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Pressure Reducing Valve

Specializing in standard and custom high pressure valves for
water hydraulics and other high pressure water systems.

PRESSURE REDUCING (REGULATING) VALVES

FOR WATER, 95/5, OIL OR OTHER LIQUIDS

The Valv-Trol Pressure Reducing Valve is used to regulate or reduce primary hydraulic pressure for presses and cylinders for tonnage control. It comes complete with a Precision Air Regulator and Air Gauge.
Adjustment of hydraulic pressure is made by changing the air pressure on the diaphragm top. The graph below shows the relationship of air to hydraulic pressure.
Seat, disc, and piston assembly made of hardened stainless steel.
Proven to be very resistant to the effects of corrosion, wear, and wire drawing for longer service life..
Internally, the skirted discs provide a gradual change in the rate of flow.
Proven to be very resistant to the effects of corrosion, wear, and wire drawing for longer service life..
Seating surface is separate from throttling surface.
Even with accumulated wear on throttling surface, valve will shut off tightly. No need to provide constant bleed of fluid on secondary side
PortMaxSecondaryNetConstruction*
ModelSizePressure RatingPressure RatingAreaBodyReplaceable TrimSeals
D-12343/4"or 1”
NPT
4000 PSI
(275 Bar)
500 PSI to
3500 PSI
34 Bar to
241 Bar)
.058 Sq. In.Bronze Hardened S.S.UHMWPE
D-1234-A1” NPT4500 PSI
(345 Bar)
500 PSI to
3500 PSI
(34 Bar to
310 Bar)
.107 Sq. In.SteelHardened S.S.Polyurethane
*Consult factory for special requirements..
Our valves are all subjected to 100% pressure testing to ensure a drop tight seal before we ship to our customers.

PRESSURE REDUCING VALVE

BULLETIN A-31 part 2

MODEL D-1234

The disc, piston, and seat ring are available only as a matched 3-piece assembly

THE VALV-TROL CO., STOW, OHIO

Valv-Trol's versatile valves have been designed for usage in a wide variety of industrial applications.