Product Overview
The Burkert Type 2103 (part number 00205721) is a pneumatically operated 2/2-way diaphragm valve engineered for neutral and aggressive media in process and industrial fluid control systems. Manufactured by Bürkert, a global leader in fluid control technology, this valve utilizes a pneumatically actuated piston mechanism to drive an elastomeric diaphragm against a valve seat, providing hermetic sealing and reliable shut-off without any wetted metal-to-metal contact. The diaphragm isolates the working fluid from the actuator, making the Type 2103 ideal for contamination-sensitive, corrosive, or high-purity applications. With its robust forged or cast body construction and modular design, this valve integrates seamlessly into automated process lines, water treatment systems, and chemical dosing circuits where precise, repeatable on/off control is essential.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Pneumatically Operated Diaphragm Valve (2/2-Way) |
| Model Designation | Burkert Type 2103 / 00205721 |
| Operating Pressure | Standard Industrial Grade (Up to 10 bar, depending on body material and diaphragm) |
| Pilot / Control Pressure | 3 – 8 bar (compressed air or inert gas) |
| Mounting & Connection | Standard ISO / Manufacturer Interface (threaded, flanged, or weld-end connections) |
| Body Material Options | PVC, PP, PVDF, Stainless Steel, or Brass (application dependent) |
| Diaphragm Material | EPDM, PTFE, FKM, or NBR (media compatibility dependent) |
| Actuation Type | Pneumatic piston actuator (spring-return or double-acting) |
| Sealing Principle | Diaphragm-to-seat hermetic seal, media isolated from actuator |
Engineering Features & Advantages
- Hermetic Diaphragm Sealing: The elastomeric diaphragm provides a bubble-tight shut-off and completely isolates the working fluid from the actuator and environment, eliminating stem leakage and cross-contamination risks.
- Pneumatic Actuation for Fast Response: The piston-type pneumatic actuator delivers rapid, repeatable open/close cycles, making the valve suitable for automated process control and high-cycle-duty applications.
- Corrosion-Resistant Construction: Available in a range of chemically resistant body and diaphragm materials, the Type 2103 handles aggressive acids, bases, and high-purity fluids without degradation.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with a robust actuator housing and wear-resistant diaphragm design that minimizes maintenance intervals.
- Direct Fit Replacement: Precision-manufactured to original BURKERT specifications for direct replacement, minimising downtime and eliminating fitment issues.
Typical Industrial Applications
With its robust forged or cast body construction and modular design, this valve integrates seamlessly into automated process lines, water treatment systems, and chemical dosing circuits where precise, repeatable on/off control is essential.
PRODUCT IMAGES
BURKERT 2103 / 00205721 Pneumatically Operated Diaphragm Valve
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- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine Burkert 2103 / 00205721 Solenoid Valve. This Germany-made 24V DC hydraulic component features a 2/2-way normally closed design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.