AY type gland expansion jointDetailed product description：

AY type press fit expansion joint

This product provides great convenience for the installation and replacement of various water supply and drainage pipelines, water towers, water pumps, water meters, and valves, and plays a good regulating role in the expansion and contraction of long-distance pipelines due to temperature differences.
2. Before installation, loosen the pressure plate bolts, pull the product to the installation length, and then tighten it diagonally. Do not press it off center. If it is used overhead, corresponding fixed brackets must be installed at both ends. 3. The flange connection adopts the GB4216.3-4126.5 standard.
If other specifications are selected, they can be produced separately.

Technical parameters of AY type press fit expansion joint:

Serial number	name	quantity	Material
one	cover pressing	two	QT400-15、Q235A、ZG230-450、1Cr13、20
two	sleeve	one	Q235A、20、16Mn、1Cr18Ni9Ti
three	Sealing ring	two	NBR、CR、FPM、NR
four	stud	n	Q235A、35、1Cr18Ni9Ti
five	nut	n	Q235A、20、1Cr18Ni9Ti

Main dimensions of AY type gland expansion joint:

Nominal Diameter	Outer diameter of the tube	Overall dimensions					n-Th.
		Short type		Long type		D	0.25-1.6 MPa	2.5-6.4 MPa
		L1	L	L1	L
sixty-five	seventy-six	one hundred and twenty	one hundred and forty-eight	one hundred and eighty	two hundred and eight	one hundred and fifty-five	4-M12	4-M12
eighty	eighty-nine					one hundred and sixty-five
one hundred	one hundred and eight					one hundred and ninety		4-M16
	one hundred and fourteen					one hundred and ninety-five
one hundred and twenty-five	one hundred and thirteen					two hundred and fifteen
one hundred and twenty-five	one hundred and forty					two hundred and twenty-five
one hundred and fifty	one hundred and fifty-nine		one hundred and sixty		two hundred and twenty	two hundred and forty-five	4-M16	6-M16
	one hundred and sixty-eight					two hundred and fifty-five
two hundred	two hundred and nineteen					three hundred and ten
two hundred and twenty-five	two hundred and forty-five					three hundred and thirty-five
two hundred and fifty	two hundred and seventy-three		one hundred and sixty-three		two hundred and twenty-three	three hundred and seventy-five	6-M20	8-M20
three hundred	three hundred and twenty-five	one hundred and sixty	two hundred and thirteen	two hundred and twenty	two hundred and seventy-three	four hundred and forty		10-M20
three hundred and fifty	three hundred and fifty-five					four hundred and seventy	8-M20
	three hundred and seventy-seven					four hundred and ninety
four hundred	four hundred and six					five hundred and twenty
	four hundred and twenty-six					five hundred and forty
four hundred and fifty	four hundred and fifty-seven					five hundred and seventy	10-M20	12-M20
	four hundred and eighty					five hundred and ninety
five hundred	five hundred and eight					six hundred and twenty-five
	five hundred and thirty					six hundred and forty-five
six hundred	six hundred and ten					seven hundred and thirty
	six hundred and thirty					seven hundred and fifty
seven hundred	seven hundred and twenty					eight hundred and fifty	12-M20	14-M20
eight hundred	eight hundred and twenty	two hundred and thirty	two hundred and ninety-five	two hundred and ninety	three hundred and thirty-five	nine hundred and sixty-five	12-M24	16-M24
nine hundred	nine hundred and twenty					one thousand and sixty-five	14-M24	18-M24
one thousand	one thousand and twenty					one thousand one hundred and sixty-five
one thousand and two hundred	one thousand two hundred and twenty					one thousand three hundred and sixty-five	16-M24	20-M24
one thousand and four hundred	one thousand four hundred and twenty		three hundred and ten		three hundred and seventy	one thousand five hundred and ninety	18-M27	24-M27
one thousand and five hundred	one thousand five hundred and twenty					one thousand six hundred and ninety
one thousand and six hundred	one thousand six hundred and twenty					one thousand seven hundred and ninety-five	20-M27	28-M27
one thousand and eight hundred	one thousand eight hundred and twenty					two thousand	22-M27	30-M30
two thousand	two thousand and twenty					two thousand and two hundred	24-M27	32-M30