Barksdale Series 5620 - Manual (Page 3)

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Barksdale, Inc. 3211 Fruitland Avenue, Los Angeles CA 90058 (800)835-1060 www.barksdale.com Bulletin No. 272350-A, 07-05-13
3
2.0 INTENDED USE
This is a heavy duty Shear-seal
®
directional control valve. The valve is designed to be actuated
manually by handle. Actuator option is also available to actuate the valve. This 3 position valve is
designed to work with hydraulic oil, lubricated water or air as working media. Standard wetted materials
include stainless steel, bronze, ductile iron and Buna-N materials.
3.0 SAFETY INFORMATION
The recommendations below are general and it is the responsibility of the user to assure that
installation and maintenance are in accordance with local requirements, API and ASME practices. This
valve should be installed by a trained service person. A media filter should be in the system to protect
the valve. To maximize life it is suggested to follow ISO fluid cleanliness code ISO4406:1999 or
thereafter. Neither Barksdale nor its agents assume any liability for valves improperly used in the
application or improperly installed and maintained.
3.1 Marking of safety instructions in the operating manual
The safety instructions are intended to protect the user from dangerous situations and/or material
damage. In the operating instructions the seriousness of the potential risk is designated by the following
signal words:
Warning : Safety Instructions whose non-observance may be hazardous to persons, and/or cause
damage to property.
Caution: Safety Instructions whose non-observance may lead to product damage, or loss of
function. Product Marking: Nameplate and label marking on the equipment itself contains the primary
functional limits information. This information must be absolutely followed and kept in legible condition.
3.2 Qualifications and training of personnel
Operating, maintenance, inspection and installation personnel must be qualified to carry out their
respective duties. Areas of responsibility, competence, and proper levels of supervision should be
clearly defined by the user. If personnel are not sufficiently qualified, additional training and instruction
should be carried out, to ensure that operating instructions are fully understood by the responsible
personnel
3.3 Non-compliance with safety instructions
Non-compliance with these safety instructions can jeopardize the safety of personnel, the
environment, the valve and/or the system. Non-compliance with these safety instructions will lead to
forfeiture of any rights to claims for damages.
3.4 Safety Awareness
It is essential to comply with the safety instructions contained in this manual, along with the relevant
national, state and local health and safety regulations, and the operator’s own internal operating and
safety instructions.
3.5 Safety instructions for the operator/user
Isolate the valve from all system pressure before performing any service procedures. Leakage of
any dangerous liquids (toxic or hot) at any exterior mechanical joint seal must be drained off without
any danger to persons or the environment. All Federal, State and Local Rules regarding chemical
disposal and handling must be followed.
3.6 Safety instructions for maintenance, inspection and installation work
The user must ensure that all maintenance, inspection and installation work is carried out by
authorized personnel, who are familiar with the manual. As a rule all work on the unit should only be
carried out after the valve has cooled down and pressure has been released. Release pressure by
moving the valve handle fully in the left position and then fully in the right position. Proper tag out or
lockout is strongly recommended. Immediately after completion of work, all safety and protective