Ensuring Air Quality Compliance: Guidelines on Continuous Emission Monitoring Systems (CEMS) and Suspended Particulate Matter (SPM) by CPCB and SPCB

Introduction: In the pursuit of sustainable development and environmental conservation, the control of air pollution emerges as a crucial aspect. Regulatory bodies such as the Central Pollution Control Board (CPCB) and State Pollution Control Boards (SPCBs) play a pivotal role in setting guidelines to monitor and control emissions. In this comprehensive blog post, we will [...]

Advancing Water Resource Management: The Power of Continuous Groundwater Monitoring Solutions

Introduction: The importance of continuous groundwater monitoring cannot be overstated in the realm of water resource management. As communities grapple with increasing water scarcity and environmental concerns, a reliable and comprehensive approach to measuring water level and quality over time at local or regional scales becomes imperative. In this blog post, we will explore the [...]

Unveiling the Depths: The Comprehensive Guide to Continuous Groundwater Monitoring

Introduction: As the world grapples with growing concerns about water scarcity and environmental sustainability, continuous groundwater monitoring emerges as a critical tool for understanding and managing our most precious resource. In this comprehensive blog post, we will delve into the depths of continuous groundwater monitoring, exploring its significance, technologies, and the transformative impact it has [...]

Enhancing Environmental Sustainability through Comprehensive River Monitoring

Introduction: Rivers are the lifeblood of our planet, playing a vital role in sustaining ecosystems, and providing water for human consumption, agriculture, and industrial activities. As human populations grow and anthropogenic pressures increase, the need for effective river monitoring becomes paramount. This blog delves into the importance of river monitoring, the technologies involved, and the [...]

Control Valve

Control Valve 10,000 PSI Type HP-10 High Pressure Control Valve Read more 15,000 PSI Type HP-15 High Pressure Control Valve Read more 40,000 PSI Type HP-40 Ultra High Pressure Control Valve Read more 60,000 PSI Type HP-60 Ultra High Pressure Control Valve Read more Actuator, Electric (EVA-1) Read more Actuator, Electric (SEVA 100) Read more [...]

SRI990 RCV Analog Positioner

DESCRIPTION

The SRI990 RCV Analog Positioner with analog input 4…20 mA is designed to operate pneumatic valve actuators. It offers an easy adjustment by means of switches and potentiometers. The modular structure of this positioner series enables conversion from an analog to an “intelligent” positioner by exchanging the electronics.

SRD991 RCV Intelligent Valve Positioner

DESCRIPTION

The top-mounted SRD991 digital positioner is integral with the Type 766 actuator, spring opposed diaphragm actuator designed specifically to fit the Research Control Valve body-bonnet assembly. The unique positioner is compatible for both the 1/4 in. and 1/2 in. actuator.

SRD960 RCV Universal Positioner

DESCRIPTION

The SRD960 RCV Universal Positioner offers the most advanced technology available on the market today. This includes among others an infrared interface for wireless operation and configuration, a multilingual full-text graphic LCD, and an availability with the choice of all in the process automation applied communication protocols. It offers enhanced applications and methods to analyze recorded stroke data.

BLRA Pneumatic Actuator (Type 766)

DESCRIPTION

The Type 766 actuator with integral, top-mounted positioner is a pneumatically operated, spring-opposed diaphragm actuator designed specifically to fit the Research Control Valve body-bonnet assembly. The unit is available in two sizes: one for the 1/4 in. (6 mm) valve and another larger version for the 1/2…1 in. (12…25 mm) valves. The unit, when equipped with the model BLRA positioner, functions as an air-to-open actuator retracting the stem and opening the valve on an increasing instrument signal. The unit is designed to extend the stem, closing the valve, on a decrease or loss of instrument signal. A force-balance system is incorporated using the full force of the supply air to position the stem precisely and with a high degree of repeatability. This type of actuator should be used when the application calls for high positioning accuracy or when greater force is required over the standard actuator such as in the case of high shutoff pressures or excess packing friction.

FUNCTION

The Type 766 actuator normally operates in response to a 3…15 psi (0.2…1 bar) change in instrument signal or a 12 psi
(0.8 bar) range. The span, or range, of the instrument signal, is determined by the feedback range spring mounted directly under the positioner. The feedback range spring is responsible for sensing the position of the main diaphragm as the instrument signal
changes. The position is then transmitted through the spring, directly to the positioner diaphragm assembly. The valve spring, visible in the yoke area, provides the downward thrust necessary to counteract forces created within the valve. Consideration should be given to the amount of preload required for proper operation since the main valve spring only provides downward force.

Actuator, Pneumatic (Type PA58)

DESCRIPTION

The PA58 actuator is a pneumatic, multi-spring diaphragm actuator designed specifically to fit the RCV product line. The actuator can
be used with a wide range of valve solutions from larger process valves to high-pressure applications. The actuator is field reversible
(without additional parts) allowing flexibility within the field. This actuator is available air-to-open or air-to-close. The yoke and the actuator housings are made of carbon steel and coated with epoxy for corrosion resistance.

FUNCTION

The PA58 actuator normally operates in response to a 24 psi range. The signal range causes the valve to stroke a distance of
approximately 1 inch. Depending on the associated RCV valve, a positioner is needed if a shorter stroke is necessary.

STANDARD FEATURES

  • Reversible in the field (without additional parts)
  • Heavy duty construction
  • Powder coated for increased corrosion resistance
  • Simple design for easy maintenance