SR-JOINT AB-JOINT Construction
SEOWON AUST PTY LTD
Catalogue 2014
DRP SR-JOINT DRP AB-JOINT
What is DRP-JOINT?
What is DRP-JOINT? Dual Ring Press Joint (DRP-JOINT) is a collective term that includes SRJOINT, AB-JOINT, SM-JOINT, CS-JOINT, CP-JOINT, and CN-JOINT, which are differentiated by materials used to make their metal rings. DRP-JOINT uses 360째 circular pressing method to compress two rings, which consist of rubber ring and metal ring. The outstanding performance of the circular pressing method has been proven through tensile test and pressure-proof test, leading DRP-JOINT to be used in building, ship, drill ship and generation plan constructions and other fields for several years. Having been used in building construction sector for more than 20 years, and for over 8 years in the vessel sector starting from the first Aegis Destroyer of Korean Navy, DRPJOINT has received high recognition from customers. SR-JOINT is the trademark of Seowon Aust PtyLtd. 2
CONTENTS
•
Structure
P4
•
Characteristics
P6
•
Cost-Saving Effect
P9
•
Application
P10
•
Products
P11
•
Certification
P20
•
Tools
P28
•
Installation guide
P30
•
Important Notes
p34
•
Clients
3
DRP SR-JOINT DRP AB-JOINT
STRUCTURE
SR-JOINT Sectional Detail SR-JOINT
PIPE
Stainless Ring • •
Prevents joint from separating from pipe Safe from shock and vibration due to circular pressing method Specifications
Material
Stainless Pipe
KS D 3595, KS D 3576 SCH5/SCH10/SCH40
STS 304 TPD, STS 316 TPD
Stainless Ring
KS D 3698, KS D 3705
STS 304-CP, STS 316-CP
Quality Certification • •
Collective Standard Certification from KWWA (SPS KWWA D 100-2-0719) Hygiene & Safety Standard Certification (KC) from KWWA (KCW-2012-0059) 4
DRP SR-JOINT DRP AB-JOINT
STRUCTURE
AB-JOINT Sectional Detail AB-JOINT
PIPE
Stainles s Rin g
Stainless Ring
R u bber Rin g
Rubber Ring (Side View)
Wi n g
• Prevents fluid leakage from joint • Durable for many years
Rubber Ring
Technical Abbreviation
EPDM
NBR
FKM
Material
Ethylene propylene
Nitrile Butadiene
Fluoro Elastomer
Operating Temperature Range
-40°C~120°C
-25°C~100°C
-25°C~200°C
Characteristics
High resistance to ozone, high durability, and long heat resistance life (80 years at 80°C)
High resistance to heat, ozone, wear; inferior strength and flexibility
High resistance to high temperatures, ozone, wear, and chemicals
Application Area
Portable water, cold & hot water supply, compressed air, water drainage, water heating system, fire sprinkler
Oil drain line
Solar water heating, fuels, mineral oil, oilfree compressed air
5
DRP SR-JOINT DRP AB-JOINT
CHARACTERISTICS
SHOCKPROOF STRUCTURE Passed shock-proof test under the following conditions: • Pressure of fluid : 2.5 Mpa • Amplitude of vibration : 1.16mm • Frequency : 20Hz • Duration : 168hr (7days) • Number of total vibration : 500,000 times (Tested on SM JOINT 15A)
SAFE FOR GROUND SUBSIDENCE LO A D LOAD SM-JOINT
SM-JOINT 25A
25A
Pressure of fluid: 25kgf/㎠
1,000 m m
1,000mm
DRP-JOINT passed the test for approval of tensile force of 15A 800kgf/㎠, 100A 6,000kgf/㎠ under the condition of fluid pressure 25kgf/㎠ which are designed specification. Test result shows that there is no fluid leakage when being bent up to 22.28 degrees. It means DRPJOINT ensures safety against ground subsidence and/or earthquake. ROTATION
360° ROTATE
WATER PRESSURE 25kgf/㎠
Rotation is possible in water pressure 25kgf/㎠. 6
DRP SR-JOINT DRP AB-JOINT
CHARACTERISTICS
DRP JOINT CHARACTERISTICS
1. Environment-friendly Products • Instead of welding, which has negative impact on the environment, DRP-JOINT uses an environmental-friendly pressing tool for installation.
