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Single Spring Clutch Unbalanced PTFE Mechanical Seal-FTS05
Non API Seals

Single Spring Clutch Unbalanced PTFE Mechanical Seal-FTS05

Flow Tech Seal offers this single spring clutch unbalanced mechanical seal with PTFE-based secondary sealing components. The design uses a single spring arrangement with stainless steel metal components and is available with Carbon, Silicon and TC rotary face options.

Seal Size
20 mm to 100 mm
Pressure
Up to 10 kg/cm²
Speed
Up to 20 m/s
Temperature
-25°C to 250°C
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Suitable for Chemical, Oil Refinery and Textile Applications

This seal is specified for chemical plant, oil refinery and textile applications. The PTFE and GFT options make the construction suitable for services where chemical resistance is important. The catalogue provides different face and secondary sealing options for selecting the seal according to the application and operating conditions.

Design Highlights

Engineered features that improve reliability, performance, and service life.

01

Single spring clutch design

02

Unbalanced seal construction

03

PTFE secondary sealing arrangement

04

Stainless steel spring

05

Stainless steel back parts

06

Replaceable seal-face arrangement

Technical Specifications

Standard operating parameters for this mechanical seal.

Seal Type
Single Spring Clutch Unbalanced Seal
Seal Size
20 mm to 100 mm
Operating Pressure
10 kg/cm²
Operating Speed
20 m/s
Operating Temperature
-25°C to 250°C
Rotary Face Materials
Carbon, Silicon, TC
Stationary Seat Materials
Silicon, TC, SS, Ceramic

Material Construction

Available material combinations for various operating conditions.

Carbon
Silicon
TC

Silicon
TC
SS
Ceramic

PTFE
GFT

SS304
SS316
SS316L

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