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SIZE | WEIGHT | PCS/CTN |
25x20x25 32x20x32 32x25x32 40x20x40 40x25x40 40x32x40 50x20x50 50x25x50 50x32x50 50x40x50 63x32x63 63x40x63 63x50x63 75x50x75 75x63x75 90x63x90 90x75x90 110x63x110 110x75x110 110x90x110 | 161 218 237 400 419 443 652 677 701 769 1108 1169 1247 1639 1746 2419 2488 3908 4094 4332 | 60 40 40 20 20 12 12 12 12 7 7 7 6 6 4 4 4 4 4 4 |
The Lightweight PP Reducing Tee for Irrigation is a precision-engineered junction fitting designed to optimize water distribution in agricultural and landscape irrigation systems. Manufactured from PP-R (polypropylene random copolymer) compliant with ASTM F2389-24a standards—the global benchmark for pressure-rated polypropylene piping—this reducing tee creates efficient branch connections between different diameter pipes, ensuring uniform water flow across fields, greenhouses, and commercial landscapes. Its lightweight construction (40% lighter than HDPE alternatives) reduces installation labor costs, while the chemical-resistant formulation withstands agricultural fertilizers, pesticides, and soil contaminants for a service life exceeding 50 years in outdoor environments . Unlike rigid PVC tees that crack under thermal stress, its moderate flexibility absorbs temperature fluctuations from -10°C to 60°C, maintaining integrity in extreme climate conditions.
Featuring graduated diameter transitions (available in 63×50mm, 90×63mm, and 110×90mm combinations), the tee minimizes pressure loss by up to 35% compared to abrupt-step designs. The smooth inner wall (Ra <0.01mm) prevents sediment buildup and algae growth—critical for maintaining flow rates in systems using untreated water sources. Computational fluid dynamics (CFD) verified the 45° branch angle as optimal for irrigation distribution, ensuring balanced water pressure across lateral lines.
Formulated with 2% UV stabilizers and heat-resistant additives, the PP-R material resists photo-oxidation in continuous sunlight exposure, preventing brittleness in above-ground installations. It exhibits exceptional chemical compatibility with common irrigation fluids, including pH levels from 4.5 to 9.0, making it suitable for fertilized water applications and regions with mineral-rich groundwater . The material’s resistance to organic solvents ensures compatibility with irrigation system cleaners and disinfectants.
The tee’s lightweight properties (1.2kg for 90×63mm size) enable manual handling without heavy equipment, reducing installation time by 25% compared to metal fittings. It supports both socket fusion and electrofusion techniques, creating leak-proof joints that integrate seamlessly with existing PP and PE irrigation pipelines. Pre-molded fusion zones with clearly marked heating indicators simplify proper installation, even for less experienced crews.
This versatile reducing tee excels in diverse irrigation scenarios:
• Agricultural Fields: Distributes water from mainlines to lateral drip or sprinkler systems in crop irrigation networks, ensuring uniform coverage across large areas.
• Commercial Landscapes: Manages water flow in golf course irrigation, park sprinkler systems, and sports field hydration networks.
• Greenhouse Systems: Connects climate-controlled irrigation lines to individual growing zones, maintaining precise water delivery for sensitive plants.
• Turf Management: Branches main supply lines to specific turf areas in residential communities and institutional campuses, optimizing water usage efficiency .
PP-R offers superior chemical resistance to agricultural fertilizers and pesticides compared to HDPE, while its lighter weight reduces transportation and installation costs—critical advantages in large-scale irrigation projects .
Standard size reductions include 63×50mm, 90×63mm, 110×90mm, and 160×110mm, covering most irrigation system requirements. Custom sizes can be manufactured for specialized applications.
Yes. The UV stabilizers protect against sunlight degradation in above-ground use, while compliance with ASTM F2389 "soil service" classification certifies it for buried installations with proper backfilling .
The tee is rated for 10 bar (145 psi) working pressure at 20°C, suitable for medium-pressure irrigation systems. Pressure capacity remains stable at 6 bar (87 psi) for hot water applications up to 60°C.
