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6724

Product catalog summary

Overview: The document is a technical data sheet for the Whisper Valve Type 6724, a solenoid valve designed for high chemical resistance, compact design, and silent operation. It is ideal for medical devices and analytical equipment where space and noise are critical.

Specifications:

Design: Available as 2/2 or 3/2-way valve with media separation, in DN 0.8 mm and 1.2 mm sizes.
Performance: Operates with noise levels below 20 dB(A) and low power consumption, featuring high back-pressure tightness and a 100% duty cycle.
Materials: Valve body options include PEEK, PPS, or PVDF, with seals in FFKM, EPDM, FKM, and FFKM HCR for chemical resistance.
Electrical: Operates at 12 V DC or 24 V DC with a nominal power of 1.25 W.
Pressure Range: Supports vacuum up to 5 bar for DN 0.8 mm and up to 3 bar for DN 1.2 mm.

Product Variants: Available in various configurations, including different sub-base sizes and connection types (threaded, tube connector).

Circuit Functions: Supports normally closed (NC), normally open (NO), and impulse variants.

Approvals and Conformities: Complies with EU Directives and FDA regulations for materials in contact with food and beverages.

Materials and Construction: Detailed breakdown of materials used, emphasizing chemical resistance and durability.

Dimensions: Detailed dimensions provided for various configurations to ensure compatibility with installation requirements.

Ordering Information: Includes details on ordering the valve and accessories like manifolds and cable plugs.

Technical Specifications: Detailed specifications for Bürkert sub-bases and solenoid valves, including dimensions, materials, and connection types. Sub-bases available in sizes like 9 x 26 mm and 26 x 57 mm, with horizontal orientation and threaded port variants.

Flange Patterns: Specifies flange patterns for Bürkert sub-bases with dimensions in millimeters, outlining threaded connections for 2/2-way and 3/2-way variants.

Product Connections: Details electrical connections for solenoid valves, including pin assignments for impulse variants, and describes operation of 2/2-way and 3/2-way impulse solenoid valves.

Ordering Information: Guidance on ordering Bürkert products through eShop and product filter, with an ordering chart specifying circuit functions, port connections, orifice sizes, and material types.

Accessories: Lists accessories like cable plugs and fittings for customization, with article numbers for various types, including those with boost-close and soft-close electronics.

Key Parameters:

Dimensions provided in millimeters.
Fastening screws included with sub-bases.
Electrical connections specified for different solenoid valve types.
Ordering charts detail circuit functions, pressure ranges, and material specifications.
Accessories available for further customization and optimization of solenoid valves.

Catalog excerpts

burkert FLUID CONTROL SYSTEMS DTS 1000262565 EN Version: Y Status: RL (released | freigegeben | valide) printed: 19.12.2025 Pressure controller for precise time-pressure dosing 2/2 or 312-way Whisper Valve with media separation • Highest chemical resistance • Compact design with 8.9 mm installation width • Very fast, almost silent switching with < 20 dB (A) and very low power consumption • High back-pressure tightness, excellent cleanability and 100% duty cycle Product variants described in the data sheet may differ from the product presentation and description. Type description Many fluidic processes moving closer to where they are actually required. In the field of medical devices, for example, treatments such as dialysis can be provided to patients in convenient surroundings at home. Washing units in analytical equipment are positioned on the pipetting arm or directly on the print head in printing applications. This imposes different requirements on the components used. Solenoid valves must be able to switch without being heard. They need to be smaller and lighter to be used in mobile devices. However, their ability to achieve a long service life and excellent switching characteristics is every bit as important. The Whisper Valve Type 6724 combines all of these traits and, thanks to its modular structure and range of available material variants, this valve is universally applicable. Standard | EU | en | 2025-12-12 | 20 © Christian Burkert GmbH & Co. KG, Subject to alteration Visit product website ►

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DTS 1000262565 EN Version: Y Status: RL (released | freigegeben | valide) printed: 19.12.2025 FLUID CONTROL SYSTEMS 1. General technical data 3 Visit product website ►

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DTS 1000262565 EN Version: Y Status: RL (released | freigegeben | valide) printed: 19.12.2025 burkert1. General technical data1.1. General data Product properties Dimensions Further information can be found in chapter "6. Dimensions" on page 8. Seal FFKM, EPDM, FKM, FFKM HCR (High Chemical Resistance) Valve body PEEK, PPS, PVDF Internal volume Burkert sub-base (9 x 26): approx. 38 pl Burkert sub-base (26 x 57) horizontal: approx. 93 pl Threaded variant UNF %"-28: approx. 59 pl Tube connector: approx. 68 pl Circuit function Further information can be found in chapter "3. Circuit functions" on...

