DH-10P低温止回阀DH-15P、DH-20P

上海环耀阀门供应DH-10P低温止回阀、DH-15P低温止回阀、DH-20P低温止回阀、DH-25P低温止回阀、DH-32P低温止回阀、DH-40P低温止回阀、DH-50P低温止回阀此类型**低温止回阀适用于低温贮槽、槽车和罐车防止介质倒流，广泛用于LNG、液态乙烯及其它低温介质，具有密封可靠的特点。
This type is special low temperature lift check valve is suitable for low temperature storage tank, tank car and tank car to prevent the reverse medium, is widely used in LNG, ethylene and other low temperature liquid medium, has the characteristics of the sealing is reliable.
主要技术参数
Main technical parameters
公称压力/Nominal pressure:4.0MPa
设计温度/Design temperature:-196℃～+80℃
适用介质/Applicable medium:LNG 、LO2、LN2、LAr
连接方式/Connection method:插焊
公称通径/Nominal diameter:10mm～50mm
主要零部件名称
Main components name	材料
Materials
阀体/Valve body	ZG0Cr18Ni9
阀瓣/Valve disc	0Cr18Ni9Ti
主密封件/Main seal	PTFE
型号/Model	主要外形和连接尺寸/Main form and the connection size (mm)
?	H	L	D0	D1	D2	B
DH-10P	56	60	Ф13	Ф14.5	Ф24	6
DH-15P	62	65	Ф15	Ф18.5	Ф29.5	6
DH-20P	71	80	Ф20	Ф25.5	Ф36	8
DH-25P	78	90	Ф25	Ф32.5	Ф43.5	8
DH-32P	90	105	Ф32	Ф38.5	Ф53	8
DH-40P	99	120	Ф40	Ф45.5	Ф62	8
DH-50P	112	140	Ф50	Ф57.5	Ф72	10