|
Ïåðåõîä ÏÍÄ
Ïðè ìîíòàæå ïîëèýòèëåíîâûõ òðóáîïðîâîäîâ ðàçíîãî íàçíà÷åíèÿ (áóäü òî ãàçîïðîâîä, âîäîïðîâîä èëè êàíàëèçàöèîííàÿ ñèñòåìà) íåâîçìîæíî îáîéòèñü áåç ïåðåõîäîâ ÏÍÄ. Îíè îáåñïå÷èâàþò ãåðìåòè÷íîå è âûñîêîïðî÷íîå ñîåäèíåíèå äåòàëåé òðóáîïðîâîäà, äàæå åñëè ó ñîåäèíÿåìûõ ýëåìåíòîâ ðàçíûå äèàìåòðû. perehod-pndÏîëèýòèëåíîâûå ïåðåõîäû ÏÍÄ ïîä äàâëåíèåì îòëèâàþòñÿ íà ñïåöèàëüíîì îáîðóäîâàíèè, èìåþùåì â êîíñòðóêöèè òåðìîðåãóëèðóþùèå ïëàñòû. Ïîëó÷åííûå íà òàêèõ àïïàðàòàõ çàãîòîâêè ìåõàíè÷åñêè îáðàáàòûâàþòñÿ, ñ ïðèìåíåíèåì ïîëèýòèëåíà ìàðîê ÏÝ 80/ÏÝ 100, îáëàäàþùèõ íåäëèòåëüíîé ïðî÷íîñòüþ. ×òîáû îáåñïå÷èòü ãåðìåòè÷íîå, âûñîêîïðî÷íîå ñîåäèíåíèå ïîëèýòèëåíîâîãî ïåðåõîäà ñ òðóáîé, ïðèìåíÿþò ýëåêòðîäèôôóçèîííóþ ñâàðêó, èçâåñòíóþ òàêæå êàê ñâàðêó ñ èñïîëüçîâàíèåì ýëåêòðîìóôò. Äðóãèì ñïîñîáîì ñâàðèâàíèÿ òàêèõ äåòàëåé òðóáîïðîâîäà ÿâëÿåòñÿ ñâàðêà âñòûê. Ïðè ýëåêòðîäèôôóçèîííîé ñâàðêå ïðèìåíÿþò, òàê íàçûâàåìûå, ôàñîííûå äåòàëè ñ çàêëàäíûìè ýëåêòðîíàãðåâàòåëÿìè. Ñâàðêà âñòûê ïîäðàçóìåâàåò ðàñïëàâëåíèå íàãðåâàòåëüíûì ýëåìåíòîì ñîåäèíÿåìûõ äåòàëåé (â äàííîì ñëó÷àå òîðöà òðóáû ñ ïåðåõîäîì ÏÍÄ), à çàòåì èõ ñîåäèíåíèå ïîä îïðåäåëåííûì äàâëåíèåì ñ ïîñëåäóþùèì îõëàæäåíèåì. ÏÅÐÅÕÎÄ ÏÎËÈÝÒÈËÅÍÎÂÛÉ ÏÝ80 SDR11 - d = 63õ32 ìì………L = 145 ìì……….m = 0,100 êã
- d = 90õ63 ìì………L = 180 ìì……….m = 0,275 êã
- d = 110õ63ìì……...L = 198 ìì……….m = 0,450 êã
- d = 110õ90 ìì……..L = 205 ìì……….m = 0,500 êã
- d = 160õ110 ìì……L = 230 ìì……….m = 1,210 êã
- d = 225õ110 ìì……L = 315 ìì……….m = 2,820 êã
- d = 225õ160 ìì……L = 315 ìì……….m = 2,950 êã
ÏÅÐÅÕÎÄ ÏÎËÈÝÒÈËÅÍÎÂÛÉ ÏÝ100 SDR11 - d = 32õ25 ìì………L = 99 ìì………...m = 0,025 êã
- d = 40õ25 ìì………L = 108 ìì……….m = 0,030 êã
- d = 40õ32 ìì………L = 108 ìì……….m = 0,040 êã
- d = 50õ25 ìì………L = 130 ìì……….m = 0,060 êã
- d = 50õ32 ìì………L = 130 ìì……….m = 0,066 êã
- d = 50õ40 ìì………L = 130 ìì……….m = 0,074 êã
- d = 63õ32 ìì………L = 145 ìì……….m = 0,100 êã
- d = 63õ40 ìì………L = 145 ìì……….m = 0,100 êã
- d = 63õ50 ìì………L = 145 ìì……….m = 0,133 êã
- d = 75õ50 ìì………L = 166 ìì……….m = 0,175 êã
- d = 75õ63 ìì………L = 166 ìì……….m = 0,200 êã
- d = 90õ50 ìì………L = 180 ìì……….m = 0,250 êã
