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DRA300
Pressure regulator
DRA300

DRA300

UHP springless tied-diaphragm low-pressure reducing regulator, VCR type. A flat wave-shaped ring spring (DRASTAR patent #10-1191514) replaces the conventional spring to suppress particle generation. Surface finish B.A. 25Ra, E.P. 10Ra or E.P. 5Ra. Inlet 3,000 psig (210 bar) or 600 psig (42 bar), outlet 5–250 psig. Push-and-lock handle.

Body
316L stainless / 316L VAR (double melt)
Diaphragm
316L stainless / Hastelloy-C
Type
Springless tied diaphragm
Surface finish
B.A. 25Ra / E.P. 10Ra / E.P. 5Ra

Materials

Body316L stainless / 316L VAR (double melt)
Diaphragm316L stainless / Hastelloy-C
TypeSpringless tied diaphragm
Surface finishB.A. 25Ra / E.P. 10Ra / E.P. 5Ra
Max inlet3,000 psig (210 bar) / 600 psig (42 bar)
Outlet range5 psig (0.3 bar) to 250 psig (17 bar)
Ports1/4" · 3/8" · 1/2" · 3/4" VCR
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 · 5 values
2

Outlet Pressure Range

single select · 4 values
3

Diaphragm Material

single select · 2 values
4

Max. Inlet Pressure

single select · 2 values
5

Seat Material

single select · 3 values
6

Flow Capacity

single select · 2 values
7

Inlet / Outlet Ports Size & Type

single select · 23 values
8

Gauge Ports Options

single select · 10 values
Order part number
DST-DRA300

Select variables

1

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