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Plastic Pressure Reducing Valves - Efficient Pressure Regulation for Various Applications



Plastic pressure reducing valves offer an efficient solution for precise pressure regulation in a wide range of applications. Unlike conventional metal valves, these valves are entirely made of high-quality plastic materials. They are known for their versatility and ability to meet specific requirements in demanding environments.

The benefits of plastic pressure reducing valves are diverse. They are corrosion-resistant and exhibit excellent resistance to aggressive chemicals, making them ideal for use in chemical plants, industrial processes, and other environments involving aggressive substances. Additionally, they are lightweight, allowing for easy installation and handling.

The choice of the appropriate plastic material for the pressure reducing valve depends on specific requirements. Polypropylene (PP), polyethylene (PE), polyvinyl chloride (PVC), and polyvinylidene fluoride (PVDF) are some commonly used plastics that can be selected based on the chemical properties of the medium, temperature resistance, and mechanical strength.

Plastic pressure reducing valves not only provide precise pressure regulation but also offer high reliability and durability. They can be employed in a variety of applications, including water treatment systems, chemical industries, food and beverage manufacturing, pharmaceutical production, and many others.

When selecting a plastic pressure reducing valve, it is crucial to rely on certified products from trusted manufacturers to ensure the highest quality and performance. Additionally, proper installation and regular maintenance are essential to ensure optimal valve functionality.

By utilizing plastic pressure reducing valves, you will obtain an efficient and reliable solution for precise pressure regulation in your applications. Trust in the versatility and quality of plastic valves to ensure optimal performance and safety. Consult with our experts to find and install the best plastic pressure reducing valves for your specific requirements.

Stübbeís pressure reducing valves are directly controlled by the medium and serve to reduce the primary pressure to the systemís operating pressure and maintain it constant in process engineering systems. However, it should be noted that they are not suitable as equipment with safety functions according to the Pressure Equipment Directive.

Stübbeís pressure reducing valves are used in a variety of applications, including:


- Chemical plant engineering
- Industrial plant engineering
- Water treatment

Valve function: The open pressure reducing valve is in equilibrium between the inlet pressure (primary pressure) and the lower operating pressure (secondary pressure). When the operating pressure rises or falls above or below the desired value, the large membrane is lifted against the spring force or pressed down by the spring force. As a result, the valve begins to close or open until an equilibrium state is reached. Regardless of whether the inlet pressure rises or falls, the operating pressure remains constant (assuming the inlet pressure is higher than the operating pressure).

Features:


- Pressure adjustment range from 0.5 to 9 bar
- EPDM membrane, PTFE-coated on the medium side
- Control valve for the secure reduction of system pressures to constant operating pressures
- Stable, low-vibration control behavior
- High reproducibility of the set pressure
- Valve adjustment possible under operating pressure

Additional options available on request:


- LABS-free
- Pressure pre-adjustment
- Gauge port
- Sealed


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Plastic pipe systems


Overview of plastic pipe systems
Technical information on ABS pipe systems
Technical information on PVC  U pipe systems
Technical information on PVC  U transparent pipe systems
Technical information on PVC  C pipe systems
Technical information on PP pipe systems
Technical information on PP-R pipe systems
Technical information on PE pipe systems
Technical information on PVDF pipe systems

Chemiedur - pipe


Technical information on UP-GF (FRP) pipe systems
UP-GF (FRP) pipes
UP-GF (FRP) molded parts and connection
UP-GF-PP (FRP) molded parts and connection
UP-GF (FRP) adhesive collars
UP-GF (FRP) loose flanges
Pot Strainer DN 200 - DN 500 Inliner PP/FRP Coated
Pot Strainer DN 200 - DN 500 Inliner FRP/CBL Coated
Angle Seat Strainer DN 200 - DN 400 Inliner FRP/CBL Coated
Manhole mad of FRP and PP/FRP

Plastic pipes


Calculator for cutting pipes
Guidelines for sawing plastic pipe
Leftovers in plastic pipe
Standardization of plastic pipes and molded parts
PVC U pipes deviations
Pressure loss in pipe systems out of PVC U, PVC C and ABS pipe systems
Distinction between Rp, R and G threads
Screw lengths for flange connections

Plastic fittings


PVC U transparent ball valves
Diaphragm valves
Block valves
Butterfly valves
Plastic needle valves

 

Plastic Valves according to ATEX


New EU guideline 2014/34/EU
Plastic Valves in EX zones
Y-Strainers PP-EL DN 15 - DN 50
Check valves PP-EL DN 15 - DN 50
Angle seat valves PP-EL DN 15 - DN 50

Bonding of plastic pipes


Bonding manual
Video showing the bonding of pipes

Plastic welding


Guidelines for extrusion welding


Grids / support grids


GFK grids
Grids out of PP -el electrically conductive
Profile support grids out of PP -el electrically conductive


Molded ventilation parts


Ventilation technology


Chemical hose


PVC transparent hose with fabric inlay


Industrial tanks and chemical containers


Dosing tanks and outer containers 35 – 1000 Liter
Salt dissolving tanks 60 -5000 Liter
Storage tanks and vats
Storage tanks for water
Safety and collecting troughs
Industrial tank delivery program
Dosing tanks with agitator
Dosing tank agitators
Dosing tanks with attachments
Dosing tanks made of sheet material
Customized chemical containers
Dosing tanks with level indicators



 

IBC TANKS/CONTAINERS


IBC screw caps DN 150/DN 200
IBC adapters out of PE
IBC adapters out of PP
MULTI FLEX BLOCK for IBC BULK CONTAINER


Attachment parts for tank construction


Vapor separators
CO2 - absorbes
Manholes
Revision nozzles
Block flange

Filter housings and filter cartridges


PENTEK 3G Slime Line filter housings
PENTEK 3G Standard filter housings
PENTEK Big Blue filter housings
PENTEK PP high temperature filter housings
PENTEK PP all nature filter housings
PENTEK filter bags for Big Blue filter housings
PENTEK surface filter cartridges
PENTEK filter cartridges for depth filtration
PENTEK filter cartridges with activated carbon
CINTROPUR filter systems
CINTROPUR water filters

Flange configurator


Blind flanges, loose flanges,  rectangular flanges

Chemical resistance


Table of chemical resistance for plastic pipe systems
 

Machined plastic parts


Inserts
Screw-in parts
Threaded fittings
Screw fittings

Milled plastic parts


Loose flanges and blind flanges made of sheet material

Static mixers


Static mixers made of plastic

Strainers


Single-type and double-type strainers
Pot strainer DN 300
Angle seat strainer DN 500


Flow meters


Variable area flow meters
Configuration tool for flow meters

Filter presses


Laboratory filter presses

Injection molded parts


Scraper made of PE for filter press


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