Stem Gate Valve 1.Medium:water,oil,gas 2.Design:API,GB,JIS 3.PN:Class150-2500Lb 4.Materials:CS,SS304,316alloy, Stem Gate Valve 1.Design and manufacture of product according to ANSI B16.34 and API600 and API 6D. 2. Compact structure, small bulk, perfect rigidity, safety and reliable. 3. Blow down part (disc) utilize flexible structure, can automatically compensate distortion of body due to ...