CJT154-2001 给排水用缓闭止回阀通用技术要求.pdf

ÖлªÈËÃñ¹²ºÍ¹ú³ÇÕò½¨ÉèÐÐҵ±ê׼ CJ/T 154-2001 ¸øÅÅˮÓûº±Õֹ»Ø·§ͨÓü¼ÊõҪÇó General specification of slow closure type check valve for water supply and sewerage 2001һ09һ30·¢²¼ 2002һ06һ01ʵʩ ÖлªÈËÃñ¹²ºÍ¹ú½¨É貿·¢²¼ CJ/T 154-2001 ǰ ÑÔ ¸øÅÅ ˮÓûº ±Õֹ »Ø·§¡²ÒÔϼò³Æ»º ±ÕÖ¹ »Ø·§)ÊÇ°²װÔÚÊäËÍ ˮ¡¢º£ ˮ¡¢ÎÛˮ¼°ÆäËû·Ç¸¯ʴÐÔ½éÖÊ µÄ¹¤ ҵ¹ÜµÀ Éϱõijö ¿Ú´¦ £¬ÓÃÀ´·Àֹ½éÖÊ µÄÄæ Á÷ºÍÏû³ýÆÆ»µÐÔˮ´¸ ¡£¼ø ÓÚ¹úÄÚ¡¢ÍâûÓлº±Õֹ »Ø·§ µÄרÒµ±ê ׼ £¬¸ø»º±Õֹ »Ø·§µÄÉú²ú £¬ÖÆÔì ¼°ÖÊÁ¿¹ÜÀí £¬´øÀ´²»±ã¡£±¾±ê ׼²ÎÕÕ¹úÄÚ¡¢Íâֹ »Ø·§µÄ±ê׼ £¬ÔÚ¹úÄÚ¸÷Àà »º ±Õ ֹ»Ø·§µÄ»ù´¡ÉϽøÐбàÖÆ µÄ¡£±¾±ê׼µÄÖƶ¨ £¬½«»á´Ù½ø»º±Õֹ »Ø·§µÄ·¢չ ºÍӦÓᣠÓëÒÔÍùֹ»Ø·§±ê׼²» ͬµÄÊÇ £¬±¾±ê׼ ×ÅÖع涨ÁË»º±ÕϵͳµÄ¼¼Êõ ÒªÇó¼°»º ±ÕϵͳµÄÊÔÑéÓë¼ìÑé £¬Á¦ Çó²ú ƷÄÜÊÊ Ӧ¶àÖÖ¹¤¿ö¼°Ïû ³ýË®´¸ ¡£ ±¾±ê ׼»¹¶Ô »º±Õֹ »Ø·§µÄ¶¨ Òå¼°ÖÖÀà×÷ÁË˵ Ã÷ºÍ¹æ¶¨ ¡£ ±¾±ê ׼µÄ¸½¼ AÊDZê׼ µÄ¸½¼¡£ ±¾±ê ׼Óɽ¨É貿±ê׼¶¨ ¶îÑÐ ¾¿ËùÌá³ö ¡£ ±¾±ê ׼Óɽ¨É貿¸øˮÅÅˮ ±ê׼»¯¼¼ÊõίԱ»á ¹é¿Ú¡£ ±¾±ê ×¼Æð ²Ýµ¥λ :ÉϺ£Êй«ÓÃÊÂҵÑо¿ Ëù¡¢ÁÉ Ñô¸ß˹¸øˮÉè ±¸ÓÐ ÏÞ¹« ˾¡¢³¤ ɳÊз§Ãų§¡¢ÉϺ£ʯ»¯»ú еÖÆÔìÓÐ ÏÞ¹«˾¡£ ±¾±ê ׼Ö÷ҪÆð²ÝÈË :ÍõʦÎõ ¡¢´÷½¡¡¢Àî¹ðÁÖ ¡¢Ì·±¾Ðñ¡¢ÕÔ¹úçô¡£ ÖлªÈËÃñ¹²ºÍ¹ú³ÇÕò½¨ÉèÐÐҵ±ê׼ ¸øÅÅˮÓûº±Õֹ»Ø·§ͨÓü¼ÊõҪÇó CJ/T 154-2001 General specification of slow closure type check valve for water supply and sewerage ·¶Χ ±¾±ê׼¹æ¶¨Á˸øÅÅˮÓûº±Õֹ»Ø·§(ÒÔϼò³Æ»º±Õֹ»Ø·§)µÄ²úƷ·ÖÀà¡¢ҪÇó¡¢ÊÔÑé·½·¨¡¢¼ìÑé¹æÔò¡¢ ±ê־¡¢°üװ¡¢ÔËÊä¼°Öü´æµÄ»ù±¾ҪÇó¡£ ±¾±ê׼ÊÊÓÃÓÚ¹«³ÆѹÁ¦PNÕò4. 0 MPa£¬¹«³Æͨ¾¶DN<4 000 mm£¬¹¤×÷ζȲ»´óÓÚ80 C£¬¹¤×÷½é ÖÊΪÒûÓÃˮ¡¢ԭˮ¡¢¹¤ҵѭ»·ˮ¡¢º£ˮ¡¢ÎÛˮ¼°ÆäËû·Ç¸¯ʴÐÔ½éÖʵķ¨À¼Á¬½ÓµÄ»º±Õֹ»Ø·§¡£ 2ÒýÓñê׼ ÏÂÁбê׼Ëù°üº¬µÄÌõÎÄ.ͨ¹ýÔÚ±¾±ê׼ÖÐÒýÓöø¹¹³ÉΪ±¾±ê׼µÄÌõÎÄ¡£±¾±ê׼³ö°æʱ£¬Ëùʾ°æ±¾¾ù ΪÓÐЧ¡£ËùÓбê׼¶¼»á±»ÐÞ¶©£¬ʹÓñ¾±ê׼µÄ¸÷·½Ӧ̽ÌÖʹÓÃÏÂÁбê׼×îа汾µÄ¿ÉÄÜÐÔ¡£ GB/T 9112-1988¸ÖÖƹܷ¨À¼ÀàÐÍ GB/T 12220-1989ͨÓ÷§Ãűê־ GB/T 12221-1989·¨À¼Á¬½Ó½ðÊô·§ÃŽṹ³¤¶È GB/T 12236-1989ͨÓ÷§ÃŸÖÖÆÐýÆôʽֹ»Ø·§ GB/T 12238-1989ͨÓ÷§ÃÅ·¨À¼ºÍ¶Ô¼ÐÁ¬½Óµû·§ GB/T 13927-1992ͨÓ÷§ÃÅѹÁ¦ÊÔÑé GB/T 13932-1992ͨÓ÷§ÃÅÌúÖÆÐýÆôʽֹ»Ø·§ GB/T 17241. 6-1998ÕûÌåÖýÌú¹Ü·¨À¼ GB/T 17241.