eriri BSP (British Standard Pipe) na eri NPT (National Pipe Thread) bụ ụkpụrụ eriri ọkpọkọ abụọ a na-ahụkarị, yana ụfọdụ isi dị iche:
- Mpaghara na ụkpụrụ mba
Eriri BSP: Ndị a bụ ụkpụrụ Britain, nke British Standards Institution (BSI) chepụtara na jikwa ya. Ha nwere eriri eri nke ogo 55 na nha taper nke 1:16. A na-eji eriri BSP eme ihe na Europe na mba Commonwealth, na-emekarị na ụlọ ọrụ mmiri na gas.
Eriri NPT: Ndị a bụ ụkpụrụ America, nke American National Standards Institute (ANSI) na American Society of Mechanical Engineers (ASME) haziri ma jikwaa ya. Eriri NPT nwere akụkụ eri nke ogo 60 wee bịa n'ụdị kwụ ọtọ (cylindrical) na ụdị tapered. A na-ama eriri NPT maka ịrụ ọrụ mkpuchi dị mma ma na-ejikarị ebufe mmiri mmiri, gas, uzuoku na mmiri mmiri hydraulic.
- Usoro akara
Eriri BSP: Ha na-ejikarị washers ma ọ bụ sealant nweta akara.
Eriri NPT: Ezubere maka mkpuchi metal-to-metal, ha anaghị achọkarị ihe mkpuchi ọzọ.
- Mpaghara Ngwa
Eriri BSP: A na-ejikarị na UK, Australia, New Zealand na mpaghara ndị ọzọ.
Eriri NPT: A na-ahụkarị na United States na ahịa ndị metụtara ya.
Eriri NPT:Ọkọlọtọ America nwere eriri eriri ogo 60, nke a na-ejikarị na North America na mpaghara ANSI kwadoro.
Eriri BSP:Ọkọlọtọ Britain nwere eriri eriri ogo 55, nke a na-ejikarị na Europe na mba Commonwealth.
Oge nzipu: Mee-27-2024