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Products > Large Industrial Valves > DIN Swing Check Valves

USE:

    Extraction, transportation and distrubution systems in: water, steam, gas and oil industry.

SCHEMATICS:

SERVICE CONDITIONS:

    Ambient temperature: from -35º C to + 40º C
    Service temperature: from -45º C to + 600º C

TECHNICAL CHARACTERISTICS:

    End-to-end dimensions:
       NP 16                       EN-558-1 48 series and DIN 3202
                                              part 1 row 6 for RF
                                              part 2 row 6 for BW
       NP 25 - NP 40        EN-558-1 1 series and DIN 3202
                                              part 1 row 1 for RF
                                              part 2 row 7 for BW
       NP 64 - NP 160     EN-558-1 2 series and DIN 3202
                                              part 1 row 2 for RF
                                              part 2 row 3 for BW
       NP 250      DIN 3202  part 1 row 3 for RF
                           DIN 3202  part 2 row 4 for BW
      Connection flanges:
          General Standard:    DIN 2501 and DIN 2526
                                               DIN 2512; DIN 2513
          Flanges Standard:    DIN 2543 for:      NP 16
                                                DIN 2544 for:      NP 25
                                                DIN 2545 for:      NP 40
                                                DIN 2546 for:      NP 64
                                                DIN 2547 for:      NP 100
                                                DIN 2548 for:      NP 160
                                                DIN 2549 for:      NP 250
       Weld ends:    DIN 3239
       Temperature pressure rating:   DIN 2401.
       Testing:   DIN 3230 and ISO 5208.
       Operation:   manual(handwheel, gear), electrical(actuator)

ND 40 50 65 80 100 125 150 200 250 300 350
NP 16 RF 180 200 240 260 300 350 400 500 600 700 800
BW 180 200 240 260 300 350 400 500 600 700 800
H 125 135 165 175 190 225 240 370 405 465 505
Weight RF 9 24 31 36 53 65 93 157 237 375 505
BW 8 22 25 28 35 58 73 127 207 304 441

ND 400 450 500 600 700 800 900 1000
NP 16 RF 900 1000 1100 1300 1500 1700 1900 2100
BW 900 1000 1100 1300 1500 1700 1900 2100
H 520 635 670 755 815 945 1115 1295
Weight RF 653 842 905 1340 2290 2885 3335 6180
BW 594 715 845 1295 2235 2805 3220 6020


ND 40 50 65 80 100 125 150 200 250 300 350
NP 25 RF 200 230 290 310 350 400 480 600 730 850 980
BW 200 230 290 310 350 400 480 600 730 850 980
H 130 140 170 180 195 230 245 375 410 470 510
Weight RF 15 28 37 45 72 100 142 232 358 522 666
BW 13 24 30 36 49 85 116 194 317 442 558

ND 400 450 500 600 700 800 900 1000
NP 25 RF 1100 1200 1250 1450 1650 1850 2050 2250
BW 1100 1200 1250 1450 1650 1850 2050 2250
H 525 640 675 760 820 950 1120 1300
Weight RF 869 1129 1185 1756 2756 4168 5218 7696
BW 737 985 1057 1552 2598 3667 4542 6870


ND 40 50 65 80 100 125 150 200 250 300 350
NP 40 RF 200 230 290 310 350 400 480 600 730 850 980
BW 200 230 290 310 350 400 480 600 730 850 980
H 130 140 170 180 195 230 245 375 410 470 510
Weight RF 20 32 43 54 90 136 191 306 479 668 826
BW 18 26 36 45 62 112 159 260 427 579 675

ND 400 450 500 600 700 800 900 1000
NP 40 RF 1100 1200 1250 1450 1650 1850 2050 2250
BW 1100 1200 1250 1450 1650 1850 2050 2250
H 525 640 675 760 820 950 1120 1300
Weight RF 1085 1415 1735 2173 3222 5451 7100 9213
BW 880 1255 1270 1810 2931 4528 5863 7720


ND 40 50 65 80 100 125 150 200 250 300 350
NP 64 RF 260 300 340 380 430 500 550 650 775 900 1025
BW 210 250 340 380 430 500 550 650 775 900 1025
H 150 160 190 200 215 250 265 395 430 490 530
Weight RF 30 35 49 64 108 171 240 380 605 818 989
BW 24 29 41 54 75 139 200 325 535 715 785

ND 400 450 500 600 700 800 900 1000
NP 64 RF 1150 1275 1400 1650 1800 2050 2250 2450
BW 1150 1275 1400 1650 1800 2050 2250 2450
H 545 660 695 780 840 970 1140 1320
Weight RF 1302 1705 1885 2695 3690 6740 8950 10600
BW 1015 1520 1475 2060 3320 5385 7180 8780


ND 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 700
NP 100 RF 260 300 340 380 430 500 550 650 775 900 1025 1150 1275 1400 1650 1800
BW 210 250 340 380 430 500 550 650 775 900 1025 1150 1275 1400 1650 1800
H 160 170 200 210 225 260 275 405 440 500 540 555 670 705 790 850
Weight RF 32 38 54 71 117 190 276 420 615 905 1095 1435 1885 2092 2980 4080
BW 28 32 45 59 84 154 223 362 595 792 875 1133 1690 1640 2290 3490


