BQ41F-16 Reduced diameter insulated ball valveDetailed product description：

characteristic

BQ41F-16 reduced diameter insulated ball valve has insulation and cold insulation characteristics. Design and manufacture flange connections according to GB standards and manufacture according to 79-94 standards for use in the petroleum, chemical, metallurgical, and pharmaceutical industries.
This valve is insulated with a steam jacket. Therefore, even if the external temperature drops below zero degrees, the valve still operates flexibly to ensure that the oil pipeline can be disconnected, which is an advantage that general control valves do not have. It is an ideal control valve for heavy oil transportation pipelines.
Inject steam, thermal oil, cooling water, cold air, etc. into the jacket according to user needs. Use the entire valve to maintain or lower the temperature to the desired level. Can prevent the crystallization of the medium.

Main connection dimensions of Type I

Nominal diameter DN	L	D	D1	D2	B	F	Z-Φd	2-G
fifteen	one hundred and thirty	ninety-five	sixty-five	forty-five	fourteen	two	4-Φ14	3/8
twenty	one hundred and fifty	one hundred and five	seventy-five	fifty-five	fourteen	two	4-Φ14	3/8
twenty-five	one hundred and sixty	one hundred and fifteen	eighty-five	sixty-five	fourteen	two	4-Φ14	3/8
thirty-two	one hundred and sixty-five	one hundred and thirty-five	one hundred	seventy-eight	sixteen	two	4-Φ18	1/2
forty	one hundred and eighty	one hundred and forty-five	one hundred and ten	eighty-five	sixteen	three	4-Φ18	1/2
fifty	two hundred	one hundred and sixty	one hundred and twenty-five	one hundred	sixteen	three	4-Φ18	1/2
sixty-five	two hundred and twenty	one hundred and eighty	one hundred and forty-five	one hundred and twenty	eighteen	three	4-Φ18	1/2
eighty	two hundred and fifty	one hundred and ninety-five	one hundred and sixty	one hundred and thirty-five	twenty	three	4-Φ18	1/2
one hundred	two hundred and eighty	two hundred and fifteen	one hundred and eighty	one hundred and fifty-five	twenty	three	4-Φ18	1/2
one hundred and twenty-five	three hundred and twenty	two hundred and eighty	two hundred and forty	two hundred and ten	twenty-two	three	4-Φ23	1/2
one hundred and fifty	three hundred and sixty	three hundred and thirty-five	two hundred and ninety-five	two hundred and sixty-five	twenty-six	three	4-Φ23	1/2

Main connection dimensions of π - type

Nominal diameter DN	L	D	D1	D2	B	F	Z-Φd	2-G
fifteen	one hundred and thirty	ninety-five	sixty-five	forty-five	fourteen	two	4-Φ14	3/8
twenty	one hundred and fifty	one hundred and five	seventy-five	fifty-five	fourteen	two	4-Φ14	3/8
twenty-five	one hundred and sixty	one hundred and fifteen	eighty-five	sixty-five	fourteen	two	4-Φ14	3/8
thirty-two	one hundred and sixty-five	one hundred and thirty-five	one hundred	seventy-eight	sixteen	two	4-Φ18	1/2
forty	one hundred and eighty	one hundred and forty-five	one hundred and ten	eighty-five	sixteen	three	4-Φ18	1/2
fifty	two hundred	one hundred and sixty	one hundred and twenty-five	one hundred	sixteen	three	4-Φ18	1/2
sixty-five	two hundred and twenty	one hundred and eighty	one hundred and forty-five	one hundred and twenty	eighteen	three	4-Φ18	1/2
eighty	two hundred and fifty	one hundred and ninety-five	one hundred and sixty	one hundred and thirty-five	twenty	three	4-Φ18	1/2
one hundred	two hundred and eighty	two hundred and fifteen	one hundred and eighty	one hundred and fifty-five	twenty	three	4-Φ18	1/2
one hundred and twenty-five	three hundred and twenty	two hundred and eighty	two hundred and forty	two hundred and ten	twenty-two	three	4-Φ23	1/2
one hundred and fifty	three hundred and sixty	three hundred and thirty-five	two hundred and ninety-five	two hundred and sixty-five	twenty-six	three	4-Φ23	1/2