Flat welding flange not only saves space, reduces weight, more importantly, to ensure that joints do not leak, has good sealing performance.
平焊法兰不仅节省了空间、减轻了重量，更重要的是确保接头部位不会发生泄漏，具有良好的密封性能。
2
The high accumulation efficiency of Luojiazhai gas field has been ensured by the highly efficient carrier system, good reservoir space and favorable sealing conditions.
高效的输导体系、优质的储集空间以及良好的封堵条件，确保了罗家寨气田较高的聚集效率。
3
Because of saving space, good water-displacing characteristics and nice sealing function casement is widely used in England, Italy, Southeastern Asia and Southern China.