TENSIONERS

Marcem sources and delivers a specialist range of hydraulic bolt tensioners designed to meet the rigorous pace of oil & gas and renewable energy operations. We provide agile and rapid service with a strategic range of SPX tensioners to ensure your flange management is completed with precision and safety.

SPXFLOW

SPX BOLTING SYSTEM | TOPSIDE SERIES

Designed for high-load accuracy, these bolt tensioners feature a modular design to fit a wide range of ANSI and ASME B16.5 flanges. A reliable choice for petrochemical and power generation sectors where “right first time” joint integrity is critical.

SPXFLOW

SPX BOLTING SYSTEM | SPRING RETURN SERIES

This hydraulic spring return tensioner features an automated piston return for significantly faster cycle times during high-volume bolting. Ideal for maintenance shutdowns where spring return bolt tensioners are required to reduce operational downtime and improve safety.

Wind Tensioners

SPXFLOW

SPX BOLTING SYSTEM | WIND SERIES

Specifically engineered for the renewables sector, these wind tensioners provide high-capacity fastening for wind turbine foundation and nacelle bolts. The compact design ensures ease of use in restricted spaces common in large-scale solar and wind infrastructure.

Subsea Tensioners

SPXFLOW

SPX BOLTING SYSTEM | SST SERIES

The SST series is built for deep-water environments, featuring a high-visibility stroke indicator and corrosion-resistant finishes. These specialised hydraulic bolt tensioners provide consistent performance for subsea flange management in the offshore oil and gas industry.

Tensioning Accessories

SPXFLOW

ENS NUT SPLITTER

A reliable and effective solution designed to remove seized or corroded nuts from ANSI B16.5 flanges. The DNS/ENS series covers a wide range of diameters, ensuring “making can’t disappear” is part of your site solution.