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Spears 853-080 8″ PVC Blind Flange, Class 150

$146.58 on Amazon.com (as of October 18, 2026, 3:39 PM EST) View details ↗

The **Spears Manufacturing 853-080** is a heavy-duty **schedule 80 PVC blind flange** designed to securely close or cover an 8″ pipe end. Built from **gray PVC (polyvinyl chloride)**, this fitting delivers exceptional **chemical resistance, corrosion protection, and high strength** while weighing significantly less than metal alternatives. It’s ideal for industrial applications, including chemical processing, wastewater systems, and potable water service.

This **Class 150 flange** meets **ANSI B16.5 bolt pattern standards** for compatibility with other flanged connections, ensuring a reliable, leak-proof seal when bolted to a mating flange. Certified to **ASTM D1784 and D2467** and **NSF International-approved for potable water**, it delivers both performance and regulatory compliance. With a **maximum operating temperature of 140°F**, it’s engineered for durability in demanding environments.

Pipe Size8″ (nominal)
MaterialGray PVC (polyvinyl chloride)
Class RatingClass 150 (ANSI B16.5 bolt pattern)
ScheduleSchedule 80 (thick-wall)
Max Operating Temperature140°F
CertificationsASTM D1784, D2467, NSF International (potable water)
Can this blind flange be used with schedule 40 PVC pipes?
No, this fitting is designed for **schedule 80 (thick-wall) PVC pipes** only and may not provide a proper seal with schedule 40.
Is this flange suitable for outdoor or underground installations?
Yes, provided the installation complies with local codes and the operating temperature does not exceed 140°F.
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