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Products > Large Industrial Valves > API Swing Check Valves

USE:

    Extraction, transporation and distribution systems in: water, steam, gas and oil industry.

SCHEMATICS:



SERVICE CONDITIONS:

    Ambient temperature: from -35ºC to +40ºC (-22ºF to +104ºF)
    Service temperature: from -59ºC to +595ºC (-75ºF to +1100ºF)

TECHNICAL CHARACTERISTICS:

    Design standard: API SPEC. 6D
    End-to-end dimensions: ASME B16.10 for NPS 1" ÷ 36", manufacturer's standard for NPS 38" ÷ 42".
    Connection flanges: ASME B16.5 for NPS 1" ÷ 24", MSS SP 44 or ASME B16.47 for NPS 22" ÷ 42"
    Weld ends: ASME B16.25 or ASME B31.1
    Temperature pressure rating: ASME B16.34
    Testing: API 598 or API SPEC. 6D
    Operation: free stroke, with counterweight

MATERIALS

No. Name of Part ASTM SPECIFICATION
Standard -20 High Temperature Low Temperature Service
-20°F800°F -29°C427°C -20°F850°F -29°C455°C -20°F1000°F -29°C538°C -20°F1100°F -29°C594°C -20°F1100°F -29°C594°C -50°F650°F -46°C345°C -50°F700°F -46°C370°C -75°F650°F -59°C345°C
1 Body A216-WCB A217-WC1 A217-WC6 A217-WC9 A217-C5 A352-LCB A352-LCC A352-LC1
2 Welded Seat Ring A53-A / A573 gr. 65 A691-CM-70 / A204 gr. A A182-F11 CL. 2 A182-F22 CL. 3 A182-F5a A672-B65 / A515 gr. 65 A672-B65 / A516 gr. 65 A691-CM-70 / A204 gr. B
3 Disc Forged A105 A182-F1 A182-F11 CL. 2 A182-F22 CL. 3 A182-F5a A350-LF2 A350-LF2 A182-F1
Casting A216-WCB A217-WC1 A217-WC6 A217-WC9 A217-C5 A352-LCB A352-LCC A352-LC1
4 Hinge Forged A105 A182-F1 A182-F11 CL. 2 A182-F22 CL. 3 A182-F5a A350-LF2 A350-LF2 A182-F1
Casting A216-WCB A217-WC1 A217-WC6 A217-WC9 AA217-C5 A352-LCB A352-LCC A352-LC1
5 Spacer A108 gr. 1025 A182-F1 A182-F11 CL. 2 A182-F22 CL. 3 A182-F5a A350-LF2 A350-LF2 A182-F1
6 Disc Nut A108 gr. 1025 A182-F1 A182-F11 CL. 2 A182-F22 CL. 3 A182-F5a A350-LF2 A350-LF2 A182-F1
7 Hinge Pin A182-F6a A182-F6a A182-F316 A182-F316 A182-F316 A182-F304 A182-F304 A182-F304
8 Ring of Distance A182-F6a A182-F6a A182-F316 A182-F316 A182-F316 A182-F304 A182-F304 A182-F304
9 Bonnet Forged A105 A182-F1 A182-F11 CL. 2 A182-F22 CL. 3 A182-F5a A350-LF2 A350-LF2 A182-F1
Casting A216-WCB A217-WC1 A217-WC6 A217-WC9 A217-C5 A352-LCB A352-LCC A352-LC1
10 Bonnet Nuts A194-2H A194-2H A194-2H or A194-4 A194-2H or A194-4 A194-2H or A194-4 A194-4 A194-4 A194-4
11 Bonnet Studs A193-B7 A193-B7 A193-2H or A193-B16 A193-2H or A193-B16 A193-2H or A193-B16 A320-L7M A320-L7M A320-L7M
12 Threaded Plug A108 gr. 1035 A182-F1 A182-F11 CL. 2 A182-F22 CL. 3 A182-F5a A350-LF2 A350-LF2 A182-F1
13 Cover A108 gr. 1025 A182-F1 A182-F11 CL. 2 A182-F22 CL. 3 A182-F5a A350-LF2 A350-LF2 A182-F1
14 Bushing A439-D2c A439-D2c A439-D2c A439-D2c A439-D2c A439-D2c A439-D2c A439-D2c
15 Packing Washer A108 gr. 1025 A182-F1 A182-F11 CL. 2 A182-F22 CL. 3 A182-F5a A350-LF2 A350-LF2 A182-F1
16 Gland A108 gr. 1025 A182-F1 A182-F11 CL. 2 A182-F22 CL. 3 A182-F5a A350-LF2 A350-LF2 A182-F1

