1.This product has logical structure, reliable seal, excellent performance and nice design.
2.Sealing face is overlayed by STL, which is friction-resistant, corrosion-resistant to ensure a long time use life.
3.Stem Heat-Treatment and surface nitriding-treatment to sure function of corrosion-resistance and friction-resistance.
4.It has double seal, thus the capability is more reliable.
5.The stem may show the position of lift, thus it is more clearer.
6.The parts material, flange and butt welding dimension may selected according to current operating condition or users's requirement to meeting the requirements of various engineering.
Technical Specification:
Construction: BB-BG-OS&Y
Operation: Manual, Pneumatic
Design Standard: DIN3356
Face to Face Dimension: DIN3202
Flange Ends: DIN2543-2545
Test & Inspection: DIN3230
Products Performance Specification.
| PN (MPa) | Shell Test (MPa) | Sealing Test (MPa) | Suitable Temp (ºC) | Suitable Medium |
| 1.6 | 2.4 | 1.76 | -20ºC-350ºC | Water, Steam, Oil, Etc. |
| 2.5 | 3.75 | 2.75 | ||
| 4.0 | 6.0 | 4.4 |
Main Parts Materials.
| NO. | PART NAME | MATERIAL |
| 1 | Body | GS-C25, CF8, CF3 |
| 2 | Disc | 2Cr13, F304, F316 |
| 3 | Hinge Pin | F304, F316 |
| 4 | Bellows combination | F304, F316 |
| 5 | Bonnet | GS-C25, CF8, CF3 |
| 6 | Packing | Flexible graphite, PTFE |
| 7 | Gland | 25#, F304, F316 |
| 8 | Locator | 25#, F304, F316 |
| 9 | Stem Nut | ZQA19-4 |
| 10 | Hand wheel | Carbon Steel |
| 11 | Cap | 25# |
| 12 | Oil Nozzle | Brass |
| 13 | Hexagon Nut | ASTM A193 2H, A193-8, A193-8M |
| 14 | Bolt | ASTM A193 B7, A193-B8, A193-B8M |
| 15 | Gasket | Flexible graphite+S.S. PTFE |
| 16 | Stem | 2Cr13, F304, F316 |
Main External Dimensions.
| PN | PN16 | |||||||||||||
| DN | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 |
| L | 130 | 150 | 160 | 180 | 200 | 230 | 200 | 310 | 350 | 400 | 480 | 600 | 730 | 850 |
| H | 195 | 195 | 207 | 218 | 225 | 230 | 272 | 290 | 355 | 410 | 425 | 540 | 665 | 720 |
| W | 120 | 120 | 140 | 140 | 160 | 180 | 180 | 200 | 250 | 300 | 300 | 100 | 520 | 520 |
| Wt.(kg) | 4 | 4.5 | 5 | 7 | 9 | 12 | 18.5 | 23 | 38.5 | 56 | 75 | 113.5 | 235 | 395 |
| H | 7 | 7 | 12 | 13 | 14 | 15 | 19 | 23 | 28 | 35 | 42 | 52 | 64 | 75 |
| kv | 4.2 | 7.4 | 12 | 19 | 30 | 47 | 77 | 120 | 188 | 288 | 410 | 725 | 1145 | 1635 |
| PN | PN25 | |||||||||||||
| DN | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 |
| L | 130 | 150 | 160 | 180 | 200 | 230 | 200 | 310 | 350 | 400 | 480 | 600 | 730 | 850 |
| H | 195 | 195 | 207 | 218 | 225 | 230 | 272 | 290 | 355 | 410 | 425 | 540 | 665 | 720 |
| W | 120 | 120 | 140 | 140 | 160 | 180 | 180 | 200 | 250 | 300 | 300 | 100 | 520 | 520 |
| Wt.(kg) | 4 | 4.5 | 5 | 7 | 9 | 12 | 18.5 | 23 | 38.5 | 56 | 75 | 113.5 | 235 | 395 |
| H | 7 | 7 | 12 | 13 | 14 | 15 | 19 | 23 | 28 | 35 | 42 | 52 | 64 | 75 |
| kv | 4.2 | 7.4 | 12 | 19 | 30 | 47 | 77 | 120 | 188 | 288 | 410 | 725 | 1145 | 1635 |
| PN | PN40 | |||||||||||||
| DN | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 |
| L | 130 | 150 | 160 | 180 | 200 | 230 | 200 | 310 | 350 | 400 | 480 | 600 | 730 | 850 |
| H | 195 | 195 | 207 | 218 | 225 | 230 | 272 | 290 | 355 | 410 | 425 | 540 | 665 | 720 |
| W | 120 | 120 | 140 | 140 | 160 | 180 | 180 | 200 | 250 | 300 | 300 | 100 | 520 | 520 |
| Wt.(kg) | 4 | 4.5 | 5 | 7 | 9 | 12 | 18.5 | 23 | 38.5 | 56 | 75 | 113.5 | 235 | 395 |
| H | 7 | 7 | 12 | 13 | 14 | 15 | 19 | 23 | 28 | 35 | 42 | 52 | 64 | 75 |
| kv | 4.2 | 7.4 | 12 | 19 | 30 | 47 | 77 | 120 | 188 | 288 | 410 | 725 | 1145 | 1635 |
Application.
DIN Standard Bellow Sealed globe valve ( Os & Y Type ) is applied to various kinds of working conditions of pipelines such as petroleum, chemical industry, pharmacy, fertilizer, and power industry, etc, under nominal pressure in the PN1.6-40 MPa and operating temperature at -20 - 350ºC, that is used to cut off or connected to the pipeline medium.
