383 & 387 Fabricated Steel Service Saddles
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When your water infrastructure projects demand reliable, versatile pipe connections, Xylem’s Smith-Blair 383 and 387 Fabricated Service Saddles deliver the performance you need. These saddles are designed for tapping branch connections on existing lines, installing critical valves and equipment, or adding supports and hangers.
Working alongside distributors and operators in the field, we've engineered these service saddles to tackle the real challenges you face every day. From 6" to 48" nominal pipe sizes, both models accommodate PVC, carbon steel, stainless steel, ductile iron, asbestos cement, aluminum, and HDPE pipe, giving you the flexibility to work across diverse pipe materials without switching products.
Pipe compatibility
- 6" to 48" nominal pipe sizes
- Compatible with PVC, carbon steel, stainless steel, ductile iron, asbestos cement, aluminum, and HDPE DR17 or thicker
Working pressure
- 6"-12" sizes: Up to 250 psi
- 14"-24" sizes: Up to 175 psi
- 30"-48" sizes: Up to 80 psi
Material Construction
- Carbon steel body per ASTM A283C with Flexi-Coat® fusion bonded epoxy finish
- Carbon steel outlet per ASTM A105
- Model 383: Carbon steel straps with Flexi-Coat® epoxy finish
- Model 387: Type 304 stainless steel straps, studs, nuts, and washers
- Fluoropolymer-coated nuts to prevent galling (Model 387)
Gasket Performance
- Nitrile (Buna-N) gasket per ASTM D2000
- Resists water, oil, natural gas, acids, alkalies, and most hydrocarbon fluids
- Temperature range: -20°F to +180°F
Quality & Compliance
- Certified to NSF/ANSI 61 and NSF/ANSI 372
- Flexi-Coat® coating meets AWWA C213 requirements
- Meets applicable AWWA C800 standards
- All welds accomplished by qualified welders using GMAW process
- Welds passivated (Model 387)
Applications
- Tapping branch connections on new or existing pipe
- Installing air/vacuum valves, pitot tubes, and drain valves
- Installing pipe supports, hangers, or sign mounting brackets
- Mounting miscellaneous service equipment
Built for demanding environments
We understand your operations can't afford failures. That's why both models feature carbon steel bodies with Flexi-Coat® fusion bonded epoxy finish, delivering corrosion protection that meets AWWA C213 requirements. The nitrile gaskets resist water, oil, natural gas, acids, alkalies, and hydrocarbon fluids while performing across temperatures from -20°F to +180°F.
Working pressures reach up to 250 psi for 6"-12" sizes, ensuring you can confidently specify these saddles for high-pressure applications.
Two models, one mission
- Model 383: Features carbon steel straps with Flexi-Coat® epoxy finish—an economical choice for standard applications
- Model 387: Features Type 304 stainless steel straps with fluoropolymer-coated nuts to prevent galling, ideal for corrosive environments or when maximum durability is essential
Compliance you can count on
Both models are certified to NSF/ANSI 61 and NSF/ANSI 372 for drinking water contact, and meet AWWA C800 standards. Every weld is accomplished by qualified welders using GMAW processes, ensuring consistent quality that protects the communities we serve together.
Whether you're stocking inventory for diverse customer needs or specifying products for critical infrastructure projects, Smith-Blair 383 and 387 Service Saddles deliver the versatility, reliability, and compliance that support your operations and the communities that depend on safe, resilient water systems.