Specialty 特长
There are three types of thread: external (mm), internal
(FF) and external internal (MF);
No net cover (type A), with net cover (type b);
It can be installed with connectors from various
manufacturers（ VCR.UJR.MCR Etc.);
For users who need to grind polishing products (ry0.6 μ or
less), please write TP at the end of the type number.
For example: VPA (b) 6-200-ff-vcrtp

•有两端外(MM)、内(FF)、外内(MF)3种类型螺纹；
•没有网套(A类型)，有网套(B类型)；
•可以安装各种厂家的接头，(VCR.UJR.MCR等)；
•需要研磨抛光品°( Ry0.6 μ以下)的用户，请在型式编号的尾部写上TP。
例如：OVA(B)6-200-FF-VCRTP

LEAK LATE(氨泄漏量): 5x10-8 pa.m³/s以下
STANDARD LENGTH(标准尺寸):200，400，600，800,1000, (mm)
Can be made outside the standard size.
可制作标准以外的尺寸。