A: Packsystem chamber tolerances after welding D±1mm · A5 In the case of external pipe diameters...
Transcript of A: Packsystem chamber tolerances after welding D±1mm · A5 In the case of external pipe diameters...
A5
In the case of external pipe diameters > 40 mm, position wedge seal KAD between the largest pipes.
Validity: Bulkhead and deck installation of fire class A [0-15-30-60] according to IMO Resolution A.754 [18]; applies to all GK frames with KAD wedge seal as sealing element. Technical descriptions must be taken from the current packing system catalogue or are available on request. VG88717 must be taken into consideration for marine projects. Current certificates (Approvals & Fire insulation arrangements) as well as the GK welding instructions must be taken into account. In cases of uncertainty, the regulations of the flag state administrations must be observed. Installation should only be carried out by trained personnel. The installer must comply with the applicable regulations and state of the technological art. Updated information can be found at : http://www.roxtec.com/de/products/„GK Marine Products“
Module selection: an important step in the installation process is the determination of the individual cable diameters. Seven module si-zes for diameters from 4 to 98 mm and eight filling modules are available to choose from.
GK Packing SystemMounting Instructions
Frame types SPK (-F, -R, -S30, -S50)(single/groups) size 2, 4, 6 and 8
Chamber width D = 60 to 180 mm
A10
Guide cables straight through the frame without a radius. Do not break, cut or divide the modules and accessory parts!
A9
The system depth is 60 mm. Modules must be installed parallel to the KAD. Align the modules flush with the front of the packing frame!
ra
A8
Lightly coat the contact surfaces of all modules and accessory parts with GK installation Lubricant.
A1
Clean the internal surfaces of the packing-frame and treat with preservative if neces-sary.
A3
Lightly coat the interior surfaces of the frame with GK installation Lubricant, removing any excess!
A4
Prior to installation of the cable, determine the maximum occupancy and reserves using the GK Software Tool or planning sheet. Only use one cable per module pair. Route cables and pipes into separate chambers. There must be no overcrowding.
The nominal diameter of the modules is embossed on the inside. The correct choice of module yields an approx. 1 mm gap between the module halves. If the cable diameter is between two module sizes, two neighbouring sizes can be combined (e.g. MH-40/30 with 40/31). Where there are 8 identical diameters in the diameter range of 7 - 11 mm, corresponding MPL (module plates) can be used.
A7
A2
Prior to assembling the cable, check the interior dimension of the chamber. Compli-ance with the impermeability tolerances is absolutely essential.
D
Welding of the packing frame is carried out with minimal distortion. Dimensions and tolerances after welding and paint structure (max. 100mm per interior surface).
chamber tolerances after welding D±1mm
SPK-60
60
SPK-S30
120
SPK
120
SPK-S50
120
SPKh-120
120
SPKh-180
180
In the case of frames with rounded corners, use suitable radius adapters or radius modules. For penetration with pressure requirements, seal no more than two layers of modules in the radius areas and accomplish with VAS. The KAD and VAS can only be used after the radius!
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A: General assembly information for all applications
PacksystemPacksystem
Packsystem
A2 info
A6
A4 info
r
r
too small
too large
MPL-120x7,5-8x ø
A7 info
$Ca. 1 mm
60 mm
A11
SPKhSPK-S50
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Only use one module size per row! Radius areas are filled in accordance with A11.
B3
Fill packing chambers row by row by using corresponding modules, filling modules and accessories.
B4
Remove the VASK before continuing with installation. The pre-press time should be > 60 minutes in order to be effective.
In the case of pressure requirements: Filling modules FM for filling up the packing chambers must be no larger than FM-60/00!
B6 B7
One wedge seal KAD for each chamber width (see A2 info): KAD-60, KAD-120 and KAD-180 (relaxed height = 40 mm)
B12
Prior to installation, coat the gliding surfaces of the KAD (wedge seals), especially the wedges, with GK installation Lubricant!
B13
Fill up module rows with cable or filling modules or ZWP up to „Hmax“, using additional VAS if required!
The remaining space (min. 40 mm) will be required for the KAD. Do not use any VAS between the frame and the KAD!
B9 B10
Pull the cables into the packing chamber. Module installation starts on the bottom row. Every module series ends with VAS-Metal anchor plates.
If VAS-Metal are above or below, do not place them directly on the packing frame. Use a ZWP (tween plate) of at least 3 mm.
