Medium density polyethylene (MDPE) pipe is a versatile choice for gas lines, drinking water, and general plumbing in both residential and commercial settings. This guide highlights top MDPE options and related welding rods to help installers compare sizes, pressures, and compatibility. Each product is evaluated for durability, flexibility, and ease of use. Use the buying guide to prioritize material strength, compatibility with fittings, and supplier reliability when planning a project.
| Product | Brand | Size / Style | Notes |
|---|---|---|---|
| 3/4″ IPS Yellow MDPE Gas Pipe | Oil Creek | 3/4″ IPS, SDR-11, 50 ft | Gas pipe, yellow color |
| Cresline 3/4″ MDPE Pipe | Cresline | 3/4″ x 400 ft | HD160 (SIDR-9); not potable water mention explicitly |
| Cresline 1″ MDPE Pipe | Cresline Plastic | 1″ x 100 ft | Not specified for potable water |
| Cresline 1-1/4″ MDPE Pipe | CRESLINE PLASTIC PIP | 1-1/4″ x 100 ft | Drinking water, NSF noted |
| Drip Irrigation MDPE Pipe | DripWorks | 3/4″ Mainline, 100 ft | LDPE; suitable for irrigation |
3/4″ IPS Yellow MDPE Gas Pipe – 50 Ft
Product: 3/4″ IPS Yellow Medium Density Polyethylene (MDPE) Gas Pipe, SDR-11, 50 ft. Brand: Oil Creek. Features include size 3/4″ IPS, MDPE material, and yellow color for gas line identification. This pipe is designed for flexible gas piping with SDR-11 wall thickness and is suitable for outdoor or indoor use where MDPE gas piping is required. Consider compatibility with fittings and local gas codes when planning installation.
Cresline 3/4″ MDPE Pipe x 400 ft
Product: Cresline Polyethylene Pipe 3/4″ x 400 ft, 160 PSI (SIDR-9). This MDPE pipe is commonly used for water distribution and irrigation, with a high psi rating indicating robust pressure tolerance. Review whether it is intended for potable water and confirm local regulations before use.
Cresline 1″ MDPE Pipe x 100 ft
Product: Cresline Polyethylene Pipe 1″ x 100 ft, 80 PSI. Noted as not for potable water in some listings. When selecting MDPE for drinking water projects, verify suitability for potable use and ensure compliance with local plumbing codes and NSF/ANSI approvals.
Cresline 1-1/4″ MDPE Pipe x 100 ft
Product: Cresline Polyethylene Pipe 1-1/4″ x 100 ft, 160 PSI. Notable features include suitability for drinking water, flexible hose characteristics, and NSF/ANSI considerations. Assess compatibility with existing fittings and ensure compliance with local potable water requirements before use.
Cresline 100 ft MDPE Pipe 125 PSI
Product: Cresline 100 ft. Polyethylene Pipe rated at 125 PSI. This option is presented as a standard MDPE pipe roll, suitable for high-pressure applications within its rating. Confirm intended use (potable vs non-potable) and ensure compatibility with local installation standards.
MDPE Welding Rods and Plastic Welding Kit
Product: 50 Feet White HDPE Welding Rod, 1/8″ Diameter, for PE welding. Includes high-density polyethylene rods suitable for car bumpers, water tanks, and pipe systems. The set lists non-toxic, corrosion-resistant properties and recommends pairing with a plastic welder kit for field repairs. Applicable to MDPE pipe work that requires heat fusion connections, with attention to thermoplastic compatibility and safety standards.
Black HDPE Welding Rods 3/16″ x 12″
Product: Black HDPE welding rods, 3/16″ diameter, 12″ length; 40 ft total. Materials are designed for high-density polyethylene welding across various HDPE applications, including pipes and tanks. Review welding compatibility, temperature settings, and safety guidelines when selecting rods for MDPE joins.
Buying Guide
- Material compatibility: Confirm whether the MDPE is intended for potable water, gas, or irrigation use, and verify NSF/ANSI approvals where required.
- Pressure rating: Compare PSI ratings (e.g., 80 PSI, 125 PSI, 160 PSI) to ensure the pipe meets the system’s pressure requirements.
- Size and fittings: Align pipe size with existing fittings and compatible connectors; SDR ratings affect flexibility and strength.
- Color coding: Yellow typically indicates gas lines; white or clear MDPE is common for water, but always verify local codes.
- Installation method: Some MDPE pipes use fusion welding or compression fittings; ensure the workforce has the proper tools and training.
- Length and durability: Longer runs reduce fittings; consider outdoor exposure, UV resistance, and temperature range for outdoor installations.
- Welding rods and tools: If field repairs are needed, select compatible HDPE welding rods and proper welding equipment; ensure rod diameter matches pipe specifications.
- Regulatory compliance: Check local plumbing, gas, and irrigation codes; obtain necessary permits and inspections when required.