LPS-151, LPS-151-R & LPS-155-S series are specially designed PTFE (Teflon) bellow Mechanical Seals for light & extremely corrosive chemicals including concentrated acids, salts, strong oxidising, reducing agents and chemically active organic compounds. These seals are independent of direction of rotation, these seals are externally mounted with easy installation procedure, these seals can be offered in composite & replaceable faces version. All the components which come in contact with media to be sealed are made of chemically inert materials, metallic components, clamp ring and springs are located outside of the pump’s stuffing box so does not come in direct contact of fluid, these seals are comfortable to use in wide range of application as below:
Material of Construction:
Seal Faces: (Dynamic & Stationary Ring)
Carbon, Ceramic (99.5%), GFT, CFT, Silicon Carbide
PTFE (Teflon) Bellow, Gasket
Hardware & Spring:
SS 316, SS 304, Monel, Alloy-20, Hastelloy-C, Spring covered by PTFE (Teflon) tube
Acid & acidic fluids
General & light chemicals
Extremely corrosive services
Single helical coil spring design
Independent of direction of rotation
Shaft diameter : 19 mm to 100 mm (0.75” to 4.0”)
Pressure : Up to 10 bar (kg/cm²)
Temperature : -30°C to 120°C
Shaft Speed : Up to 3000 RPM
Series: LPS-151 type seals are designed with GFT/CFT seal faces and highly flexible PTFE Bellow.
Series: LPS-151-R seals are designed with replaceable dynamic ring, this permits easy removal & replacement of the ring.
Series: LPS-155-S seals are developed with single helical coil spring covered by PTFE tube for extremely corrosive chemicals.