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DRA500
Pressure regulator
DRA500

DRA500

UHP springless tied-diaphragm low-pressure reducing regulator, VCR type, in 1/4" and 1/2". High flow — Cv 0.5. Body in 316L or VAR (double melt) stainless, electropolished. Inlet to 3,500 psig (238 bar), outlet 5–150 psig. Metal-to-metal sealing, inboard leak rate to 1×10⁻⁹ atm cc/sec helium.

Body
316L / 316L VAR (double melt) stainless, electropolished
Diaphragm
316L stainless / Hastelloy-C
Type
Springless tied diaphragm
Surface finish
E.P. 10Ra or 5Ra

Materials

Body316L / 316L VAR (double melt) stainless, electropolished
Diaphragm316L stainless / Hastelloy-C
TypeSpringless tied diaphragm
Surface finishE.P. 10Ra or 5Ra
Max inlet3,500 psig (238 bar)
Outlet range5 psig (0.3 bar) to 150 psig (10.3 bar)
Ports1/4" · 1/2" VCR
Flow capacityCv 0.5 (1/4" and 1/2") · Cv 1.0 (option)
Inboard leak rateto 1×10⁻⁹ atm cc/sec helium
Design proof150% of maximum rated
CleaningClass 100 / Class 10 clean room

Applications & Documents

Ordering

Configure your order

Select the variables exactly as they appear in the manufacturer datasheet. The full part number is assembled automatically.

1

Body Material & Surface Finish

single select · 3 values
2

Outlet Pressure Range

single select · 5 values
3

Diaphragm Material

single select · 2 values
4

Max. Inlet Pressure

single select · 3 values
5

Seat Material

single select · 3 values
6

Flow Capacity

single select · 2 values
7

Inlet / Outlet Ports Size & Type

single select · 15 values
8

Gauge Ports Options

single select · 10 values
Order part number
DST-DRA500

Select variables

1

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