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valves

Ammonia pipeline comparing linear two second closure (top case) and a two-second closure using Swaffield & Boldy’s recommended 80/20 valve closure rate.  Valve closure surge pressure significantly reduced using 80/20 guideline.
Valves
Applying Valve Closure Concepts to Complex Process Piping Systems
Water hammer analysis software can help improve reliability of systems.
Dissolved air flotation feed control pinch valves equipped with electric motor actuators at a plant in Meridian, Florida.
Valves
Pinch Valves for Extreme Conditions in Water & Wastewater
How these valves compare to other options for an application.
market analysis
Pumps
Wall Street Pump & Valve Industry Watch, August 2022
Major stock indexes have fallen in the last year.
gas
Pumps
New Industrial Pump Station Ensures Reliable Water Service to Refineries
Most of the infrastructure supplying 5 major petroleum companies needed rehabilitation or replacement.
engineer inspecting a pump system
Pumps
Manage Flow Control Assets to Ensure Maximum Productivity
Ineffective maintenance can lead to serious consequences.

The Type-21a SST ball valve produces equal percentage flow characteristics for fine throttling.
Valves
4 Considerations for Valve Automation
The application, cost and control system scheme can all play a part in choosing an actuator.
podcast graphic
Pumps
Episode 64: February 2022 Issue & Interview With NGWA President Brian Snelten
Snelten updates the groundwater industry on what's ahead in 2022.
A specialized tapered-body knife gate valve has a displacement pocket fabricated into the valve body, which enables the valve to close through a standing column of dry, packed material.
Valves
Defining Expectations During Valve Selection
Considerations for valves that are often overlooked or undefined.
Three Awarded William Sandler Scholarship by Valve Manufacturers Association

WASHINGTON, D.C. - The Valve Manufacturers Association of America (VMA) awarded its 2021 William Sandler Scholarship award to three standout students, Kerri Piper of Dublin, PA, Lucas Della Costa of Munster, IN, and Kasey Piper of Dublin, PA.

  • Read more about Three Awarded William Sandler Scholarship by Valve Manufacturers Association
IMAGE 1: A typical pump station design with common components include a pump control valve and controller, check valve, air valve, surge relief valve and isolation valves. (Image courtesy of DeZURIK, Inc.)
Valves
Valve Selection for the Safe Operation & Protection of the Pump Station
A variable speed pump station design will require additional considerations.
HI FAQ
Pumps
Valves' Effect on Flow Rate & Water Hammer
Not all valves are well suited for controlling system flow rate.

stocks
Pumps
Wall Street Pump & Valve Industry Watch, December 2021
Companies and suppliers continue to deal with hurdles to meet increasing demand despite increasing prices.
supply chain
Pump Industry Insider
Wall Street Pump & Valve Industry Watch, November 2021
Factories waiting longer for supplies.
AODD Pump
Pumps
The Versatility of AODD Pumps
A look at centrifugal and AODD pumps and their advantages and disadvantages.
blacoh chemical
Pumps
Chemical Process Flow Applications: A Guide to Steady-State & Transient Pressure Issues
How to address problems with computer modeling and pressure monitoring.
IMAGE 1: Valve orientations in a hydro separator (Images courtesy of DeZURIK, Inc.)
Valves
Valve Solutions for Mine Dewatering
Factors such as scaling, orientation and cycle time must be considered to avoid potential issues.
IMAGE 1: A flow rate reduction comparison for different valve closure times, showing increasing valve closure time, does not necessarily reduce flow and, therefore, surge pressure, proportionally. (Images courtesy of Applied Flow Technology)
Valves
How to Avoid Valve Closure Water Hammer
The more gradually a system can slow its flow, the better a pressure surge is mitigated.

market analysis
Pumps
Wall Street Pump & Valve Industry Watch, August 2021
Renewable energy consumption increased to a record high of 11.6 quads.
Flowrox Sells Pump & Valve Business to Neles

FINLAND - Flowrox, a Finland-based company sold its valve and pump businesses to Neles, a listed Finnish manufacturer of industrial valves. The deal also includes the Flowrox brand. Flowrox’s industrial automation, environmental technologies and filter business are excluded from the acquisition and will continue under a new, later to be announced name and brand.

  • Read more about Flowrox Sells Pump & Valve Business to Neles
Hydraulic Institute and Valve Manufacturers Association Present Virtual Market Outlook Workshop

Parsippany, NJ - Hydraulic Institute (HI) and The Valve Manufacturers Association of America (VMA) announce the 2021 Virtual Market Outlook Workshop, taking place virtually, Aug. 5 – 6.

  • Read more about Hydraulic Institute and Valve Manufacturers Association Present Virtual Market Outlook Workshop
Comparison of Load Characteristics
Valves
Ensure Safe Operation of Valves in High Pressure Applications
Understand how to maintain safety and reliability.
podcast graphic
Pumps
Podcast: Challenges of Process Flow Control
Understand the common impacts on stable flow in a process.

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