Valve body variants

Last updated: 28 พ.ย. 2566  |  3431 จำนวนผู้เข้าชม  | 


Valve body variants

We assist you to choose the correct valve for your application. Starting with the body you can select valves to control slurries, steam, aggressive liquids and materials which must remain pure. We offer four main methods for controlling fluids from our world renowned angle seat pattern to a range of quarter turn solutions. The choice is yours

Angle seatGlobeDiaphragmAdditional Body Solutions

1.Angle Seat

1.1 Angle Seat Continuous Control Valves

An uncomplicated control valve with large flows perfectly suited to steam, heat exchange and flow control applications. Our groundbreaking innovation provides you with superior features as standard. Bürkert has continuously improved its angle seat control valve to meet our customers’ demanding environments.

Uncomplicated and updated configuration and sizing tools are available online backed up with our local technical support.

 Media Neutral gases, water, alcohol, oils, fuel, hydraulic mediums, salt solution, alkali   solutions, organic solvents, steam, optional variants for oxygen and fuel gas
 Valve Body Stainless Steel
 Port connection Weld, Thread, Clamp
 Port connection   size DN 10 - 65; NPS 3/8" - 2 1/2"
 Flow coefficient Kv 5 to 90 m³/h; Cv 5.8 to 104 GPM (US)
 Media Pressure Vacuum up to 25 bar
 Media   Temperature -40 to 230 °C
 Approvals

 Drinking water Fuel gases Oxygen

 

 

1.2 Angle Seat On/Off Valves

The ideal alternative to complex actuated ball valves, the angle seat valve configuration is a real fit and forget solution. Bürkert’s quality is evident. We are known as the market leader with this pattern and it is deployed successfully around the world in thousands of customer’s machines and factories.

  • Flow below the seat – for all media. For soft opening and closing and waterhammer free operation For waterhammer free operation.
  • Flow above the seat – for compressible media such as gases and steam. Allows use of smaller actuator.
 Media Neutral gases, water, alcohol, oils, fuel, hydraulic mediums, salt solution, alkali   solutions,  organic solvents, steam, optional variants for oxygen and fuel gas
 Valve Body Gunmetal, Stainless steel
 Port connection weld, thread, clamp
 Port connection size DN 10 - 80; NPS 3/8" - 3"
 Flow coefficient Kv 2.4 to 140 m³/h; Cv 2.8 to 162 GPM (US)
 Media Pressure Vacuum up to 25 bar
 Media Temperature -40 to 230 °C
 Approvals

 Drinking water Fuel gases Oxygen

 

2. Globe

2.1 Globe Continuous Control Valves

A winning solution for many demanding control applications, the globe control valve is the standard in many industries. Bürkert’s idea is to take the standard to a new level in an compact, light weight envelope. These valves exhibit effective valve characteristics for continuous variation of the flow as a function of the parabolic plug position guided by a linear low friction stem.

Stainless steel or PTFE seals to give either Class IV or Class VI shutoff and each body size has a range of control plugs and corresponding replaceable seats for perfect sizing of any throttling application. State of the art online sizing tools make valve sizing easy and can even predict life-time considering caviation, flashing, choking and flow speed.

Flow Characteristics

3 kVs values per body size as standard feature with seat reductions the optimum flow characteristics for the application can be selected.

Medium temperature and pressure and ambient operating conditions per Globe On/Off specifications

 

 Media Neutral gases, water, alcohol, oils, fuel, hydraulic mediums, salt solution, alkali solutions,   organic solvents, steam, optional variants for oxygen and fuel gas
 Valve Body Stainless steel
 Port connection flange, weld, thread, clamp
 Port connection   size DN 10 - 100; NPS 3/8" - 4"
 Flow coefficient Kv 0.1 to 140 m³/h; Cv 0,12 to 162 GPM (US)
 Media Pressure Vacuum up to 25 bar
 Media Temperature -40 to 230 °C
 Approvals

 Drinking water Fuel gases Oxygen

 


2.2 Globe On/Off Valves

A compact alternative to many pneumatically actuated valves, this globe pattern valve is especially convenient for smaller spaces or for connections requiring flanges. It is a fit and forget solution which carries Bürkert’s angle valve quality.

 Media Neutral gases, water, alcohol, oils, fuel, hydraulic mediums, salt solution, alkali solutions,   organic solvents, steam, optional variants for oxygen and fuel gas
 Valve Body Stainless Steel
 Port connection Flange, Weld, Thread, Clamp
 Port connection size DN 10 - 100; NPS 3/8" - 4"
 Flow coefficient Kv 4.7 to 165 m³/h; Cv 5.4 to 190 GPM (US)
 Media Pressure Vacuum up to 25 bar
 Media Temperature -40 to 230 °C
 Approvals

 Drinking water Fuel gases Oxygen

 

 

3. Diaphragm

3.1 Diaphragm Continuous Control Valves

The weir pattern is quite unique in its ability to control very pure substances where a minimum of wetted materials and dead volumes are absolutely required although using a diaphragm valve without proper understanding of its inherent flow profile would present difficulties.

