Awwa C530-22 Pilot-Operated Control Valves PDF Download
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Author: Awwa
Publisher:
ISBN: 9781647170967
Category :
Languages : en
Pages : 0
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Book Description
This standard establishes minimum requirements for pilot-operated control valves of globe, angle, and wye body styles with various end connections in sizes from 1-1/2 through 60 in. (37.5 through 1,500 mm) in diameter, with water having a pH range from 6 to 9 and a temperature range from 40°F to 125°F (4.4°C to 52°C). The standard covers piston- and diaphragm-type valves suitable for a maximum steady-state fluid working pressure of 300 psig (2,070 kPa), a maximum steady-state differential pressure of 300 psig (2,070 kPa), and a maximum line velocity of 15 ft/sec (4.6 m/sec). 1.1.1 Body type and class. The valves described in this standard are provided in three body types (globe, angle, and wye) with various pilot-operating methods in pressure classes described as follows: 1.1.1.1 Angle body type. Classes 125, 150, 250, and 300; ASME flanges, National Pipe Thread (NPT) and grooved joint ends in sizes 1-1/2 to 60 in. (37.5 to 1,500 mm). 1.1.1.2 Globe body type. Classes 125, 150, 250, and 300; ASME flanges, NPT and grooved joint ends in sizes 1-1/2 to 60 in. (37.5 to 1,500 mm). 1.1.1.3 Wye body type. Classes 125, 150, 250, and 300; ASME flanges, NPT and grooved joint ends in sizes 1-1/2 to 60 in. (37.5 to 1,500 mm). Downloadable versions of current and historical standards are also available.
Author: Awwa
Publisher:
ISBN: 9781647170967
Category :
Languages : en
Pages : 0
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Book Description
This standard establishes minimum requirements for pilot-operated control valves of globe, angle, and wye body styles with various end connections in sizes from 1-1/2 through 60 in. (37.5 through 1,500 mm) in diameter, with water having a pH range from 6 to 9 and a temperature range from 40°F to 125°F (4.4°C to 52°C). The standard covers piston- and diaphragm-type valves suitable for a maximum steady-state fluid working pressure of 300 psig (2,070 kPa), a maximum steady-state differential pressure of 300 psig (2,070 kPa), and a maximum line velocity of 15 ft/sec (4.6 m/sec). 1.1.1 Body type and class. The valves described in this standard are provided in three body types (globe, angle, and wye) with various pilot-operating methods in pressure classes described as follows: 1.1.1.1 Angle body type. Classes 125, 150, 250, and 300; ASME flanges, National Pipe Thread (NPT) and grooved joint ends in sizes 1-1/2 to 60 in. (37.5 to 1,500 mm). 1.1.1.2 Globe body type. Classes 125, 150, 250, and 300; ASME flanges, NPT and grooved joint ends in sizes 1-1/2 to 60 in. (37.5 to 1,500 mm). 1.1.1.3 Wye body type. Classes 125, 150, 250, and 300; ASME flanges, NPT and grooved joint ends in sizes 1-1/2 to 60 in. (37.5 to 1,500 mm). Downloadable versions of current and historical standards are also available.
Author: AWWA Standard Committee
Publisher:
ISBN: 9781583219058
Category : Electronic books
Languages : en
Pages : 28
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Book Description
Author: American Water Works Association
Publisher: American Water Works Association
ISBN: 158321125X
Category : Technology & Engineering
Languages : en
Pages : 243
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Book Description
This operations manual explains the basic principles of electrical power distribution, automation, and instrumentation in water distribution, treatment, and storage systems. Chapters cover hydraulic and electrical principles, electric motor controls, measurement instruments and displays, pumps and valves, and automatic and digital controls.
Author: Daniel Alexander Okun
Publisher:
ISBN:
Category : Business & Economics
Languages : en
Pages : 272
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Book Description
This document provides officials in developing countries with a manual that can assist in the planning of community piped water supply systems and is intended to be the basis for the preparation of country planning manuals. A checklist for planning and priorities for selection of projects precedes the elaboration of principles for planning. Principles include consideration of health, economic and social benefits; environmental and social constraints; and technical, economic, financial, logistic, institutional, and sociocultural considerations. The use of low-cost indigenous materials, simplicity for easy operation and maintenance, financial and institutional capacity, and community participation are emphasized. Project preparation, including project identification, pre-feasibility studies, monitoring and evaluation and technical planning are described. Technical subjects include water quality, system capacity, selection and development of sources, pumps, transmission lines, distribution networks, and water treatment. Attention is given to operation and maintenance, economic and financial considerations, logistic support, and local institutions, including human resources development.
Author: American Water Works Association
Publisher: American Water Works Association
ISBN: 1583212183
Category : Cast-iron pipe
Languages : en
Pages : 250
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Book Description
Provides practical information about the design and installation of ductile iron pressure piping systems for water utilities. The 12 chapters outlines the procedure for calculating pipe wall thickness and class, and describes the types of joints, fittings, valves, linings, and corrosion protection a
Author: Richard Beale
Publisher: Gulf Professional Publishing
ISBN: 0128126620
Category : Technology & Engineering
Languages : en
Pages : 290
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Book Description
The Planning Guide to Piping Design, Second Edition, covers the entire process of managing and executing project piping designs, from conceptual to mechanical completion, also explaining what roles and responsibilities are required of the piping lead during the process. The book explains proven piping design methods in step-by-step processes that cover the increasing use of new technologies and software. Extended coverage is provided for the piping lead to manage piping design activities, which include supervising, planning, scheduling, evaluating manpower, monitoring progress and communicating the piping design. With newly revised chapters and the addition of a chapter on CAD software, the book provides the mentorship for piping leads, engineers and designers to grasp the requirements of piping supervision in the modern age. - Provides essential standards, specifications and checklists and their importance in the initial set-up phase of piping project's execution - Explains and provides real-world examples of key procedures that the piping lead can use to monitor progress - Describes project deliverables for both small and complex size projects - Offers newly revised chapters including a new chapter on CAD software
Author:
Publisher:
ISBN:
Category : Pipe, Steel
Languages : en
Pages : 174
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Book Description
Author: Winrock International Livestock Research and Training Center
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 144
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Book Description
The objectives of this study are to assess the role of small ruminants (sheep and goats) in the food production systems of developing countries, examine their advantages and disadvantages, analyze the constraints limiting their further contribution to the welfare of small farm/low income rural producers, prescribe measures for overcoming these constraints, and make recommendations related to potential donor involvement in support of the development of sheep and goat production. Small ruminants are viewed as an integral, but not dominant component of complex agricultural systems. Particular emphasis is placed on sheep and goats in mixed herds grazing dry rangelands and in small mixed farm systems in medium to high rainfall areas. An analysis of major constraints -- ecological, biological, policy, and socio-economic -- leads to recommendations on the need for a balanced production system approach for research, training and development programs, and for a combination of support activities such as herd health programs, and formulation of favorable credit, marketing and pricing policies for small ruminants and their products.
Author:
Publisher:
ISBN: 9781625761736
Category :
Languages : en
Pages :
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Book Description
Author: AWWA Staff
Publisher: American Water Works Association
ISBN: 1613000308
Category : Water
Languages : en
Pages : 72
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Book Description
