分类
SE66 – 20mm x 20mm SE77 – 25mm x 25mm SE99 – 32mm x 32mm SR76 – 25mm x 20mm SR96 – 32mm x 20mm SR97 – 32mm x 25mm SE98 – 32mm (3.0mm) x 32mm (2.4mm)
EF6B – 1/2″ BSP x 20mm EF7B – 1/2″ BSP x 25mm EF6C – 3/4″ BSP x 20mm EF7C – 3/4″ BSP x 25mm EF9C – 3/4″ BSPT x 32mm EF9D – 1″ BSP x 32mm