タイトルまたは説明

valve fittings with high quality and fast delivery. 1, Specification S/N NPT thread size Type L1 Size Material size φA L2 S 1 1/8"**7NPT GV*-B *5、*0、*5、*0、*5、*0、*0＋*0×n、……**0 *6.5 *5 *2 2 1/4"**8NPT GV*-C *6.5 *5 *2 3 3/8"**8NPT GV*-D *2 *0.5 *2 4 1/2"**4NPT GV*-E *2 *0.5 *2 2. Technical parameters Item Parameters Remarks Shell liquid test pressure *5～**5MPa No leakage under the pressure in 3 minutes Seal liquid test pressure *5～**5MPa No leakage under the pressure in 3 minutes Gas test pressure 0.6MPa No leakage under the pressure in 3 minutes Suitable temperature **0℃～**0℃ according to material properties Suitable medium liquid or gas 3. Application： The oil fittings can be installed at the rotating parts of the valve stem. When the rotation of valve stem is not normal, the lubrication oil or grease can be filled through the fittings to lubricate.