Operating Limits

Stuffing box pressure: 290 PSI

Temperature: 356 F

Speed: 65.6 feet per second












View ST 200 DCH
Mechanical Seal Brochure

Double Balanced Cartridge Design
   Operates with pressurized or non-pressurized seal water.
   The cartridge design makes installation much easier.

Heat Shrunk Faces
   Assures that the faces are secure when
   running in extreme conditions and process.

Isolated Springs
   Only one set of non-rotating springs are isolated
   from the process to prevent clogging and corrosion.

Sliding Piston Design
   Up to 5/32 inch total allowable end-play allows the seal
   to float with shaft during axial movement such as during
   an impeller adjustment.

Helical Style Nose
   Helps to remove process away from seal faces.

Teflon Slot Ring
   Prevents traditional o-ring erosion.

Materials
   Seal faces: SIC vs. SIC inboard
   SIC vs. Carbon outboard
   O rings: Viton standard
   Metallurgy: Type 316 standard
   Available in Titanium,Alloy 20,Hastalloy C.