Meet the Apollo Blue Twister 1-1/2 in. Insert Plug — a purpose-built, dual-end acetal plug crafted for dependable underground sealing in pressure systems. With 1-1/2 inch inserts on both ends, this lead-free, ACETAL plug delivers a compact, secure solution for shutting off sections of piping in irrigation mains, water lines, and other pressurized installations. Built for durability where it matters most, it blends rugged performance with ease of use, helping you complete maintenance or testing tasks quickly and confidently.
Why installers choose the Apollo Blue Twister Plug
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Dual 1-1/2" insert ends: Symmetrical ends simplify installation and create a reliable seal on both sides of a line, reducing the need for extra adapters or fittings.
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Acetal construction: The precision-molded acetal material provides excellent dimensional stability, low friction, and strong chemical resistance, helping the plug resist wear and maintain a tight seal over time.
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Lead-free and NSF-listed: Safe for potable water applications, meeting today’s health and safety standards while providing peace of mind for system integrity.
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Underground rated: Built to withstand buried or below-ground installations, delivering dependable performance in harsh environments.
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Maximum pressure up to 200 psi: Suitable for typical residential and light commercial pressure applications, giving you a robust cap when line pressure is a factor.
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ANSI certified: Meets recognized industry benchmarks, reinforcing reliability and quality in critical installations.
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One-piece bulk packaging: Ready for quick stocking and immediate deployment in field projects.
Specifications at a glance
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Brand: Apollo
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Sub brand: Blue Twister
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Product type: Plug
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End 1 diameter: 1-1/2" (Insert)
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End 2 diameter: 1-1/2" (Insert)
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End 1 type: Insert
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End 2 type: Insert
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Material: Acetal
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Average lead content: Lead-free
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Maximum pressure: 200 psi
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NSF Listed: Yes
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Underground rated: Yes
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IAPMO Certified: No
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ANSI Certified: Yes
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Number in package: 1
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Packaging type: Bulk
Ideal use cases
Designed for pressure applications where a reliable, easy-to-install end cap is needed, this plug is particularly well-suited for:
- Shutting off sections of irrigation mains during maintenance or repair
- Temporary isolation of portions of potable water lines for testing or replacement projects
- Underground or buried line work where a compact, durable plug is required
Practical tips for best results
- Ensure matching 1-1/2" insert connections on both ends for a secure seal.
- Inspect the plug for any signs of damage before installation and replace if compromised.
- Combine with compatible fittings and proper burial depth considerations to maximize longevity in underground setups.
- Store in bulk packaging in a dry environment to maintain material integrity.
