellow marking — the underground gas service line up to the building07

Gas Pipe Installation Inside a House: Rules and Procedure

Indoor gas piping is steel or copper, installed to a design and only with the gas service's involvement. Rules, approval procedure, safety.

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Black polyethylene water pipe with a blue marking stripe08

How to Patch a Hole in a Plastic Pipe: What Actually Works

A puncture, crack or drill hole in a plastic pipe: what to use temporarily, why glue fails on PE, and how to replace the damaged section properly.

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Black polyethylene water pipe with a blue marking stripe09

How to Choose Pipes for Garden and Dacha Irrigation

A PE pipe in a coil works for irrigation: 20–32 mm for beds, 40–63 mm for the main line. Pressure, laying and draining the line for winter.

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Black polyethylene water pipe with a blue marking stripe10

Which Pipes Are Best for a Water Supply

Water supply pipes compared: PE for outdoor lines, polypropylene and multilayer for indoor runs, steel and copper. What to use for a house or plot.

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Black polyethylene water pipe with a blue marking stripe11

Joining HDPE Pipes: Fittings, Welding and Transition to Metal

How to join HDPE pipes: compression fittings, butt and electrofusion welding, flanges. What to choose by diameter and how to install a fitting.

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Black PE100 polyethylene pipe with yellow marking for an underground gas service line12

How to Choose Pipes for a Gas Line in an Apartment or Private House

The underground service line is PE100 polyethylene to ST RK GOST R 50838-2011; indoor piping is steel or copper. How to choose material, diameter and SDR.

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Pipe-Plast plant yard with large-diameter polyethylene pipes13

Sewer Pipe Depth in a Private House

Sewer depth depends on frost depth and slope: typical fall is 2 cm/m for d110 and 3 cm/m for d50. Insulation, leaving the house, septic tank.

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Warehouse of finished polyethylene pipes: coils and straight lengths14

What Diameters of Plastic Pipes Exist

The PE pipe diameter range to GOST 18599-2001: from 20 to 1200 mm. How outside diameter differs from nominal bore, and how SDR relates to wall.

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Finished polyethylene pipes stored at the Pipe-Plast factory yard: stacks of black pipes and production buildings15

Which Pipes to Choose for Heating: Materials Compared

Which pipes suit home heating: steel, copper, reinforced polypropylene, PE-X, multilayer. A comparison, and why HDPE pipe is not suitable for heating.

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Black polyethylene water pipe with a blue marking stripe16

Can You Lay Water Pipes Under a Screed?

Can water pipes go into a floor screed? Conditions, suitable materials, sleeving, pressure testing and risks, and how to avoid opening the floor.

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Large-diameter black polyethylene pipe with a blue stripe emerging from a factory extrusion line17

Can You Embed Pipes in a Wall? Which Pipes Are Suitable

Can pipes be embedded in a wall, and which ones: polypropylene, PE-X, copper, multilayer. The conditions for concealed runs and what must not be hidden.

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Large-diameter black polyethylene pipe at the end of an extrusion line in a factory hall, with stacks of granule bags on the right18

Polypropylene Pipe Service Life: How Long It Lasts in Practice

How long polypropylene pipes last: the stated 50 years on cold water and how temperature, pressure and installation cut that. Compared with PE.

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A handful of white polymer granules held over a heap of raw material: polyethylene granules like these are extruded into pipe at the factory19

Polyethylene vs Polypropylene Pipes: What Is the Difference?

How polyethylene (HDPE) pipes differ from polypropylene (PP) ones: temperature, flexibility, jointing and use. What suits a house and plot.

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Black polyethylene water pipe with a blue marking stripe20

How to Transition from a Metal Pipe to a Plastic Pipe

Joining steel pipe to polypropylene or polyethylene: combination fitting, compression coupling, union nut. Step-by-step order and common mistakes.

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Pipe-Plast plant yard with large-diameter polyethylene pipes21

How to Connect a Cast Iron Pipe to a Plastic Pipe

Connecting cast iron sewer pipe to plastic: transition gasket, socket, lubricant, slope. Step-by-step order and how to check the joint for leaks.

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Factory yard with large-diameter black polyethylene pipes22

How to Bend a Plastic Pipe and Can You Heat HDPE Pipe

How to bend a large-diameter HDPE pipe: the permissible bending radius without heating, why a flame or heat gun is a bad idea, and when to fit an elbow.

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Black polyethylene gas pipe with a yellow marking stripe23

How to Join Gas Pipes: Methods and Who Is Allowed To

How gas pipes are joined: electrofusion and butt fusion of polyethylene, welding of steel, the PE-to-steel transition. Who is allowed to do the work.

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Warehouse of finished black polyethylene pipes: coils and straight lengths24

Can Polyethylene Pipes Be Painted, and With What

Can polyethylene pipes be painted: why paint adheres poorly, how to prepare the surface, what to use, and when a protective sleeve is the better choice.

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Pipe-Plast plant yard with large-diameter polyethylene pipes25

How to Install Sewer Pipes Correctly Yourself

Step-by-step sewer installation: slope, socket joints, cleanouts and a water test. The most common laying mistakes and how to avoid them.

