BELLOWS SEALED GATE VALVES TO ISO 15761,

API 602 AND ASME B16.34

• Zero emissions, zero seal maintenance, firesafe construction
• Helium testing
• Guaranteed long bellows life with qualification test, cycle life2000 to 10000 cycles depending on working conditions
• Low emissions secondary sealing- Graphite gland packing- Backseat in open position
• Seat and wedge faces stellite faced
• Full thickness connector weld
• Seal welded body seats (to order)- Superior sealing performance particularly with hot gases such as steam, hydrogen
• Sealing check connection (to order) to the spaceabove the bellows
• Welded or bolted bonnet

 ASME class: 2500

• Closed dye forging

• Valve construction:
3 pieces, body/ext/bonnet

• Body/bonnetconstruction: full pen. welding or bolted

• Bellows unit: design with transition pieces

• Globe valves disc design: separated from bellows