我厂水压机车间煤气管道上的一个 DG600的阀门,在阀体上有三道裂纹产生煤气泄漏,直接影响生产安全。虽经电焊修补,但因阀体是铸铁材料,可焊性不好,往往是焊了旧裂纹又出现新的裂纹,最近决定用粘接技术来处理。我们于91年10月3号对这个大阀门进行了粘接修复,其粘接修理方案如 A DG600 valve on the gas pipeline of our factory hydraulic press workshop has three cracks on the valve body to cause gas leakage, which directly affects the production safety. Although the electric welding repair, but the body is cast iron material, solderability is not good, often the old crack new welding cracks have emerged, the recent decision to use adhesive technology to deal with. We on October 3, 91 on the big valve for bonding repair, the adhesive repair program such as