F-50，APK21N-32CF-63，
APK21N-32CF-100，APK21N-32CF-125，
APK21N-32SL-50，无锡昌林，APK21N-32SL-63，
APK21N-32SL-100，APK21N-32SL-125，
APK21N-32SF-50，APK21N-32SF-63，
APK21N-32SF-100，APK21N-32SF-125，
APK21N-40BL-50，APK21N-40BL-63，二位二通活塞式多介质角座阀
APK21N-40BL-100，APK21N-40BL-125，
APK21N-40BF-50，无锡昌林，APK21N-40BF-63，
APK21N-40BF-100，APK21N-40BF-125，
APK21N-40CL-50，APK21N-40CL-63，
APK21N-40CL-100，APK21N-40CL-125，
APK21N-40CF-50，APK21N-40CF-63，无锡昌林，