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Dome Loaded Regulator – 44

Technical Specification

Fluid Media All gases and liquids compatible with materials of construction
Max. Rated Inlet Pressure 5000 PSIG
Outlet Pressure Range; 50-1500 PSIG
Design Proof Pressure 7000 PSIG
Design Burst Pressure 8000 PSIG
Materials Body, S.S. 304/S.S. 316 all adjustable
Trims S.S. & 17-4 PH
Flow Capacity Main Valve CV=0.7, Vent Valve CV=0.35
Temperature -17 to 170 C
Leakage Bubble Tight CL VI
Ports 1/4", 3/8", 1/2" NPT/BSP

The DLR-44 Nutech-01 series regulator is a piston sensed, dome loaded, positive biased, pressure regulator. The positive bias provide a constant outlet pressure from 50-1500 PSI (3.4-105 BAR) greater than the reference pressure. Due to the self-vented feature, the outlet pressure can be vented through the regulator allowing downstream regulation even with a decreasing reference pressure. The DLR-44 Nutech-01 provides valve. A segregated vent allows the outlet pressure to be vented separately and eliminates mixing media with the reference pressure zone.

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Remote Air Operated PRV- 45

Technical Specification

Inlet Body Size 1/4", 3/8", 1/2", 3/4", 1", 11/2", 2" NPT/BSP
Body C.S./Brass/Alloy Steel
Diaphragms Seats Neoprene/Buna-N/302 ST. ST. Standard Metal
Trims S.S./Brass
Inlet Pressure 0 to 500 psig
Outlet Pressure 0 to 300 psig

Loading pressure - either air or inert gas - is applied to tge tope of the diaphragm by the loader to open the main valve against the valves spring and inlet pressure. After the valve is open, more loading pressure is applied to the top of the diaphragm to keep the valve open while building up the desired reduced pressure under the diaphragm and to restore equilibrium under flow conditions. Reduced pressure from the down stream piping system is applied to the bottom of the metal diaphragm through an external impulse line.

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Back Pressure Regulator – 123

Technical Specification

Inlet Body Size 1/4", 3/8", 1/2", 3/4", 1", NPT/BSP
Bodies C.S./Brass/Alloy Steel
Diaphragms Seats Neoprene/Buna-N/302 ST. ST. Standard Metal
Trims S.S./Brass/Alloy Steel

Pressure Reducing Valve : The model PRV-123 is Nutech's primary general service, self contained, back pressure, reducing, regulator. Unit handles back pressures 0 to 400 psig (27.6 barg) in multiple spring ranges. Model PR-123 is utilized for the majority of industrial back pressure reducing applications.

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Pressure Regulator HP-263

Technical Specification

Media All gases compatible with materials of construction for other media consult with factory
Rated Inlet Pressure 6000 PSIG (Stainless steel body)
Outlet Pressure Range 4-50, 4-150, 4-250, 4-500 PSIG
Proof Pressure 8500 PSIG
Burst Pressure 10000 PSIG
Materials Body - Stainless Steel
Flow Capacity Cv = .08
Ambient operating and -55 C To 75 C
fluid media temperature Port Size 1/8", 1/4", 3/8", 1/2" NPTF/BSPF
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Pressure Regulator HP – 1000

Technical Specification

Application Air/Liquid/Gas
Inlet Size 3/8", 1/2", 3/4"
Inlet Pressure - Max 10000 PSI
Outlet Pressure - Max 9000 PSI
Orifice Size 0.5 to 1.0
Temperature Range -55 to 90l
Material C.S./Alloy Steel/NAB

These controllers represents a new height in the achievements of continuous design and development improvements by Nu-Tech Valves. Series-1000/01 are compact light eshy to adjust, offered in three basic grades of material for bodies and spring housings.

Additional Typical Application :

Series-1000/01 controllers are designed for use with all gases and liquids compatible with the materials employed while we can offer faster delivery in standard materials. Special materials for aggressive conditions can be supplied on request.

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Two stage Pressure Regulator HP – 290

Technical Specification

Fluid Material All gases corrosive or non-corrosive or those requiring high purity regulations complete with materials or construction.
Max. Rated Inlet Pressure 6000 PSIG
Outlet Pressure Range 1-25, 2-50, 10-200, 20-300, 100-600
Flow Capacity 0.06
Inlet Outlet Port Size 1/4", 3/8", 1/2" NPT/BSP

Typical Application :

High purity gas handling regulations of corrosive and specially semiconductor manufacturing epitaxial reactors diffusion furnaces research lab.

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Online Gas Regulator – 300

Technical Specification

Application Air/Liquid/Gas
Sizes 1/2"3/4" NPT
Inlet Pressure-Max 5000 PSIG
Outlet Pressure-Max 0 to 4000 PSIG
Temperature Range 100 C
Orifice Size 1/8", 1/4", 3/8", 7/16", 1/2"5/8", 7/8"
Pressure Range 200, 300, 350, 450, 550, 1150*, 1650* PSI

Over pressurization protection : Protect the downstream piping system and the regulator's low pressure chambers against over pressurization due to possible regulator malfunction or failure to achieve complete lockup. The allowable outlet pressure is the lowest codes, state codes, Nu-Tech bulletin NEV-300 or other applicable standard. The method of protection can be relief valve, monitor regulator, shutoff device or similar mechanism.

