ARI Valve Corporation
The pressure reducing valve is a direct acting proportional regulator, self operated; which regulates a high upstream pressure to a smaller downstream pressure. The downstream pressure is regulated, this means the valve closes when the downstream pressure rises.
Operating fields are to regulate steam, neutral gases, vapours and liquids. With steam and liquids, having temperatures higher than the allowable working temperatures a water seal pot must be installed in the control line (to protect actuator diaphragm).
  • Compact design, Exact and easy adjustment, Diameter independent ranges
  • 5 exchangeable actuator sizes, Actuator with rolling diaphragm.
  • 3 exchangeable spring sizes
  • Pressure balanced by stainless steel bellow
  • Spindle sealing via stainless steel bellow
  • Plug sealing to conical edge of seat, Screwed seatring
  • Construction without pillars, Simple change of spring and actuator
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Item #

Item Name

Dia. Nominal

Actuator

Nominal Pressure

Cv-Value

Seat Diameter

Height [H]

35.701 (DN 25) 1" DMA 40 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 1 Inch N/A DMA 40 N/A ANSI 150 N/A 9.3 N/A 0.98 Inch N/A 17.32 Inch
35.701 (DN 40) 1 1/2" DMA 40 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 1 1/2 Inch N/A DMA 40 N/A ANSI 150 N/A 23 N/A 1.57 Inch N/A 18.90 Inch
35.701 (DN 50) 2" DMA 40 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 2 Inch N/A DMA 40 N/A ANSI 150 N/A 37 N/A 1.97 Inch N/A 18.90 Inch
35.701 (DN 80) 3" DMA 40 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 3 Inch N/A DMA 40 N/A ANSI 150 N/A 93 N/A 3.15 Inch N/A 20.87 Inch
35.701 (DN 100) 4" DMA 40 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 4 Inch N/A DMA 40 N/A ANSI 150 N/A 146 N/A 3.94 Inch N/A 21.65 Inch
35.701 (DN 25) 1" DMA 80 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 1 Inch N/A DMA 80 N/A ANSI 150 N/A 9.3 N/A 0.98 Inch N/A 17.32 Inch
35.701 (DN 40) 1 1/2" DMA 80 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 1 1/2 Inch N/A DMA 80 N/A ANSI 150 N/A 23 N/A 1.57 Inch N/A 18.90 Inch
35.701 (DN 50) 2" DMA 80 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 2 Inch N/A DMA 80 N/A ANSI 150 N/A 37 N/A 1.97 Inch N/A 18.90 Inch
35.701 (DN 80) 3" DMA 80 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 3 Inch N/A DMA 80 N/A ANSI 150 N/A 93 N/A 3.15 Inch N/A 20.87 Inch
35.701 (DN 100) 4" DMA 80 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 4 Inch N/A DMA 80 N/A ANSI 150 N/A 146 N/A 3.94 Inch N/A 21.65 Inch
35.701 (DN 25) 1" DMA 160 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 1 Inch N/A DMA 160 N/A ANSI 150 N/A 9.3 N/A 0.98 Inch N/A 17.32 Inch
35.701 (DN 40) 1 1/2" DMA 160 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 1 1/2 Inch N/A DMA 160 N/A ANSI 150 N/A 23 N/A 1.57 Inch N/A 18.90 Inch
35.701 (DN 50) 2" DMA 160 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 2 Inch N/A DMA 160 N/A ANSI 150 N/A 37 N/A 1.97 Inch N/A 18.90 Inch
35.701 (DN 80) 3" DMA 160 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 3 Inch N/A DMA 160 N/A ANSI 150 N/A 93 N/A 3.15 Inch N/A 20.87 Inch
35.701 (DN 100) 4" DMA 160 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 4 Inch N/A DMA 160 N/A ANSI 150 N/A 146 N/A 3.94 Inch N/A 21.65 Inch
35.701 (DN 25) 1" DMA 250 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 1 Inch N/A DMA 250 N/A ANSI 150 N/A 9.3 N/A 0.98 Inch N/A 18.11 Inch
35.701 (DN 40) 1 1/2" DMA 250 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 1 1/2 Inch N/A DMA 250 N/A ANSI 150 N/A 23 N/A 1.57 Inch N/A 19.69 Inch
35.701 (DN 50) 2" DMA 250 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 2 Inch N/A DMA 250 N/A ANSI 150 N/A 37 N/A 1.97 Inch N/A 19.69 Inch
35.701 (DN 80) 3" DMA 250 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 3 Inch N/A DMA 250 N/A ANSI 150 N/A 93 N/A 3.15 Inch N/A 21.46 Inch
35.701 (DN 100) 4" DMA 250 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 4 Inch N/A DMA 250 N/A ANSI 150 N/A 146 N/A 3.94 Inch N/A 23.03 Inch
35.701 (DN 25) 1" DMA 400 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 1 Inch N/A DMA 400 N/A ANSI 150 N/A 9.3 N/A 0.98 Inch N/A 19.69 Inch
35.701 (DN 40) 1 1/2" DMA 400 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 1 1/2 Inch N/A DMA 400 N/A ANSI 150 N/A 23 N/A 1.57 Inch N/A 21.26 Inch
35.701 (DN 50) 2" DMA 400 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 2 Inch N/A DMA 400 N/A ANSI 150 N/A 37 N/A 1.97 Inch N/A 21.26 Inch
35.701 (DN 80) 3" DMA 400 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 3 Inch N/A DMA 400 N/A ANSI 150 N/A 93 N/A 3.15 Inch N/A 23.03 Inch
35.701 (DN 100) 4" DMA 400 ANSI 150 N/A PREDU®-ANSI Pressure Reducing Valve N/A 4 Inch N/A DMA 400 N/A ANSI 150 N/A 146 N/A 3.94 Inch N/A 24.02 Inch
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