Uszczelnienia mechaniczne i systemy wspomagające
Mixer Seals - MSS
About this product
On older equipment, or where compression packing is being changed out for a mechanical seal, shaft wobble and eccentricities can be severe. The MSS seal was designed to work in these tough conditions where stuffing box face run-out, bore run-out and OD run-out are beyond the capabilities of seals designed primarily for centrifugal pumps.
Features and Benefits
- Handles shaft run-out up to 0.150 in. TIR
- The outside seal arrangement of the MSS seal makes installation, inspection and maintenance simple. Installation time is typically less than 45 minutes—with 10 simple steps and common hand tools.
- Non-metallic wetted parts—the only components of the MSS seal which contact process fluids (or gases) are the seal faces, insert mounting and shaft packing O-rings.
- Fits in tight spaces with no equipment teardown —can be installed in cramped stuffing box areas where the bearing housing, gearbox and/or coupling create obstructions.
- Can be run dry or wet —the self-lubricating faces and a design that dissipates heat from the seal faces make dry-running the MSS seal a practical alternative to packings and liquid-running seals on top-entry mixers. The MSS seal can run with wet faces and is a good choice for side-entry reactors and paper stock chests.
- Withstands pressure reversals —the MSS seal’s design compensates for pressure reversals and helps to ensure product purity.
Specifications
- Metal Components:
- 316 Stainless Steel
- Rotating Face:
- Carbon
- Stationary Face:
- Ceramic
- Tungsten Carbide (optional)
- Gaskets:
- Fluoroelastomer
- EPR (optional)
- Shaft Size:
- 25 to 305 mm (1.000 to 12.000″)
- Shaft run-out:
- up to 4 mm (0.150″) TIR
- Pressure:
- up to 5 bar (75 psi) – dry
- up to 7 bar (100 psi) – wet
- Speed:
- up to 350 rpm – dry
- up to 1.740 rpm – wet
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