Calibration and switching modules
The main function of the calibration and switching modules is to condition and select process streams, or to select a calibration stream for analysis. At a minimum, each system must have two inlets—two process stream inlets, or one process stream inlet and a calibration stream inlet. The system selects a fluid for analysis in response to a pneumatic pressure signal from an external source, typically the analyzer. The signal opens one of the SSV double block-and-bleed valve modules corresponding to the stream containing the fluid to be analyzed.
Fast loop modules
A Swagelok fast loop module is designed to handle high flows in sample transport lines. The goal is to reduce time delays for online analyzer systems. Located at the analyzer shelter and offering a bypass, the fast loop modules can isolate the sample system and introduce a purge gas for system cleaning. The fast loop modules extracts a sample through a filter while using the high flow rate of the bypass to keep the filter element clean.
Field station modules
The main purpose of a Swagelok field station modules is to reduce the pressure of an extracted gas sample prior to transportation to an analyzer. Various Swagelok KPR series regulators are offered to match the wide range of sample conditions. The system volume upstream of the regulator is kept to a minimum to maintain the fastest response time possible. Benefits include faster analyzer response time, less condensation, and a safer environment.
Fluid distribution header
The Swagelok fluid distribution header is a pre-engineered and fully documented piping assembly that can act as a distribution manifold or collection manifold in gas or liquid applications. Available in 1 and 2 in. sizes, an extruded manifold body design features squared sides that mount solidly and prevent twisting. Standard branch locations offer flexibility; additional outlets can be added to the header without welding. The fluid distribution header can be ordered with 2 to 16 branch outlets, with or without valves, so users can add ports as needed.
Sample probe modules
The Swagelok sample probe modules is a pre-engineered solution for use in online process analyzers that consists of a welded sample probe (SPW) or retractable sample probe (SPR) and a block-and bleed sample probe valve (SPV). SPW welded sample probes are best suited for use with double block-and-bleed SPVs (SPV-61 and SPV-62). SPR retractable sample probes are best suited for use with single block-and-bleed SPVs (SPV-63 and SPV-64), which include safety features that do not allow the valve to actuate while the probe is in service.
