The new pressure test device combines three test methods in one electronic device. General test rules” individual selectable acc. requirements from the customer - The requirement from Deutsche Telekom acc. “ZTV-TKNETZ 40” - The low-pressure test acc. EN 1610:2015 as well as worksheet DWA-A-139:2009
The high-pressure test is presently the most frequent test method in the range of pressure tests for protective ducts. This test method will be performed at thick-walled protective ducts and subducts (micro ducts). With regards to the protective ducts, ducts with OD 50/40/32 mm are most frequently used application. For subducts a wider range of ducts can be tested from 7x1,5 until 20x2,5 mm. The high-pressure test distinguish between two different targets:
Verification of optimal blowing-in performance, which is guaranteed only by a pressure-tight duct system (short-term target)
Assurance of pressure-tight duct, the joints and connectors against water intrusion and the subsequent intrusion of soiling with sand. This results in incrustations, which causes problems during the blowing-in process and possibly later at blowing-out of cables (long-term target)
The DPG 17U Universal pressure test device for test of cable ducts with regards to protective ducts and subducts working in the range of 0…7 bar. The operation is made by a 7” colour-graphic-touch display. The new device support the user through a simple and menu-driven operation. With the help of a matrix (table) three different test methods can be selected. Those are “General test rules” individual selectable acc. requirements from the customer, the requirement from Deutsche Telekom acc. “ZTV-TKNETZ 40” and the low-pressure test acc. “EN 1610:2015”. This results in a maximum support for the user.
The result of the pressure test is summarized in a clear test protocol with three core areas. The test protocol will be stored on the device and can be loaded by a USB-interface to a customary PC.
Discover the new functions with the Union Connect app! You can now transfer your created PDF reports directly to your mobile phone or tablet via Bluetooth. In addition, the app enables remote control of the DPG 17U via Remote Control and the inclusion of GPS data in the log. These additional features are now available free of charge for 2 years when you purchase a new device or take advantage of services such as calibration or repair at Vetter. After the 2 years have expired, you can continue to use the functions by renewing them for a fee. Please note that the app is currently only available and released on Android devices. Stay connected and informed with the Union Connect app!
The left shown 1. protocol shows a passed test “Test criteria fulfilled”
The left shown 2. protocol shows a failed test “Test criteria not fulfilled”
Upper area: General data like: Contracting company with name of operator, construction site, duct, temperature, times, measurement data with calibration status
Middle area: Result of the pressure test through colour-marked message: “Test criteria fulfilled” or “Test criteria not fulfilled”
Lower area: Graph with the two phases settling time and main test
Pressure test distribution units for high-pressure tests of 1 duct OD 7 to 110 mm for protective ducts and subducts (micro ducts).
With regards to the protective ducts the 50x4.6 duct is the most frequently used application. For subducts a wider range of ducts can be tested from 7x1.5 until 20x2.5 mm. For the connection of the ducts the right accessories have to be used to perform the test.
Pressure test distribution units for high-pressure tests of 1-12 subducts (micro ducts).
A wider range of subducts can be tested from 7x1.5 until 20x2.5 mm. For the connection of the ducts the right accessories have to be used to perform the test.
Reducing coupling D 10-7, with duct 10x2/100, for D-OD 7 mm, for coupling subduct OD 7 mm with pressure test distribution units DPV 12, necessary to order 275750 DAK 10.
Testing manometer 10 bar, as end section of cable conduits, for high pressure tests, with safety coupling 42 mm. For air distribution devices DPV 1 + DPV 4. Max. air pressure 7 bar. To apply with conduit plugs KRA 20-110.
Testing manometer 10 bar, as end section of subducts for high pressure tests, with safety coupling NW 7,4. For air distribution devices DPV 12. Max. air pressure 7 bar. To apply with conduit plugs AKS 10-20.
Conduit calibration and leakage-test unit. Calibration and leakage-test before starting the cable blowing-in procedure is the safest guarantee for successful installation of fibre optic cables. Unit consisting of:
Compressed air regulator with adjustable tripod.
6 m high pressure hose, calibre D 35, transmitter, for duct-D 50x4,6.