2. Hygienic Products • DRP-JOINT uses the same stainless material used in food and medical equipments, and therefore it is the most hygienic product.
3. Installation • Installation does not require experienced workers. It takes 20 seconds or less to press 1 point (based on 25A).
4. Wide Range of Choices • Fittings are available in various sizes, including large size (100A).
5. Robustness • Circular pressing of metal ring allows DRP-JOINT to maintain the same pressure even after 360° rotation.
6. Safe from Vibration and Ground Subsidence • DRP-JOINT successfully passed two-million vibration tests. It also pass ed 22.28° bending test, which means that it is safe to bend the joint up t o 22.28°, according to Korean Agency for Technology and Standards (K ATS). 7
DRP SR-JOINT DRP AB-JOINT
CHARACTERISTICS
PROTECTIVE CAP • Prevents inflow of foreign substance into the pipe and protects from external shock PRESSING FILM • Visible to the naked eye before and after pressing • After pressing and removing pressing film, it is easy to differentiate pressed part from non-pressed part with the naked eye
PRESSING FILM
PROT ECTIVE CAP
PIPE INSERTION PIPE INSERTION
PRODUCT
PRESSING
AFTER PRESSING
REMOVE THE FILM AFTER PRESSING
BEFORE PRESSING
REMOVE FILM
CHECK
8
DRP SR-JOINT DRP AB-JOINT
COST-SAVING
1,20 0,000
Projected Cost
1,00 0,000 800, 000 S R – JOIN T
600, 000
S TA I NL ES S W E LD
SR – JOINT 23%
TUBE W ELD 32%
T UB E W EL D
400, 000
S T AINL ES S W E LD 45%
200, 000 0 P IP E
CLASSIFICATION
JOIN T
LAB OR TOTA L
SR – JOINT
STAINLESS WELD
TUBE WELD
PIPE
155,703
323,518
264,623
JOINT
117,209
86,028
74,348
LABOR COST
214,097
527,555
341,160
TOTAL
487,008
937,099
680,130
RATE
100 %
192 %
140 %
9
DRP SR-JOINT DRP AB-JOINT
APPLICATION in High-Rise Residential & Commercial
STANDING PIPE LINE
DRAIN LINE
10
STANDARD ITEM 90˚ ELBOW 45˚ ELBOW SOCKET TEE CAP WATER TYPE TEE WATER TYPE ELBOW WATER TYPE SOCKET WATER TYPE SOCKET K-UNION REDUCER ADAPTER ELBOW (MALE) ADAPTER ELBOW(FEMALE) ADAPTER SOCKET(MALE) ADAPTER SOCKET (FEMALE) SR FLANGE ANCHORE SOCKET WATER TEST CAP
SEOWON AUST PTY LTD
11
DRP SR-JOINT DRP AB-JOINT
90˚ ELBOW
TEE
WATER TYPE SOCKET
ADAPTER ELBOW (MALE)
STANDARD ITEMS
45˚ ELBOW
CAP
SOCKET
WATER TYPE TEE
KU(K-UNION)
ADAPTER ELBO W (FE MALE)
REDUCER
ADAPTE R SOCKET (MALE)
ADAPTER SOCKET (FE MALE)
WATER TEST CAP
WATER TYPE ELBOW
SR FLANGE
ANCHOR SOCKET 12
DRP SR-JOINT DRP AB-JOINT
STANDARD ITEMS
45˚ ELBOW
90˚ ELBOW
SOCKET
WATER TEST CAP
D
L
L1
L2
L3 TOLERANCE
13
DRP SR-JOINT DRP AB-JOINT
STANDARD ITEMS CAP
TEE
A1 A1 A2 A2 TOLERANCE TOLERANCE(L) (L)
L
L1 L1
15X 15
80
34
42
20
±3
20X 15
96
44
45
23
±3
20X 20
96
44
48
23
±3
25X 15
106
44
50
28
±3
25X 20
106
54
53
28
±3
25X 25
106
54
53
28
±3
32X 15
132
60
61
40
±3
32X 20
132
60
57
33
±3
32X 25
132
60
57
33
±3
32X 32
132
60
68
34
±3
40X 15
146
72
68
46
±3
40X 20
146
72
64
40
±3
40X 25
146
72
64
40
±3
40X 32
146
72
74
40
±3
40X 40
146
72
76
40
±3
50X 15
138
48
71
