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LV-08
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
Lug Type 150# 2"~24"
300# 2"~24"
600# 2"~24"
900# 2"~24"
1500# 2" 12"

FLOOR PLAN

LV-08.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 60 152 60 7
3 80 73 190 89 12
4 100 73 229 38 19
6 150 98 279 168 32
8 200 127 343 219 63
10 250 146 406 274 93
12 300 181 483 324 170
14 350 184 533 356 119
16 400 191 597 406 246
18 450 203 635 457 290
20 500 219 698 508 348
24 600 222 813 610 396

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 60 165 60 8
3 80 73 210 89 14
4 100 73 254 114 23
6 150 98 318 168 45
8 200 127 381 219 78
10 250 146 444 274 115
12 300 181 521 324 242
14 350 222 584 356 237
16 400 232 648 406 489
18 450 264 710 457 558
20 500 292 775 508 766
24 600 368 813 508 1297

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 60 165 60 8
3 80 73 210 89 14
4 100 79 273 114 30
6 150 136 356 168 81
8 200 165 419 219 134
10 250 213 508 274 234
12 300 229 559 324 304
14 350 273 603 356 571
16 400 305 686 406 548
18 450 362 743 457 1078
20 500 368 813 508 1297
24 600 438 940 610 1554

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 70 216 60 16
3 80 83 241 89 25
4 100 102 292 114 45
6 150 159 381 168 115
8 200 206 470 219 217
10 250 241 546 274 330
12 300 292 610 324 509
14 350 356 641 356 775
16 400 284 705 406 609
18 450 451 787 457 1450
20 500 451 857 508 1960
24 600 495 1041 610 2351

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 70 216 60 16
3 80 83 267 89 32
4 100 102 311 114 68
6 150 159 394 168 120
8 200 207 483 219 284
10 250 248 584 273 362
12 300 305 673 324 635