GRS steel expansion jointDetailed product description：

GRS steel expansion joint installation data sheet: (Product pressure can be adjusted according to user requirements: 0.6-4.0Mpa)

Nominal diameter DN	Maximum length (mm)	Minimum length (mm)	Installation length (mm)	Flange connection size
forty	two hundred	one hundred and forty	one hundred and seventy	D1	n-d	n-m
fifty	two hundred	one hundred and forty	one hundred and seventy	one hundred	4-18	4-16
sixty-five	two hundred and fifty	one hundred and sixty	two hundred and five	one hundred and fifty-five	4-18	4-16
eighty	two hundred and seventy	one hundred and eighty	two hundred and twenty-five	one hundred and twenty-five	4-18	4-16
one hundred	three hundred	two hundred	two hundred and fifty	one hundred and forty-five	4-18	4-16
one hundred and twenty-five	three hundred	two hundred	two hundred and fifty	one hundred and sixty	4-18	4-16
one hundred and fifty	three hundred and twenty	two hundred and twenty	two hundred and seventy	one hundred and eighty	8-18	8-16
two hundred	three hundred and twenty	two hundred and forty	two hundred and ninety	two hundred and ten	8-18	8-16
two hundred and fifty	three hundred and seventy	two hundred and sixty	three hundred and fifteen	two hundred and forty	8-23	8-20
three hundred	four hundred	two hundred and eighty	three hundred and forty	two hundred and ninety-five	8-23	8-20
three hundred and fifty	four hundred and ten	two hundred and ninety	three hundred and fifty	three hundred and fifty	12-23	12-20
four hundred	four hundred and twenty	three hundred and fifteen	three hundred and sixty	four hundred	12-23	12-20
four hundred and fifty	four hundred and fifty	three hundred and forty	three hundred and eighty-five	four hundred and sixty	16-23	16-20
five hundred	four hundred and fifty	three hundred and fifty	three hundred and eighty-five	five hundred and fifteen	16-25	16-22
six hundred	four hundred and eighty	three hundred and sixty	four hundred and fifteen	five hundred and sixty-five	20-25	20-22
seven hundred	five hundred and ten	three hundred and eighty-five	four hundred and forty	six hundred and twenty	20-30	20-22
eight hundred	five hundred and thirty	three hundred and eighty-five	four hundred and sixty	seven hundred and twenty-five	24-30	20-27
nine hundred	five hundred and seventy	four hundred and fifteen	four hundred and ninety-five	eight hundred and forty	28-30	24-27
one thousand	five hundred and ninety	four hundred and forty	five hundred and fifteen	nine hundred and fifty	24-34	24-30
one thousand and two hundred	six hundred and fifty	four hundred and sixty	five hundred and seventy	one thousand and fifty	28-34	28-30
one thousand and four hundred	six hundred and ninety	four hundred and ninety-five	six hundred and five	one thousand one hundred and sixty	32-41	28-30
one thousand and six hundred	seven hundred and thirty	five hundred and fifteen	six hundred and forty	one thousand three hundred and eighty	36-48	32-30
one thousand and eight hundred	seven hundred and seventy	five hundred and seventy	six hundred and eighty	one thousand five hundred and ninety	40-54	36-36
two thousand	nine hundred and ten	six hundred and five	seven hundred and twenty	one thousand eight hundred and twenty	44-54	36-42
two thousand and two hundred	eight hundred and fifty	six hundred and forty	eight hundred	two thousand and twenty	46-54	40-48
two thousand and four hundred	eight hundred and ninety	six hundred and eighty	eight hundred and forty	two thousand two hundred and thirty	52-48	44-48
two thousand and six hundred	nine hundred and thirty	seven hundred and twenty	eight hundred and eighty	two thousand three hundred and ninety	56-48	46-48
two thousand and eight hundred	nine hundred and seventy	seven hundred and sixty	nine hundred and twenty	two thousand and six hundred	60-54	52-42
three thousand	one thousand and ten	eight hundred	nine hundred and sixty	two thousand eight hundred and ten	64-54	56-42
three thousand and two hundred	one thousand and fifty	eight hundred and forty	one thousand	three thousand and twenty	64-54	56-42
three thousand and four hundred	one thousand and ninety	eight hundred and eighty	one thousand	three thousand two hundred and twenty	68-54	60-48

Instructions:
1. The GRS steel expansion joint provides great convenience for the installation and replacement of various water supply and drainage pipelines, water towers, water pumps, and valves, and plays a good regulating role in the expansion and contraction of long-distance pipelines due to temperature differences.  
2. Before installation, the pressure plate bolts must be loosened, the product should be pulled to the installation length, and then tightened diagonally. Cut the iron and press it off. If used overhead, corresponding fixed brackets must be installed at both ends.  
3. The flange connection adopts the GB/T9112-9124-2000 standard. (Material Q235)
4. If other specifications are selected, they can be produced separately.