Marine quick closing valve used a lot for emergency oil pipe line shutting off system, usually remote operation by pneumatic, hydraulic or wire rope, also can be shut off by hand wheel. Name: marine quick closing valve Material: cast steel, stainless steel, bronze , Working pressure: 5k, 10k, 20k Size: dn25 ~ dn200 Sandard: jis, asme, gb Lead time: around 35 days Certificate: abs , bv , ccs , dnv , gl , lr , kr , nk , rina , rs