ND 40 50 65 80 100 125 150 200 250 300
NP 160 RF 260 300 340 380 430 500 550 650 775 900
BW 210 250 340 380 430 500 550 650 775 900
H 190 200 230 240 255 290 305 435 470 530
Weight RF 40 66 110 135 198 287 375 645 1145 1445
BW 32 48 85 102 157 225 295 510 940 1170


ND 40 50 65 80 100 125 150 200 250 300
NP 250 RF 300 350 400 450 520 600 700 800 900 1050
BW 210 250 400 450 520 600 700 800 900 1050
H 230 240 270 280 295 330 345 475 510 570
Weight RF 45 69 118 167 295 495 690 1110 1840 2740
BW 40 50 87 130 240 395 555 960 1470 2170

MATERIALS:

No. Name of Part DIN SPECIFICATION
Standard High Temperature Low Temperature Service
Standard -30°C 400°C -30°C 450°C -30°C 530°C -30°C 550°C -30°C 600°C -40°C 345°C -45°C 345°C
1 Body GP 240 GH G 20 Mo 5 G 18 Cr 5-5 G 17 Cr Mo 9-10 GX 15 Cr Mo 5 G 20 Mo 5 G 18 Mo 5
2 Disc Forged CR 25 15 Mo 5 13 Cr Mo 4-4 10 Cr Mo 9.10 12 Cr Mo 19.5 TT StE 36 * 15 Mo 32
Casting GP 240 GH G 20 Mo 5 G 17 Cr Mo 5-5 G 17 Cr Mo 9-10 GX 15 Cr Mo 5 G 20 Mo 5 G 18 Mo 5
3 Hinge Forged Ck 25 15 Mo 3 13 Cr Mo 4-4 10 Cr Mo 9.10 12 Cr Mo 19.5 * 15 Mo 3
Casting GP 240 GH G 20 Mo 5 G 18 Cr 5-5 G 17 Cr Mo 9-10 GX 15 Cr Mo 5 G 20 Mo 5 G 18 Mo 5
4 Spacer ST 37 – 3N 15 Mo 3 13 Cr Mo 4-4 10 Cr Mo 9-10 12 Cr Mo 19.5 * 15 Mo 3
5 Disc Nut Ck 25 Ck 35 24 Cr Mo 5 24 Cr Mo V-55 24 Cr Mo V-55 24 Cr Mo 5 24 Cr Mo 5
6 Hinge Pin X 10 Cr 13 X 10 Cr 13 X 10 Cr Ni Mo Ti 18.9 X 10 Cr Ni Mo Ti 18.9 X 10 Cr Ni Mo Ti 18.9 X 10 Cr Ni Ti 18.9 X 10 Cr Ni Ti 18.9
7 Ring of Distance ST 37 – 3N 15 Mo 3 13 Cr Mo 4-4 10 Cr Mo 9-10 12 Cr Mo 19.5 * 15 Mo 3
8 Bonnet Forged Ck 25 15 Mo 3 13 Cr Mo 4-4 10 Cr Mo 9-10 12 Cr Mo 19.5 * 15 Mo 3
Casting GP 240 GH G 20 Mo 5 G 18 Cr 5-5 G 17 Cr Mo 9-10 GX 15 Cr Mo 5 G 20 Mo 5 G 18 Mo 5
9 Bonnet Nuts Ck 45 Ck 45 24 Mo 5 24 Cr Mo V-55 24 Cr Mo V-55 24 Cr Mo 5 24 Cr Mo 5
10 Bonnet Studs 42 Cr Mo 4 42 Cr Mo 4 24 Cr Mo V-55 21 Cr Mo V-51.1 21 Cr Mo V-55.1 42 Cr Mo 4 42 Cr Mo 4
11 Threaded Plug Ck 35 Ck 45 24 Cr Mo 5 24 Cr Mo V-55 24 Cr Mo V-55 24 Cr Mo 5 24 Cr Mo 5
12 Cover Ck 25 15 Mo 3 13 Cr Mo 4-4 10 Cr Mo 9-10 12 Cr Mo 19.5 * 15 Mo 3
13 Bushing A439-D2c A439-D2c A439-D2c A439-D2c A439-D2c A439-D2c A439-D2c
14 Packing Washer Ck 25 15 Mo 3 13 Cr Mo 4-4 10 Cr Mo 9-10 12 Cr Mo 19.5 * 15 Mo 3
15 Gland Ck 25 15 Mo 3 13 Cr Mo 4-4 10 Cr Mo 9-10 12 Cr Mo 19.5 * 15 Mo 3

No. Name of Part  
16a Bonnet Gasket Plane gasket – graphite with metal filler
16b Spiral wound gasket – stainless steel with graphite filler
16c Ring-Joint gasket – carbon steel or stainless steel, as required
17a Packing Plug & Packing Cover Plane gasket – graphite with metal filler
17b Spiral wound gasket – stainless steel with graphite filler
18a Packing Graphite with metal filler and corrosion inhibitor
18b Graphite with corrosion inhibitor
19 Gland Flange Ck 25
20a Gland Nuts Ck 45
20b Cover Nuts Ck 45
21a GlandLug Studs 21b Cover Studs 42 Cr Mo 4 42 Cr Mo 4A193 -B7
22 Leverwith weight Subassembly (Carbon Steel)
23 Plate Carbon Steel
24 CapScrew Ck 35

BASIC TRIM MATERIALS:

TRIM Number Nominal TRIM Material Type Seat Surface Stem
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 250 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
12 A 18 cr – 8 Ni – Mo Manufacturer’s Standard
Ni -Cr 350 min Manufacturer’s Standard