Emerson 3051S Spezifikationen PDF herunterladen (Seite 20)

Reference Manual

00809-0200-4801, Rev CA

July 2010

Rosemount 3051S Series

2-6

Bolt Installation

Only use bolts supplied with the Rosemount 3051S or sold by Emerson

Process Management as spare parts. When installing the transmitter to

one of the optional mounting brackets, torque the bolts to 125 in-lb.

(0,9 N-m). Use the following bolt installation procedure:

1. Finger-tighten the bolts.

2. Torque the bolts to the initial torque value using a crossing pattern.

3. Torque the bolts to the final torque value using the same

crossing pattern.

Torque values for the flange and manifold adapter bolts are as follows:

Table 2-1. Bolt Installation

Torque Values

Bolt Material Initial Torque Value Final Torque Value

CS-ASTM-A445 Standard 300 in.-lb (34 N-m) 650 in.-lb (73 N-m)

316 SST—Option L4 150 in.-lb (17 N-m) 300 in.-lb (34 N-m)

ASTM-A-193-B7M—Option L5 300 in.-lb (34 N-m) 650 in.-lb (73 N-m)

Alloy 400 —Option L6 300 in.-lb (34 N-m) 650 in.-lb (73 N-m)

ASTM-A-453-660—Option L7 150 in.-lb (17 N-m) 300 in.-lb (34 N-m)

ASTM-A-193-B8M—Option L8 150 in.-lb (17 N-m) 300 in.-lb (34 N-m)

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