Page 1
A
ADJUSTABLE PRESSURE SNUBBERS
A
Protect Instruments from Pressure Spikes or Fluid Hammer
316 SSBrass
DIMENSIONS
Connections A B C H
1/4˝ M x F
3/8˝ M x F
1/2˝ M x F
55
42
13
60
44
16
60
40
20
25.0
25.0
28.0
Pressure Snubbers
[C]
[A]
[B]
A
[HEX “H”]
The Adjustable Pressure Snubbers protect pressure instruments against
uctuations, surges, spikes and uid hammer. The ne thread adjustable valve allows
you to ne tune harmful harmonic vibration from the uid systems and isolate the
instrument from process when service or replacement is necessary. These Pressure
Snubbers are designed to provide fully eld adjustable dampening. By using our
Adjustable Pressure Snubbers, you will alleviate surges and pulsations to assure
steady pressure readings and extend the life of your instrument.
MODEL CHART
Model Material Connections Model Material Connections
A-251
A-252
A-253
A-254
A-255
A-256
Brass
Brass
Brass
Brass
Brass
Brass
1/4˝ male/female BSPP
3/8˝ male/female BSPP
1/2˝ male/female BSPP
1/4˝ male/female NPT
3/8˝ male/female NPT
1/2˝ male/female NPT
A-257
A-258
A-259
A-260
A-261
A-262
316 SS
316 SS
316 SS
316 SS
316 SS
316 SS
1/4˝ male/female BSPP
3/8˝ male/female BSPP
1/2˝ male/female BSPP
1/4˝ male/female NPT
3/8˝ male/female NPT
1/2˝ male/female NPT
SPECIFICATIONS
Service: Compatible liquids and gases.
Wetted Parts: Brass or 316 SS.
Pressure Limits: 5690 psi (392 bar).
Temperature Limits: -4 to 302°F (-20 to 150°C).
Process Connections: See chart.
Weight: 8.4 oz (238 g).
USA: California Proposition 65
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 www.P65Warnings.ca.gov.
451DWYER INSTRUMENTS, LLC | dwyer-inst.com
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