# JIS Tapered Pipe (PT) — Hydraulic and pipe connection type identification For JIS Tapered Pipe (PT), governing standard is JIS B 0203; region of origin is Japanese Connections; thread type (tapered or parallel) is tapered; seal method is JIS Tapered Pipe (PT) has metric threads per JIS B 0203. These are JIS tapered threads and are comparable to the design of BSPT connections in their dimensions and appearance; interchangeability notes is JIS tapered thread connections are interchangeable with BSPT connections, recorded from its source on 2026-08-13. - **Connection type:** JIS Tapered Pipe (PT) _(verified: appears in the quote below)_ - **Governing standard:** JIS B 0203 _(verified: appears in the quote below)_ - **Region of origin:** Japanese Connections _(our reading, not quoted from the source)_ - **Thread type (tapered or parallel):** tapered _(verified: appears in the quote below)_ - **Seal method:** JIS Tapered Pipe (PT) has metric threads per JIS B 0203. These are JIS tapered threads and are comparable to the design of BSPT connections in their dimensions and appearance. _(verified: appears in the quote below)_ - **Interchangeability notes:** JIS tapered thread connections are interchangeable with BSPT connections. _(verified: appears in the quote below)_ ## What the source says > JIS Tapered Pipe (PT) has metric threads per JIS B 0203. These are JIS tapered threads and are comparable to the design of BSPT connections in their dimensions and appearance. JIS tapered thread connections are interchangeable with BSPT connections. ## Source - https://brennaninc.com/connection-types/ Last verified: 2026-08-13. Review by: 2028-08-12. Part of [Hydraulic and pipe connection type identification](https://referencesource.org/hydraulic-pipe-connection-types/).