SNB-SNC ball valves
Installation and Maintenance Instructions
without notice
NEOJV-0044-EN-1306
These installation and maintenance instructions must
be read in full and completely understood before the
installation!
Contents
1 General information on the installation
and maintenance instructions
1
2 Safety
1
3 Sources of Danger
2
4 Identification
3
5 Dimensions and Weights
3
6 Installation
3
7 Notes on dangers during
installation, operation and
maintenance
6
8 Commissioning
6
9 Use
6
10 Servicing and Maintenance
6
11 Cause and remedy of
operating faults
7
12 Decommissioning
7
13 Spare parts
7
14 Disposal
7
15 Customer service
7
16 Validity of the Installation and
Maintenance Instructions
7
1. General information on the installation and maintenance instructions
These instructions contain information on how the valve should be safely installed and operated
in the prescribed manner. If any problems are encountered during installation or operation which
cannot be resolved with the aid of the installation and maintenance instructions, please contact the
supplier or manufacturer for more information.
These installation and maintenance instructions comply with the applicable EN safety standards.
When installing the fitting, the operator or the person responsible for the design of the installation
must ensure that applicable national regulations are complied with.
The manufacturer reserves all rights to make technical changes and improvements at any time.
The use of these installation and maintenance instructions assumes that the user is qualified to
‘Qualified Personnel’ level. Operating staff must be given appropriate training in the operating and
maintenance instructions.
2. Safety
Please also read through these notes carefully.
2.1. Meaning of the symbols
This symbol in the operating instructions indicates dangers.
2.2. General potential danger due to:
a) failure to observe the instructions
b) improper use
c) insufficiently qualified personnel
2.3. Correct Use
2.3.1. Area of application
Ball valves are bubble-tight shut-off industrial valves that can be used for the isolation, throttling
and regulation of corrosive gases, liquids, pastes and powder products in pipelines, vessels,
apparatus etc.
The surfaces of the of the body parts, together with the ball or C-core that are in contact with the
medium are coated with PFA. Ball seats and control orifice plates are available in various material
types and can be used to suit the medium.
2.3.2. Performance Data
Nominal diameter range :
DIN-PN16 and JIS 10K
DN 15 / 20 / 25 / 40 / 50 / 65 / 80 / 100 / 150
(ANSI 6” face-to-face with extension)
ANSI 150 lbs
1/2”, 3/4”, 1”, 1 1/2”, 2”, 2 1/2”
(DIN face-to-face), 3”, 4”, 6”
Pressure range
: 16 bar (0.1 mbar vacuum)
Test pressure = 1.5 x PN = 24 bar
Temperature range
: -40° to 180°C
2.3.3. Pressure-Temperature diagram for SNB-SNC ball valves
bar
Vacuum
NEOTECHA
Emerson.com/FinalControl
© 2017 Emerson. All rights reserved.
