Features
Integrated seal for Sulzer A pumps
Dual seal, balanced
Semi cartridge unit
Independent of direction of rotation
Double pressure balanced
Internal barrier fluid circulation
Static springs on both sides
No dynamic O-Ring on shaft
Rugged design
Shrink-fitted seal faces
Seal faces have a large clearance to the shaft
Wear part cost minimized
Optimized design for Non-Flow use
Advantages
Individually integrated to equipment for the best sealing result
Straightforward and easy installation
Static springs on both face sides reduces influence of misalignment
No damage of the shaft by dynamically loaded O-Rings
Extended service life due to rugged design
No brittle parts in contact with torque transmission pins
Seal faces protected by strong steel parts and a large radial clearance
Operating range
Temperature:
t = -20 °C ... +140 °C (-4 °F ... +284 °F)
(180 °C (356 °F) with Kalrez® elastomers)
Pressure:
p1 ... 25 bar (363 PSI), p3<12 bar (174 PSI)
Sliding velocity: vg ... 20 m/s (66 ft/s)
Stock content:<8 %
Non-flow operation:
Temperature:
t = +5 °C ... +100 °C (+41 °F ... +212 °F)
Pressure:
p1 max. 10 bar (145 PSI), p3 > p1
Sliding velocity: vg<10 m/s (33 ft/s)
Materials
Seal face: Silicon carbide (Q12), Carbon (A)
Secondary seals: FKM (V), EPDM (E), FFKM (K)
Metal parts: CrNiMo steel (G),
Grade 5A (4T), SMO 654 (4U)
Recommended applications
Pulp and paper industry
Chemical industry
Clean, abrasive or corrosive liquids
Stocks of various kind
Applications where crystallization is a problem
Sulzer Ahlstar A (MS11) centrifugal pumps
Notes
Double, quench and single seals have the same wear parts on the prouduct side, reduces stock holding costs
The dual seal can also be used as single seal by removing the atmospheric seal parts
Can be used with pressurized buffer fluid or with quench
Service
Provide special design
According to the requirements and conditions for the custom processing
Enactus Industrial, one of the professional manufacturers and suppliers of mechanical seals, now brings you the latest design enactus-lp-d burgmann lp-d replacement at competitive price. Should you have any special requirement, we can also offer you customized service. Welcome to wholesale bulk enactus-lp-d burgmann lp-d replacement with our factory and check the pricelist with us.