TEFLON BELLOW UNBALANCED SEAL

SM-71 Seal are externally mounted Teflon bellow seal. It is mainly use to handle at corrosive media. Because the design of this seal elements the contact between metal parts of the seal and corrosive liquid which it handles. The seal contain PTFE + GFT composite bellows which is hydraulically balanced and is machined with high precision to form the prescribed contour.

Hardware PTFE + GFT Composite
Seal faces  
Seal ring GFT / CFT / SiC
Mating ring Ceramic / SiC
Secondary seal PTFE + GFT
Pressure Upto 5.9 kg/cm²
Temperature -45°C to 120°C
Speed Upto 3500 RPM

Salient Features :

  • Such type of seal does not affect on shaft or any other damage.
  • No dynamic elastomer.
  • Low maintenance.
  • It has replaceable faces.
    MULTI SPRING TYPE SEAL
SM-81 Seals are designed to handle clear liquids under normal PV condition. This type of seal do not require step on the shafts for installation, due to which, this are preferred choice for double tandem arrangements with external seal support systems & device. These seal required lower stuffing box for installation. These types of seals are used in Petrochemicals, Petroleum Refinery, Solvents, Hydrocarbons & General Industrial fluids.

Hardware SS 316 / SS 304 / Alloy 20 / Hastelloy C
Seal faces  
Seal ring Carbon / SiC / TC
Mating ring TC / SiC / Carbon / Ceramic
Secondary seal PTFE / FKM / FEP / Chemraz / TTV
Pressure Upto 35 Kg/cm2
Temperature

-40 ° to 280° C

Speed 4500 RPM

Salient Features :

  • No shaft fretting.
  • None clogging.
  • Uniform face loading.
  • Easy to replace individual seal-wear parts.
 
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