- d = 90õ63 ìì………L = 180 ìì……….m = 0,355 êã
- d = 90õ75 ìì………L = 180 ìì……….m = 0,450 êã
- d = 110õ63 ìì……..L = 198 ìì……….m = 0,500 êã
- d = 110õ75 ìì……..L = 183 ìì……….m = 0,500 êã
- d = 110õ90 ìì……..L = 205 ìì……….m = 0,533 êã
- d = 125õ63 ìì……..L = 190 ìì……….m = 0,608 êã
- d = 125õ75 ìì……..L = 200 ìì……….m = 0,606 êã
- d = 125õ90 ìì……..L = 205 ìì……….m = 0,730 êã
- d = 125õ110 ìì……L = 205 ìì……….m = 0,962êã
- d = 140õ90 ìì……..L = 225 ìì……….m = 0,980 êã
- d = 140õ110 ìì……L = 225 ìì……….m = 0,1000 êã
- d = 140õ125 ìì……L = 225 ìì……….m = 1,210 êã
- d = 160õ90 ìì……..L = 230 ìì……….m = 1,210 êã
- d = 160õ110 ìì……L = 230 ìì……….m = 1,390 êã
- d = 160õ125 ìì……L = 230 ìì……….m = 1,400 êã
- d = 160õ140 ìì……L = 235 ìì……….m = 1,910 êã
- d = 180õ125 ìì……L = 300 ìì……….m = 0,066 êã
- d = 180õ140 ìì……L = 300 ìì……….m = 2,050 êã
- d = 180õ160 ìì……L = 300 ìì……….m = 2,200 êã
- d = 200õ125 ìì….…..L = 320 ìì……….m = 2,830 êã
- d = 200õ140 ìì….…..L = 320 ìì……….m = 2,880 êã
- d = 200õ160 ìì….…..L = 320 ìì……….m = 3,000 êã
- d = 200õ180 ìì….…..L = 320 ìì……….m = 3,200 êã
- d = 225õ110 ìì…..….L = 315 ìì……….m = 3,020 êã
- d = 225õ125 ìì……...L = 315 ìì……….m = 3,120 êã
- d = 225õ160 ìì……...L = 315 ìì……….m = 3,100 êã
- d = 225õ180 ìì……...L = 315 ìì……….m = 3,260 êã
- d = 225õ200 ìì……...L = 315 ìì……….m = 3,620 êã
- d = 250õ160 ìì……...L = 315 ìì……….m = 4,100 êã
- d = 250õ180 ìì……...L = 340 ìì……….m = 4,300 êã
- d = 250õ200 ìì……...L = 340 ìì……….m = 4,500 êã
- d = 250õ225 ìì……...L = 365 ìì……….m = 4,800êã
- d = 280õ180 ìì……...L = 345 ìì……….m = 5,600êã
- d = 280õ200 ìì……...L = 365 ìì……….m = 5,800êã
- d = 280õ225 ìì……...L = 365 ìì……….m = 7,200 êã
- d = 280õ250 ìì……...L = 385 ìì……….m = 8,000 êã
- d = 315õ225 ìì……...L = 370 ìì……….m = 10,700 êã
- d = 315õ250 ìì……...L = 380 ìì……….m = 11,600 êã
- d = 315õ280 ìì……...L = 380 ìì……….m = 11,800 êã
- d = 355õ250 ìì……...L = 370 ìì……….m = 12,800 êã
- d = 355õ280 ìì……...L = 370 ìì……….m = 13,000 êã
- d = 355õ315 ìì……...L = 380 ìì……….m = 13,200êã
- d = 400õ225 ìì……...L = 390 ìì……….m = 20,100êã
- d = 400õ280 ìì……...L = 400 ìì……….m = 21,000êã
- d = 400õ315 ìì……...L = 400 ìì……….m = 18,500 êã
