Forged Steel Gate Valve Structure Type: Rising Stem, Non-rising Stem, Single Disc, Double Disc 9)Operated Way: Handwheel, Ge Forged Steel Gate Valve1) Size: NPS ... / CF8M / F304 / F304L / F6 / C5 4) Design & manufacture Std.: API6D, API600, JIS B2083, BS 5351, ASME B16.34 5) Face to ... ) Operated way: Manual, pneumatic, electric, hydraulic and pneumatic-hydraulic Forged Steel Gate Valve