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RM TECHNOLOGIES

Ammonia Valves & Assemblies

Valves and Assemblies for Chemical processing

Safety Relief Valves

  • They relieve pressures, liquid or vapor, that exceed the design pressure of a tank or piping system.
  • They have a finite life span due to the rubber seat; expiration noted on valve.
  • They are fitted with plastic caps to prevent contamination and as an indication that a valve has opened.
  • They are mounted on a three-way valve manifold allowing one valve to be open and the other isolated.

Hydrostats

  • They are installed on a piping system wherever liquid can get trapped in the line to release the liquid and prevent a hydrostatic eruption.
  • If a hydrostat leaks, a second hydrostat can be threaded into the first one making it unnecessary to drain the line for replacement.

Tank Filling Valves

  • They are the valves the vapor and liquid hoses are connected to when filling a storage tank.
  • They are fitted with protective caps to prevent contamination and to identify ammonia liquid and vapor connections.  The liquid cap is orange and the vapor cap is yellow.  
  • Vapor Connection: Controls the delivery pressure differentials by transferring vapor from one tank to another.
  • Liquid Connection:  Controls liquid withdrawal.
  • A vent valve should be installed between the fill valve and the protective cap to relieve pressure before protective cap is removed.

Vent Valves

They are installed to relieve pressure before a valve is opened.  

Excess Flow Valves

They are connected to all piping and hose connections to prevent a massive release in the event of a catastrophic line break; NH3 only.

Pressure Gauges

They measure the pressure inside a tank, usually a range of 0 - 400 psi. 

Valves and Assemblies for Chemicals

85% Outage Gauge

They indicate when a tank reaches the 85% liquid level.  Trace vapors are released when liquid level is below 85%; A puff of white smoke is released when liquid level is at or above 85%.

Liquid Level Gauge

Liquid level gauge reads the percent (%) of total tank capacity.  Capacity of tank (gallons) times the percent reading equals gallons.

Roto-gauges

  • They measure the liquid level of a tank.  You take the average of clockwise and counterclockwise readings.
  • ​When the dip tube reaches below the liquid level a puff of white smoke appears.

Pressure Transmitter

It transmits the pressure readings to the PLC to display on the screen for operators.

Level Transmitter

It transmits the level readings to the PLC to display on screen for operators.

Temperature Transmitter

It transmits the temperature readings to the PLC to display on screen for operators.

RM Technologies of America

www.ammoniapro.com

1-800-775-4280x

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