- d = 400õ355 ìì……...L = 410 ìì……….m = 19,300 êã
ÏÅÐÅÕÎÄ ÏÎËÈÝÒÈËÅÍÎÂÛÉ ÏÝ100 SDR17 - d = 90/63 ìì…………L = 180 ìì……….m = 0,250 êã
- d = 110/63 ìì………..L = 198 ìì……….m = 0,400 êã
- d = 110/75 ìì………..L = 183 ìì……….m = 0,420 êã
- d = 110/90 ìì..............L = 205 ìì……….m = 0,490 êã
- d = 125/63 ìì………..L = 210 ìì……….m = 0,550 êã
- d = 125/75 ìì………..L = 200 ìì……….m = 0,540 êã
- d = 125/90 ìì………..L = 205 ìì……….m = 0,600 êã
- d = 125/110 ìì………L = 205 ìì……….m = 0,650 êã
- d = 140/90 ìì………..L = 225 ìì……….m = 0,750 êã
- d = 140/110 ìì............L = 225 ìì……….m = 0,820 êã
- d = 140/125 ìì............L = 225 ìì……….m = 0,850 êã
- d = 160/90 ìì..............L = 230 ìì……….m = 0,880 êã
- d = 160/110 ìì............L = 230 ìì……….m = 0,910 êã
- d = 160/125 ìì……….L = 230 ìì……….m = 1,000 êã
- d = 160/140 ìì.............L = 235 ìì……….m = 1,200 êã
- d = 180/125 ìì……….L = 300 ìì……….m = 1,700 êã
- d = 180/160 ìì……….L = 300 ìì……….m = 1,900 êã
- d = 200/125 ìì............L = 320 ìì……….m = 2,100 êã
- d = 200/160 ìì……….L = 320 ìì……….m = 2,250 êã
- d = 225/110 ìì……….L = 315 ìì……….m = 2,000 êã
- d = 225/160 ìì……….L = 315 ìì……….m = 2,300êã
- d = 225/180 ìì……….L = 380 ìì……….m = 2,600 êã
- d = 250/160 ìì……….L = 315 ìì……….m = 3,400 êã
- d = 250/180 ìì……….L = 340 ìì……….m = 3,740 êã
- d = 250/200 ìì……….L = 340 ìì……….m = 3,150 êã
- d = 250/225 ìì……….L = 360 ìì……….m = 4,500 êã
- d = 280/180 ìì……….L = 345 ìì……….m = 4,900 êã
- d = 280/200 ìì……….L = 365 ìì……….m = 5,100 êã
- d = 280/225 ìì……….L = 370 ìì……….m = 5,300 êã
- d = 280/250 ìì……….L = 370 ìì……….m = 5,300 êã
- d = 315/225 ìì……….L = 370 ìì……….m = 9,800 êã
- d = 315/250 ìì……….L = 385 ìì……….m = 10,500 êã
- d = 315/280 ìì……….L = 385 ìì……….m = 8,800 êã
- d = 355/250 ìì……….L = 370 ìì……….m = 14,200 êã
- d = 355/280 ìì……….L = 370 ìì……….m = 12,400 êã
- d = 355/315 ìì……….L = 380 ìì……….m = 11,000 êã
- d = 400/280 ìì……….L = 400 ìì……….m = 21,500 êã
- d = 400/315 ìì……….L = 400 ìì……….m = 16,000 êã
- d = 710/630 ìì……….L = 550ìì………..m = 66,200 êã
- d = 800/630 ìì……….L =570 ìì………..m =83,000 êã
- d = 900/710 ìì……….L = 620 ìì……….m =130,000 êã
|