49
±3
50X 20
138
48
67
42
±3
50X 25
138
48
67
42
±3
50X 32
156
70
77
43
±3
50X 40
156
70
79
43
±3
50X 50
156
66
87
43
±3
65X 32
232
82
86
50
±5
65X 40
232
82
87
50
±5
65X 50
270
120
95
50
±5
65X 65
288
122
130
58
±5
15ⅹ ′′
80X 40
254
92
93
56
±5
80X 50
288
132
101
56
±5
80X 65
292
132
139
65
L
A
TOLERANCE(A)
L
TOLERANCE(L)
WATER TYPE TEE
THREAD PS P S THERAD
L
L
L1L1
AA
′′
40
41
18
20ⅹ ’’
′′
48
45
23
20ⅹ ’’
′′
48
45
23
±5
25ⅹ ’’
′′
53
48
28
25ⅹ ’’
′′
53
50
28
80X 80
288
132
145
65
±5
100X50
286
122
114
69
±5
53
53
28
100X65
324
166
151
77
±5
32ⅹ ’’
′′
66
52
33
100X80
324
166
158
77
±5
40ⅹ ’’
′′
73
59
36
100X100
324
166
160
79
±5
50ⅹ ’’
′′
69
62
24
25ⅹ 1’’
1’’
14
DRP SR-JOINT DRP AB-JOINT
STANDARD ITEMS WATER TYPE ELBOW
THREAD PS
L1
THERAD PS
L2
L1
A
L2
A
15ⅹ ′′
′′
50
51
28
20ⅹ ’’
′′
60
56
35
20ⅹ ’’
′′
60
56
35
25ⅹ ’’
′′
69
64
44
25ⅹ ’’
′′
69
65
44
69
69
44
25ⅹ 1’’
1’’
15ⅹ ’’(S)
′′
55
27
31
20ⅹ ’’(S)
′′
60
35
35
20ⅹ ’’(S)
′′
58
30
33
K-UNION
WATER TYPE SOCKET
THREAD PS
THERAD PS 15ⅹ ′′ 20ⅹ ’’
′′ ′′
L1
L2
56
33
L1
61
L2
34
20ⅹ ’’
′′
61
34
25ⅹ ’’
′′
62
35
25ⅹ ’’ 25ⅹ 1’’
′′ 1’’
62
36
66
39
L1
L1
L2
L
TOLERANCE
TOLERANCE
15ⅹ ′′
75
116
±3
20ⅹ ’’
80
126
±3
25ⅹ 1
80
132
±3
32ⅹ 1’’
90
145
±3
32ⅹ ’’
90
145
±3
40ⅹ ’’
90
149
±3
40ⅹ ’’
90
149
±3
50ⅹ ’’ 50ⅹ 2’’
90
155
±3
90
155
±3
15
ADAPTER ELBOW (MALE)
REDUCER
A
A
L
L
TOLERANCE
TOLERANCE(L)
20X 15
20
68
±3
25X 15
37
86
±3
25X 20
19
70
±3
32X 15
43
101
±3
32X 20
36
97
±3
32X 25
27
88
±3
40X 15
52
113
±3
40X 20
45
108
±3
40X 25
47
109
±3
40X 32
32
104
±3
50X 15
64
131
±3
50X 20
57
127
±3
50X 25
54
124
±3
50X 32
51
131
±3
50X 40
28
116
±3
65X 32
113
221
±5
65X 40
113
222
±5
65X 50
113
230
±5
80X 40
113
195
±5
80X 50
113
237
±5
80X 65
106
274
±5
100X50
126
219
±5
25ⅹ 1’’
100X65
135
289
±5
32ⅹ 1 ’’ 40ⅹ 1 ’’
100X80
135
295
±5
THREAD PT
THERAD PS
L1
L1
L2
L2
A
A
15ⅹ ′′
′′
50
53
28
20ⅹ ’’
′′
60
63
35
′′
69
75
44
25ⅹ 1’’ 32ⅹ 1 ’’
′′
88
84
54
40ⅹ 1 ’’
′′
100
96
64
115
112
72
50ⅹ 2’’
2’’
ADAPTER ELBOW (FEMALE)
THREAD PT PS L1 L1 THERAD
L2L2
AA
15ⅹ ′′
′′
50
46
28
20ⅹ ′′
′′
60
55
35
′′
69
66
44
′′
88
78
54
′′
100
88
64
115
99
72
50ⅹ 2’’
2’’
DRP SR-JOINT DRP AB-JOINT
STANDARD ITEMS
ADAPTER SOCKET (MALE)
THREAD THERADPTP S
L1L1
L2L2
ADAPTER SOCKET (FEMALE)
TOLERANCE(L) TOLERANCE (L)
THREAD PT P S THERAD
L1 L1
L2L2
TOLERANCE(L) TOLERANCE (L)
15ⅹ ′′
′′
61
37
±3
15ⅹ ′′
′′
52
29
±3
20ⅹ ’’
′′
67
41
±3
20ⅹ ’’
′′
57
31
±3
25ⅹ 1’’
′′
70
44
±3
25ⅹ 1’’
′′
59
33
±3
32ⅹ 1 ’’
′′
82
47
±3
32ⅹ 1 ’’
′′
73
37
±3
40ⅹ 1 ’’
′′
85
49
±3
40ⅹ 1 ’’
′′
74
37
±3
100
56
±3
50ⅹ 2’’
85
40
±3
50ⅹ 2’’
2’’
SR FLANGE
2’’
ANCHOR SOCKET
DRP SR-JOINT DRP AB-JOINT
HOT AGING TEST
BRITTLENESS TEMPERATURE TEST (-40℃)
CERTIFICATION
HEAT RESISTANCE TEST
BRITTLENESS TEMPERATURE TEST
20
DRP SR-JOINT DRP AB-JOINT
CERTIFICATION
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STRENGTH TEST
CERTIFICATION
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CERTIFICATION
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DRP SR-JOINT DRP AB-JOINT
