Leser is one of the world’s leading manufacturers of Safety Relief Valves. The company is headquartered in Germany, and all manufacturing takes place in Germany. Standard factory delivery is 4 weeks, and a large inventory is based in Charlotte, North Carolina for quick shipment.

We are proud of our products, and deliveries, and our prices. We gladly publicize our prices, because they are typically 20-30% below our principal competitors prices.

Leser provides a full line of pressure relief valves. Leser is the leading supplier in much of the world and is supported by a broad of authorized repair centers and assemblers.

FLOW SAFE manufactures Enhanced Performance Pilot Operated Relief Valves.
Flow Safe was founded with a commitment to value through:

• Environmentally compatible products
• Cost efficient design, with minimal parts
• Quality products that are readily available
• Flexibility in meeting unique customer needs
• No-hassle service

Both standard and custom valves are available quickly and with always competitive pricing.

In particular, FLOW SAFE’s engineers have taken the state-of-the-art in pilot-operated valves to surprising new capabilities in accuracy of lift and reseat pressure (see tables below).