BS 4504 WELDING NECK FLANGE
PN6, PN10, PN16, PN25, PN40
British Standard BS 4504 : Wāhanga 3.1 : 1989 – Porowhita Porowhita mo Pipes, Valves me Fittings (PN Designated), Whakapūtātanga mo Flanges Steel.Ka kapi tenei i nga kopa i roto i nga awhe pehanga whakaingoa PN 2.5 ki te PN 40 me nga rahi whakaingoa ki te DN 4000 (tirohia te ripanga i raro nei).Ko te BS 4504 e tino whakaae ana ki te ISO 7005-1 : 1992 (E) Wāhanga 1 : Nga Tira Tira.
BS 4504 : 1969 kei te whakamahia tonu.Ko tenei paerewa tawhito ka taea te hanga mai i te paera, engari ko te paerewa hou e kii ana me whakamahi te pereti pereti ranei, ka nui ake te utu.He iti noa nga rereketanga i waenga i nga waahanga e rua.Ko nga ripanga e whai ake nei kei runga i te putanga o muri mai.
Te Ahu Flange me te Papatipu Tata
Te kaha o te whakaputa me nga korero mo te hoko.
1. Whakarato Ahu Flange DN15 – DN2000 (1/2″ – 80″), Flange Forged.
2. Rauemi Carbon Steel: ASTM A105, S235JR, C22.8, RST37.2, ST37, P245GH, P250GH, ASTM A181, Q235
3. Rauemi Kowiri tira: ASTM A182 F304, F304L, F316, F316L, F321 etc.
4. Flanges Anti Rust: Anti Waikura Hinu, Pania Pango, Whakakikorua Pee Kowhai, Hot Dipped Galvanized, Cold Galvanized etc.
5. Putanga Marama: 3000 tons ia Marama.
6. Nga Tikanga Tukunga: CIF, CFR, FOB, EXW.
7. Utu Utu: Whakawhiti Waea (T / T), L / C Kaore e taea te whakakore i te tirohanga me etahi atu.
8. Te Rahi Whakatau iti: 1Ton ranei 100Pcs.
9. Whakaaetanga Kounga: EN10204 3.1 Tiwhikete, Tiwhikete Mill, Tirohanga Tuatoru, Ratonga Whakakapinga Koreutu.
10. Kimihia etahi atu whakaritenga i roto i te maakete flanges.