No. Name of Part  
17a Bonnet Gasket Plane gasket – graphite with metal filler
17b Spiral wound gasket – stainless steel with graphite filler
17c Ring-Joint gasket – carbon steel or stainless steel, as required
18a Packing Plug & Packing Cover Plane gasket – graphite with metal filler
18b Spiral wound gasket – stainless steel with graphite filler
19a Packing Graphite with metal filler and corrosion inhibitor
19b Graphite with corrosion inhibitor
20 Gland Flange A105/A573 Gr. 65
21a Gland Nuts A194-2H
21b Cover Nuts A194-2H
22a Gland Lug Studs A193-B7
22b Cover Studs A193-B7
23 Lever with weight Subassembly (Carbon Steel)
24 Plate Carbon Steel
25 Cap Screw A193-B7

SWING CHECK VALVE CLASS 150

Overall NPS inch 1 1/2" 2" 2 1/2" 3" 4" 5" 6" 8" 10" 12" 14" 16" 18" 20" 22" 24"
DN mm 40 50 65 80 100 125 150 200 250 300 350 400 450 500 550 600
RF BW inch 6 1/2" 8" 8 1/2" 9 1/2" 11 1/2" 13" 14" 19 1/2" 24 1/2" 27 1/2" 31" 34" 38 1/2" 38 1/2" 42" 51"
mm 165 203 216 241 292 330 356 495 622 699 787 864 978 978 1067 1295
RJ inch 7" 8 1/2" 9" 10" 12" 13 1/2" 14 1/2" 20" 25" 28" 31 1/2" 34 1/2" 39" 39" 42 1/2" 51 1/2"
mm 178 216 229 254 305 343 368 508 635 711 800 876 991 991 1080 1308
H inch 4 1/4" 6" 6" 7 1/2" 8 1/2" 10 3/8" 10 1/2" 13 5/8" 15" 17 3/8" 20 1/2" 21 7/8" 22 5/8" 24 1/4" 26 1/8" 28"
mm 108 152 152 190 216 263 267 346 381 441 521 556 575 616 663 711
Net weight RF lbs. 20 55 71 84 121 150 212 353 540 840 1124 1455 1874 2315 2646 3197
kg 9 25 32 38 55 68 96 160 245 381 510 660 850 1050 1200 1450
BW lbs. 19 51 57 64 79 132 165 287 463 677 981 1318 1587 1874 2537 2866
kg 8.5 23 26 29 36 60 75 130 210 307 445 598 720 850 1151 1300

Overall NPS inch 26" 28" 30" 32" 36" 40" 42"
DN mm 650 700 750 800 900 1000 1050
RF BW inch 51" 57" 60" 69" 77" 80 1/4" 80 1/4"
mm 1295 1448 1524 1753 1956 2038 2038
H inch 39" 40 7/8" 41 5/8" 42 1/8" 42 1/2" 44 3/8" 44 3/4"
mm 991 1038 1057 1070 1079 1127 1137
Net weight RF lbs. 4960 5073 5183 6393 7385 13669 16755
kg 2250 2301 2351 2900 3350 6200 7600
BW lbs. 4846 4943 5040 6206 7132 13338 16391
kg 2198 2242 2286 2815 3235 6050 7435