ABS (U.S.A)
LR (ENGLAND)
CERTIFICATION
DNV (NORWAY)
BV (FRANCE)
GL (GERMANY)
NK (JAPAN)KR (KOREA)
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DRP SR-JOINT DRP AB-JOINT
TOOLS
Gun-Type Tools CLAMP COMBINATION PIN
SR-JOINT Tools
MANUALL Y RETURN BUTTON
K CLAMP(S,M)
COMB INA TION
K JAW (15A~60A)
S : SMALL / M : MEDIUM
AB-JOINT Tools
F CLAMP(S,M)
F JAW (15A~100A)
COMB INA TION Clam p is not compatible.
Gun-Type Tool Components JAW Box
Gun Box
15
20
25
32
40
50
GUN
CLAMP
BATTERY
CHARGER
1
1
1
1
1
1
1
1
2
1
Checking jig is included
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DRP SR-JOINT DRP AB-JOINT
TOOLS
Cylinder-Type Tools (SR-JOINT Tools)
COMBIN ATION (15A~100 A)
G2 LARGE SIZE TYPE COMBIN ATION (65A~100 A)
Cylinder-Type Tool Components TOOL BOX Small size tool tool box Small size box
1515 20 1
1
20
25
Cy linder 25Cylinder
1
1
Medium size tool box Medium size tool box
30 32
1
4040 50 1
1
50
Cylinder 1
e tool box LargeLarge sizesiztool box C ylinder
65
7580
1
1
80 100
1
Cylinder Pump
S/M/L Cylinder and JA W
SR Cutting Machine
Checking Jig
Cy linder 100 Cylinder
1
PUMP Pump
1
A Type
B Type
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DRP SR-JOINT DRP AB-JOINT
INSTALLATION GUIDE
1. SYSTEM DESCRIPTION APPLICATION AREA
Cold & Hot Water Supply, Heating, Drainage, Cold & Hot Water Pipe, Tap Water, Fire Sprinkler, Renovation & Remodelling 0℃ ~ 120℃
OPERATING TEMPERTURE MATERIAL
Light gauge stainless steel pipes for general piping (KS D3595), Stainless steel pipe (KS D3576) STS304
MATERIAL
(SCH/5,10,20,40),
STS 316L (SCH/5,10,20,40) FITTING
RUBBER RING METAL RING
EPDM( Ethylene Propylene Rubber) , KFM STS304, 316L
2. APPLICATION STANDARD Light gauge stainless steel pipes for general piping (15A~100A) Stainless steel pipe Collective Standard Certification Hygiene & Safety Standard Certification 3. INSTALLATION GUIDE A. General Instruction 1) Pipe and Fitting (DRP-SR) ① Cover the pipe with vinyl sheet to prevent dust and foreign substance from piling on the surface of pipe or going into the pipe. ② Part that touches dissimilar metal (especially steel pipe, cast iron pipe and other products made with iron) must be insulated. ③ All ends of the fitting should be covered with Protective Cap during storage to prevent foreign substance from going into the pipe. 2) Pressing Tool ① Do not control the cylinder pump pressure (400kg/㎠) arbitrarily. ② Rust on the pressing jaw must be removed before use to prevent possible corrosion and abnormal pressing. Pressing tool must be maintained properly. ③ Keep pressing tool clean after each use and spray anti-rust additive on the jaw to prevent rust. ④ If pressing is not done in circular shape, stop pressing and contact our A/S team to check the tool and replace it when necessary. ⑤ When using cylinder pump, check the oil gauge whether oil is enough and open the air valve around halfway to flow in air before pressing.
