EX50 50mm Wastegate
Designed to cope with the brutal conditions of extreme exhaust temperatures, the EX50 features not only a huge flow capacity, but also a compact size that is unmatched by competitors for a 50mm wastegate.
Supplied with a 13psi spring
7psi and 9psi springs also available that can be ganged together with the supplied 13psi spring in various combinations to allow boost pressures of 7, 9, 13, 16, 20, 22 and 29psi.
Body, valve and seat are made from high-temp stainless steel
Actuator housing machined from billet 7075 aluminium – much stronger & harder than 6061
Flow tests show that for the same valve lift, the EX50 outflows its nearest competitor by 18%
Internal valve shroud protects valve stem from excessive heat and prevents carbon-related sticking
Top-hat style Nomex-reinforced silicone rolling diaphragm for longer valve travel
90° banjo-style boost hose connectors
V-band clamp mounting system, supplied with 304 stainless weld-on adaptors (base flange is compatible with TiAl 44 flange when used with GFB adaptor)
GFB’s main goal for the EX50 was to create a wastegate that had a very large flow capacity in a package that is physically as small as possible. This was achieved with the use of CAD design which allowed them to minimise the amount of unnecessary bulk (particularly on the actuator).
Good flow around a poppet-style valve depends on a smooth and generous bowl area into which the valve lifts. Many brands do not allow enough room around the valve head for good flow, instead relying on increasing the valve travel as a band-aid solution.
All GFB wastegates feature an investment cast body made from 253MA chromium-nickel stainless steel, a CNC machined billet stainless valve, and all stainless steel weld-on fittings and hardware, whilst the diaphragm is nomex-reinforced silicone. All this adds up to a wastegate built to handle extreme conditions with reliability you can trust!
- Most compact wastegate range on the market!
- Body, valve, seat and all mounting hardware is CNC machined from high-temp stainless steel
- Actuator housing CNC machined from billet 6061 aluminium
- Nomex-reinforced silicone diaphragm
- Internal shroud protects valve stem from excessive heat and prevents carbon-related sticking
- V-band clamp mounting system
- Made in Australia under ISO 9001
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