Our PPH Natural Pipe (inch) range is designed for demanding industrial environments where chemical resistance, material purity and reliable pressure performance are essential. Manufactured from polypropylene block copolymer (PP-B), these pipes offer an excellent balance of strength, durability and flow efficiency, making them ideal for conveying hot, corrosive and aggressive process fluids.
Supplied in natural (unpigmented) polypropylene, this pipe system is particularly well suited to applications where contamination must be minimised, such as chemical processing, pharmaceutical production and laboratory installations. All pipes in the range are manufactured in accordance with BS 4991:1974 Series 1, ensuring consistent dimensions and dependable performance across installations.
Why Choose PPH Natural Polypropylene Pipe?
Polypropylene is a high-performance thermoplastic widely used in industrial pipework due to its outstanding chemical resistance, impact strength and thermal stability. The PP-B formulation used in this range provides enhanced toughness, allowing the pipework to perform reliably under fluctuating temperatures and pressures.
A smooth internal bore helps reduce friction losses, supporting high flow rates and improved system efficiency, even over longer pipe runs. Unlike metal pipework, polypropylene will not corrode, scale or degrade when exposed to aggressive chemicals, resulting in a long service life with minimal maintenance.
Note: PPH Natural pipe is not recommended for outdoor use unless adequately protected from UV exposure.
Pressure Classes Available
To suit different system requirements, our PPH Natural Pipe range is available in three pressure classes:
Class B - 6 Bar
Suitable for moderate-pressure industrial systems, Class B pipe provides a cost-effective solution for chemical transfer and process applications where purity and chemical compatibility are critical
Class C - 9 Bar
A step up in pressure performance, Class C pipe is ideal for more demanding installations, offering increased pressure capacity while maintaining excellent flow efficiency and chemical resistance
Class D - 12 Bar (Heavy Gauge)
Designed for higher-pressure and more intensive duty cycles, Class D features a heavy-gauge wall thickness for added strength and safety margins in critical process lines
Key Features & Technical Benefits
Material: Polypropylene block copolymer (PP-B)
Colour: Natural / unpigmented for high-purity applications
Pressure ratings: 6 bar, 9 bar and 12 bar options available
Operating temperature range: -20°C to 90°C
Standards compliance: BS 4991:1974 Series 1
Smooth internal bore: Low pressure loss and high volume flow
Excellent chemical resistance: Suitable for acids, alkalis and aggressive media
Lightweight yet strong: Easier handling compared to metal pipework
Corrosion-free: Will not rust, rot or scale
Typical Applications
PPH Natural polypropylene pipe is commonly used across a wide range of industrial sectors, including:
Chemical processing and transfer systems
Acid and alkali conveyance
Industrial waste and effluent treatment
Pharmaceutical and biotechnology facilities
Hospital and laboratory services
Water treatment plants
Brewing, distilling and food-related processes
Electronics and high-purity manufacturing environments
Important Ordering Information
PPH Natural pipe is a bespoke industrial product.
Non-returnable - no refunds or exceptions
Please ensure you have selected the correct pressure class, size and application before ordering. If you are unsure, our technical team is always happy to help - just give us a call for expert advice on chemical compatibility and system design.
If you require any further information, our excellent customer service team is here to help so please call us on 01794 835835.