Water Hydraulic Resources and Links to Other Sites

Standards, guides, resources:

Available from British Standards Institution:
BS 2917 Graphic symbols and circuit diagrams for fluid power systems and components. Part 1:1993 (=ISO 1219-1) Specification for graphic symbols

BS 4231: 1992 (=ISO 3448) Classification for viscosity grades of industrial liquid lubricants

BS 5501 Electrical apparatus for potentially explosive atmospheres
         Part 1: 1977 (=EN 50014) General requirements
         Part 2: 1977 (=EN 50015) Oil immersion 'o'
         Part 3: 1977 (withdrawn) Pressurized apparatus 'p'
                     replaced by BS EN 50016:1996
         Part 4: 1977 (=EN 50017) Powder filling 'q'
         Part 5: 1977 (=EN 50018) Flameproof enclosure 'd'
         Part 6: 1977 (=EN 50019) Increased safety 'e'
         Part 7: 1977 (=EN 50020) Intrinsic safety 'i'
         Part 8: 1988 (=EN 50028) Encapsulation 'm'

Available from Global Engineering Documents or call 1-800-854-7179:
NAS 1638: 1964 Cleanliness requirements of parts used in hydraulic systems (aerospace)

Available from National Fluid Power Association or call 414-778-3353:
ISO 1219-1:1991, Fluid power systems and components - Graphic symbols and circuit diagrams - Part 1: Graphic symbols

ISO 4406:1999, Hydraulic fluid power - Fluids - Method for coding the level of contamination by solid particles

ANSI/(NFPA)T2.13.8-1997 - Hydraulic fluid power - Fire resistant fluids - Definitions, classifications and testing

Available from International Organization for Standardization (ISO) or call +41 22 749 01 11:
ISO 12922:1999, Lubricants, industrial oils and related products (class L) - Family H (hydraulic systems) - Specifications for categories HFAE, HFAS, HFB, HFC, HFDR and HFDU

ISO 11218: 1993, Aerospace - Cleanliness classification for hydraulic fluids

ISO 3448:1992, Industrial liquid lubricants - ISO viscosity classification

ISO 6743-4:1999, Lubricants, industrial oils and related products (class L) - Classification - Part 4: Family H (Hydraulic systems)

Available from British Fluid Power Association (BFPA):
BFPA/P5 1999, Guidelines to Contamination Control in Hydraulic Fluid Power Systems

BFPA/P9 1992, Guidelines for the Flushing of Hydraulic Systems

BFPA/P75 1997, Water Hydraulics-A Guide to Products and Suppliers in the UK

BFPA/P81 1998, Guidelines on Seal Material/Fluid Compatibility for Fluid Power Applications

Environmental links:

National Fire Protection Association web site contains information and publications related to safety, disposal and environmental issues.

Environmental Protection Agency home page provides assistance in searching the EPA server as well as information on EPA's bulletin board systems, hot lines and dockets.

EPA's RCRA, Superfund and EPCRA home page contains announcements of new documents and contact information for the hotline and other EPA programs.

Enviro$ense home page focuses on pollution prevention programs and projects.

Educational links:

These sites contain articles, technical papers, research and seminars related to water hydraulics:

Institute of Hydraulics and Automation, Tampere University of Technology (Tampere, Finland)

Department of Mechanical Engineering (Bath, United Kingdom)

University of Bath (Bath, United Kingdom)

Water Technology

fluid.power.net (Virtual Engineering Laboratory)

Technical University of Denmark

Cracow University of Technology

Product locator links: