Metal Diaphragm Valves for industrial application

Product catalog summary

Introduction
SED, established in 1984 and part of the ALIAXIS GROUP, specializes in valve technology and flow meters, focusing on diaphragm and globe seat valves made from plastic or metal. The company emphasizes modular construction for high-quality, reliable products with options for customization and prompt delivery.

Research and Development
The R&D department is equipped with modern technology, including a 3D CAD system linked to CNC machines, ensuring efficient and high-quality production with a focus on in-house manufacturing flexibility.

Product Features
SED valves are designed for both neutral and aggressive media, offering excellent flow characteristics and bubble-tight sealing. They are resistant to dirty media and can be installed in any position, preventing water hammer.

Valve Types and Specifications

Type 289/295: Manually operated metal diaphragm valves, available in sizes DN 10 - DN 15. Type 289 is plastic, while Type 295 features a stainless steel bonnet for higher temperatures.
Type 188/189: Pneumatically operated valves with plastic piston actuators, suitable for temperatures up to 150°C, available in sizes DN 10 - DN 15.
Type 985/987: Manually operated valves with non-rising handwheels, available in sizes DN 15 - DN 200. Type 985 is plastic, while Type 987 is metal for higher temperature applications.

Technical Data
Valves are designed to handle a range of temperatures and pressures, with specific models accommodating up to 150°C and 145 psi. They are maintenance-free and corrosion-resistant.

Applications
SED valves are used in various industrial applications, including desalination plants and cooling water distribution systems.

Conclusion
SED provides a comprehensive range of high-quality, reliable valve solutions with a focus on flexibility, customization, and efficient production processes.

Overview
The document details technical specifications and operational guidelines for pneumatically operated metal diaphragm valves, specifically Types 385, 587, and 487, designed for maintenance-free operation and capable of handling both neutral and aggressive media.

Specifications
Valves are available in sizes DN 15 to DN 200, capable of operating at temperatures up to 150°C, and designed to be insensitive to dirty media. They offer excellent flow characteristics and bubble-tight sealing, with installation possible in any position.

Technical Data
Includes tables outlining maximum operating pressures, control pressures, and flow coefficients (Cv and Kv) for various valve sizes and types. Specifies materials used for valve bodies and diaphragms, including stainless steel, cast iron, and ductile iron, with options for rubber, PFA, and PTFE linings.

Actuator Types
Valves can be configured as normally closed (NC), normally open (NO), or double acting (DA), with various actuator options available. Diagrams and charts illustrate the relationship between control pressure and working pressure for different configurations.

Accessories
A range of accessories is available for manual and pneumatic operation, including position indicators, stroke limiters, and solenoid valves, which can be assembled at the factory or on-site.

Quality Assurance
The document emphasizes the company's commitment to quality, highlighting its ISO 9001 certification and the importance of customer satisfaction, supplier performance, and employee contribution.

Ordering Information
An example guides the ordering process, specifying the type, size, material, end connection, diaphragm, and control function of the valve.

Catalog excerpts

Metal Diaphragm Valves for industrial application-2

SED was founded in 1984 and isengaged in the development, manufacture and distribution of valve technology and flow meters with a comprehensive range of control units and accessories. Continuous research and develop- ment guarantees that our products are of the highest quality and relia- bility. The company specialises in the production of diaphragm and globe seat valves in plastic or metal including actuation. The SED product range is based upon modular construction principles which provide many advantages for customers, including reduction in stock holding requirements, prompt delivery times...

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Metal Diaphragm Valves for industrial application-4

2 Construction 289 Handwheel operated actuator in plastic This compact designed valve is ideal for using where space is at a premium. The smooth contour finish of the plastic cover eliminating accumulation of dirt and is corrosion resistant.295 Handwheel operated actuator with stainless steel bonnet The same compact design as type 289 but with a stainless steel bonnet which allows this valve to be used for higher temperature, depending on the diaphragm material to be used. Features > Process media can be neutral or aggressiveliquid, and gaseous, dependent upon material selection of body and diaphragm...

