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BS EN 10242:2025 Threaded pipe fittings in malleable cast iron, 2025
- undefined
- European foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- Figure 1 — Forms of reinforcement
- 4 Types of fittings
- Table 1 — Index of fitting types, symbols and index to tables and patterns
- 5 Materials [Go to Page]
- 6 Corrosion protection [Go to Page]
- 7 Design [Go to Page]
- Table 2 — Design symbol
- 8 Dimensions and tolerances [Go to Page]
- Table 3 — Fitting size and nominal diameter [Go to Page]
- Table 4 — Tolerance on length [Go to Page]
- Table 5 — Lengths of engagement
- Figure 2 — Example of laying lengths z in the case of an angularly disposed fitting
- Figure 3 — Example of laying length z in the case of an axially aligned fitting [Go to Page]
- Table 6 — Minimum depth of spanner flats [Go to Page]
- 9 Threads [Go to Page]
- 10 Manufacture
- 11 Required characteristics [Go to Page]
- Table 7 — Operating pressure/temperature ratings
- Figure 4 — Operating pressure/temperature ratings [Go to Page]
- Table 8 — Hydrostatic design test pressures [Go to Page]
- 12 Testing and inspection [Go to Page]
- 13 Designation of fittings [Go to Page]
- Figure 5 — Sequence of specifying outlets [Go to Page]
- 14 Marking
- 15 Tables with dimensions
- Table 9 — Elbows (A1); Male and female elbows (A4); Tees (B1); Male/female tees (B4); Crosses (C1); Side outlet elbows (Za1) and Side outlet tees (Za2)
- Table 10 — Elbows, reducing (A1); Male and female elbows, reducing (A4)
- Table 11 — 45 elbows (A1/45 ); 45 male and female elbows (A4/45 )
- Table 12 — Tees reducing on the branch (B1); Tees increasing on the branch (B1)
- Table 13 — Tees reducing on the run and the branch (B1); Tees reducing on the run and equal on the branch (B1)
- Table 14 — Crosses, reducing (C1)
- Table 15 — Short bends (D1); Male and female short bends (D4); Male bends (D8); Pitcher tees (E1); Twin elbows (E2)
- Table 16 — Pitcher tees reducing on the branch (E1); Pitcher tees reducing on the run (E1); Pitcher tees reducing on the branch and the run (E1)
- Table 17 — Twin elbows, reducing (E2)
- Table 18 — Long sweep bends (G1); Male and female long sweep bends (G4); Male long sweep bends (G8)
- Table 19 — 45 long sweep bends (G1/45 ); 45 male and female long sweep bends (G4/45 )
- Table 20 — Sockets (M2); Sockets, right- and left-hand thread (M2, R-L); Sockets, reducing (M2)
- Table 21 — Male and female sockets (M4); Male and female sockets, reducing (M4)
- Table 22 — Bushings (N4)
- Table 23 — Hexagon nipples (N8); Hexagon nipples, right- and left-hand thread (N8, R-L); Hexagon nipples, reducing (N8)
- Table 24 — Backnuts (P4)
- Table 25 — Caps (T1); Plain plugs (T8); Beaded plugs (T9); Countersunk plugs (T11)
- Table 26 — Unions, flat seat (U1); Male and female unions, flat seat (U2); Unions, taper seat (U11); Male and female unions, taper seat (U12)
- Table 27 — Union elbows, flat seat (UA1); Male and female union elbows, flat seat (UA2); Union elbows, taper seat (UA11); Male and female union elbows, taper seat (UA12)
- Table 28 — Gaskets for unions and union elbows, flat seat U1, U2, UA1 and UA2
- Bibliography [Go to Page]