4" G Thread BSPP Female to NPT Male Adapter – Lead-Free Brass Plumbing Fitting
The 4" G Thread BSPP Female to NPT Male Adapter is designed to connect 4-inch BSPP (British Standard Pipe Parallel) female threads to 4-inch NPT (National Pipe Taper) male threads. Made from lead-free brass, it’s a reliable solution for plumbing and hydraulic systems where durability and compatibility matter.
This adapter combines a parallel BSPP thread for consistent sealing and a tapered NPT thread for a tight, leak-free connection.
Key Features
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BSPP to NPT Compatibility
Converts 4" BSPP female threads to 4" NPT male for seamless integration between metric and imperial plumbing systems.
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Lead-Free Brass Construction
Safe for potable water applications and highly resistant to corrosion and wear.
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Optional Washer Included
While not required for BSPP threads, an optional washer is included for additional sealing if needed.
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Easy Installation
Screw-in design for quick and secure installation by professionals or DIY users.
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Precision Threading
Manufactured to exact standards to ensure a snug and leak-free fit.
Product Specifications
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Size: 4" BSPP (G Thread) Female to 4" NPT Male
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Material: Lead-Free Brass
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Maximum Working Pressure: Up to 230 PSI
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Temperature Range: -65°F to +250°F (-53°C to +121°C)
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Installation Method: Screw-In
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Finish: Brass
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Item Weight: 4 lb
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Dimensions: 5 x 5 x 3 inches
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MPN: CSSL56162580
Package Includes
- 1 x 4" BSPP to NPT Adapter
- 1 x Optional sealing washer
Why Choose This Adapter
This 4" G Thread BSPP to NPT Adapter is ideal for both residential and industrial plumbing setups requiring a strong, corrosion-resistant, and accurate fitting. Whether you're adapting systems across international standards or working with hydraulic components, it ensures performance and peace of mind.
