Sealing compound may be used, but excessive use of hemp type materials should be avoided. These materials increase the thread interference and may cause overstressing of the body ends.

• 可能需要使用密封材料,但是应该避免过分使用纤维类材料。这些材料使螺纹受到干扰,可能导致阀体连接端口的过度应力。