Barksdale Series 20313 User Manual
Page 2
Barksdale, Inc. 3211 Fruitland Avenue, Los Angeles CA 90058 (800)835-1060 www.barksdale.com Bulletin No. 272378-B, 4-3-14
2
1.0 GENERAL
To ensure proper and safe operation of a Barksdale Regulator, the entire manual must be read and understood
clearly. Please pay special attention to all safety information.
This sign is used in this instruction is in case of hazards which might results in injuries and damages.
2.0 INTENDED USE
Barksdale's pressure regulators are sensitive, pressure-control devices used to maintain a pre-determined
pressure in a hydraulic circuit. The regulated output pressure is controlled by adjusting the spring force by air or
hydraulic motor or manually to balance the hydraulic loading. Design features ensure excellent accuracy,
repeatability and high flow coefficients. This regulator works on Shear-Seal® technology which uses fluid
pressure to maintain a leak-free metal to metal seal.
3.0 PED COMPLIANCE
To ensure that products intended for Europe meet the requirements of PED, it is necessary to determine the
proper PED classification. In the PED, pressure equipment can be classified one of the following categories.
• SEP (Sound Engineering Practice)
• Category I, II, III, IV
3.1 SEP Products
This product falls under SEP category as per PED directive
97/23/EC.
The SEP classification applies to pressure equipment that is not subject to Category I, II, III, or IV conformity
assessment, but must be designed and manufactured with “sound engineering practice” as defined by the PED.
3.2 Product Classification
Use the Table 1 below to find the PED category of a specific product. Due to PED Classification limitations,
some products may not be available at full rated pressures. Be sure to check the PED Product Classification
table for any limitations.
Table 1. PED categorization
Refer product configurator for more options.
4.0 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 regulator should be
installed by a trained service person. A media filter should be in the system to protect the regulator. It should not
be installed for safety purpose. 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 regulator improperly used
in the application or improperly installed and maintained.
MODEL
DESCRIPTION
PORT SIZE (in)
DN (mm)
PED CATEGORY
VALVE #
Inlet / Outlet / Vent
Inlet
PSI
Bar
Annex II Category
20313
1/2" Heavy Duty Shear‐Seal Regulator
0.5 / 0.5 / 0.5
12.7
5000
345
SEP
20313S6WQ2
Manual operated ‐ High Sensitivity
0.5 / 0.5 / 0.5
12.7
5000
345
SEP
20313S6WQ2‐1
Manual operated ‐ Full Range
0.5 / 0.5 / 0.5
12.7
5000
345
SEP
F20313S6WQ2
Air motor operated ‐ High Sensitivity
0.5 / 0.5 / 0.5
12.7
5000
345
SEP
F20313S6WQ2‐1
Air motor operated ‐ Full Range
0.5 / 0.5 / 0.5
12.7
5000
345
SEP
GF20313S6WQ2
Hydraulic Motor Operated ‐ High Sensitivity
0.5 / 0.5 / 0.5
12.7
5000
345
SEP
GF20313S6WQ2‐1 Hydraulic Motor Operated ‐ Full Range
0.5 / 0.5 / 0.5
12.7
5000
345
SEP
SUPPLY PRESSURE