The Caleffi 31426 FD is a union tailpiece with a 2 in NPT connection for Caleffi 548009A series equipment, providing the union joint that lets the host valve or separator be installed and removed without cutting pipe.
Product data compiled from Caleffi North America technical documentation. Last reviewed July 2026.
Key Features
Service Without Cutting Pipe
The union joint lets the host valve or separator drop out of the line for service or replacement - no torch, no pipe cutter.
Factory-Machined Sealing Face
Genuine Caleffi machining ensures the union face seals reliably against the matching nut and washer.
Fits 548009A Series
Matched to Caleffi 548009A equipment - confirm your model number before ordering.
Technical Data
| Function | Tailpiece |
|---|---|
| For product line | Hydraulic Separators |
| Fits | Caleffi 548009A series |
| Description | 25T011 Tailpiece 2 in FPT for 548009A |
| Connection type | NPT Threaded |
| Connection size | 2 in |
Related Products
Frequently Asked Questions
It is the genuine fitting for Caleffi 548009A series equipment. Match your host model number and connection size before ordering.
It creates a break point in the piping so the valve or separator can be removed for service without cutting pipe or unsoldering joints.
- Type:
- Tailpiece
- For Product Line:
- Hydraulic Separators
- Connection Type:
- NPT Threaded
- Connection Size:
- 2 in