HornBlasters Black Widow 1/2" Electric Air Valve

16mm Orifice


10 reviews
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The golden standard of solenoid valves, our Black Wido 1/2" Electric Valve gives you the high-flow performance needed to get the best out of your train horns and any other pneumatic accessories. Featuring a huge 16mm orifice, our 1/2" valve is made specifically to get the most volume out of your horns. Forged from solid stainless steel with all metal components, our stainless steel HornBlasters solenoid valve is designed to stand the test of time.

Our Black Widow 1/2" valve is a direct replacement valve for the following train horns:

  • High Flow 16mm Orifice
  • Heavy Duty All Stainless Steel Valve Case
  • Designed For Performance Applications
  • HornBlasters Black Widow 1/2" Electric Air Valve
  • Part Number: VA-8H
  • Port Size: ½″ NPT Female
  • Orifice: 16mm
  • Flow Rate: 5.5 Cv
  • Body Material: Stainless Steel
  • Minimum PSI: 3 PSI
  • Maximum PSI: 217 PSI
  • Voltage: 12 Volts DC
  • Money-Back Guarantee/Refund Policy
    All merchandise unless otherwise indicated may be returned within 30 days from the shipment arrival date for a refund. A Returned Merchandise Authorization (RMA) number is required for all returns. A 15% restocking fee may apply. Additional deductions may be made to reflect the products current market value. These terms apply to all refunds. Most products are shipped with a refund/replacement guarantee period unless otherwise noted in the product listing. Customers must inform HornBlasters.com of any order discrepancy within 7 days from the invoice date so that we may investigate and resolve the situation accordingly.
  • Warranty
    This product is backed with a 1 Year Manufactures Defect Warranty!
  • HornBlasters.com satisfaction guarantee
    HornBlasters.com offers our customers a 30-day satisfaction replacement or refund guarantee on all purchases, except when otherwise noted in the product listing.
  • Cross-Shipments
    HornBlasters.com will not cross-ship returned merchandise.
  • Physical Damage Policy
    Physical damage to any product purchased at HornBlasters.com will effectively void warranty coverage. Physical damage includes but is not limited to improper handling and/or any other type of damage sustained by irregular usage.

Warnings & Notices

Safety warning icon

This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.p65warnings.ca.gov.

Customer Reviews

4.9 Based on 10 Reviews
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It's a blast!!!!

The horn works great now with the help of customer service!!! Thry are awesome and are very helpful! The horn now works as it should as I am now giving idiot drivers what they deserve! Cut me off, hornblasted! Driving way lower than speed limit...hornblasted! Stopping to mKe a left turn or right turn when prohibited...hornblasted!!! Thank you HornBlasters!!!!


Great service

Great products and service love my setup


Brass 1/2" electric air valve

Easy to use and super stout unit !

Russell D.
United States United States


Better than original.


Train Horn Air Valve

Alex was very helpful and is excellent tech help. thanks so much, **** Morris

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