Sch80 BLIND FLANGE
Product Overview
System shutdowns occurring during the peak of the irrigation season can lead to catastrophic turf damage and immediate crop loss. When a line needs to be capped or a valve manifold requires sealing, waiting on back-ordered components is not an option for your business. Supply shortages often strike when project deadlines are tightest; causing failed inspections and frustrated clients. By securing high-quality Lesso Schedule 80 blind flanges now, you ensure that your crews remain productive and your systems stay operational when summer heat puts maximum demand on your infrastructure. Planning ahead with robust sealing components transforms a potential emergency into a routine maintenance task.
The Lesso Schedule 80 PVC blind flange offers a significant technical advantage over standard Schedule 40 or lower-grade alternatives. Designed to withstand higher pressure ratings and provide superior chemical resistance, these heavy-duty fittings reduce long-term maintenance costs and prevent the stress fractures common in thinner-walled components. The thicker cross-section provides a more stable bolting surface, which eliminates bowing and ensures a leak-proof seal even under fluctuating thermal conditions. Maintaining a stock of these professional-grade flanges gives your firm a competitive edge by allowing for immediate system modifications without the cost of specialized labor or emergency shipping fees.
Product Specifications
| Specification | Detail |
|---|---|
| Material | High-Density PVC (Polyvinyl Chloride) |
| Schedule Rating | Schedule 80 |
| Wall Thickness | Heavy-duty industrial grade |
| Connection Type | Flanged (Blind) |
| Pressure Rating | Varies by size; typically handles 150 PSI at 73°F |
| Color/Finish | Dark Gray / Industrial Matte |
| Compliance | ASTM D1784 and ASTM D2467 standards |
| Manufacturer | Lesso |
Available Models & Sizes
Lesso Schedule 80 blind flanges are typically available in standard pipe sizes ranging from 2 inch up to 12 inch diameters to fit common industrial and commercial bolt patterns. Please contact our technical sales team for current inventory levels, specific pressure de-rating charts based on temperature, or for bulk pricing on complete flange kits including gaskets and hardware.
Key Features
- Thick-walled Schedule 80 construction provides maximum structural integrity for high-pressure dead-end lines.
- Corrosion-resistant PVC material eliminates the rust and scaling issues associated with traditional metal flanges.
- Precision-drilled bolt holes ensure perfect alignment with standard ANSI or equivalent pattern fittings.
- Smooth, flat sealing surface accommodates various gasket materials to guarantee a bubble-tight closure.
- Excellent chemical resistance makes these suitable for fertigation systems and chemical injection sites.
- Lower thermal conductivity compared to metal helps maintain internal fluid stability in exposed outdoor environments.
Common Applications
- Commercial landscape irrigation
- Agricultural and crop irrigation
- Sports turf and golf course maintenance
- Municipal parks and public spaces
- Chemical/fertigation delivery
- Greenhouse and nursery operations
Installation Notes
When installing Lesso blind flanges, always use a high-quality full-face gasket to ensure a proper seal. Tighten the bolts in a star pattern sequence to distribute pressure evenly across the flange face and prevent cracking due to point-loading. Ensure that all hardware is compatible with the environment, such as stainless steel for corrosive fertigation areas. It is critical to adhere to local plumbing codes regarding flange support and to never exceed the pressure rating as de-rated for elevated temperatures or surges.