Product Name: Loading & Unloading Valve Model NO.: C806J-80 Material: Aluminum Sight Glass: None Design: One-Piece Dust Cap: with Trademark: DonOO Transport Package: Carton Specification: 3" Origin: Zhejiang Product Description Benefit and Features1. Material: The main body is made of aluminum alloy, it is more light and sturdy.2. Interfaces to the anode hardening treatment, greatly improving the corrosion resistance3. Export adopts flat structure, loading and unloading oil, separated from the joint, ensures no leakage, reduce environmental pollution4. Hydrodynamic Body: Design and high lift poppet minimizes pressure drop to give maximum flow rate.5. On the valve body is equipped with endoscopic mouth, when loading and unloading of the observable oil flows.Structure and and working principleThe diameter is φ 80mm(3").The valve made of Aluminum body, valve clack and operating shaft etc, it is manual open.Maintenance1. Clean-keeping: Maintain the cleanness of parts exports, in a timely manner to eliminate the above dust or oil dirties, when not in use should be equipped with dust cap.2. Maintain:When the API adaptor opening or closing, should'nt be too pull to avoid damage the internal structure.Packaging & Delivery1. Packaging Details: 6PCS/CTN.2. Delivery Detail: The product should be stored and dry inside storeroom without corrosive gas, transportation and loading and unloading to should take put down gently.