SWING CHECK VALVE CLASS 300

Overall NPS inch 1 1/2" 2" 2 1/2" 3" 4" 5" 6" 8" 10" 12" 14" 16" 18" 20" 22" 24"
DN mm 40 50 65 80 100 125 150 200 250 300 350 400 450 500 550 600
RF BW inch 9 1/2" 10 1/2" 11 1/2" 12 1/2" 14" 15 3/4" 17 1/2" 21" 24 1/2" 28" 33" 34" 38 1/2" 40" 44" 53"
mm 241 267 292 318 356 400 445 533 622 711 838 864 978 1016 1118 1346
RJ inch 10" 11 1/8" 12 1/8" 13 1/8" 14 5/8" 16 3/8" 18 1/8" 21 5/8" 25 1/8" 28 5/8" 33 5/8" 34 5/8" 39 1/8" 40 3/8" 44 7/8" 53 7/8"
mm 254 283 308 333 371 416 460 549 638 727 854 879 994 1035 1140 1368
H inch 4 1/4" 5 3/8" 6 1/2" 8 1/2" 9 1/2" 10 1/2" 11 1/2" 15 1/4" 16 1/2" 17 5/8" 21 1/4" 24 3/8" 25 1/4" 26 1/8" 28" 30"
mm 108 137 165 216 241 267 292 387 419 448 540 619 641 663 711 762
Net weight RF lbs. 31 77 82 132 181 207 342 591 838 1091 1565 2094 2646 2976 3252 4850
kg 14 35 37 60 82 94 155 268 380 495 710 950 1200 1350 1475 2200
BW lbs. 26 62 35 99 139 201 265 406 728 847 1343 2271 2132 2535 2866 3307
kg 12 28 16 45 63 91 120 184 330 384 609 1030 967 1150 1300 1500

Overall NPS inch 26" 28" 30" 32" 36" 40" 42"
DN mm 650 700 750 800 900 1000 1050
RF BW inch 53" 59" 62 3/4" 60" 82" 82" 82"
mm 1346 1499 1549 1524 2083 2083 2083
RJ inch 54" 60" 63 3/4"
mm 1372 1524 1619
H inch 40 1/2" 41 3/8" 42 1/8" 42 5/8" 43" 44 7/8" 45 1/4"
mm 1029 1051 1070 1124 1092 1140 1150
Net weight RF lbs. 5291 7055 10196 11905 15873 18960 19334
kg 2400 3200 4625 5400 7200 8600 8770
BW lbs. 5071 6724 9921 11177 14969 17505 17747
kg 2300 3050 4500 5070 6790 7940 8050

SWING CHECK VALVE CLASS 400

Overall NPS inch 2" 2 1/2" 3" 4" 5" 6" 8" 10" 12" 14" 16" 18" 20" 22" 24"
DN mm 50 65 80 100 125 150 200 250 300 350 400 450 500 550 600
RF BW inch 11 1/2" 13" 14" 16" 18" 19 1/2" 23 1/2" 26 1/2" 30" 35" 35 1/2" 40" 41 1/2" 45" 55"
mm 292 330 356 406 457 495 597 673 762 886 902 1016 1054 1143 1397
RJ inch 11 5/8" 13 1/8" 14 1/8" 16 1/8" 18 1/8" 19 5/8" 23 5/8" 26 5/8" 30 1/8" 35 1/8" 35 5/8' 40 1/8" 41 3/4" 45 3/8" 55 3/8"
mm 295 333 359 410 460 498 600 676 765 892 905 1019 1060 1153 1407
H inch 7 3/4" 8 3/8" 9" 11 1/8" 12 3/4" 14 1/4" 16 1/2" 19 1/2" 23" 24 1/4" 28" 31 5/8" 37 5/8" 40 1/8" 42 7/8"
mm 197 213 229 283 324 362 419 495 584 616 711 803 956 1019 1089
Net weight RF lbs. 79 110 146 245 384 536 844 1340 1810 2187 2884 3770 3278 3940 4564
kg 36 50 66 111 174 243 383 608 821 992 1308 1710 1891 2295 2700
BW lbs. 66 93 121 170 311 450 725 1190 1587 1753 2264 3373 3278 3940 4564
kg 30 42 55 77 141 204 329 540 720 795 1027 1530 1487 1787 2070

