Super Duplex Dual Plate Lug Type Check Valve
Body: Super Duplex Stainless Steel 4A, 5A, 6A, Duplex Stainless Steel, Alloy 20, CN7M, Hastelloy, Carbon Steel,
WC6, WC9, C5, C12, LCB, CF3M
Disc: Super Duplex Stainless Steel, Duplex Stainless Steel, Alloy 20, CN7M, Hastelloy, Carbon Steel, WC6,
WC9, ?C5, C12, LCB, CF3M, Super Duplex Stainless Steel 4A, 5A, 6A
Trim: SS304, SS316, SS304L, SS316L, 13%Cr.Steel, Stellite, Hastelloy, Alloy 20, Duplex Stainless Steel, Super
Duplex Stainless Steel
Gland Packing: Graphite, PTFE
Nominal Size: DN50 to DN600
Nominal Pressure: PN 1.0 to 25 Mpa, Class 150 to 2500
Design and Manufacture Standard: ANSI B16.34, API 6D, DIN 3840, BS EN 1868
Face to Face Dimensions: ANSI B16.10, API 6D, DIN3202, BS EN558-1
Flange End Dimensions: ANSI B16.5, DIN 2543, BS EN 1092-1
Buttweld End Dimensions: ANSI B16.25
Inspection and Test: API598, API6D, DIN3230, BS EN 12569
Dimensions? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Unit: mm
Class 150
| DN | L | D | D1 | D2 | n-?d |
| 50 | 60 | 103 | 120.5 | 92 | 4-19 |
| 65 | 67 | 122 | 139.5 | 105 | 4-19 |
| 80 | 73 | 135 | 152.5 | 127 | 4-19 |
| 100 | 73 | 173 | 190.5 | 157 | 8-19 |
| 125 | 86 | 196 | 216 | 186 | 8-22 |
| 150 | 98 | 222 | 241.5 | 216 | 8-22 |
| 200 | 127 | 279 | 298.5 | 270 | 8-22 |
| 250 | 146 | 339 | 362 | 324 | 12-25 |
| 300 | 181 | 409 | 432 | 381 | 12-25 |
| 350 | 184 | 450 | 476 | 413 | 12-29 |
| 400 | 191 | 514 | 540 | 470 | 16-29 |
| 450 | 203 | 549 | 578 | 533 | 16-32 |
| 500 | 219 | 606 | 635 | 584 | 20-32 |
| 600 | 222 | 717 | 749.5 | 692 | 20-35 |
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