Mechanical seal according to API 682 4EDTR6HT/4EDTR6HD

Double metal-bellows mechanical seal to API 682, 4th edition. Balanced cartridge seal, Arrangements 2 and 3.

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혜택

The double metal-bellows seal can be connected in accordance with all common API Plans,such as: 01, 02, 11, 31, 32 + 52, 53 (A, B, C) and 23 + 52, 53 (A, B, C). The seals are available for all of KSB's API pumps.
The space between the two mechanical seals is flushed with a buffer or barrier fluid, depending on the application. This completely absorbs any leakage of the fluid pumped. In addition, the heat is transported away from this area.
The double pressure balanced mechanical seal can be operated with pressurised barrier fluid or unpressurised buffer fluid.

Max allowable axial movem TSG: 1 mm
Min allowable axial movem TSG: -1 mm
Cartridge seal: Yes
Max allow.dynamic pressure TSG: 20 bar
Design Mechanical seal: Dynamic
Mechanical seal type: Balanced mechanical seal
Sealing type Mechanical seal: Double
Mtrl Mech seal bellows: M6 [INCONEL 718 (2.4668)]
Mtrl metallic compon.mech.seal: T4 [CARPENTER 42 (1.3917)/CRNIMO-STEEL(1.4571)]
Mtrl Secondary seal outboard: G [GRAPHITE]
Mtrl Secondary seal inboard: G [GRAPHITE]
Mtrl Mating ring outboard: Q2 [SIC-C-SI, COMPOSITE]
Mtrl Mating ring inboard: Q2 [SIC-C-SI, COMPOSITE]
Mtrl Primary ring outboard: A [CARBON, METAL-IMPREGNATED]
Mtrl Primary ring inboard: A [CARBON, METAL-IMPREGNATED],
Q2 [SIC-C-SI, COMPOSITE]
Dir of rotation Mech seal: Bi-directional
Max allow.sliding speed TSG: 23 m/s
Spring design Mechanical seal: Bellows
Max allow.static pressure TSG: 20 bar
Max allowed fluid temp TSG: 400 °C
Min allowed fluid temp TSG: -75 °C