Screenshot 2023-01-09 at 10.01.30

Quick Release Valve / Schnellentlüftungsventil 4-4701

Pressure Limiting Valve 4-4507
Quick Release Valve / Schnellentlüftungsventil 4-4702

Supply: 22 X 1.5 (with spring) · Delivery: 22 X 1.5 · Exhaust: 22 X 1.5

Original Ref. BD Ref.
473 501 201 0 4-4701

Also written as: 4735012010

SKU: 4-4701 Categories: , ,
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Description

Quick release valves vent the brake chambers straight to atmosphere instead of returning the air along the line to the brake valve. The shorter exhaust path releases the brakes faster, which matters most on long-wheelbase vehicles and trailers.

Key data for this version: supply 22 X 1.5 (with spring), delivery 22 X 1.5, exhaust 22 X 1.5. The Buyukdemir reference is 4-4701.

It cross-refers to the original equipment numbers 473 501 201 0.

This is the 22 X 1.5 (with spring) version; the nearest sizes in the same range are 22 X 1.5 (4-4700), 22 X 1.5 (4-4702), 16 X 1.5 (4-4706), R 3/8" (4-4704), 3/8 NPT (4-4707).

Manufactured by Büyükdemir Otomotiv in Istanbul, Türkiye, a producer of compressed-air brake and pneumatic components for trucks and trailers since 1957.