HDPE�ܵ��PPR�ܵ��ڽ��o��ˮϵ�y(t��ng)�еđ�(y��ng)��

��r(sh��)�g��2012-06-28 09:05 ��Դ��Ƽ�Փ�� : �� x��2163

Ŀǰ.�ڽ��o��ˮ�ܵ�ϵ�y(t��ng)��,��Ϲܲ��uȡ��T�F�� (Cast Iron Pipe)�͟��\�ܵȂ��y(t��ng)�ܲĳɞ��ʹ�ùܲġ��Ϲܺ͂��y(t��ng)�ܲ��.��p,��͸��g,��ˮ��С,��(ji��)�s��Դ��b��Ѹ��,��r(ji��)�^�͵��@��(y��u)��,��ܵ��˹ܵ��̽��A��

ͬ�r(sh��).�S��ʯ�ͻ��W(xu��)��I(y��)��w�ٰl(f��)չ.��켼�g(sh��)�Ĳ��M(j��n)��ϹܲĮa(ch��n)�� Ѹ��L.��Ʒ�N��Ӷ��ӻ�,��,��Ϲܲ��ڽ��е��O(sh��)Ӌ(j��)��Փ��ʩ��g(sh��)�ȷ��ȡ��˺ܴ�İl(f��)չ��.��e��S��Č�(sh��)�`��(j��ng)�(y��n).��ʹ��Ϲܲ��ڽ��o��ˮ�ܵ��ռ��(j��)��ஔ(d��ng)��Ҫ��λ��.��γ�һ�N�ݲ��ɓ��İl(f��)չڅ�ݡ�

1.��ܶȾ��ϩ�ܵ�,��PPR�ܵ��

��ܶȾ��ϩ�Ǹ��ܶȾ��ϩ.��ܶȾ��ϩ�ܵ��Ŀڏ��dnl6��dn315,��18��(g��)��(j��)�e��ȼ�(j��)��0.25��1.0Mpa֮�g,��4 ��(g��)�ȼ�(j��),��PPR��;۱�ϩ.PPR�ܵ��13��dn20��dnl10.��5 ��(g��)ϵ�С��ȼ�(j��)��0.125MPaһ2.5MPa֮�g,��

1.1��ܶȾ��ϩ��ϽM��

��ϩ.Ӣ��Q“polythylene”��QPE.��ϩ��(j��ng)�ۺ��Ƶõ�һ�N��Ԙ�֬.��Ѓ�(y��u)��͹��I(y��)��W(xu��)Ʒ��,��(j��)PE�ܵ��L��oҺ��(qi��ng)�Ȍ��ܲļ��ԭ��M(j��n)��ˇ�(y��n)��ķ���֞�PE32,��PE40,��PE63��PE80��PE100�傀(g��)�ȼ�(j��),��PE80��PE1O0��и��ܶȸ��ܶȾ��ϩ�ܲĶ��ݔ��ȼ?x��)⼰�oˮ,��

1.2 PPR��ϽM��

PPR�ܵ�ȫ��III�͟oҎ(gu��)�۾۱�ϩ��.�ɱ�ϩ��wPropylene��ϩ��wEthene�ۺ϶��ɵĹ��(PolyPropyleneRandomCopdvmer)�Ǿ��o(j��)��ʮ��Hˮƽ��͹�(ji��)�ܭh(hu��n)��Ϯa(ch��n)Ʒ��PPR�ܵ��һ�N��Ͳ��,��

��(n��i)��ՈҊ��

����D(zhu��n)�d��ǳ��ڂ��f��Ϣ֮Ŀ��,��Ё�Դ��(bi��o)ע�e(cu��)�`��ַ��ĺϷ��(qu��n)�棬Ո��߳֙�(qu��n)��C��c��W(w��ng)(li��n)ϵ,��҂��r(sh��)��,��h��x�x,��