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DTS 1000262565 EN Version: Y Status: RL (released | freigegeben | valide) printed: 19.12.2025 biirkertEnvironment and installation Installation position As required, preferably with actuator upright Circuit function 1. ) Connect technical vacuum (-0.8 bar) to NC or NO. If vacuum is connected to (COM/OUT), significantly reduced flow must be expected. 2. ) Up to 2 bar, the flow direction is permissible even against the specification. 3. ) Low vacuum due to back pressure at media flow permissible. In case of continuous operation with higher vacuum, there is a risk of flow reduction. In case of doubt,...

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burkert 2. Product variants Burkert sub-base (9 x 26) Burkert sub-base (26 x 57) horizontal Tube connector variant DTS 1000262565 EN Version: Y Status: RL (released | freigegeben | valide) printed: 19.12.2025 Electrical connection stranded wire, Burkert sub-basea (9 x 26) - PVDF Electrical connection stranded wire Burkert sub-base (9 x 26) Electrical connection stranded wire tube connector variant 3. Circuit functions Symbol Visit product website ►

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biirkert Symbol 4. Approvals and conformities 4.1. General notes • The approvals and conformities listed below must be stated when making enquiries. This is the only way to ensure that the product complies with all required specifications. • Not all available variants can be supplied with the below mentioned approvals or conformities. DTS 1000262565 EN Version: Y Status: RL (released | freigegeben | valide) printed: 19.12.2025 In accordance with the Declaration of Conformity, the product is compliant with the EU Directives. The applied standards which are used to demonstrate compliance with the...

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burkert 5. Materials 5.1. Burkert resistApp Burkert resistApp - Chemical resistance chart You want to ensure the reliability and durability of the materials in your individual application case? Verify your combination of media and materials on our website or in our resistApp. DTS 1000262565 EN Version: Y Status: RL (released | freigegeben | valide) printed: 19.12.2025 Visit product website ► No. 2. ) Not available for flange connection

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biirkert DTS 1000262565 EN Version: Y Status: RL (released | freigegeben | valide) printed: 19.12.2025 6. Dimensions 6.1. Burkert sub-base (9 x 26) - PPS or PEEK • Including fastening screws M2 x 10 Visit product website ►

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biirkert 6.2. Burkert sub-base (9 x 26) - PVDF • Including fastening screws M2 x 10 DTS 1000262565 EN Version: Y Status: RL (released | freigegeben | valide) printed: 19.12.2025 Visit product website ►

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Flange pattern (Bürkert sub-base 9 x 26) Preferred threaded connection Further possible connection (diagonal) Visit product website 

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burkert DTS 1000262565 EN Version: Y Status: RL (released | freigegeben | valide) printed: 19.12.2025 6.4. Burkert sub-base (26 x 57) horizontal • Optional: Sub-base can be turned by 180° • Including fastening screws M2 x 6 6.5. Flange pattern (Burkert sub-base 26 x 57) Visit product website ►

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biirkert 6.6. Threaded port variant (UNF %"- 28) DTS 1000262565 EN Version: Y Status: RL (released | freigegeben | valide) printed: 19.12.2025 Visit product website ►

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Tube connector variant Product connections Electrical connection Pin assignment Electrical control for impulse variants CF P 2/2-way impulse solenoid valve Direct-acting CF S 3/2-way impulse solenoid valve Direct-acting Flow direction unrestricted NC Visit product website

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Ordering information Bürkert eShop Bürkert eShop – Easy ordering and quick delivery You want to find your desired Bürkert product or spare part quickly and order directly? Our online shop is available for you 24/7. Sign up and enjoy all the benefits. Order online now Bürkert product filter Bürkert product filter – Get quickly to the right product You want to select products comfortably based on your technical requirements? Use the Bürkert product filter and find suitable articles for your application quickly and easily. Try out our product filter Visit product website

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