Ketta KN2 snubber dampener for pressure gauges 1/4 inch BSP M/F 316 stainless steel
Designed to protect gauges from pressure spikes caused from fluid hammer by decreasing the orifice size in the line (also known as a snubber)
This restricts the flow to the gauge, meaning that any sudden pressure spikes will be restricted by the orifice and dissipated once they reach the gauge
The orifice size exposed to the gauge can be adjusted by rotating the flat head screw in or out on the dampener 
Works on the same principle as a needle valve

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New Zealand phone 04 568 8544
New Zealand free phone 0508 044 055
Email sales@kettapumps.co.nz