With the help of our range of very smart positioning software our diaphragm technology can be made to respond to the challenge of accurate and reliable flow and pressure control.

Our customers get all the resistance and drain-ability advantages of the weir pattern valve mixed with accurate control characteristics.

For the precise control of small volumes the bellow control valve (Type 2380) the perfect supplement for the diaphragm control valves.

A PTFE bellow eliminates contamination risks is robust, suitable for any media and comes with all necessary approvals. The stainless steel body is easy to clean and available in many configurations.

 Valve Body Forged Stainless Steel 316L/1.4435 BN2
 Stainless Steel Tube 316L/1.4435 BN2
 Investment Cast 316L/1.4435
 PVC
 PVDF
 PP
 Diaphragm Material EPDM, PTFE/EPDM, Advanced PTFE/
 EPDM, GYLON®/EPDM laminated
 Port Connection Stainless   Steel Weld, Clamp
 Port Connection Plastic Solvent, Union, Flange
 Port connection size DN 15 - 100; NPS 1/2" - 4"
 Flow coefficient Kv 3 to 235 m³/h; Cv 3.5 to 270 GPM (US)
 Media Pressure Vacuum up to 10 bar
 Media Temperature -10 to 143 °C (Steam sterilisation up to 150 °C for 60 min)
 Approvals 

3.2 Diaphragm On/Off Valves

Available in a wide range of plastic and metallic materials, this isolated and media resistant design has an excellent reputation for versatility and reliability in both aseptic and in industrial applications where corrosive, pure or abrasive media are controlled.

The diaphragm is the key performance component within a modular architecture and is relied on to provide leaktight shutoff to the downstream side of the weir, to atmosphere and to the actuator mechanism.

Standard and customized diaphragm materials are offered for requirements of temperature, chemical resistance or specific USP certifications.

We continuously develop our understanding of all aspects of polymer and rubber technology, diaphragm design and lean production techniques.

The bodies can be provided to meet many surface finish requirements and usually are accompanied by a host of quality and industry specific certifications or approvals.

The weir pattern of the valve has a very favorable flow characteristic and is also drainable and abrasion resistant. We deliver cast and forged stainless steel, hydro-formed bodies and plastics with many different process connections to a wide variety of customers who expect their particular solution works every time.

 Valve Body Forged Stainless Steel 316L/1.4435 BN2
 Stainless Steel Tube 316L/1.4435 BN2
 Investment Cast 316L/1.4435
 PVC
 PVDF
 PP
 Diaphragm Material EPDM, PTFE/EPDM, Advanced PTFE/
 EPDM, GYLON®/EPDM laminated
 Port Connection
 Stainless Steel
 Weld, Clamp
 Port Connection
 Plastic
 Solvent, Union, Flange
 Port connection size DN 6 - 100; NPS 1/4" - 4"
 Flow coefficient Kv 1 to 235 m³/h; Cv 1,3 to 270 GPM (US)
 Media Pressure Vacuum up to 10 bar
 Media Temperature -10 to 143 °C (Steam sterilisation up to
 150 °C for 60 min)
 Approvals 

4. Additional Body Solutions

Block solution with widest rane of configurations

We truly have more to offer when it comes to diaphragm valves. Because we take the design back to first principles and build on our experience. The patented Robo pattern also adds endless possibilities which simply cannot be achieved with combinations of standard diaphragm valves. We do our best to help you visualize the benefits with online configurators and descriptive quotations and our people are trained to offer you only the best solution in your daily application language.

 

Quarter turn valves – Ball valves

All the quarter turn valves can be actuated manually, electrically or pneumatically and can also employ all of the possible feedback and control modules available from one source.

Types 2657
True Union plastic ball valves, particularly suitable for industrial  applications, where high performances and long time reliability are  required. Longevity of the seals in situations where vibration or  thermal expansion occurs.
Type 8805 – Two piece ball valves with pneumatic actuator
Compact two piece full port ball valves. Stainless steel, a range of  threaded ready to accept a locking device. Investment cast stainless  steel body with blow-out proof stem.
Type 8805 – Three piece ball valves with pneumatic actuator
Compact three piece full port body in stainless steel for a variety of  applications with a range of end connection options.

Quarter turn valves – Butterfly valves

Type 2674 – Plastic butterfly valves
Wafer style plastic butterfly valves are perfectly suited for a wide  range of large line diameter. They can be manually, pneumatically or  electrically actuated. Up to DN 300.

Type 2671 – Metal butterfly valves
2-way butterfly valve which can be manually, electrically or  pneumatically operated. Body material is cast iron with a stainless  disc. Available in size DN 40 to DN 300 these valves compliment our   total process offering.

 

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