The OK-18 valve is designed to prevent the overflow of gas fire extinguishing agents (GFFS) when they are supplied from individual modules or groups of battery modules, as well as to protect the pipeline of the gas fire extinguishing installation from the reverse gas flow.

1. The nominal pressure of the working medium is 25.5 (255) MPa (kgf / cm2).

2. Nominal throughput 200 l / min.

3. Hydraulic resistance of the check valve at rated capacity, no more than 0.1 (1.0) MPa (kgf / cm2).

4. Temperature range -60 … +150 C.

5. The opening pressure of the valve is 0.5 ± 150 kgf / cm2.

6. Weight, no more than 0.65 kg.

7. Dimensions LхdхМ 135 x 18 x 30 × 2 mm.

All shipments are carried out from our international warehouse in Dubai (UAE), as well as from our partners’ remote warehouses.

In Stock — items available in stock at the Dubai warehouse are dispatched within 5–10 business days after receiving 100% prepayment.

Remote Stock — items available at our partners’ remote warehouses are supplied within an average of 30–45 business days after receiving 100% prepayment.

Pre-Order — made-to-order products are manufactured and delivered within an average of 45–60 business days. Payment terms: 50% advance payment to start production, with the remaining 50% paid before dispatch from the Dubai warehouse after full readiness for shipment.

Returns & Changes (Restocking Fee)
For selected items, a RESTOCKING FEE of 10% may apply in case of return, order cancellation, or changes to the order specifications. This condition applies only to certain products and is confirmed at the order approval stage.

Warranty
All products are covered by a standard 6-month warranty.
Extended warranty is available upon request and is agreed individually; it may affect the final product price.