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Pressure Reducing Valve-400

Technical Specification

Body Size 3/8", 1/2"3/4" 1" (Dn 10, 15, 20, 25)
End Connections Standard - NPT/BSP Female
Orifice Up to 3.6 Cv
Body Material CS/SS

The model PRV 400 is Nutech's primary general service, self-contained, pressure, reducing, regulator. Unit handles inlet pressure up to 400 psig (27.6 barg) and outlet pressures from 2-250 psig (O.14-17.2 barg) in multiple spring ranges. Model PRV 400 is utilized for the majority of industrial pressure reducing applications.

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Angle Type Online Pressure Regulator-467

Technical Specification

Body Material C.S./S.S.
Op. Temp. Range -20 F to +150 F
Inlet Pressure Range 5 to 1000 PSIG
Outlet Pressure Range 3 to 200 PSIG

Environmental Conditions :

467 regulators are designed for outdoor and indoor installation.

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Pressure Reducing Valve – 468

Technical Specification

End Connection Screwed 1/2", 3/4", 1", 1.5"
Inlet Max 300 PSIG
Spring Ranges 2-10 psi, 5-20 psi, 5-35 psi, 15-35 psi, 50-100 psi, 100-150 psi
Media Air / Gas / Liquid
Body Material ASTMA 216 Gr. WCB & Alloy Steel

Accurately Determine :

• Reduced pressure • Inlet Pressure • Allowable change in reduced pressure from maximum to minimum flow, psi maximum required flow • Subtract the reduced pressure from the inlet pressure

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Pressure Reducing Valve – 469

Technical Specification

Application Air/Liquid/Gas/Steam
Valve Size 1" to 6", 150# to 300#
Inlet Pressure-Min/Max 10 PSI / 300 PSI
Outlet Pressure-Min/Max 5 PSI / 100 PSI
Temperature Range 150 F
Temperature Range 150 F
Body Material C.S./Alloy Steel/Brass
Trim S.S. 316/304/Brass

Valve Function

Inlet pressure acta upward on small balancing diaphragm (or piston in 21/2-3" sizes) to equalize downward pressure on valve disc, providing fully balanced action. Inlet pressure variations are equalized without affecting set-point. When the adjusting spring is compressed, it opens the main valve to admit fluid to down stream side. When the downstream pressure under the large diaphragm equals the force exerted by the adjusting spring, equilibrium is restored and the main valve maintains flow of the set down stream pressure. Simply designed, your Nu-Tech hi-flow is slated for a long, trouble-free life. Standard renewable parts never need special fitting or machining. Here's a rugged regulator built to absorb hydraulic system shocks that upset ordinary valves.

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Pressure Reducing Valve S-470

Technical Specification

Valve Size 1/2" to 10"
Rating 150# to 900#
Inlet Pressure 25 to 1500 PSIG
Outlet Pressure 0 to 600 PSIG
Application Air/Gas/Steam/Liquid
Material Body : C.S. & Alloy Steel, Trim-304, 316
  • Single Seated : Closing with inlet pressure for positive, dead-end, shut-off
  • Accuracy of Regulation : Comparable to instrument control with full flow for equivalent pipe
  • New type piston with Teflon+Seal : For temperature up to 500 F. Give continuous wiping action keeping liner clean, improving operating reliability and reducing maintenance. Piston rings can be furnished for temperatures over 500 F.
  • Fully Guided main valve : Prevents rubbing or binding of internal parts
  • Gradual opening ported main valve : In sizes 2 1/2" and larger for improved throttling control under low flow conditions.
  • Sensitive stainless steel diaphragm : Responds instantly to any flow change and eliminates stuffing boxes and bellows seals. Full travel less than its own thickness stress to a minimum.
  • Renewable Interchangeable parts : Machined to close tolerance; complete overhaul without machining or removing valve body from the line.
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Pressure Reducing Valve for Gas Service LP-122

Technical Specification

Valve Size 1", 1 1/4", 1 1/2", 2", 2 1/2" screwed/Flenged end
Outlet Pressure 1 1/2" W. C. to 2 PSI
Diaphragm Case Die Cast Aluminum / CS / SS
inlet Pressure 15 PSI
Body Material C.S./CF8/CF8M
Spring Color coated spring steel material
  • Double Acting Vent Damper : Assure fast response plus stable operation.
  • Internal Control Tube : Engineered for accurate pressure control.
  • Removable orifice : Precision knife-edge plus molded soft seats assure positive tight shutoff orifice in 3/4", 1" and 1 1/4"
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Self Regulating Valve-523

Technical Specification

Valve Size 2", 3", 4"
Rating 150# to 300#
Temperature 180 C Maximum
Inlet Pressure Max. 300 PSIG
Valve Function
Self Regulating
Accessories
Pressure reducing, up stream-down stream control
control, emergency on/off, back pressure control
High pressure regulator pneumatically operated
blind pressure controller
Body Globe style with model 523
Material • Body - C.S. & Alloy Steel • Trim - C.S. & Alloy Steel
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