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LV-07
Dual Plate Check Valve
Basic Design : API 594
Body Wall Thickness : API 594
Pressure Rating : ASME B16.34
Face To Face : API 594 or API 6D
Body Bore Size : ASME B16.34
- Flange Size :
ASME B16.5 for 24" & below size /
ASME B16.47 Series "A" or MSS-SP-44(For 26" & above size)
API 605 Series "B"(For 26" & above size)
- Inspection And Testing : API 598 / Sour Service(NACE MR 0175 or MR 0103)
- Surface Quality Visual Method : MSS-SP-55
- Finishes For Contact Faces of Flanges : ASME B16.5 or MSS-SP-6
- Marking Standard : MSS-SP-25
Features

MATERIAL LIST

ASTM Cast Steel Forged Steel
Carbon Steel A216-WCB A105
Alloy Steel
For High Temperature
A217-WC6 A182-F11
A217-WC9 A182-F22
A217-C5 A182-F5
A217 C12 A182-F9
A217-C12A A182-F91
Alloy Steel
For Low Temperature
A352-LCB A350-LF1
A352-LCC A350-LF2
Stainless Steel A351-CF8 A182-F304
A351-CF8M A182-F316
A351-CF3 A182-F304L
A351 CF3M A182-F316L
A351-CF8C A182-F347
A351-CK20 A182-F310
A351-CG8M A182-F317
A351-CN7M B462
Duplex Stainless Steel A890-4A(CD3MN) A182-F51
A890-5A(CE3MN) A182-F53
A890-6A(CD3MWCuN) A182-F55
Special
Alloy Steel
A494-M35-1(MONEL400) B564
A494-N12MV
(HASTELLOY B)
B564
A494-CW12MW
(HASTELLOY C276)
B564
A494-CY40
(INCONEL 600)
B564
A494-CW6MC
(INCONEL 625)
B564

CLASS & SIZE

VALVE TYPE CLASS SIZE
Wafer Type 150# 2"~60"
300# 2"~48"
600# 2"~24"
900# 2"~24"
1500# 2"~18"

FLOOR PLAN

LV-07.gif

MATERIAL LIST

NO. DESCRIPTION MATERIAL Q’TY
CARBON STEEL STAINLESS STEEL
01 BODY A216 WCB A351 CF8M 1
02 PLATE A217 CA15 A351 CF8M 2
03 TORSION SPRING STS 316WPA STS 316WPA 1
04 DISC PIN A276 316 A276 316 1
05 DISC PIN PLUGS A276 316 A276 316 2
06 STOPPER PIN A276 316 A276 316 1
07 STOPPER PIN PLUGS A276 316 A276 316 2
08 WASHER A276 316 A276 316 4
Size Spring (Q’ty) Spring Material
1 ½”~5” 1ea Stainless steel & Inconel X-750
6”~22” 2ea
24” and over 4ea

DIMENSIONS  ANSI CLASS: 150#

VALVE SIZE Face to Face(mm) Outer Diameter(Ø) Inner Diameter(Ø) Weight(kgf) CS.
NPS(in) DN(mm) L ØD Ød WT(kg)
2 50 60 105 60 3
2 1/2 65 67 124 73 4
3 80 73 137 89 6
4 100 73 175 114 8
5 125 86 197 141 10
6 150 98 222 168 16
8 200 127 279 219 32
10 250 146 340 274 47
12 300 181 410 324 84
14 350 184 451 356 97
16 400 191 514 406 159
18 450 203 549 457 185
20 500 219 606 508 243
24 600 222 718 610 394
26 650 356 775 660 454
28 700 381 832 711 544
30 750 305 883 762 454
32 800 356 940 813 635
36 900 368 1048 914 794
40 1000 432 1162 1016 1179
42 1050 432 1219 1067 1293
48 1200 524 1384 1219 1996
54 1350 591 1549 1372 2495
60 1500 660 1715 1524 3266

DIMENSIONS  ANSI CLASS: 300#

VALVE SIZE Face to Face(mm) Outer Diameter(Ø) Inner Diameter(Ø) Weight(kgf) CS.
NPS(in) DN(mm) L ØD Ød WT(kg)
2 50 60 111 60 3
2 1/2 65 67 130 73 4
3 80 73 149 89 7
4 100 73 181 114 8
5 125 86 216 141 14
6 150 98 251 168 19
8 200 127 308 219 36
10 250 146 362 274 51
12 300 181 422 324 88
14 350 222 486 356 176
16 400 232 540 406 227
18 450 264 597 457 301
20 500 292 654 508 373
24 600 318 775 610 598
26 650 356 835 660 567
28 700 381 899 711 680
30 750 368 953 762 748
32 800 406 1006 813 907
36 900 483 1118 914 1225
40 1000 546 1114 914 1542
42 1050 568 1165 1016 1905
48 1200 629 1324 1118 3334

DIMENSIONS  ANSI CLASS: 600#

VALVE SIZE Face to Face(mm) Outer Diameter(Ø) Inner Diameter(Ø) Weight(kgf) CS.
NPS(in) DN(mm) L ØD Ød WT(kg)
2 50 60 111 60 3
2 1/2 65 67 130 73 4
3 80 73 149 89 7
4 100 79 194 114 12
5 125 105 241 141 23
6 150 131 267 168 33
8 200 165 321 219 68
10 250 213 400 274 104
12 300 229 457 324 144
14 350 273 492 356 198
16 400 305 565 406 288
18 450 362 613 457 401
20 500 368 683 508 640
24 600 791 791 610 981

DIMENSIONS  ANSI CLASS: 900#

VALVE SIZE Face to Face(mm) Outer Diameter(Ø) Inner Diameter(Ø) Weight(kgf) CS.
NPS(in) DN(mm) L ØD Ød WT(kg)
2 50 70 143 60 6
2 1/2 65 83 165 73 7
3 80 83 168 89 13
4 100 102 206 114 18
6 150 159 289 168 53
8 200 206 359 219 89
10 250 241 435 274 132
12 300 292 498 324 169
14 350 356 521 356 198
16 400 384 575 406 550
18 450 451 638 457 770
20 500 451 699 508 1055
24 600 495 838 610 1700

DIMENSIONS  ANSI CLASS: 1500#

VALVE SIZE Face to Face(mm) Outer Diameter(Ø) Inner Diameter(Ø) Weight(kgf) CS.
NPS(in) DN(mm) L ØD Ød WT(kg)
2 50 70 143 60 5
3 80 83 175 74 10
4 100 102 210 114 20
6 150 159 283 168 57
8 200 206 352 219 125
10 250 248 435 273 195
12 300 305 521 324 318
14 350 356 578 356 420
16 400 384 641 406 590
18 450 468 705 457 862