Onicon F-5200 Inline Manual do Utilizador descarregar pdf (Página 13)

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F-5200 Inline Thermal Mass Flow Meter Manual 05/14 - 0763-4 / 19476 Page 13

Installation Instructions

1. Thoroughly clean all ange surfaces removing all traces of any old gasket material or any

adhesive residue.

2. Inspect all ange surfaces for warping, pitting or other surface imperfections that may

prevent a good seal.

3. Use new bolts, nuts and hardened washers. Prior to installation, lubricate the bolt

threads, nuts, washer faces and the underside of each bolt head with lubricant (Fel Pro

C5A or equivalent). This lubricant is necessary to ensure uniform stress distribution on

the sealing surface. Use care not to get any lubricant on the gasket material.

4. Center the new gasket on the ange face. Do not allow the gaskets to protrude into the

ow stream.

5. Use the torque specications provided by the gasket manufacturer to determine the

proper torque setting.

6. Using a torque wrench, tighten the bolts in at least three stages (30%, 60% & 100%) using

a repeating pattern sequence of 12 o’clock to 6 o’clock to 3 o’clock to 9 o’clock around the

ange as shown in the diagrams below.

7. Leak test all connections.

Bolt Tightening Sequence

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 19 20

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Onicon F-5200 Inline Manual do Utilizador Página 13