Welcome to the Force per unit area Regulator Buying Guide! If you lot've made it this far, y'all're probably on the correct runway. In this guide you will learn about pressure regulators; what they do, who needs them, how they work, and what information you'll demand to determine the best device for your arrangement.

If you lot would similar a quick overview of what you need to know near your organization to select a unit - bank check out our Pressure Regulator Flow Nautical chart.

For a more than comprehensive overview, continue reading!

What does a pressure level regulator do?

The water pressure level regulator maintains the pressure inside the system and protects against spikes or sudden drops in force per unit area from the water source. This device ensures the pressure level within the system will stay consequent, thus resulting in optimal performance from the emitting devices.

Please note, various watering devices may specify they are "pressure level compensating" however, this is different than pressure regulation. Compensation refers to an emitter consistently disbursing the pre-set flow rate, regardless of minor pressure changes, however, pressure level compensating emitting devices will not regulate the system pressure.

Who needs a pressure level regulator?

Almost if not all, pressurized irrigation systems will crave a pressure regulator. An exception to this would be if y'all are using a gravity system with very depression pressure, or very low period. Pressure regulators practise require sufficient catamenia to regulate the pressure and at least a five - 15 PSI differential between inlet pressure and regulating force per unit area.

How does a force per unit area regulator work?

Water flows through the inlet, around the seat and through the t-stalk. H2o pressure acting on the diaphragm forces the spring to shrink, pushing the t-stem toward the seat. The closing of the area betwixt the seat and the t-stem reduces the h2o pressure on the diaphragm. The balance between the force on the diaphragm and leap resistance establishes the outlet pressure level.

Irrigation pressure regulators demand outflow and dorsum pressure to regulate the pressure level inside your irrigation system. With no h2o flowing through the regulator, the inlet and outlet pressures volition measure out the same. To verify the pressure maintained in your system, you will need to identify a force per unit area estimate at the end of one of zones, plow the zone on, let it pressurize and once the lines take filled and emitters begin to flow then have the reading. This will reverberate the working force per unit area inside your system. To learn more on testing pressure level regulators, see this curt video: How to Exam a Force per unit area Regulator.

Because of this, a sure amount of force per unit area (PSI) and catamenia (GPH/GPM) is required for a pressure regulator to operate.

What factors should be considered when selecting a pressure regulator?

1. Menstruation rate of the system - Non but the water source

In guild for a pressure level regulator to operate correctly, a certain menses rate must be met. Non simply at the inlet of the regulator, merely through the outlet as well. This ways your system must meet a certain amount of menses.

If you need to determine the flow rate of your water source, hither is our menses charge per unit calculator.

To determine the flow charge per unit of your system, yous will want to add upward the number of emitters and multiply past the emitter flow charge per unit. For case, if you have 100 emitters with a flow rate of .5 GPH, (100 emitters x .5 GPH each = 50 GPH). You will want to have into consideration the menstruation charge per unit of your organisation is 50 GPH.

To catechumen from gallons per hour (GPH) to minutes (GPM), simply divide by 60 (minutes). In this instance, 50 GPH/ lx minutes = .833 GPM.

  • Low menstruum is typically 6 GPH (.one GPM) to 420 GPH (7 GPM)
  • Medium flow is commonly 120 GPH (2 GPM) up to 1200 GPH (20 GPM)
  • Loftier period is 600 GPH (10 GPM) upwardly to 1920 GPH (32 GPM)
  • Ultra High flow is 1200 GPH (20 GPM) to 6000 GPH (100 GPM)

two. The force per unit area (PSI) of the water source and PSI requirements of the emitting devices

Checking the pressure of your water source can exist washed using a simple pressure gauge fitted with the hose thread adapter, here is a link to our selection of Pressure level Gauges. Most pressure regulators crave at least 5 PSI higher up the preset pressure level in order to regulate the pressure level. Meaning if you're using a 20 PSI regulator, your water source must provide at least 25 PSI.

3. The arrangement configuration - Thread type and installation

Our pressure regulators are offered in a variety of thread types and sizes including piping thread (NPT, FPT, MPT) and hose thread (FHT, MHT), in both female person (F) and male ends (M), from ½" upwards to 3" connections.

None of the standard pressure level regulators we carry are rated for constant pressure level. Meaning, these must be installed after any timers or valves in guild to ensure that the pressure is relieved during static (no period) conditions. See the Senninger PRLV for downstream valve functioning options.

When installing a head assembly in a hose bibb system, we recommend the post-obit caput associates order of components: Timer (optional), Backflow Preventer, Filter, Pressure Regulator, 1/2" Swivel adapter or tubing adapter. For more information on head assemblies, check out our "Do I demand a head assembly?" commodity.

