6 Installation procedure
6.1 Cathodic protection
Table 6-1: Standards for cathodic protection
Material Daniel standard cathodic protection
(1)
Carbon steel Zinc Phosphate
(1) Consult the factory for other protection.
6.2 Mechanical components assembly
Install the meter housing (e.g., flanges) onto the pipeline.
The meter housing internal components are assembled by the factory. The components
do not need to be uninstalled or reinstalled unless maintenance is required.
6.2.1
Fasteners
Property class of the fastener is in accordance with ASME B16.5.
Stud bolt and nut types
All fasteners (nuts and studs) used in assembling Daniel turbine meters are made of one of
the materials listed in the table below.
Table 6-2: Bolt material selection
Bolt material selection Description
ASTM SA 193 Grade B7 <63.5 mm (<2.5 in.) High strength low alloy steel
ASTM SA 193 Grade B7M <63.5 mm (<2.5 in.) Controlled strength low alloy steel
ASTM SA 320 Grade L7 <63.5 mm (<2.5 in.) High strength low alloy low temperature steel
ASTM SA 320 Grade L7M <63.5 mm (<2.5 in.) Controlled hardness low temperature steel
ASTM SA 449 <25.4 mm (<1.0 in.) Quenched and tempered steel
ASTM SA 453 Grade 660 High temperature stainless steel
Selection of flange stud bolts and nuts
• Select all fasteners (nuts and studs) used in a hydrostatic test according to the flange
size and quantity listed in ASME ANSI B16.5.
• Use the shortest stud bolt that permits full engagement of the thread through the nut
by hand-tightening.
• Use only clean, rust-free nuts and stud bolts.
User manual Installation procedure
P/N 3-9008-515 March 2019
User manual 73
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