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Sell Double offset High Performance Butterfly Valve

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  • Company Name :Lingluo Tech
  • Membership :Trade PRO Member since 2019
  • Registrarion Date :2018. 06. 13
  • CountryRegion:China
  • Address:NO.166 Renmin Road, Chengxiang Town ,Taicang City, Jiangsu Province. Suzhou Jiangsu, China
  • Phone / Fax:86-0512-53538211  /  
  • Contact:Nancy
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NSEN High performance Butterfly Valve are in Double offset design. Our unique live load packing seal design is adopted with good elasticity and high reliablity. The lip type sealing structure can compensate for the changes of temperature and pressure.

• Blow out proof stem

• API 6FA fire safe

• 2 Split shaft design

• Large flow capacity

• Lower torque

• Tight shut off

Valve Marking: MSS-SP-25,
Design & Manufacture: API 609, EN 593, ASME B16.34
Face to Face Dimension: API 609, ISO 5752 End Connection: ASME B16.5, ASME B16.47, EN 1092, JIS B2210, GOST 12815
Test and Inspection: API 598, EN 12266, ISO 5208, ANSI B16.104
Top Flange: ISO 5211

Double Offset Structure

Live loaded packing system Generally, people only focus on the internal leakage which occurs on the seat part but ignore the external leakage problem, i.e the leakage of packing part. Live loaded packing design with combined structure ensure NSEN Butterfly valve could meet max. leaking ≤20ppm. It makes packing sealing reliable and prolongs the maintenance-free period of packing.

Anti-blow out stem design

The anti-blow out structure is provided at the top of the shaft to prevent the shaft running out of the gland in case of accidental breaking of the shaft.

Adjustable stem packing

The packing system could be adjust through hexagon bolt, without remove the actuator .Packing system consists of packing gland, bolt, hexagon nut and washer. The normally adjustment could be done by Rotating 1/4 turn hexagon bolt.

Removable seat for convenient seat maintenance

The seat can be replaced through removing the inserts without the need of disassembling the disc and shaft.

Quantity over10000
Price US $0.5 - 9,999 / Piece

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  • Sell Double offset High Performance Butterfly Valve

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