B2B1
The air gaps are reduced thanks to prior compression, making further installation easier. If instal-lation is interrupted, the modules are secured using the VPH (pre-press tool) and VASK (anchor clutch). The VPH can be removed; the modules will remain pressed into position.
B5
Before packing height „Hmax“ is reached, all required VAS-Metal must be predictively installed (VAS-Metal are counted with 0,5 mm for „Hmax“ !) Further VAS-Metal may be necessary for the installation of the KAD (wedge seal).
B8
If there are pressure requirements, comply with packing height „Hmax“ in order to achieve the required pressing force for the KAD! Fill up with ZWP (tween plates) or filling modules. In the case of ZWP greater than 5 mm, use VAS-Metal. Where type SPKh- are used, modules in the radius are not taken into account for „Hmax“.
B: Installation in bulkhead and deck with pressure requirement (gas and water-tight) only metal anchor plates VAS-Metal
Slide in the KAD until it stops. The KAD can be positioned anywhere; within the (radius) frame, the KAD is installed between two VAS.
B14
Tighten KAD nuts equally (using the wedge tool): Tighten „type A“ until the thread lies flush with the nut, and „type B“ special nut until it stops. Module offset max. 3 mm, do not place on the VAS edge! The compression process is OK if all visible gaps are closed, cables are pressed firmly between the module halves and GK installation Lubricant is oozing out. Maximum seal tightness is reached after 24 h!
$VPH
$
VASK
B8 info packing height =“Hmax“
B14 info
$Max. 3 mm
$$
Type A
Type B$
Wedge-Tool
VPH
B5 info
VASK
wrench width SW24
min 100 mm
allen wrench (3mm) is enclosed in VASK
VAS-Metal
20,05,0 = ZWP2,5 = 5x0,5 VAS-Metal
30,030,0
40,0
60,0
187,5 mm
Hmax
SPK-6x1
Example SPK-S50: packing height ‚Hmax‘ = H1+H2
Hmax:SPK-S50=80SPK =60
H2
H1
+
120
2
H2
H1
+
120
4
Hmax=120-125
120
6
H2
H1
+
Hmax=185-190
120
8
H2
H1
+
Hmax=250-255
B11
C2 C3
VAS-HF are required to align the modules. Fill packing chambers row by row by using corresponding modules, filling modules and accessories.
In the case of transits without pressure requi-rements, up to two layers of modules can be installed per row between the VAS-HF (e.g. 60 & 4 x 30 or 40 & 4 x 20).
C4
Remove the VASK before continuing with installation. The pre-press time should be > 60 minutes in order to be effective.
C6
Packing height „H“: VAS-HF are taken into account with 1 mm per VAS-HF. The permissible packing height lies between „H“ and „Hmax“ (see B11).
C8
If there are no pressure requirements, comply at least with packing height „H“ in order to achie-ve the required pressing force for the KAD! Fill up with ZWP (tween plates) or filling modules. From a ZWP row of 5 mm, end with a VAS. Where type SPKh- are used, modules in the radius are not taken into account for „H“. The correct packing height lies between „H“ and „Hmax“ (see B11).
Pull the cables into the packing chamber. Module installation starts on the bottom row. Each module row is sealed with a VAS-HF (plastic anchor plate).
C1
The air gaps are reduced thanks to prior compression, making further installation easier. If instal-lation is interrupted, the modules are secured using the VPH (pre-press tool) and VASK (anchor clutch). The VPH can be removed; the modules will remain pressed into position.
The remaining space (min. 40 mm) will be required for the KAD. Do not use any VAS between the frame and the KAD!
C7
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C: Installation in bulkhead and deck without pressure requirement (only smoke tight) with plastic anchor plates VAS-HF
C5
$VPH
$
VASK
Tighten KAD nuts equally (using the wedge tool): Tighten „type A“ until the thread lies flush with the nut, and „type B“ special nut until it stops. Module offset max. 3 mm, do not place on the VAS edge! The compression process is OK if all visible gaps are closed, cables are pressed firmly between the module halves and GK installation Lubricant is oozing out. Maximum seal tightness is reached after 24 h!
Slide in the KAD until it stops. The KAD can be positioned anywhere; within the (radius) frame, the KAD is installed between two VAS.
C12
Prior to installation, coat the gliding surfaces of the KAD (wedge seals), especially the wedges, with GK installation Lubricant!
