DS341X Flange type telescopic butterfly valveDetailed product description：

Characteristics of DS341X flange type telescopic butterfly valve

1. Unique structure, flexible design, light weight, effortless operation, and quick opening and closing.
2. The telescopic butterfly valve not only compensates for the thermal expansion and contraction caused by temperature difference in the pipeline, but also provides convenience for the installation and replacement of maintenance valves.
3. The sealing part can be adjusted and replaced, and the sealing performance is reliable.

Main technical parameters of DS341X flange type telescopic butterfly valve:

Nominal meridian DN (mm)		50~2000		50~1600
Nominal pressure PN (MPa)		zero point six	one	one point six
Sealing test (MPa)		zero point six six	one point one	one point seven six
Strength test (MPa)		zero point nine	one point five	two point four
Applicable temperature	soft seal	X:-40℃～90℃; XF:-20℃～200℃
	hard seal	Carbon steel: -29 ℃~425 ℃ Stainless steel -40 ℃~650 ℃
Applicable Medium		Water, air, natural gas, oil products, and weakly corrosive fluids
leakage rate		Compliant with GB/T13927-92 standard
Drive Type		Worm gear transmission, electric, pneumatic, hydraulic

DS341X flange type telescopic butterfly valve main component materials:

Part Name	Material
valve body	WCB、QT450-10、 stainless steel
butterfly valve disc	WCB、QT450-10、 stainless steel
valve stem	2Cr13 stainless steel
Seal ring	rubber
filler	flexible graphite

DS341X flange expansion butterfly valve adopts the standard:

Manufacturing Standard	JB/T8527-97、GB/T 122387-89
Flange Standard	GB9113-2000、GB17241.6-1998
Inspection Criteria	GB/T 13927-92

DS341X/F/H-6/10/16C, P, R flange expansion butterfly valves Main external connection dimensions: Unit: mm

Specification	D	D1	D2	Lmax	Lmin	H1	H2	N-Фd
one hundred	two hundred and twenty	one hundred and eighty	one hundred and fifty-six	two hundred and sixteen	one hundred and seventy-four	one hundred and ten	one hundred and seventy	8-Ф18
one hundred and twenty-five	two hundred and fifty	two hundred and ten	one hundred and eighty-four	two hundred and thirty-two	one hundred and eighty-six	one hundred and twenty-three	one hundred and eighty-two	8-Ф18
one hundred and fifty	two hundred and eighty-five	two hundred and forty	two hundred and eleven	two hundred and thirty-nine	one hundred and ninety-four	one hundred and forty	two hundred and ten	8-Ф22
two hundred	three hundred and forty	two hundred and ninety-five	two hundred and sixty-six	two hundred and sixty-four	two hundred and fourteen	one hundred and seventy	two hundred and thirty-eight	8-Ф22
two hundred and fifty	three hundred and ninety-five	three hundred and fifty	three hundred and nineteen	two hundred and ninety-six	two hundred and thirty-five	one hundred and ninety-five	two hundred and seventy	12-Ф22
three hundred	four hundred and forty-five	four hundred	three hundred and seventy	three hundred	two hundred and fifty	two hundred and twenty-two	three hundred	12-Ф22
three hundred and fifty	five hundred and five	four hundred and sixty	four hundred and twenty-nine	three hundred and twenty	two hundred and seventy	two hundred and fifty-two	three hundred and thirty	16-Ф22
four hundred	five hundred and sixty-five	five hundred and fifteen	four hundred and eighty	three hundred and thirty-two	two hundred and eighty-two	two hundred and eighty-five	three hundred and sixty-eight	16-Ф26
four hundred and fifty	six hundred and fifteen	five hundred and sixty-five	five hundred and thirty	three hundred and fifty-five	three hundred and five	three hundred and ten	four hundred and two	20-Ф26
five hundred	six hundred and seventy	six hundred and twenty	five hundred and eighty-two	three hundred and sixty-five	three hundred and fifteen	three hundred and thirty-seven	four hundred and thirty-eight	20-Ф30
six hundred	seven hundred and eighty	seven hundred and twenty-five	six hundred and eighty-two	four hundred and twenty	three hundred and forty	three hundred and ninety-three	four hundred and ninety	24-Ф30
seven hundred	eight hundred and ninety-five	eight hundred and forty	seven hundred and ninety-four	four hundred and forty-six	three hundred and ninety-six	four hundred and fifty	five hundred and fifty-eight	24-Ф33
eight hundred	one thousand and fifteen	nine hundred and fifty	nine hundred and one	four hundred and seventy-six	four hundred and twenty-six	five hundred and fifteen	six hundred and twenty-five	28-Ф33
nine hundred	one thousand one hundred and fifteen	one thousand and fifty	one thousand and one	five hundred and six	four hundred and fifty-six	five hundred and sixty	six hundred and eighty-five	28-Ф33
one thousand	one thousand two hundred and thirty	one thousand one hundred and sixty	one thousand one hundred and twelve	five hundred and sixteen	four hundred and sixty-six	six hundred and ten	seven hundred and fifty	28-Ф36
one thousand and two hundred	one thousand four hundred and fifty-five	one thousand three hundred and eighty	one thousand three hundred and twenty-eight	five hundred and sixty	five hundred and ten	seven hundred and twenty-five	eight hundred and eighty	32-Ф39
one thousand and four hundred	one thousand six hundred and seventy-five	one thousand five hundred and ninety	one thousand five hundred and thirty	five hundred and ninety	five hundred and forty	eight hundred and forty	nine hundred and eighty-seven	36-Ф42
one thousand and six hundred	one thousand nine hundred and fifteen	one thousand eight hundred and twenty	one thousand seven hundred and fifty	six hundred and thirty	five hundred and eighty-five	nine hundred and sixty	one thousand one hundred and fifty-eight	40-Ф48
one thousand and eight hundred	two thousand one hundred and fifteen	two thousand and twenty	one thousand nine hundred and fifty	six hundred and eighty	six hundred and thirty	one thousand and sixty	one thousand two hundred and fifty-eight	44-Ф48
two thousand	two thousand three hundred and twenty-five	two thousand two hundred and thirty	two thousand one hundred and fifty	seven hundred and thirty	six hundred and eighty	one thousand one hundred and sixty-five	one thousand three hundred and sixty-five	48-Ф48