Here is a quick chart showing some of the Pressure Regulators nosotros offering:

Manufacturer/Model

Thread blazon

Thread size

Flow charge per unit required

Preset and/or Max PSI

DIG:

three/4" Pipe Thread Adjustable Pressure Regulator (FPT x FPT)

FPT inlet, FPT outlet

¾"

2 GPM - 22 GPM

(120 GPH - 1320 GPH)

125 PSI

Global:

3/4" FHT X 3/4" MPT Pressure level Regulator

FHT inlet, MPT outlet

¾"

1 GPM -15 GPM

(60 GPH - 900 GPH)

80 PSI

Hendrickson Bros:

Mini Force per unit area Regulator

FPT inlet, MPT outlet

½"

0.1 GPM - 4 GPM

vi GPH - 240 GPH

100 PSI

Hendrickson Bros:

3/4" Depression Flow Pressure Regulator

FHT inlet, MHT outlet

¾"

1 GPM - 8 GPM

(60 GPH - 480 GPH)

100 PSI

Hendrickson Bros:

iii/four" Low Catamenia Pressure Regulator

FPT inlet, MPT outlet

¾"

1 GPM - 8 GPM

(60 GPH - 480 GPH)

100 PSI

Hendrickson Bros:

Hose Thread Pressure Regulator

FHT inlet, MHT outlet

¾"

.3 GPM - 12 GPM

(xx GPH - 720 GPH)

120 PSI

Senninger:

three/4" Hose Thread Pressure Regulator (PLRG)

FHT inlet, MHT outlet

¾"

.5 GPM - seven GPM

(xxx GPH - 420 GPH)

ten PSI - 90 PSI

fifteen PSI - 95 PSI

xx PSI - 100 PSI

25 PSI - 105 PSI

xxx PSI - 110 PSI

35 PSI - 115 PSI

twoscore PSI - 120 PSI

Senninger:

3/iv" Pipe Thread Pressure Regulator (PRLG)

FPT inlet, MPT outlet

¾"

.5 GPM - seven GPM

(30 GPH - 420 GPH)

10 PSI - 90 PSI

15 PSI - 95 PSI

20 PSI - 100 PSI

25 PSI - 105 PSI

30 PSI - 110 PSI

35 PSI - 115 PSI

40 PSI - 120 PSI

Senninger:

3/four" FPT x 3/iv" MHT Pressure level Regulator (PRLG)

FPT inlet, MHT outlet

¾"

.5 GPM - seven GPM

(xxx GPH - 420 GPH)

10 PSI - 90 PSI

15 PSI - 95 PSI

20 PSI- 100 PSI

25 PSI -105 PSI

Senninger:

Pressure-Master 3/iv" FPT Regulator - Medium Flow (PMR) 6 PSI - 10 PSI

FPT inlet, FPT outlet

¾"

four - 16 GPM

(240 GPH - 960 GPH)

6 PSI - eighty PSI

10 PSI - 90 PSI

Senninger:

Pressure-Master three/4" FPT Regulator - Medium Menstruum (PMR) 12 PSI - 50 PSI

FPT inlet, FPT outlet

¾"

2 GPM - 20 GPH

(120 GPH - 1200 GPH)

12 PSI - ninety PSI

15 PSI - 95 PSI

twenty PSI - 100 PSI

25 PSI - 105 PSI

30 PSI - 110 PSI

35 PSI - 115 PSI

40 PSI - 120 PSI

50 PSI - 130 PSI

Senninger:

Force per unit area-Master ane" FPT Regulator - Medium Menses (PMR)

FPT inlet, FPT outlet

i"

2 GPM - 20 GPH

(120 GPH - 1200 GPH)

12 PSI - 90 PSI

25 PSI - 105 PSI

30 PSI - 110 PSI

35 PSI - 115 PSI

twoscore PSI - 120 PSI

Senninger:

FPT x FPT Pressure Regulator - High Period (PR-HF)

FPT inlet, FPT outlet

1-¼" inlet,

1 or 1-¼" outlet

x GPM - 32 GPM

(600 GPH - 1920 GPH)

10 PSI - 60 PSI

15 PSI - 80 PSI

xx PSI - 100 PSI

25 PSI - 100 PSI

30 PSI - 100 PSI

40 PSI - 100 PSI

50 PSI - 100 PSI

Senninger:

ii" Ultra Loftier Flow Force per unit area Regulator (PRU)

FPT inlet, FPT outlet

ii"

twenty GPM - 100 GPM

(1200 GPH - 6000 GPH)

10 PSI - ninety PSI

15 PSI - 95 PSI

20 PSI - 100 PSI

25 PSI - 105 PSI

30 PSI - 110 PSI

40 PSI - 120 PSI

60 PSI - 140 PSI

ii-in-1 Pressure regulators:

In addition to regulating the pressure level within the organisation, various manufacturers take also included an added filter element to aid eliminate or reduce the need for additional system components. Various manufacturers (such as Aqualine and Hydro-pelting) make 2-in-1 filter and pressure regulator combinations. These combination devices are groovy as they save money and space in your system associates.

