Tightness Test & Burst Pressure Test

 

※ Test method: IACS UR_P 2。11。5。5。1 & 4 (2016) etc。

Tightness Test: design pressure × 1.5 (bar), 5mins.

Burst Pressure Test: design pressure × 4 (bar), 5 mins.

 

01.jpg

 

 

Vibration (Fatigue) Test

 

※ Test method: IACS UR_P 2.11.5.5.2 (2016) etc.

Section
Number of cycles
Amplitude, ㎜
Frequency, ㎐
Pressure, bar
1
3×106
±0.06
100
design pressure
2
3×106
±0.50
45
design pressure
3
3×106
±1.50
10
design pressure

 

02.jpg

 

 

Pressure Pulsation Test

 

※ Test method: IACS UR_P 2。11。5。5。3 (2016) etc。

Pressure change: 0 → impulse pressure (design pressure × 1.5) → design pressure → 0

30~100cycles/min, 500,000cycles

 

03.jpg

 

 

Pull-Out Test

 

※ Test method: IACS UR_P 2。11。5。5。5 (2016) etc。

※ Test result

(kgf)  

 
20A
50A
100A
150A
300A
Minimum
95
469
1,465
2,623
5,687
MJG
536
2,106
4,094
6,126
8,700
MJGF
1,904
3,309
8,002
8,424
10,110

 

- The minimum axial load is calculated using the following formula on the test method.

 

math.jpg

 

D : pipe coutside diameter, ㎜

p : design pressure, N/㎜2

L : applied axial load, N

 

 

Fire Endurance Test - tested with Fire-Resistant Cover (FRC)

 

※ Test method : IACS UR_P 2.11.5.5.6 (2016) etc. ISO 19921,19922

Test with fire of 800℃ at 5 bar for 30mins, then hydraulic test at design pressure x 2 for 5 mins

 

04.jpg

 

 

Vacuum test

 

※ Test method : IACS UR_P 2。11。5。5。7 (2016) etc。

170mbar for 5 mins

 

 

Repeated Assembly Test

 

※ Test method : IACS UR_P 2.11.5.5.8 (2016) etc.

assemble and disassemble 10 times, then Tightness Test

 

 

Break Test

 

※ Test method : KS B 0802

※ Test result

 
SUS bolt
SC bolt
Break load
4,286kgf
4,244kgf
Break area
spot welding
bolt

 

 

Salt Spray Test

 

※ Test method : KS D 9502

※ Test result

Test duration
Result
72 hours
Good

 

 

Bolt Tensile Load Test

(Unit : N)

Test method
KS B 0802
KS B 0233
Bolt material
SUS304(A2-70)
SUS304(A2-40)
Bolt size
M6
M8
M12
M14
M12
M14
Tensile load
11,445
28,795
59,273
81,310
53,672
71,236

 

 

Rubber Plate Test

 

※ Test method : KS M 6518

 

EPDM

Test Item
Result
Hardness [HS] (Hs)
60
Tensile Strength [TS] (MPa)
12.4
Elongation [E] (%)
490
Heat Aging Test
(90±1℃, 96h)
HS change (Hs)
0
TS change (%)
-0.1
E change (%)
-7.6
Compression Set (90±1℃ x 22hours, %)
14

NBR

Test Item
Result
Hardness [HS] (Hs)
60
Tensile Strength [TS] (MPa)
14.1
Elongation [E] (%)
500
Heat Aging Test
(80±1℃ x 96hours)
HS change (Hs)
2
TS change (%)
-0.8
E change (%)
-4.6
Compression Set (80±1℃ x 22hours, %)
21

Immersion Test

(No.3 oil, 80±1℃ x 96hours)

HS change (Hs)
1
TS change (%)
3.7
E change (%)
-5.2
Volume change (%) -0.9

Silicone

Test Item
Result
Hardness [HS] (Hs)
62
Tensile Strength [TS] (MPa) 7.3
Elongation [E] (%)
360
Heat Aging Test
(150±2℃ x 96hours)
HS change (Hs)
3
TS change (%)
1.0
E change (%)
-8.7
Compression Set (150±2℃ x 22hours, %)
23

FKM (Viton)

Test Item
Result
Hardness [HS] (Hs)
70
Tensile Strength [TS] (MPa)
10.4
Elongation [E] (%)
290
Heat Aging Test
(230±2℃ x 24hours)
HS change (Hs)
0
TS change (%)
-13.8
E change (%)
-32.8
Compression Set (175±2℃ x 22hours, %)
19

 

 

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