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Manufacturers of Authentic Reproductions of Historical Railway Components in 3½", 5", 7¼" & 10¼" Gauge Specialising in Vacuum Brakes & Trackwork
Upcoming Events
PNP Railways will be the
7¼" Gauge Society Annual Gathering at
The City of Newport Model Engineering Society
Friday 18th & Saturday 19th September 2026
Select - Collection at the 7¼" Gauge AGM when placing your order.
Please note: PNP Railways will be attending Friday and Saturday only.
All pre-orders must be collected before 4.00 pm on Saturday 19th September.
1/3rd Scale Progressive Brake Valve
Product Details
Brand:
PNP Railways
The 1/3rd scale progressive brake valve works with both electric and steam generated vacuum and is particularly good when used in conjunction with the vacuum pump.
It will allow prototypical control of the vacuum brakes. It allows subtle brake applications. Resulting in smoother and more controllable retardation of the locomotive and their loads.
Specification
Body Diameter – 2″
Body Depth – 1 1/4″
Total Depth (Including Fittings) – 2 1/4″
Vacuum Source Pipe Fitting – ¼ BSP thread
Train Pipe Fitting – ¼ BSP thread
Includes nuts and nipples for pipe soldering
Handed Brake Blocks for 7¼" NG & 10¼" Standard Scale - Pack of 4
Handed Brake Blocks for 7¼" NG & 10¼" Standard Scale - Pack of 4
Designed to suit 10" diameter wheel but will fit wheel from 8" to 12"
£30.00
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