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Dema 458PS.3D Brass Normally Closed High Pressure Valve - 1200 PSI, 85.98 GPM

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4.80 lbs
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A high pressure valve that is normally closed. Constructed with brass. Used with applications involving water.

Note: Includes a 24VAC DIN Coil

Prep 65

Prop 65


Technical Specifications

Max PSI: 1200
Max GPM: 85.98
Max Temperature: 200 degrees F
Inlet Port: 1 inch
Outlet Port: 1 inch

Product Description

Normally Closed Valve

This brass valve is engineered to handle pressures up to 1200 PSI. Sleeves and seats are made with stainless steel. Seals are made with Teflon. Designed for applications involving water.


  • Min. PSI: 10 
  • Max. PSI: 1200
  • Pipe Size: 1" NPT
  • CV Flow Factor #: 11.10
  • GPM @ 60 PSI: 85.98 


  • Application: Water
  • Brass Construction with Optional Stainless Steel Piston on Some Models
  • Stainless Steel Sleeves and Seats (except the 453P)
  • Teflon Seals
  • Rated for 200°F/93°C Fluid and 120°F/49°C Ambient.
  • Suitable Pressure up to 1200 PSI
  • CV Flow Factor Varies by model (1.8-11.1)
  • Includes: 24VAC DIN Coil

WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm (For more information go to

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