Plumbing: What is PP-R pipes ?

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L.Srikumar Pai
B.Sc( Engg.), MIE, MIWWA, MICI
Civil Engineer & CAD Specialist
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Presently PP-R pipes ( Poly Propylene Random Pipes ) & fittings are most reliable in plumbing and water supply plants, due to their chemical features and fusion welding, which ensures the plumbing to have a perfect seal tight system.

Approved by the Health Organization, Eco-Friendly Quality, Temperature Resistance Quality etc, puts PP-R pipes & fittings as the best selection.

Pipe & Fitting Networks for:

Cold & Hot installations, i.e. in Residences, Complexes, Apartments, Offices, Hospitals, Hotels, Schools etc.

Industrial, i.e. transportation of corrosive fluids (like acids) and liquid foods etc.

Agriculture and Horticulture.

Compressed air plants.

Swimming pools

Rain Water harvesting and utilization systems.

The Salient Features:

Extremely long life, 50 yr, service life

Leak proof & Frost proof.

Non-delayed & non-deforming

Temperature resistance (800 C )

Heat preservation and energy saving.

No calcification.

Unique and un-rivaled jointing technique with lifetime security.

Low lying time & cost.

Convenient & reliable installation.

Good chemical resistance

No reaction with salts & acids.

Taste & odour-neutral.

Eco-friendly-recyclable.

Comparision of various piping material with PP-R Pipes

CRITERIA	GI PIPE	COPPER PIPE	HDPE PIPE	PVC PIPE	PP-R PIPE
EFFECT OF HARD WATER	High scale formation	scale formation is prohibited due to smooth bore	Scale formation is prohibited due to smooth bore	Scale formation is prohibited due to smooth bore	Scale formation is prohibited due to smooth bore
EFFECT OF SOFT WATER	Gets corroded	Gets corroded due to acidic nature of water	No Effect	No Effect	No Effect
HEALTH CRITERION	Low due to lead content and corrosion	Good with ferrule but lead content in solder is bad for health	Very good	Very good	Very good
JOINTING TECHNIQUES	Threaded	Soldered/Ferrule	Fusion Weld	Solvent cement	Fusion weld
CORROSION RESISTANCE	Very Low	Low	No Effect	No Effect	No Effect
THERMAL STRENGTH PROPERTY AT 60 c TEMP.	Very good	Very good	Limited	Not Recommended	Very good
AVAILABILITY OF FITTINGS	Very good	Average	Low	Good	Very good
THERMAL EXPANSION	Low, good for concealed pipng	Low, good for concealed pipng	Very High, not to be used for concealed piping	Very special care is required for concealed piping	Low, good for concealed pipng
EFFECT OF SUB-ZERO TEMP.	Upto 0 C	Upto 0 C	Upto -40 C	Upto 0 C	Upto -40 C
UV RESISTANCE	Very good	Very good	Very good	Low	Very good
EASE IN INSTALLATION	Low	Average	Low	Good	Very good
FLOW PROPERITES FOR FRICTION	Low	Very good	Very good	Very good	Very