GZWF46襯氟阻火器GZWF46-I襯氟管道阻火器GYWF46-I氟塑料襯里阻火器GZWF46-1襯氟F46阻火器/襯四氟阻火器/襯PTFE阻火器/耐酸堿耐腐蝕鋼襯F46阻火器/襯PO管道阻火器GZW-1襯塑管道阻火器GYW-1不銹鋼襯PO襯氟襯塑管道阻火器/油品襯PO管道阻火器/襯氟塑阻火器/鋼襯四氟管道阻火器/襯PO阻火器/防腐蝕管道阻火器安裝于強酸強堿特殊管道中。