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Fishbone Gasket
Liquefied Natural Gas

Liquefied Natural Gas Terminal

Equipment: Head of HP Barrel Pump

Temperature: Cycling between -56C to -196C

Service Pressure: 6 Bar

Test Pressure: 19 Bar

Gasket Dimension: 1060mm x1120mm x 4.5mm

Bolting: 36 @M27 bolts

Problem: Continuous gasket leakage problem during operation

Barrel Pump Cover

Fishbone Gasket

Type: Basic

Material: 316/ PTFE

Torque Applied: 480 N-m

Installed: September 2016

Operation: No Leaks for over 16 months

AIGI 324 running well in Sultzer pump, paper mill, Chile

H-13 Live-loading Disc Springs Applied in Residue Hydrotreating Device, Refinery Plant, China

Date: July 22, 2015

 

Equipment: Residue Hydrotreating Reactor

Working Temp.: 390 C degree

Working Pressure: 178bar

Medium: mixed with residue oil, wax oil, diesel, gasoline, H2S, hydrogen and so on.

Gasket: Ring Joint Gasket

Bolt Size: M95



H-13 Live-loading Disc Springs were installed in every flange joints of the reactor in early March. No leakage till now .

Fishbone™ for Heat Exchanger (Vertical) at Paper Pulp Mill, Chile

 

Before After
Spiral wound gasket damaged & unwinding
Fishbone™ installed easily, no breakage & unwinding

Fishbone™ at Steel Plant, Japan

> Equipment: Hot water inlet valve with steam & Coke furnace pipe with gas

Fishbone™ for Heat Exchanger at Chemical Plant, Japan