Teflon Bellows Seals

Construction of seal
Face Seal : Carbon, Silicon Carbide, GFT, Ceramic
Metal Parts : SS 316, SS 304, HVMSelloy-C
Secondary seal : PTFE Bellows
Spring : HVMSelloy-C, Teflon Coverd Spring Steel

Operating Limits
Pressure : 5 BAR / 10 BAR
Temperature : -30. 120°C
Shaft speed : 1400 RPM

Seal Characteristics
Easy to install and operate
Easy to replace individual seal-wear parts
Separate from the bellows assembly.
Single acting / Balanced
Single helical coil spring
Independent of Direction of Rotation

Applications
Corrosive Chemicals
Salt organic compound

VAMECH Make Seal. It is PTFE construction. bellow is made from composite PTFE and Glass filled FIFE. Both ends are filled with Glass for better strength & seal face wear. 11 is with replaceable face seal Faces can be Silicon carbide, Tungeslon carbide, Carbon and Glass filled FIFE (GFT) and Ceramic. All wet parts are non-metallic. The stationary face is clamped type High purity Ceramic. It is externally fitted seal.

Application Flange
Temperature : Up to 90° C.
Velocity : Up to 14 Mts. / Second.
Pressure : Up to 3 Kg / Cm2
Application in : Highly corrosive liquid with abrasive particles. Silicon carbide & Tungsten carbide (Ni-bound) faces are provided for corrosive-Slurry application.

VAMECH Make Seal. It is PTFE + GFT construction. Bellow is made from composite PTFE and Glass filled PTFE. Both ends are filled with Glass for better strength & seal face wear. lt is direct drive seal No replaceable faces. Rotary face GFT as an integral part of bellow. All wet parts are non-metallic. The stationary face is clamped type High purity Ceramic. It is externally fitted seal.

Application Range
Temperature : Up to 90°C.
Velocity : Up to 14 Mts. /Second.
Pressure : Up to 3 Kg / Cm2
Application in : Highly corrosive liquid