Overall NPS inch 26" 28" 30" 32" 36" 40" 42"
DN mm 650 700 750 800 900 1000 1050
RF BW inch 55" 63" 65" 70" 82" 82 3/4" 86 3/4"
mm 1397 1600 1651 1778 2083 2102 2203
RJ inch 55 1/2" 63 1/2" 65 1/2"
mm 1410 1613 1664
H inch 47 3/8" 52" 55 1/8" 55 1/8" 57" 60 1/8" 62 1/8"
mm 1203 1321 1400 1400 1448 1527 1578
Net weight RF lbs. 5754 7341 10196 11905 15873 18960 19400
kg 3195 3700 5781 6750 9000 10750 11000
BW lbs. 5754 7341 10196 11905 15873 18960 19400
kg 2610 3330 4625 5400 7200 8600 8800

SWING CHECK VALVE CLASS 600

Overall NPS inch 2" 2 1/2" 3" 4" 5" 6" 8" 10" 12" 14" 16" 18" 20" 22" 24"
DN mm 50 65 80 100 125 150 200 250 300 350 400 450 500 550 600
RF BW inch 11 1/2" 13" 14" 17" 20" 22" 26" 31" 33" 35" 39" 43" 47" 51" 55"
mm 292 330 356 432 508 559 660 787 838 889 991 1092 1194 1295 1397
RJ inch 11 5/8" 13 1/8" 14 1/8" 17 1/8" 20 1/8" 22 1/8" 26 1/8" 31 1/8" 33 1/8" 35 1/8" 39 1/8" 43 1/8" 47 1/4" 51 3/8" 53 3/8"
mm 295 333 359 435 511 562 664 791 841 892 994 1095 1200 1305 1407
H inch 7 7/8" 8 1/2" 9 1/4" 11 3/8" 13" 14 1/2" 16 7/8" 19 7/8" 23 3/8" 24 3/4" 28 1/2" 32 1/4" 38 3/8" 41" 43 3/4"
mm 200 216 235 290 330 368 429 505 594 629 724 819 975 1041 1111
Net weight RF lbs. 88 123 161 273 425 595 937 1488 2013 2429 3203 4189 4632 5622 6614
kg 40 56 73 124 193 270 425 675 913 1102 1453 1900 2101 2550 3000
BW lbs. 73 104 134 190 346 500 807 1323 1764 1947 2515 3748 3642 4356 5071
kg 33 47 61 86 157 227 366 600 800 883 1141 1700 1652 1976 2300

Overall NPS inch 26" 28" 30" 32" 36" 40" 42"
DN mm 650 700 750 800 900 1000 1050
RF BW inch 57" 63" 65" 70" 82" 82 3/4" 86 3/4"
mm 1448 1600 1651 1778 2083 2102 2203
RJ inch 57 1/2" 63 1/2" 65 1/2" 70 5/8" 83 1/8"
mm 1461 1613 1664 1794 2111
H inch 48 3/8" 53 1/8" 56 1/4" 56 1/4" 58 1/4" 61 3/8" 63 3/8"
mm 1229 1349 1429 1429 1480 1559 1610
Net weight RF lbs. 7826 9061 11023 12125 13779 14550 14749
kg 3550 4110 5000 5500 6250 6600 6690
BW lbs. 6393 7729 9480 11684 13338 13999 14242
kg 2900 3506 4300 5300 6050 6350 6460

