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EN 10253 Type B Available ASME B16.9 MSS SP-43

Buttweld Pipe Caps & Stub Ends

Pipe Caps  |  Lap Joint Stub Ends  |  ASME B16.9  |  EN 10253

Pipe caps and lap joint stub ends in all material grades. ASME B16.9 and EN 10253 Type A & Type B. All schedules. EN 10204 3.1/3.2 MTR. PED 2014/68/EU certified. Ships to EU, UK, Middle East.

Range at a Glance

ProductsCaps & Stub Ends
Size½" – 48" NPS
ScheduleSCH 10 – XXS
ASME Std.B16.9
EN Std.EN 10253-1/-2/-3/-4
Stub EndMSS SP-43 / ASME B16.9
EN Type BAvailable ✓

Product Types

Pipe Cap (End Cap)

Domed fitting that closes the end of a pipe. Permanently terminates a pipe run. Available in ellipsoidal (standard) or hemispherical head profiles. Welded to the pipe end — no bolted connection.

  • ✓ ASME B16.9 — standard dimensions
  • ✓ EN 10253 Type A & Type B
  • ✓ All material grades
  • ✓ All schedules ½" – 48" NPS
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Lap Joint Stub End

Short pipe section with a flanged collar (lap). Used with lap joint backing flanges — allows rotation of the flange for bolt-hole alignment without rotating the pipe. Economical for expensive alloy systems.

  • ✓ ASME B16.9 / MSS SP-43
  • ✓ EN 10253 coverage
  • ✓ Backing flange can be carbon steel (saves alloy cost)
  • ✓ Type A (Schedule 10 wall) and Type B (full schedule)

Available Material Grades

Carbon Steel

  • ASTM A234 WPB / WPB-W
  • WPL6 (LTCS) / WPL3 (LNG)
  • EN: 1.0345 / 1.0425 / 1.0473

Alloy Steel (CrMo)

  • WP91/1.4903 · WP92/1.4901
  • WP22/1.7380 · WP11/1.7335
  • WP5/1.7362 · WP9/1.7386

Stainless Steel

  • WP316L/1.4404 · 316Ti/1.4571
  • WP304L/1.4307 · WP321/1.4541
  • Duplex 1.4462 · SD 1.4410

Nickel Alloys

  • Hastelloy C-276 / 2.4819
  • Inconel 625 / 2.4856
  • Incoloy 825 / 2.4858

EN 10253 Type B Caps & Stub Ends

Type B required for PED Cat III–IV. Specify explicitly. Full guide →

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