NPT Threaded Fittings & Flanges
A core product range developed through customer requirements and now offered for independent supply. We review the connection standard, material and documentation needed for each enquiry before quoting.
Illustrative Material Finishes
These generated visuals communicate the material variants only. They are illustrations, not photographs of supplied stock; exact product form, grade, finish and dimensions are confirmed against each enquiry.
Product Scope & Specification Basis
A practical starting point for an enquiry. Final scope and conformity are confirmed in the quotation and order documents.
| Specification | What to identify |
|---|---|
| Product type | Fitting type (for example elbow, tee, coupling, union or adapter) or threaded flange; confirm exact form from drawing or part reference. |
| Thread | Specify NPT to ASME B1.20.1 and nominal pipe size. Confirm NPT versus BSPT, BSPP or another connection standard. |
| Standard / class | For forged threaded fittings, specify the applicable ASME B16.11 class and size. For threaded flanges, specify the applicable ASME B16.5 requirements, class, facing and size. |
| Material / grade | Identify the exact material specification and grade. Examples to discuss include ASTM A105 carbon steel and ASTM A182 stainless or alloy grades, subject to application and supply confirmation. |
| Quantity & documents | State quantity, inspection / test requirements, material certificates, marking, packaging and destination. |
This catalogue does not publish a universal size, pressure rating or stock claim. Standard, material, rating and availability vary by product and configuration. Verify the governing edition and application requirements before purchase or installation.
What to Send with Your Enquiry
Drawing or part reference
Attach a dimensioned drawing, specification, sample photo or clear part number.
Connection & material
Confirm NPT thread, size, applicable standard/class, exact grade and service conditions.
Quantity & delivery
Share order quantity, delivery location or export destination, target date and packaging needs.
Quality documents
List any inspection, test, traceability, certificate or marking requirements.
Standards References
- ASME B1.20.1 — Pipe Threads, General Purpose (Inch)
- ASME B16.11 — Forged Fittings, Socket-Welding and Threaded
- ASME B16.5 — Pipe Flanges and Flanged Fittings
- ASTM A105/A105M — Carbon Steel Forgings for Piping Applications
- ASTM A182/A182M — Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Fittings, Valves and Parts
Standards links are reference points. The buyer and supplier should agree the governing edition and complete requirements for the ordered item.
Send before 5 pm (Mon–Sat) and we'll quote or reply the same day. Later requests by noon the next working day.
Questions About NPT Threaded Fittings & Flanges
What information should I include in an NPT fittings enquiry?
Include product type, NPS size, NPT thread, applicable fitting or flange standard and class, exact material grade, quantity, documentation and destination.
Can NPT fittings be used in a BSP piping system?
NPT and BSP threads are different standards and should not be assumed interchangeable. Confirm the connection standard required by the mating equipment.
Are the catalogue images photographs of supplied products?
No. The material images are illustrative AI-generated visuals. Exact products, materials, dimensions, ratings and certifications are confirmed against the written quotation.
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