Already a subscriber? 
MADCAD.com Free Trial
Sign up for a 3 day free trial to explore the MADCAD.com interface, PLUS access the
2009 International Building Code to see how it all works.
If you like to setup a quick demo, let us know at support@madcad.com
or +1 800.798.9296 and we will be happy to schedule a webinar for you.
Security check
Please login to your personal account to use this feature.
Please login to your authorized staff account to use this feature.
Are you sure you want to empty the cart?
AWWA C517-16(R21) Resilient-Seated Cast-Iron Eccentric Plug Valves, 2016
- Foreword [Go to Page]
- I. Introduction. [Go to Page]
- I.A. Background. Resilient-seated cast-iron eccentric plug valves were introduced in the 1930s as tight-sealing and wear-resistant valves for handling fluids with solids content. The use of such valves has since grown for potable and wastewater application [Go to Page]
- I.B. History. Resilient-seated cast-iron eccentric plug valves were first standardized by the Manufacturers Standardization Society (MSS) in 1991, in standard practice SP-108. The need for standardization of resilient-seated cast-iron eccentric plug valves [Go to Page]
- I.C. Acceptance. In May 1985, the US Environmental Protection Agency (USEPA) entered into a cooperative agreement with a consortium led by NSF International (NSF) to develop voluntary third-party consensus standards and a certification program for direct
- II. Special Issues. [Go to Page]
- II.A. General. Conditions under which a valve is to be operated must be evaluated carefully by the purchaser. Torque requirements for valve operation vary considerably with differential pressure across the valve, fluid velocity, fluid temperature, and upstre [Go to Page]
- II.B. Advisory Information on Product Application. This standard does not cover all possible applications or manufacturing technologies. The purchaser should identify special requirements and required deviations from this standard and include appropriate
- III. Use of This Standard. It is the responsibility of the user of an AWWA standard to determine that the products described in that standard are suitable for use in the particular application being considered. [Go to Page]
- III.A. Purchaser Options and Alternatives. The following information should be provided by the purchaser.
- IV. Major Revisions. Major changes made to the standard in this revision include the following:
- V. Comments. If you have any comments or questions about this standard, please call AWWA Engineering and Technical Services at 303.794.7711, FAX at 303.795.7603; write to the department at 6666 West Quincy Avenue, Denver, CO 80235-3098; or email at standa
- AWWA Standard
- SECTION 1: GENERAL
- Sec. 1.1 Scope
- Sec. 1.2 Purpose
- Sec. 1.3 Application
- SECTION 2: REFERENCES
- SECTION 3: DEFINITIONS
- SECTION 4: REQUIREMENTS
- Sec. 4.1 Permeation
- Sec. 4.2 Data to Be Provided by the Manufacturer or Supplier
- Sec. 4.3 Materials
- Sec. 4.4 Design [Go to Page]
- Table 2 Prototype actuator test cycles required
- SECTION 5: VERIFICATION
- Sec. 5.1 Inspection
- Sec. 5.2 Testing [Go to Page]
- Table 3 Minimum duration of shell and seat tests [Go to Page]
- Table 4 Valve test cycles required
- Sec. 5.3 Basis for Rejection
- SECTION 6: DELIVERY
- Sec. 6.1 Marking
- Sec. 6.3 Affidavit of Compliance [Go to Page]
- APPENDIX A [Go to Page]
- Installation, Operation, and Maintenance of Resilient-Seated Cast-Iron Eccentric Plug Valves [Go to Page]
