DEMA Normally Closed High-Pressure Solenoid Valves
DEMA Normally Closed High-Pressure Solenoid Valves — detail 2
DEMA Normally Closed High-Pressure Solenoid Valves — detail 3

DEMA Normally Closed High-Pressure Solenoid Valves

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DEMA · Water controls & automation

Switch a high-pressure water circuit with the right valve.

These normally closed solenoid valves control water flow in high-pressure equipment. The pilot-piston design opens when its coil is energized and closes when power is removed. Choose the body size, pressure differential and electrical coil to suit the circuit. This range is intended for water rather than concentrated chemical delivery.

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Key features

  • Normally closed pilot-piston operation
  • Brass bodies with model-dependent internal materials
  • Multiple NPT sizes
  • AC and DC coil and wiring options

Specifications & configuration

Operating pressure differential 10–1,200 psi, subject to selected model
Pipe sizes 3/8-inch, 1/2-inch or 1-inch NPT
Published families 453P / 453S / 454P / 458P / 458PS
Temperature limits Fluid 200°F / 93°C; ambient 120°F / 49°C
Manufacturer model reference
Model No. Pressure Differential Body Material Pipe Size N.P.T CV Flow Factor # GPM @ 60 psi (cv # x √ psi)
min/psi max/psi
453P* 10 1200 Brass 3/8″ 1.8 13.95
453S** 10 1200 Brass 3/8″ 1.80 13.94
454P* 10 1200 Brass 1/2″ 3.70 28.66
458P* 10 1200 Brass 1″ 11.10 85.98
458PS** 10 1200 Brass 1″ 11.10 85.98

Best for

Water-flow switching in compatible high-pressure equipment.

Selection & compatibility

Water only. Confirm minimum differential pressure, coil voltage, duty and wiring. Body and internal materials vary by model.

Documents & downloads

Manufacturer product information

Special order through Growhaus. Request pricing, availability and the correct model for your facility. Photos may show optional components or alternate configurations.

Product guide

What you need to know before you choose.

A practical summary of what the product is, where it fits and what to confirm before use.

What it is

These normally closed solenoid valves control water flow in high-pressure equipment. The pilot-piston design opens when its coil is energized and closes when power is removed. Choose the body size, pressure differential and electrical coil to suit the circuit. This range is intended for water rather than concentrated chemical delivery.

Problem it solves

Switch a high-pressure water circuit with the right valve.

Who it’s for

Water-flow switching in compatible high-pressure equipment.

Materials & compatibility

Water only. Confirm minimum differential pressure, coil voltage, duty and wiring. Body and internal materials vary by model.

Sizes & formats

Configured equipment / model family; request the exact configuration.

Limitations & cautions

Water only. Confirm minimum differential pressure, coil voltage, duty and wiring. Body and internal materials vary by model.

Supporting documentation

Download manufacturer manuals and brochures from the Documents & Downloads links or the Product Documents panel on this page.

Product details

The details behind the decision.

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Specifications & configurations

Brand
DEMA
Product type
Water Controls & Automation
Operating pressure differential: 10–1,200 psi, subject to selected model
Pipe sizes: 3/8-inch, 1/2-inch or 1-inch NPT
Published families: 453P / 453S / 454P / 458P / 458PS
Temperature limits: Fluid 200°F / 93°C; ambient 120°F / 49°C

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