Layer akọkọ: Pipe Hoseless (GB8163-87) Spiral Welded Pipe (GB5028-92) ati Awọn ibeere Onibara (GB3092-93). Lẹhin oke ti paipu irin ti wa ni mu nipasẹ ilana ikọlu irin ti ilọsiwaju, paipu ti o ni ilọsiwaju le de ọdọ R=12.5 M. microns ni Son6060.5-88.
Isalẹ keji: Layer idaabobo polyuretiane pẹlu ẹrọ fooamu titẹ ninu iho ti a ṣẹda laarin tube irin ti o wa ninu adipi iṣura iṣura ṣiṣu. Ni igbagbogbo wọpọ ti a mọ bi "tube ninu ilana foomuing foomuing". Ipa rẹ jẹ mabomire, meji jẹ itọju ooru, mẹta ni lati ṣe atilẹyin iwuwo ti apapọ ooru. When the temperature of the conveying medium is-50℃- -120℃, the rigid polyureate foam plastic is used as the insulation layer.
Layer kẹta: Layer ti o ga julọ Polfelyle Prive Prepirated sinu dudu (ofeefee) ti o nipọn ti o nipọn, o jẹ egboogi-ipakokoro ati mabomire.
Awọn ohun elo jaketi polyethylene ni a ṣe ti iwuwo polyethylene giga, pẹlu agbara ẹrọ giga giga ati lorosistance alailẹgbẹ, eyiti o le daabobo Pipe ni ilana gbigbe, fifi sori ẹrọ ati lilo lati yago fun ibajẹ ti ita ti ita. O yẹ ki o ṣafikun tubu tube yẹ ki o ṣafikun pẹlu antioxidant, oludoti ultraviziz ati dudu agbona.
Ti ko da lori pipe pipese pipesation ti pin si awọn fẹlẹfẹlẹ mẹta lati inu si ita
Jul 13, 2023
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