Sioux Chief 3-1/2 in. MPT PVC Plug is a clean, lead-free end-closure designed for PVC piping projects that require a 3-1/2-inch male pipe thread connection. Built from durable PVC, this plug delivers reliable sealing power without the weight or corrosion concerns of metal fittings, making it a practical choice for plumbing, irrigation, and maintenance work.
Key features
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Material: PVC — lightweight, corrosion-resistant, and able to withstand typical plumbing environments.
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End 1 Diameter: 3-1/2 in.
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End 1 Type: MPT (Male Pipe Thread) for direct, straightforward connections.
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Direct Connect: Designed for easy installation without adapters.
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Lead Content: Lead-Free — aligns with safe-use expectations for residential and commercial piping.
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Packaging: Bulk packaging with 1 piece per package.
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Brand: Sioux Chief — trusted name in plumbing fittings and closures.
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Certification status: IAPMO Certified: No; NSF Listed: No; ANSI Certified: No.
Ideal uses & scenarios
This plug is well-suited for sealing the end of PVC runs that use a 3-1/2-inch MPT connection. It’s an effective solution for temporary closures during maintenance, pressure testing, or when a line needs to be safely shut off for repairs. It’s applicable in residential, commercial, and light industrial plumbing projects where a reliable, easy-to-install end plug is required.
Practical installation tips
- Ensure the male threads are clean and free of debris before installation.
- Use a thread sealant or PTFE tape rated for PVC/male-threaded connections to promote a watertight seal.
- Hand-tighten the plug first, then snug with a wrench. Avoid overtightening to protect thread integrity.
Specifications at a glance
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Product Type: Plug
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End 1 Diameter: 3-1/2 in
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End 1 Type: MPT
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Material: PVC
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Average Lead Content: Lead-Free
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Number in Package: 1
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Packaging Type: Bulk
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Brand Name: Sioux Chief
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ANSI Certified: No
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IAPMO Certified: No
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NSF Listed: No
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Application: Direct Connect
