Triple Offset Multilevel Seal Butterfly Valve

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seat: Beijing
Validity to: Long-term effective
Last update: 2021-02-13 15:37
Browse the number: 152
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Product details

The major feature of NEWLOTOKE’s triple offset metal to metal butterfly valve is that the sealing structure is fundamentally changed through the sealing angle design. It does not rely on the elastic deformation of the valve seat, but completely relies on the contact surface pressure of the valve seat to achieve the sealing. In this way, zero leakage and Bi-direction tightness are achieved.
In response to the needs of different working conditions, we have developed a quintuple eccentric metal to metal bi-direction butterfly valve on the basis of triple eccentricity. It can be used in extreme working conditions such as ultra-high temperature, high pressure, and ultra-low temperature. It is our patented product. Its design is advanced in the world.


Design Feature+

· Frictionless

· Super long usage life

· Bi-directional sealing

· zero leakage in air pressure

· Renewable sealing ring

· Renewable seat

· Blowout proof stem

· Low emission packing

· Fire safe design


Design Standard+

· Design: API 609

· Face to face: API609 / ISO5752-20 / ISO5752-13 / DIN F4 /EN558

Flange end: ASME B16.5 / ASME B16.47 / EN1092-1 / GOST 12815 / Gost 33259 /MSS-SP44

· Butt-welding end: ASME B16.25

· Test: API598

· Fire safe: API607 / API6FA


Technical Specification+

· Size: 2”~104”(DN50~DN2600)

· Class: 150LB ~ 600LB / PN6 ~ PN100

· Connection: Double flange / Butt weld / Lug / Wafer

· Operation: Worm Gear / Pneumatic actuator / Electric actuator

· Temperature:-100~550℃

· Application:Direct heating / Iron and steel smelting / Circulating cooling water / Power plants


Material Option+

· Body&Disc: Carbon steel(WCB,LCB)

· Stainless steel(CF8,CF8M,CF3,CF3M) /

· Duplex stainless steel(4A,5A,6A) /

· Hastelloy alloy(N-12MV,CW-12MW,CW-2M) /

· Inconel alloy(CY-40,CW-6MC) /

· Monel alloy(M35-1) /

· Aluminium bronze alloy(C95400,C95500,C95800,AB2C)

· Stem: SS420 / 17-4PH / F51/ F53 / XM-19 / Monel-K500 / Inconel-625 / Hastelloy-276 / Titanium

· Disc Sealing: Laminated sealing(SS316+graphite,SS316+PTFE,SS316+RPTFE)

· Body Seat: A105+ SS304 / A105+ SS316 / A105+STL / F304+ Nitriding / F304+STL / F316+ Nitriding / F316+STL


http://www.newlotoke.com/

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