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Spirax & Forbes Marshall

Strainers & Moisture Separators





Diffuser for traps

The Spirax Diffuser is a compact unit designed to be fitted to the outlet of a steam or air trap discharging to atmosphere. The Diffuser reduces the problems of noise and erosion by dampening high velocity disharge. It can be fitted to any trap where conditions promote blast discharge similar to that associated with balanced pressure, inverted bucket or thermodynamic traps.
More than 80% reduction in the sound pressure level can be expected when measured at 1 meter from the discharge point.






VB 14 Vacuum Breaker
The VB 14 is a small purpose designed vacuum breaker for general purpose applications on condensing vapour(steam) or liquid systems








Moisture Separator

Moisture in steam blocks heat transfer. In compressed air, it fouls your application. Spirax separators are a simple and effective way to improve both your processes. Installation upstream of pressure reducing valves and steam meters ensures accuracy and a long mechanical life.





Fabricated Strainer/Separator

One Spirax Strainer upstream of every trap, control valve, and flowmeter can save you a bundle in annual maintenance and wear & tear costs. Available in Y or T type designs, our Strainers remove suspended grit from steam and condensate that would otherwise damage your downstream equipments with no additional pressure drop.


FIG 12 Strainer
The FIG 12 Y-type Strainers with stainless steel screens have 0.8 mm diameter perforations as standard.
Available sizes and pipe connections :
15 NB, 20 NB and 25 NB Screwed BSPT/NPT
40 NB & 50 NB Screwed BSPT/NPT


FIG 14 Strainer
The FIG 14 Strainer is available in the following sizes : 15 NB, 20 NB , 25 NB, 40 NB & 50 NB


FIG 32 Strainer
FIG 32 Strainers are available in cast iron/cast steel with stainless steel screen and have 0.8 mm diameter perforations as standard.
Available sizes and pipe connections :
Cast Iron FIG 32 Strainer - NB 40, 50, 80,100, 150 & 200. Flanged
Cast Steel FIG 32 Strainer - NB 40, 50, 80, 100. Flanged



Safety Valve SV 11

Safety valve model SV 11 is a high lift safety valve with gun metal seat, valve and body and brass internals suitable for use on steam, air and water.
Available sizes and pipe connections : 15, 20, 25, 40 & 50 NB. Screwed BSPT.

"Everything In Steam"

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