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Vacuum isolation globe valve features
Vacuum isolation globe valve for nominal pressure PN4.0 ~ 10.0Mpa, working temperature ≤ 200 ℃ thermal power plant backwater condensing system pipe, cut off or connected medium. Applicable medium: water, steam and so on. Vacuum isolation globe valve structure features: Products designed and manufactured according to JB / T3595 standards to meet the power plant equipment supporting the use of requirements. Design vacuum packing structure chamber, isolation and reliable vacuum. Stem by the quenched and tempered surface nitriding, have good corrosion resistance, abrasion and abrasion resistance. Flange gasket composite material, the expansion coefficient, airtight, and ensure the system isolated from the atmosphere and reliable. Inverted seal with stainless steel threaded seal seat or body made of welded austenitic stainless steel, inverted seal and reliable. Filler replacement and maintenance can be carried out without downtime, convenient and does not affect the operation of the system. Materials for main parts: Body 25, WCB Cr5Mo Cover 25, WCB Cr5Mo Bracket 25, WCB Cr5Mo Flap 2Cr13, WCB Cr5Mo Stem 2Cr13 38CrMoAL, 25Cr2MoV Seat 25,304 304 Seal Ring Expansion Flexible Graphite Filler Expansion Flexible Graphite Valve Rod nut ZCuA110Fe3