原装进口PP环（主机活塞环），
适用于RT-FLEX48T-B/D、
RT-FLEX50-B/D、
RT-FLEX58T-B/D等船舶主机。
PPUK，全称Precision Products UK，英国著名精密机械生产商。
船舶用活塞环，业内通称PP环。

RT-FLEX48T-B/D
480x16x15 GTP1CC15
(Chrome Ceramic Coated)

480x16x15 SCP2CC15
(Chrome Ceramic Coated)

480x16x15 SCP1CC15
(Chrome Ceramic Coated)

480x16x15 SCP1RC15
(Running In Coated)

RT-FLEX50-B/D
500×16.5×15 GTP1CC15

(Chrome Ceramic Coated)
500×16.5×15 SCP2CC15

(Chrome Ceramic Coated)
500×16.5×15 SCP1RC15

(Running In Coated)
RT-FLEX58T-B/D
580x19x16 GTP1CC16

(Chrome Ceramic Coated)
580x19x16 SCP2CC16

(Chrome Ceramic Coated)
580x19x16 SCP1CC16

(Chrome Ceramic Coated)
580x19x16 SCP1RC16
(Running In Coated)