Seetru Limited was founded in 1949 with the aim of producing the finest liquid level gauges so customers could see the true level even under the most severe conditions.

This philosophy of making the finest through innovation continued with the introduction of the Seetru range of pressure relief devices, circa 1950 the Seetru Tutchtite-sealing system revolutionized the safety valve market with valves that do not leak even after repeated popping even at high pressures.

The Seetru Organization today consists of Seetru Limited and Leser UK Limited; it also includes Seetru Engineering Services which is an operating division of Seetru Limited. This presentation provides an overview of all available products and services.

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Company Overview:

Company History

Manufacturing Facility

Seetru Products:

Seetru Safety Relief Valves

Seetru Liquid Level Gauges

Seetru Other Products

Seetru Engineering Services:

SES Workshop Services

SES Site Services

LESER UK:

Seetru Products

Seetru are manufacturers of safety relief and other special purpose ancillary valves for a wide range of compressed air, industrial gas, refrigerants, powder, steam, liquid and liquefied gas applications. These valves meet important international standards which include: BS 6759 Parts 2 & 3, AD-Merkblatt A2, ISO 4126 and ASME Section VIII design codes as well as type test approvals from TÜV and the National Board. The products comply with the requirements of the European Pressure Equipment Directive (PED) and are available with both the CE mark as well as the UV stamp, and have wide international approvals such as the EAC (TR CU) customs union certification and declaration (Russia, Belarus and Kazakhstan) and the Canadian CRN.

Seetru also has a wide range of special purpose valves, which are largely for the compressed air industry and for medium sized industrial diesel engines. These include minimum pressure valves for screw type compressors and air starting valves for medium size industrial and marine diesel engines.

Seetru liquid level gauges are primarily of two types, sight gauges and magnetic float by-pass gauges. Many of the gauges are direct reading though most have optional electronic remote reading systems and computer interfaces. The range includes the Quickmount, Seemag and CPI gauges for industrial and chemical applications and the Seeflex and Seemag for marine applications.

The company’s substantial design and development department, which includes TÜV approved testing facilities, enabling us to provide extensive bespoke design, advisory and manufacturing services to develop or adapt individual products for new applications.

Seetru Engineering Services

During the 1990's Seetru applied all their knowledge and expertise to bear on the refurbishment and testing of Safety and Relief valves for external customers, resulting in the official formation of Seetru Engineering Services in November of 1998.

SES has grown considerably since these humble beginnings to now become a major provider for Pressure Safety Valve (and other) services, we advise throughout the UK and globally.

Visit the SES website

LESER Safety Valves

LESER UK have operated from our Bristol headquarters since 1975.

LESER offer spring loaded and pilot operated safety valves for all industrial applications according to the European Pressure Equipment Directive 2014/68/EU (CE-mark) and ASME VIII Division 1 (UV-Stamp).

Major global companies in chemicals, oil and gas, petrochemical, energy, technical gases, LNG/LPG, pharmaceutical, food and beverage, shipbuilding as well as heating and air conditioning industries use LESER safety valves.

LESER safety valves are developed for the international market in Hamburg and manufactured in our ultra-modern plant in Hohenwestedt, Germany. In addition, LESER produces safety valves to the same standards in India and China for the local markets. Twelve subsidiaries and offices in Europe, America, the Middle East and Asia as well as authorized contacts in over 80 countries and authorised repair centres worldwide guarantee competent customer advice and fast, reliable deliveries.