Garrett Vent

$354.99
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Garrett

GAR 908827-0001

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GARRETT VENT | EXTERNAL WASTEGATES

High flowing external wastegates for turbocharged racing and performance engines

Available in three sizes: 40mm | 45mm | 50mm and four color combinations: Red | Blue | Black | Silver.

 

Garrett Vent | External Wastegates regulate turbocharger shaft speed by venting exhaust gas around the turbine stage of the turbocharger. CFD optimized design maximizes flow and delivers optimum boost control. Advanced thermal optimization increases durability of the diaphragm. The cap design makes spring changes and serviceability of the entire GVW lineup easier and more reliable to perform..

When researching and testing common shortfalls of wastegates, we observed how heat cycling and normal wear can rapidly change their actuation characteristics. Garrett engineers created GVW as a high flowing product with low degradation in performance over its lifespan. Actuation data (opening and closing) in the chart was measured before and after extreme testing conditions. Results show the heat cycled GVW product maintains linear control of the wastegate as compared to the new product. Precise actuation of the GVW provides accurate calibration settings and performance throughout the lifespan of the product. Accurate wastegates, allow for optimum performance of the turbocharger.

The valve housing is cast from high temp stainless steel and rated for exhaust temperatures up to 1050° C. CFD optimized for maximum flow and thermal efficiency. Our Nomex reinforced elastomer diaphragm provides exceptional durability and fatigue resistance. GVW wastegates are set to 1 Bar | 14.5 PSI of base pressure and can be configured from 0.2 Bar | 2.9 PSI - 1.7 Bar | 24.7 PSI (considering 1:1 backpressure). The actuator design allows for multiple air/liquid fitting orientations. All fasteners, springs, fittings, V-bands, clamps, and flanges included. 

Features

  • CFD tested for maximum flow and thermal efficiency
  • Optimized actuation stability and temperature resistance for superior durability
  • Replaceable valve and bushing components to increase service life
  • Robust design for easy diaphragm replacement
  • Liquid-cooled actuator ports for use on severe applications (up to 52% reduction in body temp)
  • Anodized aluminum actuator cover GVW-40 GVW-45 GVW-50 F

Specifications

  • Valve Housing: High temp stainless steel rated up to 1050°C
  • Diaphragm: High temp Nomex reinforced elastomer
  • Actuator Cover: Fully-machined anodized 6061 aluminum
  • Valve Guide/Bushing: Nitronic 60
  • Valve: High temp stainless steel with plated stem
  • V-Band: CNC machined 304 stainless steel
  • Flanges: Fully-machined 304 stainless steel
  • Springs: 17/7 PH stainless steel
  • Max Thermal Stress (Non-Cooled): 270°C actuator body temp during thermal cycle test
  • Max Thermal Stress (Liquid-Cooled): 130°C actuator body temp during thermal cycle test
  • Max Exhaust Temp (Peak): Up to 1050°C

 

Mechanical Data GVW-40 GVW-45 GVW-50
Valve Diameter 40mm 45mm 50mm
Valve Mass 1.27kg | 45oz 1.47kg | 52oz 1.56kg | 55oz
Max Spring Base Pressure 1.7 bar | 25 psi (1:1 backpressure ratio) 1.7 bar | 25 psi (1:1 backpressure ratio) 1.7 bar | 25 psi (1:1 backpressure ratio)
Minimum Spring Base Pressure 0.2 bar | 3 psi (1:1 backpressure ratio) 0.2 bar | 3 psi (1:1 backpressure ratio) 0.2 bar | 3 psi (1:1 backpressure ratio)
Port Fitting (Air) M10x1.0 to hose barb (Hose ID 6mm | .25in) M10x1.0 to hose barb (Hose ID 6mm | .25in) M10x1.0 to hose barb (Hose ID 6mm | .25in)
Port Fitting (Liquid) M8x1.0 to AN-3 M8x1.0 to AN-3 M8x1.0 to AN-3

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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