Here is a quick chart:

Manufacturer/Model

Thread type

Thread size

Flow charge per unit required

Filtration level

Preset PSI

Max PSI

Aqualine:

Force per unit area Regulating Plastic Y Filter

MPT inlet, MPT outlet

¾"

.2 GPM - 5 GPM

(12 GPH - 300 GPH)

200 Mesh

15 PSI

25 PSI

45 PSI

120 PSI

Aqualine:

Pressure Regulating Plastic Y Filter

MPT inlet, MPT outlet

1"

.2 GPM - 10 GPM

(12 GPH - 600 GPH)

200 Mesh

15 PSI

25 PSI

45 PSI

120 PSI

Hydro-Rain:

Filter and xxx PSI Regulator in I

MPT inlet, MPT outlet

¾" or 1" inlet, ane" outlet

.1 GPM - 5 GPM

(half-dozen GPH - 300 GPH)

200 Mesh

30 PSI

80 PSI

Hydro-Pelting:

Blu-Lock 2-in-i Drip Regulator & Filter

1" Blu-lock inlet, 1" MPT outlet

1"

.1 GPM - v GPM

(6 GPH - 300 GPH)

200 Mesh

30 PSI

80 PSI

Hydro-Rain:

PVC-Lock 2 in i Drip Regulator & Filter

i" PVC-lock inlet, 1" MPT

i"

.ane GPM - 5 GPM

(vi GPH - 300 GPH)

200 Mesh

30 PSI

eighty PSI

Other regulators and force per unit area devices:

In that location are some organization configurations where a pressure regulator is best installed at the valve. In this case, the Irritrol Omnireg Adjustable Force per unit area Regulator is a great item to use (please note this is only compatible with Irritrol Valves) direct on the valve. This device allows the user to precisely set and maintain the verbal downstream pressure required for most any application. Information technology is adjustable from 5 PSI up to 100 PSI, by simply turning the easy to utilise dial to the desired setting.

Finally, the last device nosotros volition cover in this commodity are the pressure reducing valves. Pressure level reducing valves are different than pressure regulators. One of the biggest differences with the reducers we comport, is that they are able to withstand constant pressure, different pressure regulators.

Manufacturer/Model

Thread type

Thread size

Catamenia rate required

Preset PSI

Max PSI

Irritrol:

Omnireg Adjustable Pressure Regulator

Drib-in installation, simply requires 2 screws to secure (Directly installed on valve)

1 GPM - 300 GPM

(60 GPH - 18000 GPH)

Adjustable; 5 - 100 PSI

200 PSI

Aqualine:

Pb Free PRV3 Contumely Pressure Reducer

FPT x Union connections

 ¾"

1 GPM - 30 GPM

(60 GPH - 1800 GPH)

Adaptable from 25 - 75 PSI, pre-set to 50 PSI

300 PSI

Aqualine:

Lead Free PRV3 Brass Pressure level Reducer

FPT x Union connections

 i"

ane GPM- fifty GPM

(lx GPH - 3000 GPH)

Adjustable from 25 - 75 PSI, pre-set to 50 PSI

300 PSI

Aqualine:

Double Union PRV4 Lead Complimentary Brass Pressure Reducer

Double union connections

 ¾"

ane GPM - 30 GPM

(60 GPH - 1800 GPH)

Adaptable from 25 - 75 PSI, pre-set to 50 PSI

300 PSI

Aqualine:

Double Union PRV4 Lead Costless Contumely Pressure Reducer

Double union connections

 1", 1-¼", 1-½", 2"

one GPM- 50 GPM

(sixty GPH - 3000 GPH)

Adjustable from 25 - 75 PSI, pre-set to fifty PSI

300 PSI

Aqualine:

Lead Free Brass PRV6 Pressure level Reducer

Solder wedlock 10 FPT connections

¾" or 1"

1 GPM - 30 GPM

(sixty GPH - 1800 GPH)

Adjustable from 25 - 75 PSI, pre-prepare to 50 PSI

300 PSI