SWING CHECK VALVE CLASS 900

Overall NPS inch 2" 2 1/2" 3" 4" 5" 6" 8" 10" 12" 14" 16" 18" 20" 22" 24"
DN mm 50 65 80 100 125 150 200 250 300 350 400 450 500 550 600
RF BW inch 14 1/2" 16 1/2" 15" 18" 22" 24" 29" 33" 38" 40 1/2" 44 1/2" 48" 52" 57" 61"
mm 368 419 381 457 559 610 737 838 965 1029 1130 1219 1321 1448 1549
RJ inch 14 5/8" 16 5/8" 15 1/8" 18 1/8" 22 1/8" 24 1/8" 29 1/8" 33 1/8" 38 1/8" 40 7/8" 44 7/8" 48 1/2" 52 1/2" 57 1/2" 61 3/4"
mm 371 422 384 460 562 613 740 841 968 1038 1140 1232 1334 1460 1568
H inch 13 1/8" 13 3/4" 12 5/8" 16" 17 3/8" 18 7/8" 22 1/4" 26 1/8" 30 1/2" 28 7/8" 33" 36 1/4" 41 3/8" 44 1/2" 47 1/4"
mm 333 349 321 406 441 479 565 664 775 733 838 921 1051 1130 1200
Net weight RF lbs. 154 243 243 441 639 838 1433 2535 3197 3858 5335 7165 8818 10803 12787
kg 70 110 110 200 290 380 650 1150 1450 1750 2420 3250 4000 4900 5800
BW lbs. 110 192 187 353 507 661 1146 2094 2601 3197 4519 5952 7275 8598 9921
kg 50 87 85 160 230 300 520 950 1180 1450 2050 2700 3300 3900 4500

SWING CHECK VALVE CLASS 1500

Overall NPS inch 2" 2 1/2" 3" 4" 5" 6" 8" 10" 12" 14" 16" 18" 20" 22" 24"
DN mm 50 65 80 100 125 150 200 250 300 350 400 450 500 550 600
RF BW inch 14 1/2" 16 1/2" 18 1/2" 21 1/2" 26 1/2" 27 3/4" 32 3/4" 39" 44 1/2" 49 1/2" 54 1/2" 60 1/2" 65 1/2" 71" 76 1/2"
mm 368 419 470 546 673 705 832 991 1130 1257 1384 1537 1664 1803 1943
RJ inch 14 5/8" 16 5/8" 18 5/8" 21 5/8" 26 5/8" 28" 33 1/8" 39 3/8" 45 1/8" 50 1/4" 55 3/8" 61 3/8" 66 3/8" 71 7/8" 77 5/8"
mm 371 422 473 549 676 711 841 1000 1146 1276 1407 1559 1686 1826 1972
H inch 13 1/8" 13 3/4" 15 3/8" 16 1/2" 18 3/8" 20 1/8" 26 3/4" 29 3/4" 33 3/4" 39 5/8" 42" 47 1/8" 51 1/8" 54 1/8" 57 1/8"
mm 333 349 391 419 467 511 679 756 857 1007 1067 1197 1299 1375 1451
Net weight RF lbs. 154 243 375 661 1096 1532 2535 4079 6063 7937 10803 14550 17967 21936 25904
kg 70 110 170 300 497 695 1150 1850 2750 3600 4900 6600 8150 9950 11750
BW lbs. 110 192 298 540 886 1235 2127 3263 4806 6250 8598 11574 14220 17031 19841
kg 50 87 135 245 402 560 965 1480 2180 2835 3900 5250 6450 7725 9000

BASIC TRIM MATERIALS

TRIM Number Nominal TRIM Material Type Seat Surface Hinge
Hardness [HB]  
1 F6 13 Cr 250 min 200 min-275 max
300 min
2 304 18 Cr – 8 Ni Manufacturer’s standard
5 HF Co – Cr A 350 min 200 min-275 max
5A Ni – Cr
8 F6 / HF 13 Cr 350 min 200 min-275 max
Co – Cr A 350 min
8A 13 Cr 250 min
Ni – Cr 350 min
10 316 18 Cr – 8 Ni - Mo Manufacturer's standard
12 316 / HF 18 Cr – 8 Ni - Mo Manufacturer's standard
Co – Cr A 350 min Manufacturer's standard
12A 18 Cr – 8 Ni - Mo Manufacturer's standard
Ni - Cr 350 min Manufacturer's standard