LESER is the largest global manufacturer of safety valves. LESER safety valves are used by leading companies in industries such as chemical, petrochemical, industrial gases, oil and gas production, and machine building, as well as the food and pharmaceutical industry.

When it comes to the ultimate in high performance, Mercer Valve Canada Ltd. safety relief valves meet the absolute toughest standards. Far superior to traditional relief valve designs; Mercer valves open, close, seat and seal. Lightweight, compact and extremely reliable, Mercer valves use Auto Seat Technology®. This patented design allows our valves to relieve pressure ("pop") virtually hundreds of times yet remain "bubble tight". The full line of threaded, flanged and pilot operated products are up to the challenge of rough handling and severe service applications.

Apollo Valves® includes a wide range of product families sold into diverse markets, including residential, commercial, institutional plumbing and mechanical, and industrial sectors such as oil and gas, petrochemical, and mining.

Kunkle delivers quality products from cryogenic to high temperature and vacuum to high pressure steam, air, gas, and liquid applications. Kunkle Valve provides code certifications that meet various global standards such as ASME, PED, CRN, TU and Chinese as well as non-code requirements.