仪征化纤PTA装置压滤机用密封件等询比价采购中国石化仪征化纤有限责任公司双层隔膜\DHY4811A 2315mm×382mm PTFE+FKM双层隔膜\DHY4812 2315×517mm PTFE+FKM双层隔膜\DHY4811A 2315mm×382mm PTFE+FKM骨架油封\Φ35×52×8 FKM骨架油封\Φ40×55×8 FKMO型密封圈\Φ730×10 FKM垫片\DHY4811A 2315×382×2 PTFE垫片\DHY4811A 396×95×3 PTFE双层隔膜\DHY4812 2315×262mm PTFE+FKM专用密封圈\DHY4812 Φ28×6 PTFE挡环\DHY4811A Φ720×770 PTFE+玻璃纤维压板\DHY4812 02-A2 PEEK压板\DHY4812 02-B2 PEEK压板\DHY4812 02-C2 PEEK压板\DHY4812 02-D2 PEEK压板\DHY4812 02-E2 PEEK压板\DHY4812 02-F2 PEEK压板\DHY4812 02-G2 PEEK挡环\DHY4811A Φ720×770 PTFE+玻璃纤维双层隔膜\DHY4811A 2315mm×382mm PTFE+FKM专用密封圈\DHY4812 Φ28×6 PTFE垫片\DHY4811A 35×15×7 PTFE垫片\DHY4811A 2315×382×2 PTFE专用密封圈\DHY4812 Φ28×6 PTFE垫片\DHY4811A 35×15×7 PTFE挡环\DHY4811A 76.94×82.55×0.508 PEEK
2026-10-08