台湾POSU单项引导式逆止阀PC1/4台湾POSU气动元件大陆苏康有限PC1/4PC3/8PC1/4S台湾POSU低压放大阀：PVL-132-SH-3-1/4H-4-1/4H-5-1/8H-5-1/4PVH-152PVH-252：F-3-M5F-3-1/4F-3-1/4-LF-3-1/4-GF-3-1/4-LGF-4-1/4F-4-1/4-LF-4-1/4-GF-4-1/4-LGF-(3*2)-1/4F-(3*2)-1/4-GV-5-1/8PVSP-152PVSP-152-TV-5-1/4PVSP-252PVSP-252-TPMV-3-M5-01PMV-2-M5-01PMV-3-M5-13PMV-2-M5-13PMV-3-M5-14PMV-2-M5-14PMV-3-M5-16PMV-2-M5-16PMV-3-1/8-01PMV-3-1/8-13PMV-3-1/8-14PMV-3-1/8-16PMV-5-1/8-01PMV-5-1/8-13PMV-5-1/8-14PMV-5-1/4-01PMV-5-1/4-13PMV-5-1/4-14PMV-5-1/4-20)