Ritmo BASIC 160 V1, Use And Maintenance Handbook

Page: 17 / 95

2. WELDING GENERAL CRITERIA
ﻠﻟا ﺮﻴﻳﺎﻌﻣ ﺔﻣﺎﻌﻟا مﺎﺤ
2./8
جودﺰﻤﻟا ﻂﻐﻀﻟﺎﺑ مﺎﺤﻠﻟا ةرود
مﺎﺤﻟ ﺪﻨﻋ جودﺰﻤﻟا ﻂﻐﻀﻟا ةرود مﺪﺨﺘﺴﺗ
PE 100
لدﺎﻌﻳ ﻚﻤﺴﺑ
20
ذ قﻮﻔﻳ وأ ﻢﻠﻣ ﻚﻟ .
مﺎﺤﻟ ﺪﻨﻋ
PE 100
ﻦﻋ ﻞﻘﻳ ﻚﻤﺴﺑ
20
ﻂﻴﺴﺒﻟا ﻂﻐﻀﻟا ةرود مﺪﺨﺘﺳا ،ﻢﻠﻣ ) ﺔﻘﺑﺎﺴﻟا ﺔﺤﻔﺼﻟا .(
ﺔﻠﺛﺎﻤﺘﻣ ﻰﻟوﻷا ﻊﺑرﻷا ﻞﺣاﺮﻤﻟا ) ةروﺪﺑ ﻖﻠﻌﺘﻳ ﺎﻤﻟ
ﺔﻄﻴﺴﺒﻟا ﻂﻐﻀﻟا .(
ﺔﻠﺣﺮﻤﻟا 5/6 مﺎﺤﻠﻟا . ﻦﻴﺘﻈﺤﻟ ﻲﻓ مﺎﺤﻠﻟا ﺔﻠﺣﺮﻣ ﻢﺘﺗ :
1
. ﻀﻟا ﺪﻨﻋ ﺾﻌﺒﻟا ﺎﻤﻬﻀﻌﺑ ﻊﻣ ﻦﻴﻓﺮﻄﻟا دﻮﺟو ﻰﻠﻋ ﻆﻓﺎﺣ ﻂﻐ )
P
5
+P
t
( ﺖﻗﻮﻠﻟ
t
5
ﻞﻣﺎﻜﻟﺎﺑ .
2
. ﺔﻤﻴﻘﻟا ﻰﻟإ ﻂﻐﻀﻟا ﻞﻠﻗ P
6
ﺖﻗﻮﻠﻟ ﺔﺴﻣﻼﻤﻟا ﻆﻓﺎﺣو t
6
ﻞﻣﺎﻜﻟﺎﺑ .
ﺪﻳﺮﺒﺘﻟا ﺔﻌﺑﺎﺴﻟا ﺔﻠﺣﺮﻤﻟا . ﺖﻗﻮﻟ ﻲﻜﻴﻧﺎﻜﻴﻤﻟا ﻂﻐﻀﻟا عاﻮﻧأ ﻦﻣ عﻮﻧ يأ ﻦﻣ ﻲﻧﺎﻌﻳ ﻻأو ﻞﺼﻔﻤﻟا ﻚﻓ ﻢﺘﻳ ﻻأ ﺐﺠﻳ
t
7
ﻞﻣﺎﻜﻟﺎﺑ .
DUAL PRESSURE WELDING CYCLE
The Dual Pressure cycle is used when welding PE 100 with thickness equal or superior to 20mm.
When welding PE 100 with thickness inferior to 20mm, use the Simple Pressure cycle (previous page).
The first four phases are identical (with
respect to the simple pressure cycle).
Phases 5/6 Welding.
The welding phase happens in two moments:
1. Keep both ends together at the
(P
5
+P
t
)
pressure for the entire
t
5
time.
2. Reduce pressure to
P
6
value and maintain the contact for the entire
t
6
time.
Phase 7 Cooling.
The joint must not be removed or suffer any sort of mechanical strain for the entire
t
7
time.