Malleable / Black Iron, Bronze Seat, EN10226 Pt.1, Union, Navy FF, Fig.340
EN10226 Pt.1 - Thread Standard: Taper Male, Parallel Female, Identified externally by BEADED profile.
Comparable to Fig.340 this Navy Union features a Bronze-Iron seat, as opposed to iron-iron.
The high quality of these castings and the precision finish ensure these fittings comply with ISO and EN (European Norms) and BS standards for Malleable Iron Pipe Fittings.
- Full-bore banded-reinforcement (around female outlets), conforms to BS 143 & BS 1256:1986 which is equivalent to ISO 49 and DIN 2950. ISO 49:1983 is the international standard for “Malleable Cast Iron fittings threaded to ISO 7/1”.
- Internal and external jointing threads conforming to BS 21 (ISO R7 /1). The internal thread is cylindrical (parallel) and the external thread is tapered, in ratio of 1:16.
- Full clear bore and a high factor of safety over stated working pressures.
- Dimensions comply with dimensions and tolerances stated in BS 143 & BS 1256 and ISO 49 and EN 10242.
- Manufactured from ASTM A-197 and ASTM A47
- Working Pressure;
- 25 Bar at -30°c to +120°c
- 20 Bar at +120°c to +300°c
