AHN42F Parallel safety reflux valveDetailed product description：

The AHN42F safety valve is installed on the liquid-phase reflux pipeline at the outlet of the liquefied petroleum gas station tank pump. When the pressure before the pump exceeds the specified value, the valve automatically opens and plays a safe reflux role, ensuring the safe operation of equipment and pipelines.

AHN42F parallel safety reflux valve external dimensions and connection dimensions:

Nominal Diameter	Size
	D	D1	D2	b	Z-d	L	H
forty	one hundred and fifty	one hundred and ten	eighty-five	sixteen	4-18	two hundred	two hundred and thirty-six
fifty	one hundred and sixty-five	one hundred and twenty-five	one hundred	sixteen	4-18	two hundred and thirty	two hundred and sixty-six
sixty-five	one hundred and eighty-five	one hundred and forty-five	one hundred and twenty	twenty	4-18	two hundred and ninety	four hundred and thirty
eighty	two hundred	one hundred and sixty	one hundred and thirty-five	twenty	8-18	three hundred and ten	four hundred and ninety
one hundred	two hundred and fifteen	one hundred and eighty	one hundred and fifty-five	twenty-two	8-18	three hundred and fifty	five hundred and forty-eight
one hundred and fifty	two hundred and eighty	two hundred and forty	two hundred and ten	twenty-four	8-23	four hundred and eighty	seven hundred and six