预制件的工艺要求Technology of cable penetration
1.电缆贯穿件Cable transit
若托盘表中没有特别注明，贯穿件的材料为普通A级钢。
贯穿件制成后，将锐边及毛刺打磨，并进行防腐蚀处理，一般涂防锈底漆二度。The material of penetration is ordinary steel (class A) in generally, if no specify.
The transit should be grinded, and coating two layers.
普通电缆贯穿件(无防火，及水密要求) 见下图1
Ordinary transit (no-fireproof no-watertight) see drawing 1.
1.1普通电缆框Horizontal ordinary transit
表示方法Express： DK L×B×H×δ
DK--普通电缆框Horizontal ordinary transit
1.2普通电缆筒（无防火，水密要求）见下图1。
Vertical ordinary transit (no-fireproof no-watertight)see drawing 1.
表示方法Express： DT L×B×H×δ
DT --普通电缆筒Vertical ordinary transit
L—长length B—宽wide H—高high δ—板厚thickness
小型普通电缆框、筒可用镀锌管压制代用。
Mini ordinary transits can be taken placed by pressed galvanized tube.
1.3耐火电缆框Fire-proof horizontal transit
表示方法Express： AWn L×B×250×δ
AW--耐火电缆框Fire-proof horizontal transit
L—长length B—宽wide 高height--250mmδ—板厚thickness
n—耐火等级详见下表type number, see followed table
标记示例Signature:
A W n────型式序号fire-proof grade
└───────无机型填料watertight
└───────── A级水密耐火结构fire-proof mark 制作双侧型耐火电缆框(灌注孔和透气孔在舱壁两侧)的具体要求如下图2:
一般情况下，选用如图2的耐火电缆框。
Double side fireproof transit (perfusion hole and ventilate hole in two sides), see: drawing 2: In generally, this kind of fire-proof transit will be priority used (see drawing 2),
图 2 AW1，3 双侧型耐火电缆框
若为保证电缆必要的弯曲半径，在某些特殊区域，可选用如图3的单侧型耐火电缆框(灌注孔和透气孔在舱壁同侧)。
For keep the necessary bend radius, use the Fireproof transit of single side ( perfusion hole and ventilate hole be same side deck) in some special space. see drawing 3.
图3 AW1，3 单侧型耐火电缆框
1.4耐火电缆筒Vertical fireproof transit
表示方法为express: AWn L×B×215×δ
AWn耐火电缆筒Vertical fireproof transit
L—长length B—宽wide height高215mmδ--板厚t hickness
n—耐火等级详见下表type number, see followed table
电缆筒高度固定为the is fixed：215mm
AW1、AW2型的电缆贯穿件的制作、安装要求同AW3、AW4型的贯穿件，只是在填料结束后，在船体包覆耐火绝缘层的一侧包覆耐火绝缘毡。包覆厚度按舾装专业的防火绝缘布置图的相应要求来定，一般不低于40mm厚。
Requirement as following drawing 4:
Make and installation of AW1、AW2is same as AW3、AW4, after stuffing ,the difference is only covered fireproof insulation. The thickness not less than 40mm normally, the detail is according to fireproof insulation drawing.
DRAWING 4
1.5电缆管见下图5 Cable pipe ( see: drawing 5).
电缆管用镀锌钢管切割或弯制成，分直管和弯管两种，切口的毛刺及锐边打磨光滑。直管用于单根电缆的贯穿, 弯管用于多根电缆的贯穿。直管上口须根据电缆外径配相应尺寸的
填料函。机舱或露天区域用热缩套管密封，其它区域用橡皮泥封堵。露天甲板的电缆管须配相应规格的套管以防腐蚀。
Cable pipemade of galvanized steel tube, there are two types, one is straight pipe with gland for single cable, another is goose neck pipe for multi-cables. The cut edge should been grinded to smooth. The tube stuff using thermal shrink tube in E/M or on open deck, for other area, the pipe should been stuffed plasticene.
表示方法为Express: DGФ×H
Ф--管子通径diameterH---高height
1.6填料函见下图6Cable gland ( see: drawing 6).
单根电缆需贯穿B-0级水密壁时,可采用填料函并加焊长100的钢管。
Single cable passes through WT B-0 class bulkhead, the gland can be welded on
