AL1401 / 1402 top loading arm seal land fluid handling arm (crane) is a flexible rotation, sealing, and can adapt to a more harsh environment and other characteristics of the rotary joint and pipe together, and for the loading station and road / rail groove special equipment transport liquid or gaseous products between cars. Hong instrument produced fluids handling equipment range specifications, the use of safe, reliable, light and flexible operation, easy installation and maintenance, superior sealing performance, has obvious advantages in the domestic industry. Product Features 1, for the top tank (AL1412 crane tube tops with oil and gas recovery) open and sealed or bottom loading and unloading operations; 2, during loading and unloading within the normal range tankers and tankers follower; 3, can be manual or pneumatic operation; 4, the balance may be achieved through the spring cylinder; 5, a variety of optional accessories are available to enable the safe operation or environmental protection 6, management can be carbon steel, stainless steel and other materials or PTFE lining manufacturing; 7, liquid pipeline nominal diameter of 2 ", 3", 4 "6, can also provide other caliber, gas pipeline nominal diameter 1", 1.5 ", 2", 3, etc.; 8, design temperature: 1 - 196 ° C- + 300 ° C 9, in the form of structural design pressure PN1.0Mpa-PN10Mpa loading arm 1 selection, handling low-volatile, non-hazardous liquid medium, the choice open; 2, handling volatile gas recovery value of media, the choice of the form of a sealed gas loop; 3, handling flammable, explosive, easy to produce static electricity build-up and pollution of the environment, the human body has a liquid medium hazard, use a gas circuit, in the form of sealing cap and installation guide static system, with automatic retractable tape shunt cap sleeve. 4, handling liquid ammonia, liquefied petroleum gas, dimethyl ether and other gases media, double tube closed form; automotive bottom arm, tankers with quick connector interfaces; train with the top of the arm, tankers interfaces with loose flanges. This applies to volatile, toxic vapor medium, top train loading, have been volatile media can be recovered.