All other diam. of calibres are available, please see extensions below.
With conduit plug and catch box for the piston.
With electronic detector 33 kHz . Compl. set in alu-case 780x380x330.
The calibration sets MKV 0810 and MKV 1116 in conjunction with the accessory micro- transmitter SKS 06 (code-no. 231941) and SKS 07 (code-no. 231954) are destined for the calibration of subducts with an internal diameter 8,0 to 16,0 mm. The calibration can be done for single subducts as well as for multi subducts. By the calibration defects or blockages on the subducts can be detected in advance thus a good blowing-in performance can be achieved.
The MKV 0810 set contains two calibres with different diameters for the calibration of subducts with internal diameter 8,0 or 9,8-10,0 mm. The MKV 1116 set contains three different calibres for testing subducts of ID 11,4-16,0 mm. The calibres are easily screwed onto the micro-transmitter and blown through the subducts by air-pressure. The set also contains all essential connectors, reducing nipples as well as a catcher for the micro-transmitter. The catcher has to be used in order to avoid damages to the micro-transmitter. The air-pressure for the calibration has to be limited to max. 4 bars for MKV 0810 and to max. 2 bars for MKV 1116. By applying a higher pressure the micro-transmitter might be damaged by hitting duct blockages or by hard crashing into the catcher at the very end. The set contains the following parts:
MKV 0810 with: each 3 calibre D 6,8 for ID 8,0 / 3 calibre D 8,5 for ID 9,8-10
MKV 1116 with: each 3 calibre D 9,5 / ID 11,4-12 / 3 calibre D 11,0 / ID 15-16 / 3 calibre D 12,5 / ID 15-16.
6 washers to each calibre
5 sponges for each calibre. 1 general catcher and different connectors and duct-reducers
Depending on the duct diameters different air connectors are necessary, see the following tables.
The calibration set MKK 0606 in conjunction with the micro transmitter SKS 04 is foreseen to calibrate subducts with inner diameter D 6.0 mm only. The calibration can be performed for single subducts as well as for multi subducts in buried and protective pipe installed versions. This new calibration set supports the blowing-in of mini- and micro cables on a completely new level since the quality of a sub duct installation can be checked in general.
The set comprises of 3 calibres with protection sponge having a diameter of 4.8 mm, a collecting device for the pipe end, a spare battery cover and 2 spare batteries.
The calibre will be simply unscrewed on the micro transmitter and with the sponge ahead blown-into the pipes using compressed air. The micro transmitter is a precision engineered measuring device, which has to be handled in the civil engineering with special care. Never operate the transmitter without protection sponge, bumper and collecting device fixed at the end of the pipe. Attentions should be paid to max. possible bending radius and air injection pressure ??" too high air pressure can cause damages on the calibration set.
During backward blowing the enclosed collecting device has to be used or at least a sufficient padding of another collecting device shall be implemented.
Calibration set MKK 0606 including 3 calibres D 4,8 for ID 6,0 mm
20 sponges and collecting device at the pipe end for collection of the calibre
1 Micro Transmitter SKS 04, detection frequency 33 kHz, sensitivity in earth max. 2,0 m
Max. injection pressure 5 bar, 4 bar is sufficient for horizontal routes
Min. bending radius for subducts 175 mm, smaller radius cause unavoidable a blockage
Batteries of the larger micro transmitter SKS 06 are used
The catching device guarantees that the micro-transmitter is safely caught at the end of the tube and does not hit the ground unprotected.
The micro transmitter enters the catching device and is caught in the circular guide until it comes to a stop. This prevents the micro transmitter from being damaged or destroyed.
Suitable for tube outer Ø 7-22 mm
Particularly suitable for blowing back the microphone transmitter
Shut-off bladders to lock off the pipeline to be tested. Shut-off bladders are used on the opposite side of the test location. The short dimensions of the Mini version allow space-saving installation of pipe bends also.
Foot pump with double stroke and safety valve 2.5 bar to inflate SBM shut-off bladders and PBM test bladders. The use of a second foot pump for the second pipe end saves considerable installation time.