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A stack of large-diameter polyethylene pipes with blue marking26

How to Choose the Diameter of Sewer Pipes

Sewer pipe diameters by section: 50 mm for a sink and bath, 110 mm for a toilet and stack, 160 mm for a long outdoor run. Slope and key rules.

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Finished pipe yard at the plant: stacks of pipes, storage buildings and a crane27

Insulating a Sewer Pipe Underground: Methods and Layout

How to insulate a buried sewer pipe: foam shells, XPS boards, heating cable, backfill. When insulation is needed and how to prevent ice blockages.

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Large-diameter black polyethylene pipe with a blue stripe on a production line28

Fixing Sewer Pipes: Clamps, Spacing and Supports

How to fix sewer pipes: types of clamps, a spacing of about 10 pipe diameters, fixed and sliding supports, and fixing stacks and ceiling runs.

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Pipe-Plast plant yard with large-diameter polyethylene pipes29

Which Pipes Are Best for Sewers: PVC, PP, PE or Cast Iron

Best pipes for a sewer: PVC, polypropylene, polyethylene or cast iron. What to choose indoors and outdoors and how to read the marking and SN.

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Black polyethylene water pipe with a blue marking stripe30

Which Water Pipe Is Frost-Proof: PE, PP or Metal-Plastic

What happens to a pipe when the water in it freezes, which material copes best and how to lay a water line so that ice does not form.

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Coils of polyethylene pipe in the finished-goods warehouse31

Can You Leave Water in an HDPE Pipe Over Winter and How to Drain It

When to drain an HDPE pipe for winter and when not. Step-by-step winterising of a dacha water line: pump, taps, low spots, spring start-up.

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Factory yard with large-diameter polyethylene pipes in the open air32

Can You Use HDPE Pipe Outdoors: Sun, Frost and Laying

HDPE pipe outdoors: why black polyethylene does not fear the sun, what to consider for above-ground laying and when it is better to bury the pipe.

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Finished-goods warehouse: polyethylene pipes in stacks and coils33

What Polyethylene Pipe Fears: Heat, Fire, Stones and Ice

What shortens the life of a polyethylene pipe: overheating, fire, sharp stones, deep scratches, repeated freezing, UV and bending below the minimum radius.

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Black polyethylene water pipe with a blue marking stripe34

How to Insulate a Dacha Water Line: Burying, Shells, Cable

Ways to protect a polyethylene dacha water line from freezing: burying, PU foam shells, heating cable, ducts and protection of entries. What does not work.

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Black polyethylene water pipe with a blue marking stripe35

How to Choose Pipe Diameter for a Private House Water Supply

Water pipe diameter depends on demand, route length and pressure. PE100 guide: house inlet 25–32 mm, yard main 32–40 mm.

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Warehouse of finished polyethylene pipes: coils and straight lengths36

How to Build Bathhouse Plumbing: Pipes, Inlet and Winter Drain

Bathhouse plumbing: where the water comes from, which pipe to lay, how to bring it in below frost depth and drain it for winter. PE is cold water only.

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A stack of black polyethylene pipes with blue marking stripes on an open yard37

Underground Water Supply: Choosing Pipes and How to Lay Them

PE100 is the usual choice for an underground water line: it does not rust and lasts up to 50 years. How to choose SDR, bury, backfill and test.

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Large-diameter polyethylene pipe with blue marking leaving an extrusion line at the plant38

Which Pipe to Use for a Borehole Pump and for Casing

A submersible pump takes PE pipe PN10–16, usually 32 mm, as one length. Casing pipe is more often uPVC; PE casing comes with caveats.

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Black polyethylene water pipe with a blue marking stripe39

What Pressure HDPE Pipes Are Rated For: PN, SDR and Temperature

What pressure PE100 HDPE pipes withstand: SDR17 is 10 atm, SDR13.6 is 12.5, SDR11 is 16. How rating depends on wall thickness and water temperature.

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Polyethylene granules, the raw material for pipe production40

How a PE Pipe Differs from an HDPE Pipe, and Where LDPE Fits

PE is polyethylene in general; HDPE (ПНД) is made at low pressure, LDPE (ПВД) at high pressure. The terms describe production, not pipe pressure.

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Extrusion line for producing polyethylene pipes41

GOST 18599-2001: Requirements for Polyethylene Pressure Pipes

What GOST 18599-2001 covers: PE material and grades, dimensions and SDR, marking, testing and acceptance of polyethylene pressure pipes for water.

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Warehouse of finished polyethylene pipes: coils and straight lengths42

Plastic Pipes: Types and Uses for Water Supply

Types of plastic pipe for water supply and beyond: PE, polypropylene, PVC, PE-X and metal-plastic. How they differ and where to use each material.

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Pipe-Plast plant yard with large-diameter polyethylene pipes43

How to Clear Plastic Pipes: Plunger, Snake and Flushing

How to clear a blockage in plastic drainage pipes: plunger, brush, snake, safe cleaners and flushing. What not to do so that you do not damage the pipe.

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