| Temperature: | Ordinary Temperature |
|---|---|
| Material: | Brass |
| Connection Form: | Wafer Type |
| Structure: | Tubular |
| Function: | Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence |
| Application: | Industrial Usage, Water Industrial Usage |
| Customization: |
|---|
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Audited Supplier 
| Body | Cast iron GG25 |
| Ductile Iron GGG40 | |
| Stainless Steel CF8M/SS316 | |
| Disc | Stainless Steel SS316/SS304 |
| AL Bronze | |
| Carbon Steel | |
| Seat Gasket | Rubber NBR/EPDM |
| Spring | Stainless Steel |
| Axle | Stainless Steel |
| Washer | TEFLON |
| Main connection dimensions | ||||||||
| Nominal diameter | D | D1 | R | L | t | D2 | weight(kg) | |
| DN(mm) | NPS(inch) | |||||||
| 50 | 2' | 105(4.134) | 65(2.559) | 29.73(1.17) | 54(2.12) | 25(0.984) | 32.18(1.26) | 2,8 |
| 65 | 21/2" | 124(4.882) | 78(3.071) | 36.14(1.423) | 60(2.38) | 29.3(1.154) | 42.31(1.666) | 3 |
| 80 | 3" | 137(5.39) | 94(3.701) | 43.42(1.709) | 67(2.62) | 27.7(1.091) | 66.87(2.633) | 3.8 |
| 100 | 4" | 175(6.89) | 117(4.606) | 55.66(2.191) | 67(2.62) | 26.7(1.051) | 97.68(3.846) | 5.5 |
| 125 | Lo | 187(7.362) | 145(5.709) | 67.68(2.665) | 83(3.25) | 38.6(1.52) | 111.19(4.378) | 7.4 |
| 150 | 9 | 222(8.74) | 171(6.732) | 78.64(3.096) | 95(3.75) | 46.3(1.823) | 127.13(5.005) | 10.9 |
| 200 | 8" | 279(10.984) | 222(8.740) | 102.5(4.035) | 127(5) | 66(2.598) | 161.8(6.370) | 22.5 |
| 250 | 10" | 340(13.386) | 276(10.866) | 126(4.961) | 140(5.5) | 70.7(2.783) | 213.6(8.490) | 36 |
| 300 | 12" | 410(16.142) | 327(12.874) | 154(6.063) | 181(7.12) | 102(4.016) | 237.9(9.366) | 54 |
| 350 | 14" | 451(17.756) | 375(14.764) | 179.9(7.083) | 184(7.25) | 89.2(3.512) | 312.5(12.303) | 80 |
| 400 | 16" | 514(20.236) | 416(16.378) | 198.4(7.811) | 191(7.5) | 92.5(3.642) | 351.0(13.819) | 116 |
| 450 | 18" | 549(21.614) | 467(18.386) | 226.2(8.906 | 203(8) | 96.2(3.787) | 409.4(16.118) | 138 |
| 500 | 20" | 606(23.858) | 514(20.236) | 248.2(9.72) | 213(8.374) | 102.7(4.043) | 451.9(17.791) | 175 |
| 600 | 24". | 718(28.268) | 616(24.252 | 297.4(11.709) | 222(8.75) | 107.3(4.224) | 554.7(21.839) | 239 |
| 750 | 30" | 884(34.8) | 772(30.39) | 374(14.724) | 305(12) | 150(5.905) | 685.2(26.976) | 659 |
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