Diverter Valves
RotaVal’s range of diverter valves satisfies all needs
RotaVal’s range of two-way diverter valves has been developed to satisfy the needs of an ever more demanding market place, including the stringent requirements of the food and pharmaceutical industries, however they are also suitable for use in most other industries.
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Pipe Selector diverter valve (PS)
Pipe Selector diverter valves are suitable for both lean and dense phase conveying systems (maximum 3 barg) and product temperatures between -10 °C and +100 °C. The cross sectional area of the pipe through the valve does not have any steps or ledges and this ensures smooth product transfer.
A unique feature of the two-way ‘Pipe Selector’ Diverter valves is that the inflatable seals used to seal between the inner rotating pipe and the outer fixed pipe ends remain permanently inflated, this eliminates the need for special controls.
The design allows superior surface finishes without the porosity problems often associated with castings. The compact design is manufactured from FDA compliant material and complies with USDA guidelines for the sanitary design and fabrication of dairy processing equipment.
Flap Diverter Valve (FDF & FDP)
Flap diverter valves are designed to route powders and granular materials within lean phase pneumatic conveying systems where the product handled does not exhibit abrasive or sharp irregular characteristics.
The design embodies a self-adjusting parabolic flap seal. This bears on a fully machined surface to give excellent sealing characteristics. Care has been taken to ensure a minimal change in cross sectional area through the valve, thus reducing any contraction or expansion which can cause conveying efficiency losses.
The valve housing is cast and may be of aluminium, iron or stainless steel. Shaft seals prevent product escape to atmosphere.
The valve may be used in positive conveying systems at pressures up to 1 barg and in vacuum systems to -300 mbarg. The standard construction is suitable for a temperature range of between -10 ºC and +80 ºC with a polyurethane flap seal but this may be extended to -20 ºC to +230 ºC with a silicone rubber flap seal.
Fill Vent Valve (FVF & FVP)
Fill Vent Valve (FVF & FVP) Fill vent diverter valves often referred to as scale valves are designed for use on multiple silo / hopper installations and are ATEX approved.
RotaVal Flap Diverter Valves are designed to route powders and granular materials within lean phase pneumatic conveying systems where the product being handled doesn’t exhibit abrasive characteristics or have sharp, irregular edges.
The Fill-Vent Diverter valves are designed for use on multiple silo/hopper installations where the fitting of a valve on each silo allows use of a single conveying line and venting arrangement.
The design embodies a self-adjusting parabolic flap seal. This bears on a fully machined surface to give excellent sealing characteristics.
Your advantages (depending on version)
- Compact design
- FEA approved materials
- Low component weights
- Simple unique seal control seals remain inflated and protected even during changeover
- Suitable for both lean and dense phase conveying systems
- Converging or diverging applications
- Choice of pipe couplings, flanged, plain pipe and ‘quick-clamp’ FDA approved couplings
- Position indication
- Full range of surface finishes available, internally and externally
- Constant through bore section
- The inside of the valve can easily be inspected and cleaned
For more information:
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