D363H Welding type hard seal butterfly valveDetailed product description：

Characteristics of D363H butt welded hard seal butterfly valve
1. The use of a triple eccentric butterfly valve can be considered a top-notch process valve, which makes the valve an ideal hard seal butterfly valve with bubble level sealing for high temperature, high pressure, and fire-resistant applications.
2. Due to the use of welding structure, the valve and pipeline plane achieve permanent zero leakage. 3. This valve has no flange, which brings great convenience and aesthetics to pipelines and insulation wrapping.
Main technical parameters of D363H butt welded hard seal butterfly valve:

Nominal meridian DN (mm)	DN（100～1200）mm、in4～48
Nominal pressure PN (MPa)	Strength test (1.5 × PN) Sealing test (1.1 × PN)
Applicable temperature	Carbon steel: -29 ℃~425 ℃ Stainless steel: -40 ℃~650 ℃
Applicable Medium	Water, steam, hot water, oil products
Drive Type	Worm gear transmission, electric, pneumatic, hydraulic
pressure rating	ANSI 150Lb pound class/PN25
Welding Standard	GB12224、ANSI B16、25、DIN2559

D363H butt welded hard seal butterfly valve main component materials:

Part Name	Material
valve body	Carbon steel, stainless steel, chromium aluminum steel
butterfly valve disc	Carbon steel, alloy steel, stainless steel
valve seat	3 Stainless steel, cobalt based hard alloy
bushing	stainless steel
valve stem	Stainless steel, special materials
filler	flexible graphite

D363H/663H/963H/-10/16/25/40/C, P, R butt welded hard seal butterfly valve connection dimensions:

The nominal Tongjing		Main dimensions			The nominal Tongjing		Main dimensions
in	DN(mm)	L	H1	H	in	DN(mm)	L	H1	H
four	one hundred	one hundred and ninety	two hundred and seventy	three hundred and seventy	eighteen	four hundred and fifty	three hundred and thirty	five hundred and thirty-five	eight hundred and twenty
five	one hundred and twenty-five	two hundred	two hundred and ninety-five	three hundred and ninety	twenty	five hundred	three hundred and fifty	five hundred and sixty	nine hundred
six	one hundred and fifty	two hundred and ten	three hundred and eight	four hundred and sixteen	twenty-four	six hundred	three hundred and ninety	six hundred and thirty	nine hundred and eighty
eight	two hundred	two hundred and thirty	three hundred and seventy	five hundred and thirty	twenty-eight	seven hundred	four hundred and thirty	six hundred and seventy	one thousand and one hundred
ten	two hundred and fifty	two hundred and fifty	four hundred and fifty	five hundred and eighty	thirty-two	eight hundred	four hundred and seventy	eight hundred	one thousand and three hundred
twelve	three hundred	two hundred and seventy	four hundred and sixty-five	six hundred and thirty	thirty-six	nine hundred	five hundred and ten	eight hundred and fifty	one thousand three hundred and seventy
fourteen	three hundred and fifty	two hundred and ninety	four hundred and seventy-five	five hundred and ninety-five	forty	one thousand	five hundred and fifty	eight hundred and eighty	one thousand four hundred and eighty
sixteen	four hundred	three hundred and ten	five hundred and five	seven hundred and fifty-five	forty-eight	one thousand and two hundred	six hundred and thirty	one thousand	one thousand six hundred and ninety