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DRP SR-JOINT DRP AB-JOINT
INSTALLATION GUIDE
B. Cutting Pipe 1) How to Use Stainless Steel Pipe Cutting Machine ① Only use a machine made exclusively for cutting stainless steel pipe. If a wheel cutter is the only option, you must use cutting blade made exclusively for cutting stainless material and then remove burr. ② You must mark the insertion depth before cutting the pipe. ③ Cut the pipe vertically. 2) Trimming & Removing Burr ① Trim inside and outside of the cut surface to make the surface smooth and remove burr completely to prevent rubber ring damage and detachment when inserting the pipe. C. Pipe Installation 1) Cleaning Connecting Part (the part where pipe and joint overlap): Remove oil, iron dust and other foreign substance from connecting part 2) Marking Insertion Depth and Insertion ① Mark insertion depth on the outside of the pipe according to the Insertion Depth Chart (see below). Then insert. [Insertion Depth Chart] STANDARD SIZE
15A
20A
25A
30A
40A
50A
65A
80A
100A
INSERTION DEPTH (MINIMUM)
22.8
25.1
25.1
35.0
36.0
44.0
73.0
78.0
79.0
② When inserting the pipe into the fitting, make sure the pipe is horizontally align with the fitting in order to prevent rubber ring from detachment. ③ When insertion does not go smoothly, use drinking water or vegetable-based detergent. 3) Tool ① Check to make sure that the pipe is inserted to the marked insertion depth. ② When using DRP tool, manufacturer of product and tool must be same. ③ Before pressing, make sure that dual rings of joint perfectly fit pressing jaw and also check to ensure the pipe and pressing jaw are in 90 degree. After checking, start pressing. 31
DRP SR-JOINT DRP AB-JOINT
INSTALLATION GUIDE
D. Checking after Pressing 1) Check with the naked eye to ensure the fitting has been pressed in circular shape and double circular groove appears clearly. 2) When necessary, use a gauge or a vernier calipers to check the size (see Size Chart After Pressing next page) [SIZE CHART AFTER PREESSING] STANDARD SIZE
OUTSIDE DIAMETER
BEFORE PRESSING
AFTER PRESSING
PERMISSIBLE TOLERANCE (mm)
15A
15.88
23.00
21.30
±0.3
20A
22.22
30.50
28.50
±0.3
25A
28.58
37.20
34.50
±0.3
30A
34.00
45.00
41.90
±0.3
40A
42.70
55.70
52.30
±0.4
50A
48.60
62.20
58.20
±0.4
65A
76.30
95.60
88.20
±0.4
80A
89.10
111.00
103.50
±0.5
100A
114.30
137.00
127.80
±0.5
E. Hydraulic Test 1) Conduct test with pressure specified in drawings and specifications or with pressure of 2.5MPa. If there is no specific regulation, test with pressure that is 2~3 times of pressure normally used. 2) Use drinking water when you test. If drinking water is not available, use purified water to prevent pipe corrosion. 3) After test, completely drain water to prevent corrosion due to foreign substance.
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DRP SR-JOINT DRP AB-JOINT
INSTALLATION GUIDE
HOW TO USE DRP SR-JOINT TOOLS Pipe Cutting ① W hen you cut the pipe, a proper cutter must be used. ② Using a rotary cutter or an exclusive cutter is less likely to form burr.
Rotary cutter (15A~100A)
Exclusive cutter (15A-100A)
③ The burr that may be formed either side of the pipe should be removed. Internal foreign objects should be removed as well.
