MULTI-FLEX Type 2019-03-06T21:45:18+00:00

| MULTI-FLEX PIPE COUPLING

MF-RS(15A~3,000A) Available ※ PIPE O.D. specs are available for all sizes.
Size O/D(mm) Range M L U W.P W.T P N.m(kgf/cm)
ND D1 D2 Industrial Ship Industrial Ship
15A 1.2″ 21.3 21.7 22.0 O/D±0.3 M6 × 40L 57 32 37 40 20 0.16 0.16 3~5 (30~50)
20A 3/4″ 26.9 26.7 27.2 O/D ±0.5 M6 × 40L 57 32 46 40 20 0.2 0.2 3~5 (30~50)
25A 1″ 33.4 33.7 34.0 O/D ±0.6 M6 × 40L 57 32 51 40 20 0.2 0.2 4~6 (40~60)
32A 1-1/4″ 42.2 42.4 42.7 O/D ±0.6 M8 × 45L 57 32 62 40 20 0.3 0.3 5~8 (50~80)
40A 1-1/2″ 40.9 44.5 48.3 48.6 O/D ±1.0 M8 × 45L 57 32 66 40 20 0.4 0.4 5~8 (50~80)
50A 2″ 54.0 57.0 60.3 60.5 O/D ±1.0 M10 × 65L 80 46 81 36 18 0.7 0.7 10~12 (100~120)
65A 2-1/2″ 66.7 69.0 73.0 76.3 O/D ±1.0 M10 × 65L 80 46 100 36 18 0.8 0.8 10~12 (100~120)
80A 3″ 79.8 84.0 88.9 89.1 O/D ±1.5 M12 × 75L 107 65 115 32 16 1.5 1.5 20~30 (200~300)
90A 3-1/2″ 98.0 101.6 O/D ±1.5 M12 × 75L 107 65 144 32 16 1.65 1.65 20~30 (200~300)
100A 4″ 106.3 108.0 114.3 118.0 O/D ±1.5 M12 × 75L 107 65 144 32 16 1.65 1.65 20~30 (200~300)
125A 5″ 129.0 133.0 139.8 141.3 O/D ±1.5 M14 × 90L 117 71 175 28 14 2.6 2.6 40~50 (400~500)
150A 6″ 154.0 159.0 165.2 168.3 O/D ±1.5 M14 × 90L 117 71 196 28 14 2.9 2.9 40~50 (400~500)
200A 8″ 204.0 216.3 219.1 O/D ±2.0 M16 × 120L 155 80 260 24 12 6.4 6.4 60~80 (600~800)
250A 10″ 254.0 267.4 273.1 O/D ±2.0 M16 × 120L 155 80 300 24 12 6.9 6.9 60~80 (600~800)
300A 12″ 304.0 318.5 323.9 325.0 O/D ±2.0 M18 × 130L 155 80 350 20 10 8.7 8.7 80~120 (800~1200)
350A 14″ 340.0 355.6 377.0 368.0 O/D ±2.0 M18 × 130L 155 80 400 20 10 9.5 9.5 80~120 (800~1200)
400A 16″ 406.4 414.5 419.0 429.0 O/D ±2.5 M18 × 140L 155 94 450 16 10.8 80~120 (800~1200)
450A 18″ 457.2 465.3 480.0 O/D ±2.5 M18 × 140L 155 94 500 16 11.8 80~120 (800~1200)
500A 20″ 508.0 516.9 532.0 O/D ±3.0 M18 × 140L 155 94 550 14 12.6 120~150 (1200~1500)
MF-RL  
Size O/D(mm) Range M L U W.P W.T P N.m(kgf/cm)
ND D1 D2 Industrial Ship Industrial Ship
15A 1.2″ 21.3 21.7 22.0 O/D±0.3 M6 × 40L 72 46 37 40 0.35 3~5 (30~50)
20A 3/4″ 26.9 26.7 27.2 O/D ±0.5 M6 × 40L 72 46 46 40 0.4 3~5 (30~50)
25A 1″ 33.4 33.7 34.0 O/D ±0.6 M8 × 45L 100 64 51 40 20 0.45 0.45 4~6 (40~60)
32A 1-1/4″ 42.2 42.4 42.7 O/D ±0.6 M8 × 45L 100 64 62 40 20 0.5 0.5 5~8 (50~80)
40A 1-1/2″ 40.9 44.5 48.3 48.6 O/D ±1.0 M8 × 45L 100 64 66 40 20 0.55 0.55 5~8 (50~80)
50A 2″ 54.0 57.0 60.3 60.5 O/D ±1.0 M10 × 65L 139 99 81 36 18 1.2 1.2 10~12 (100~120)
65A 2-1/2″ 66.7 69.0 73.0 76.3 O/D ±1.0 M10 × 65L 139 99 100 36 18 1.3 1.3 10~12 (100~120)
80A 3″ 79.8 84.0 88.9 89.1 O/D ±1.5 M12 × 80L 203 146 115 32 16 2.6 2.6 20~30 (200~300)
90A 3-1/2″ 98.0 101.6 O/D ±1.5 M12 × 80L 203 146 144 32 16 3.0 3.0 20~30 (200~300)
100A 4″ 106.3 108.0 114.3 118.0 O/D ±1.5 M12 × 80L 203 146 144 32 16 3.0 3.0 20~30 (200~300)
125A 5″ 129.0 133.0 139.8 141.3 O/D ±1.5 M14 × 90L 204 138 175 28 14 4.8 4.8 40~50 (400~500)
150A 6″ 154.0 159.0 165.2 168.3 O/D ±1.5 M14 × 90L 204 138 196 28 14 5.4 5.4 40~50 (400~500)
200A 8″ 204.0 216.3 219.1 O/D ±2.0 M16 × 120L 255 177 260 24 12 7.0 7.0 60~80 (600~800)
250A 10″ 254.0 267.4 273.1 O/D ±2.0 M16 × 120L 255 177 300 24 12 11.7 11.7 60~80 (600~800)
300A 12″ 304.0 318.5 323.9 325.0 O/D ±2.0 M18 × 140L 255 177 350 20 10 15 15.0 80~120 (800~1200)
350A 14″ 340.0 355.6 377.0 368.0 O/D ±2.0 M18 × 140L 255 170 400 20 10 16.4 16.4 80~120 (800~1200)
400A 16″ 406.4 414.5 419.0 429.0 O/D ±2.5 M18 × 140L 255 170 450 16 18.6 80~120 (800~1200)
450A 18″ 457.2 465.3 480.0 O/D ±2.5 M18 × 140L 255 170 500 16 20.4 80~120 (800~1200)
500A 20″ 508.0 516.9 532.0 O/D ±3.0 M18 × 140L 255 170 550 14 21.6 120~150 (1200~1500)

ND: Nominal Diameter (A)
ℓ: Allowable Shrinkage/Expansion Clearance (m/m)
D1: Actual Outer Diameter of Pipe (m/m)

U : Outer Diameter of Coupling (m/m)
M: Fastener Bolt Size/Length (m/m)
W.P: Working Pressure (kgf·cm2)
D2: Min./Max. Allowable Limit for Pipe (m/m)

L : Coupling Width (m/m)
P: Optimum Locking Torque Value Nm (kgf·)cm
W/T: Weight Per Unit (kg)

※ The specifications are subject to change for quality improvement.