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Metal Diaphragm Valves for industrial application-5

Information on SEDDiaphrahm Valves for Pharmaceutical and Biotech Processing see Leaflet TD970010 SizeDNWorking Pressure C > v -Value K > v -Value inchmmbargpmm > 3 / h > 1 / > 4 100 - 62.82.4 > 3 / > 8 120 - 63.32.8 > 1 / > 2 150 - 64.94.2 > Ordering example see page 18 Accessories see page 17 ׷ Options on request DIN EN ISO 9001Zertifikat: 71 100 A 039 SED\TD 010036 Rev. d Subject to alteration. size="-5">

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Metal Diaphragm Valves for industrial application-7

Control pressureconnection NOTyp 189 Control pressureconnection DATyp 189 Control pressureconnection NCTyp 188 > Executions NCorNO Information on SEDDiaphrahm Valves for Pharmaceutical and Biotech Processing see Leaflet TD970010 Control pressure connection SizeDNConnectionLengthWeight inchmmAL > 1 / > 4 10G > 1 / > 4 2.20"56 mm0.52Lbs. / 0.24kg > 3 / > 8 12G > 3 / > 8 2.20"56 mm0.50Lbs. / 0.23kg > 1 / > 2 15G > 1 / > 2 2.95"75 mm0.59Lbs. / 0.27kg > Ordering example see page 18 з Accessories see page 17 Options on request DIN EN ISO 9001Zertifikat: 71 100 A 039 SED\TD 010036 Rev. d Subject to...

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Metal Diaphragm Valves for industrial application-8

Metal diaphragm valve used in a desalination plant for sea water Distribution of cooling water with additional manual valves as emergency function Ordering example see page 18 Accessories see page 17 ׷ Options on request DIN EN ISO 9001Zertifikat: 71 100 A 039 8 > SED\TD 010036 Rev. d Subject to alteration. size="-4">

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Metal Diaphragm Valves for industrial application-10

Face to face DIN 3202Face to face Face to face MSS-SP88BS 5156 > gpmK m3 /hGG 25 GG 25 Rubber Lined**GGG 40.3 PFA Lined**GGG 40.3 PP Lined **GGG 40.3 PTFE LinedStainless SteelStainless Steel PFA Lined**GGG 40.3 PFA Lined**GGG 40.3 PP LinedStainless Steel **GGG 40.3 PFA Lined**GGG 40.3 PP LinedStainless SteelThreaded Socket 1.4435 or GG25 v v DN mm Size Inchoperating pressure bar operating pressure PSIC 15 > 1 / > 2 0 -100-14587XXXXXXX 20 > 3 / > 4 0 -100-1451614XXXXXXXXXXXXX 2510 -100-1452320XXXXXXXXXXXXX 321 > 1 / > 4 0 -100-1454236XXXXXXXXXXXX 401 > 1 / > 2 0 -100-1454740XXXXXXXXXXXXX 5020...

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Metal Diaphragm Valves for industrial application-17

024.89.xxx with Solenoid Valve and one/two Switch(es) > 024.11.xxx Execution: NC without cover NO and DA with cover Optical Position Indicator ASIBUS Position Indicator 024.90.xxx for manually and pneumatically Diaphragm Valves 024.10.xxx for NO, NC and DA with electromechanical Switch (not for Type 289/295) 024.91.xxx Stroke Limiter with two Electro mechanical Micro- Switches 024.92.xxx Electrical Limit Switch 024.12.xxx Execution: NC without Cover NO and DA with Cover Stroke Limiter with optical Position Indicator 024.13.xxx supplied with a transparent Cover Electrical Position Indicator up...

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Metal Diaphragm Valves for industrial application-18

Type 188 / 385 / 487 Pneumatically operated normally closed (NC) 189 / 587 / 487 Pneumatically operated normally open (NO) or double acting (DA) 289 / 295 / 985 / 987Manually operated Metal diaphragm valves Size10 - 200DN 10 bis DN 200 / > 1 / > 4 " - 8" Material 7Stainless steel (Valvebody)8Cast Iron Standard (GG25) 16Brass 80Cast Iron rubber-lined 11Ductile Iron (GGG40.3) PFA lined until DN100. Up DN 100 until DN 200 PTFE-lined 12Ductile Iron (GGG40.3) PP-lined until DN 100 71Stainless steel PFA-lined 14PTFE-lined End Connec-1Threaded socket tion51Face to face DIN 3202 Flange drilled to DIN...

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Metal Diaphragm Valves for industrial application-19

The essential areas of ourquality policy: Customers Employees Our customers are the source of our business, their ideas and wis- hes must be realised through the products of SED offers. The greatest asset of our company is its workface. All-embracing quality is not the result of individual effort, but of successful teamwork. The capacity to develop new ideas, to accept responsibility and to show initiative and creativity all lead to the continued progress of the firm. This way of working has to be achieved at every level and is assured by ongoing training. > Work processes At every one of the...

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Distributor SED Flow Control GmbH Raiffeisenstra֟e 10 AD-74906 Bad Rappenau Postfach 1306 D-74900 Bad RappenauTelefon +49 (0)7264/921-0 Telefax +49 (0)7264/921-21Internet: www.sed-flowcontrol.com E-Mail: [email protected] > ancompany SED\TD 010036 Rev. d Subject to alteration. 2255e 1 ׷ VI 05 Gr. size="-3">

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