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SIEMENS LDU11.323A27 Valve Proving System Brand New

11 in stock

Manufacturer: Siemens
Product No.: LDU11.323A27
Country of origin: Germany
Product Type: Valve Proving System
Condition: Brand New
Payment: T/T, Western Union
Weight: 1.0 kg
Dimensions: 23 cm x 50 cm x 46 cm
Shipping port: Xiamen
Warranty: 12 months

Description
Reviews
Shipping & Payment

Overview

The Siemens LDU11.323A27 is a Valve Proving System designed to ensure safe operation of automatic shutoff valves in gas burners and gas-fired appliances. It detects inadmissible leakage and prevents burner startup in case of faults. This system is ideal for industrial combustion applications requiring high safety standards.

Technical Specifications

Model Number: LDU11.323A27
Type: Valve Proving System
Supply Voltage: AC 220-240 V
Mains Frequency: 50-60 Hz ±6 %
Operating Voltage: AC 220-240 V (-15% / +10%)

Leakage Detection Time

Test Phase 1 (t3): 2.5 seconds (Filling the test space)
Test Phase 2 (t4): 2.5 seconds (Evacuating the test space)

Power Consumption

During test: Approx. AC 3.5 VA
During operation: Approx. AC 2.5 VA

Fuse Details

Unit Fuse (built-in): T6.3H250V (to DIN EN 60127)
Primary Fuse (external): Max. 10 A (slow)

Temperature Ranges

Operating Temperature Range: -20 to +60 °C
Storage Temperature Range: -40 to +70 °C

Payment: T/T, Western Union.

Shipping port: Xiamen.

Lead time: Typically 1–3 working days after payment confirmation (subject to stock).

Worldwide delivery: We ship industrial automation parts to customers around the world. Freight is quoted with your RFQ.

F.A.Q.

Common questions about quotes, shipping, warranty and returns

Click Request a Quote on the product page and send us the part number, required quantity, and destination country. Our sales team will reply with current availability, pricing, and estimated delivery time.

In-stock items are normally prepared after payment and order confirmation. Most orders are dispatched from our warehouse in China, although the shipping location may vary depending on current stock.

Yes. We ship industrial automation parts to customers worldwide. Shipping cost and transit time depend on the destination, package weight, product size, and local import requirements.

We commonly use DHL, FedEx, UPS, and other international courier services. The carrier can be selected according to the destination, delivery speed, shipment size, and customer requirements.

Our products are generally covered by a 12-month warranty. Eligible products may also be returned under our 30-day refund policy. Please contact our team before returning any item to confirm the applicable terms and return instructions.