Blowdown fittings(inner hexagonal ball seal)

详情

Blowdown fittings with high quality. 2.5.Specification S/N NPT thread size Type Size Material size L ΦA S 1 1/4"**8NPT DSV*-C *5 φ4 S*7(*4) 2 3/8"**8NPT DSV*-D *5 φ4 *9 3 1/2"**4NPT DSV*-E *5 φ4 *2 4 3/4"**4NPT DSV*-F *5 φ4 *7 5 1"***1/2NPT DSV*-G *5 φ4 *4 ***** 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 2.7.Application Suitable to be installed at the lower part of the valve body to discharge the gas or small amount of dirt from the valve cavity. *****： 2.8.1.surface treatment: Fe/Ep、Zn8 ***** other requirements of customers could be satisfied, including material, material specification, outside size, length, connecting thread, surface treatment, etc. 2.8.3. product surface was identified according to the actual material.