412 Series Transition Fitting | 1.00" Female NPT Thread | DR 9
Series 412 Female NPT Thread Transition Fittings provide a reliable, leak-proof connection between HDPE conduit and NPT-threaded equipment. This listing covers all options for 1.00" Female NPT Thread in a range of main sizes with a DR 9 pressure rating. Built from durable C954 Aluminum Bronze, 304 Stainless Steel, 316 Stainless Steel, or PVC, the barbed low-profile design hydraulically fuses to the pipe wall, forming a permanent, maintenance-free seal. Ideal for underground utility, industrial, and telecom applications.
Key Features & Benefits
✅ Leak-Proof Fusion Seal – Barbed design permanently bonds to HDPE (2"–24" diameters)
✅ Multiple Materials Available – Choose from C954 Bronze, 304 SS, 316 SS, or PVC
✅ Standard 1.00" NPT Thread – Complies with ANSI/ASME B1.20.1 – 2013 standards
✅ Pressure Rated DR 9 – Ideal for medium-pressure conduit systems
✅ Cap-Ready Design – Install in end caps for flow control or test ports
✅ Low-Profile Configuration – Allows probe or meter insertion without extended arm fittings
Technical Specifications
- Series: 412
- Outlet Thread Size: 1.00" Female NPT
- Available DR Ratings: DR 9
- Main Size Compatibility: 2" to 4" HDPE conduit
- Fusion Type: Barbed mechanical design with hydraulic compression
- Installation Method: Hydraulic fusion per PPI butt fusion guidelines
- Materials: C954 Aluminum Bronze, 304 SS, 316 SS, or PVC
- Standards: ASTM D3035, D1599, D1598, D3350; ARRA compliant
- See all Series 412 Female NPT Transition Fittings »
Common Applications
- Utility Metering Stations
- Industrial Process Monitoring
- Municipal and Industrial Water Systems
- Chemical and Petroleum Transfer Lines
- Geothermal System Connections
Available Configurations
| Main Size | DR Rating | Material Options | Outlet Thread |
|---|---|---|---|
| 2" | DR 9 | C954 Bronze, 304 SS, 316 SS, PVC | 1.00" Female NPT |
| 3" | DR 9 | C954 Bronze, 304 SS, 316 SS, PVC | 1.00" Female NPT |
| 4" | DR 9 | C954 Bronze, 304 SS, 316 SS, PVC | 1.00" Female NPT |
Note: All fittings include machine-finished threads and precision-machined barbs for optimal fusion and long-term reliability.
Note #2: This listing is for 1.00" Female NPT Thread outlet fittings only. Please select the correct main pipe size from the dropdown menu above.
DR Compatibility Matrix
| Main Size | DR 7 | DR 9 | DR 11 | DR 17 |
|---|---|---|---|---|
| 2" | ✅ | ✅ | ✅ | ✅ |
| 3" | ✅ | ✅ | ✅ | ✅ |
| 4" | ✅ | ✅ | ✅ | ✅ |
| 6" | ❌ | ❌ | ✅ | ✅ |
| 8" | ❌ | ❌ | ✅ | ✅ |
| 10" | ❌ | ❌ | ✅ | ✅ |
| 12" | ❌ | ❌ | ✅ | ✅ |
| 16" | ❌ | ❌ | ✅ | ✅ |
| 20" | ❌ | ❌ | ✅ | ✅ |
| 24" | ❌ | ❌ | ✅ | ✅ |