NVS-5|Carbon floating ring seal|Replacing EagleBurgmann WD200/500

Pressure: 0~2.0MPa

Temperature: -100~590℃

Speed: ≤115m/s

Shaft size : 45~340mm

Radial play: ≥±2.5 mm

Axial movement: theoretically unlimited

Metal parts: 1Cr13,304,316L,2205,2507, TA2,C276

Seal ring: Graphite, PTFE compound

Elastomer ring: FKM,EPDM,PTFE,FFKM

Spring: 316L,Hastelloy C

Features

Split-type housing structure

Segmented, multi-piece seal rings

Extremely small operating clearance for minimized leakage

Non-contact, dry-running operation

Seal rings automatically adapt to operating conditions

Benefits

Simplified installation due to split housing design, eliminating the need for shaft disassembly

Extended service life under continuous operation

Easy maintenance and servicing

Segmented seal rings allow quick and convenient replacement

 

NVS-5 is a dry running seal.This carbon floating ring seal consists of a seal housing, shaft sleeve, and multi-part seal rings, radially cut on process side, overlapped mortised with gas tight joints on atmosphere side (adjusting).NVS-5 is Split housing design,easy installation,maintainability,the carbon rings are self-adjusting seal rings.Carbon floating ring seals are used in turbines, compressors, and other rotating machines.Can be used as a replacement for Burgmann WD200/500 type.