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          Introduction for the loading arm model

          writer:adminsource:未知 click: time:2018-08-17 09:07



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          1. Using place code (AL)

          Using character AL to show the railway or truck loading arm.

          A means the common structure loading arms; L means truck loading.

           

          2. Loading position code (1, 2)

          1 means top loading&unloading; 2 means bottom loading &unloading.

           

          3. Quantity of swivel joint (4, 5)

          4 means 4 pieces swivel joint; 5 mean 5 pieces swivel joint.

           

          4. Vapor recovery pipe structure code (0, 1)

          0 means no vapor loading arm; 1 mean there is vapor loading arm.

           

          5. Liquid pipe structure code (1, 2, 3, 4)

          1 means up inlet connection;

          2 means down inlet connection;

          3 means up output connection;

          4 means down output connection.

           

          6. Balance type code

          A. Counterweight balance

          S. Locking lever

          B. Spring cylinder balance

          G. Spring cylinder and air cylinder balance

          AB. Counterweight and spring cylinder

          F. Spring cylinder and locking lever

          C. Air cylinder balance

          FS. Spring cylinder and spring cylinder mechanical locking

           

          7. Vertical interface code

          1. 90°cut outlet

          2. 45°cut outlet

          3. Deflector

          4. Flange

          5. Flange with 90°elbow

          6. Double flanges

          7. Seal cap-90°cut outlet

          8. Seal cap/Shunt cap-deflector

          9. Hood-telescopic pipe


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