The Model 129FC Pressure Reducing Control Valve automatically reduces high pressure in building riser pipe to a pressure that can be easily managed by the components it supplies.
Maintains constant discharge pressure despite variations in demand or inlet pressure.
Eliminates pressure fall off.
Easily adjusted for discharge pressures ranging from 50-165 psi.
Fully operated by line pressure; no external power source required.
Soft seat for drip-tight closure.
Easily cleaned, repaired and adjusted without removal from the line.
Underwriters Laboratory listed for pressure control service in sizes 1.5" through 8" in both globe and angle configuration (Control Number 18S5).
Diaphragm assembly guided top to bottom is the only moving part of the main valve.
No packing glands or stuffing boxes to service.
Horizontal or vertical mounting in all sizes.
ANSI Flanged Class 150 or Class 300.
Grooved end flanges available on 1.5" through 6".
Screwed end flanges available on 1.5", 2", 2.5" and 3".
Wide range of materials available.
Factory tested prior to shipment.