C11
One wedge seal KAD for each chamber width (see A2 info): KAD-60, KAD-120 and KAD-180 (relaxed height = 40 mm)
C10
C12 info
$Max. 3 mm
$$
Type A
Type B$
Wedge-Tool
VPH
C5 info
VASK
wrench width SW24
min 100 mm
allen wrench (3mm) is enclosed in VASK
Example SPK/ S-50: packing height ‚H‘ = H1+H2 C9
H=6
0 2120
H :SPK-S50=80SPK =60
120
H2
H1
8
+
H=120
120
6
H2
H1
+
H1+H2=180
H1+H2=240
H=
120
120
4
C8 info packing height =“H“
VAS-HF
Hmax
SPK-6x1
20,0
5,0 = 5x1,0 VAS-HF
30,030,0
40,0
60,0
185,0 mm
The GK toolbox, containing various practice-inspired tools, makes installing packing systems easier. It includes pre-press tools of various sizes, installation tools and specific measuring tools.
Remove the KAD and only reuse it if the KAD is undamaged and intact. Intact VAS-Metal can be reused!
D3
In the case of transits without a pressure requirement, fill up the affected row comple-tely with new modules, and with a pressure requirement fill up the frame completely with new modules and accessories.
D4
Lubricant module halves, insert the lower module halves into the frames, insert the upper halves at a slight angle into the frames and press in with slight pressure or a short blow with the hammer.
D5
Re-Lubricant the KAD before installation. Only use undamaged KAD. Important: Follow steps B14 info and C12 info carefully! Maximum pressure resistance is reached after 24 h!
To open the packing chamber, loosen the KAD nuts one by one and, with hammer blows on the nut(s), loosen the KAD wedges until the KAD is completely relaxed.
D1
Using a flat object, loosen the KAD plates from VAS or modules and unclamp the KAD at the 40 mm starting height.
D2
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Roxtec GmbHNeuer Höltigbaum 1-3, 22143 Hamburg, GERMANYTEL + 49 (040) 657398-0, FAX + 49 (040) 657398-50EMAIL [email protected], www.roxtec.de
DISCLAIMER (For GK Packing System Mounting Instruction)”The GK cable and pipe entry sealing system (“the GK Packing System”) is manufactured by Roxtec. This GK Packing System is a modular based system of sealing products consisting of different compo-nents. Each and every one of the components is necessary for the best performance of the GK Packing System. It has been certified to resist a number of different hazards. Any such certification, and the ability of the GK Packing System to resist such hazards, is dependent on all components that are installed as a part of the GK Packing System. Thus, the certification is not valid and does not apply unless all components installed as part of the GK Packing System are manufactured by or under license from Roxtec (“authorized manufacturer”). Roxtec gives no performance guarantee with respect to the GK
Packing System, unless (I) all components installed as part of the GK Packing System are manufactured by an authorized manufacturer and (II) the purchaser is in compliance with (a), and (b), below. (a) Du-ring storage, the GK Packing System or part thereof shall be kept indoors in its original packaging at room temperature. (b) Installation shall be carried out in accordance with GK Packing System installation instructions in effect from time to time. The product information provided by Roxtec does not release the purchaser of the GK Packing System, or part thereof, from the obligation to independently determine
the suitability of the products for the intended process, installation and/or use. Roxtec gives no guarantee for the GK Packing System or any part thereof and assumes no liability for any loss or damage whatsoever, whether direct, indirect, consequential, loss of profit or otherwise, occurred or caused by the GK Packing System or installations containing components not manufactured by an authorized
manufacturer. Roxtec expressly excludes any implied warranties of merchantability and fitness for a particular purpose and all other express or implied representations and warranties provided by statute or common law. User determines suitability of the GK Packing System for intended use and assumes all risk and liability in connection therewith. In no event shall Roxtec be liable for consequential, punitive,
special, exemplary or incidental damages.”
GK Toolbox
D: Dismantling and changes in the reverse sequence (see A; B; C)
General note:The GK packing system is a type-approved and safety-relevant element of shipbuilding and must be used accordingly. Initial installation puts the plastic material
under considerable compressive force and distorts it to a degree in order to achieve the required fire resistance class and any required pressure resistance. Depending on the time, temperature and other environmental influences, material that has already been installed should not be reused in cases of uncertainty.
Corrections to incorrectly installed transits must be made promptly after initial installation before the Lubricant agent has dried and the installation shows signs of setting.
D6