OPW swivel
710400029
(5*5*10;NG:400g) 

Censtar quick connect hose coupling extract oil gun switch, tankers counting.This display is preset with the index value to stop flashing, but have been retained.When go count value is close to go preset number, as a result of the action of electromagnetic valve, hose quick coupler gas counting from the screen, will significantly slow process, although the oil gun valve is still in the largest open, flow is decreased significantly, quick coupler hose until it reaches an automatic stop when the preset value. the return oil gun, preset display will be automatically reset, quantitative come on again, even if is the same value, must also back into the relevant figures, refueling need to repeat the above procedure.