Pipe Inserting ① Mark on the pipe so as to get enough depth of insertion. ② Pipe mus t be inserted into Joint linearly. ③ If insertion doesn't go on smoothly, soap bubbles may help.
Marking the line
Insert horizontal
※ When you insert the pipe, you must be careful not to get damaged.
Press by Gun ① Check the sizes of proper JAW and JOINT ② Fit the groove of tool and mound of joint, and press joint using exclusive tool.
Contract JAW and JOINT
Pressing the JOINT
③ Press the button (red point) and wait until the pusher is automatically back
Verification ① Disassemble after compression.
jig pass (right)
jig not pass (wrong)
② Confirm the joint by using a vernier caliper or checking jig. If the jig is passed smoothly or diameter measured by vernier caliper i s same in manual, joint installation is compl ete.
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DRP SR-JOINT DRP AB-JOINT
IMPORTANT NOTES
IMPORTANT NOTES 1. When Using a Pressing Tool a. Ensure foreign substance, such as soil and sand, does not go into the operating part of the tool. b. Fit the jaw and cylinder correctly and insert all types of pin all the way. c. Protect the tool from shock and do not attempt to disassemble the tool arbitrarily. d. Power tools should get regular inspection every six months.
2. When Using a Pump a. Screw off the oil cap about two rounds. b. Replace hydraulic oil every three months. (Do not use nonstandard hydraulic oil) c. Do not control pressure control valve arbitrarily. (Abnormal pressing can cause leakage.) d. After you press ON button, wait until you hear a clicking sound, which indicates that pressing is complete. Do not press OFF button repeatedly while you wait for the clicking sound. (It can cause malfunction).
3. When Using a Rechargeable Gun a. Battery life can be shortened when the gun is used at a temperature below 0°C. b. After pressing, charge the battery immediately when red LED lamp flickers consistently. c. If the red LED light flickers three times and warning alarm rings three times at the same time, send the gun to a A/S centre immediately. d. After about 50 times of pressing, stop using the gun and cool it down for 15 minutes. e. Lubricate locking pin and roller regularly with a small amount of oil. (Example: WD50). f.
You can extend the battery life by charging the battery frequently, instead of doing full charge or full discharge.
g. Do not disassemble the battery from the gun arbitrarily. It can cause the battery to explode when the batteryâ&#x20AC;&#x2122;s safety and protective device gets damaged.
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DRP SR-JOINT DRP AB-JOINT
IMPORTANT NOTES
IMPORTANT NOTES 4. When Conducting Hydraulic Test (Leakage Test) a. Test must be done using drinking water. b. After the test, completely remove the water from the pipe. If water contaminated with foreign substance and dust caused during pipe installation remains inside the pipe, it can result in pipe corrosion. If water remains, it can also lead to freezing and bursting during winter time. c. Make sure that lagging material does not get wet. W hen the hydraulic test is done on the part where lagging material is used, corrosion can happen when lagging material is wet. d. Flush water out sufficiently after the pipe installation. e. Flush contaminated water out sufficiently with drinking water and discharge water completely. Microbially Induced Corrosion (MIC) Quality of water is an important factor when it comes to pipe corrosion. Groundwater is a good environment for microorganisms to grow and multiply. Use of groundwater for hydraulic test and incomplete drainage after testing have frequently caused Microbial Induced Corrosion (MIC). When groundwater is the only available option, make sure to avoid Microbial Induced Corrosion.
5. When Using Groundwater a. Water treatment: Conduct water quality test in advance. W hen the test result shows that the water quality does not meet the standard, perform proper chemical treatment. Additional care is needed during the time of high temperature and humidity (from May to August) due to increased possibility of MIC. b. Draining and flushing: Water must be completely drained as soon as possible after hydraulic test. It is also crucial to perform sufficient flushing using drinking water.
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DRP SR-JOINT DRP AB-JOINT
CLIENTS
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Australia HQ : POBOX 380 Underwood, Queensland 4119 Sales team: TEL/ 07)3423-1725 Global Manufacturing : #490-15, Gwanjeong-ri, Jeonui-myeon, Sejong-si, Korea TEL/ 044)414-9640~2 FAX/ 044)414-9643~4 Research & Development : #3-3 Geungok-ri, Baegam-myeon, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea TEL/ 031)322-1271~4 FAX/ 031)322-1276
www.drpjoint.com.au