金属缠绕垫片应用范围：石油、化工、冶金、电力、船舶、机械等行业的管道、阀门、压力容器、冷凝器、换热器、塔、人孔、手孔等法兰连接处密封。 　　

【产品规格】

项目	厚度(mm)	公差(mm)
垫片厚度	4.5, 3.2	+0.2 -0.1
环厚度	3.0	±0.24

【金属缠绕垫片】：

	DIN (mm)	ANSI B16.5 BS1560 (mm) Mss sp-44	API 605	公差
内环内径 垫片内径	<=600	<=24"	>=26" and <=34"	±0.5
	>600 and <=800	>24" and <=34"	>=36" and <=60"	±0.9
	>800 and <=1600	>34" and <=60"		±1.3
	>1600	>60"		±1.6
垫片外径	<=600	<=24"	<=24"	±0.9
	>600 and <=160000	>24" and <=60"	>24" and <=60"	±1.8
	1600	>60"		±2.2
外环外径			>=1/2" and <=60"	±0.9
	<=600	<=24"		0-1.0
	>600 and <=1000	>24" and <=34"		0-1.8
	>1000 and <=1600	>34" and <=60"		0-2.2

【金属缠绕垫片】技术参数：

缠绕垫片系数	m=2.5-4
缠绕垫片使用压力	≤25MPa
缠绕垫片使用温度	-196℃-700℃(氧化性介质中不高于600℃)
缠绕垫片小预紧比压	y=68MPa