BLACK MAX RIBBED DRAINAGE PIPE 525MM X 6M SN8 IPLEX GR8525
The DN525 x 6.0m SN8 BlackMAX® Drainage Pipe is an Australian-made polypropylene structured-wall pipe designed for gravity drainage and sewer applications. It features a smooth internal bore for excellent hydraulic efficiency and a ribbed external wall for high structural strength. The pipe offers strong resistance to abrasion, corrosion, and tree root intrusion, while maintaining low embodied energy for environmental performance.
Features & Benefits
• Australian made
• Installation economics with lightweight construction
• High operational efficiency
• Abrasion and corrosion resistant
• Tree root intrusion resistance
• Smooth bore for improved hydraulic performance
• Low embodied energy for environmental benefits
Additional Information
• Requires DN525 Rubber Ring
• Iplex Rubber Ring Code: GERSEW525
Product Properties
• Size: 525 mm
• Rating: SN8
• Length: 6.0 m
• Primary Material: Polypropylene
• Unit of Measure: Lengths
• Joint Type: RRJ
• Rubber Ring Material: SBR
• Colour: Black with yellow internal liner
Installation & Performance
• Minimum cover depth (no vehicular loading): 300 mm
• Minimum cover depth (under driveways): 450 mm
• Minimum cover depth (sealed roadways): 600 mm
• Minimum cover depth (unsealed roadways): 750 mm
• Average number of joints per litre of Iplex lubricant: 16
• Allowable operating temperature: Up to 50°C (re-rating applied for temperatures above 30°C)
• Minimum radius of curvature: 86 mm
• Socket deflection: 2°
• Maximum diametric deflection (50 years): 7.5%
• Unprotected UV exposure: 2 years
• Maximum support spacing (graded pipe): 2.75 m
• Maximum support spacing (vertical pipe): 5.5 m
Markings
• Iplex Pipelines
• DN
• SN8
• PP
• Date of manufacture
• BlackMAX®
Mechanical Properties
• Density (specific gravity): 0.90 kg/m³
• Yield strain: 8%
• Yield stress: 31 MPa
• Tensile modulus: 31 MPa
• Hardness: Shore D 60
• Poisson’s ratio: 0.45
• Ring bending modulus (3 minutes): 1300 MPa
• Ring bending modulus (50 years): 342 MPa
Thermal Properties
• Coefficient of thermal expansion: 15 × 10?5 /°C
• Thermal conductivity: 0.22 W/m·K
• Specific heat: 1700 J/kg/°C
• Vicat softening temperature: 157°C
• Flammability: Flammable
Dimensions & Weights
• Nominal size: 525 mm
• Inner diameter: 522 mm
• Wall thickness: 39 mm
• Socket depth: 210 mm
• Witness mark detail: 210 mm
• Profile pitch: 57 mm
• Weight per pipe: 92 kg
• Crate quantity: 3
• Crate weight: 303 kg
Standards & Certifications
• Product standard: AS/NZS 5065 – Polyethylene and polypropylene pipes and fittings for drainage and sewerage applications
• WaterMark Certificate No.: WMKA20603
• StandardsMark Certificate No.: SMKP20603
• Quality Management System: ISO 9001 Certificate No. QEC0037
• Creep ratio: 3
Environmental & Warranty
• Environmental accreditation: Available
• Warranty: 1 year
Shipping & Delivery
This item is available for local delivery or pickup. Delivery along the east coast is cost-effective — please contact us for a delivery quote. For orders over $1,000, contact us about delivery direct from the manufacturer.
Common Questions
What is BlackMAX Ribbed Drainage Pipe used for?
This pipe is designed for gravity drainage and sewer applications. It features a smooth internal bore for excellent hydraulic efficiency and a ribbed external wall for high structural strength.
Is this pipe Australian made?
Yes, BlackMAX Ribbed Drainage Pipe is Australian made.
What are the key features of this drainage pipe?
The pipe offers strong resistance to abrasion, corrosion, and tree root intrusion. It has a smooth bore for improved hydraulic performance, lightweight construction for easy installation, and low embodied energy for environmental benefits.
What do I need to know about installation and cover depth?
Minimum cover depth varies depending on use: 300 mm with no vehicular loading, 450 mm under driveways, 600 mm under sealed roadways, and 750 mm under unsealed roadways. For joint assembly, you'll need a DN525 Rubber Ring (Iplex code GERSEW525). Contact TGRM on (07) 5482 1692 for detailed installation advice.
What's included in each length and how heavy is it?
Each length is 6.0 metres and weighs 92 kg. Pipes are sold in crates of 3, with a total crate weight of 303 kg. The rubber ring is sold separately.
Do you ship this product Australia-wide?
Yes, but freight on this product is quoted individually rather than calculated at checkout. Because of its size, weight or bulk we need to arrange delivery and confirm the cost with you before dispatch. It is also available for local delivery or Click and Collect from our Gympie store. Call us on (07) 5482 1692 or email tgrmorders@tomgrady.com.au and we will quote freight to your address.
Can I Click & Collect from Gympie?
Yes — Click & Collect is available from our store at 55 Tozer St, Gympie. Open Mon–Fri 8am–5pm and Sat 8am–12pm. Click & Collect is FREE on orders of $175 or more, or a flat $10 on orders under $175. Select Click & Collect at checkout and we will have your order ready.