Bellows Globe
Bellows Seal – Forged Steel Valves (download the full catalog here)
Bellows Seal Gate/Globe Valves:
- Zero emissions
- Helium leak test
- Low emissions secondary sealing
- Graphite gland packing
- Integral backseat
- Full strength weld
- Welded or bolted bonnet type
- Seat and wedge/plug disc stellite faced
Bellows Overview
- Gate Valves:
- Rising, non-rotating stem
- Full strength weld
- One-piece bonnet forging
- Flanged, BWE, threaded or socket weld ends available
- Packing gland bolt & nuts assure continued ease of packing adjustment
- Multi-ply bellows for extended life
- Heavy hex bolting facilitates ease of maintenance
- Hard faced seats and wedge for positive sealing and extended service life
- Globe Valves
- Rising, non-rotating stem
- Full strength weld
- One-piece bonnet forging
- Flanged, BWE, threaded or socket weld ends available
- Packing gland bolt & nuts assure continued ease of packing adjustment
- Multi-ply bellows for extended life
- Heavy hex bolting facilitates ease of maintenance
- Stellite-faced seats and plug disc for positive sealing and extended service life
Cycle Testing
- Cycle testing in accordance with API 602
- Bellows samples are extended and compressed at maximum working conditions until required cycle life is achieved
- 1 Cycle = Open to Close to Open
Pressure Testing of Each Valve
Post Cycling Penetrant Test of Bellows
Helium Leak Test
Download the full catalog here!
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