K300 Bellows Valve
Low or high pressure bellows valve. Operating range -40°C to +120°C ambient.
Key features
- Bellows sealed stop valve, low pressure, ambient
- Six seat sizes from 8 to 80 mm
- 100 bar version on the 8, 12 and 20 mm sizes
- Helium leak tested and serial numbered
- Manual or pneumatic actuation
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Request a quoteA stop globe valve with bellows sealing for low pressure service at ambient temperature, covering vacuum, pure and ultra pure gases, combustible, oxidising, toxic, corrosive, radioactive and noble gases. Six seat sizes run from 8 mm at Cv 0.78 to 80 mm at Cv 114, with low pressure versions of 15, 30 and 45 bar and a 100 bar high pressure version on the 8, 12 and 20 mm sizes. Every valve is helium leak tested, serial numbered and degreased for oxygen, with electropolished finishes, a visual open and close indicator, and manual handwheel or pneumatic actuation. AISI 316L body and bellows, seat in PCTFE, Vespel, Hastelloy C276 or Monel 400, Hastelloy bellows as an option.
Specification
| Orifice | 8 / 12 / 20 / 32 / 50 / 80 mm seat sizes |
|---|---|
| Maximum Inlet Pressure | 15 / 30 / 45 bar low pressure versions, 100 bar high pressure version on 8, 12 and 20 mm |
| In/Out Connections | butt welded orbital, butt welded, socket welded or metal face seal |
| Cv | 0.78 / 3 / 7 / 18 / 45 / 114 by seat size |
| Temperature | -40 to +120 C, seat dependent |
| Body Material | AISI 316L stainless steel |
| Seat Material | PCTFE, Vespel, Hastelloy C276 or Monel 400 |
| Technology | bellows sealed stop globe valve, manual or pneumatic |
Gases
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