Pressure Snubbers
NPT, BSPT, and Metric Threads–Protect youR pressure gage/ transducer from pressure spikes and waterhammers!
PS-8 Series
UDampens Pressure Spikes in the Process Fluid Before They Reach the Sensor
UMade of High-Grade Stainless Steel
U Maximum Pressure Rating Up to
10,000 psi (690 bar) for Liquids
If your system has pressure spikes, waterhammers, pressure pulsations from a pump, or rapid pressure changes, using a pressure snubber can significantly prolong the life of your sensors. A pressure snubber dampens the spikes and surges that, over time, will
cause a pressure gage or transducer to fail. The pressure snubber has a porous metal disk that protects your gage/transducer.
Easy to install, the snubber goes between the gage/ transducer and the process. A pressure snubber should be used whenever there is a question about what type of pressure fluctuations a gage/ transducer might experience.
PS Series pressure snubbers will fit almost all industrial pressure gages and transducers.
Dimensions
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Hex Flats |
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Hex Length (approx) |
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Thread Length |
Overall Length |
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Size |
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NPT |
BSPT and Metric |
NPT |
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BSPT and Metric |
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NPT |
BSPT and Metric |
NPT |
BSPT and Metric |
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PS-8 |
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5⁄8" |
17 mm |
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21⁄32" |
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17 mm |
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17⁄32" |
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13 mm |
113⁄16" |
30 mm |
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PS-4 |
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3⁄4" |
19 mm |
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31⁄32" |
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25 mm |
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1⁄2" |
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13 mm |
115⁄32" |
37 mm |
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PS-2 |
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11⁄4 " |
32 mm |
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11⁄4 " |
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32 mm |
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29⁄32" |
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23 mm |
25⁄32" |
55 mm |
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To Order Visit omega.com/ps_snubbers for Pricing and Details |
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Thread |
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Pore Opening mm (inch) |
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Cap. CFH at |
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Model No. |
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(M&F) |
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Mean |
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Maximum |
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1-psi-diff. pRESS |
For use with |
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NPT Models |
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PS-8D |
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1⁄8 NPT |
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0.064 (0.0025) |
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0.127 |
(0.005) |
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6.5 |
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Oil 225 to 500 SSU (10 to 50 SAE) |
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PS-8E |
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1⁄8 NPT |
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0.033 (0.0013) |
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0.064 (0.0025) |
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3.0 |
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Water and light oil 30 to 225 SSU |
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PS-8G |
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1⁄8 NPT |
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0.010 (0.0004) |
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0.0025 |
(0.0009) |
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1.1 |
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Air, steam and gases |
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PS-4D |
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1⁄4 NPT |
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0.064 (0.0025) |
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0.127 |
(0.005) |
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6.5 |
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Oil 225 to 500 SSU (10 to 50 SAE) |
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PS-4E |
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1⁄4 NPT |
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0.033 (0.0013) |
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0.064 (0.0025) |
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3.0 |
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Water and light oil 30 to 225 SSU |
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PS-4G |
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1⁄4 NPT |
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0.010 (0.0004) |
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0.0025 |
(0.0009) |
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1.1 |
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Air, steam and gases |
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PS-2D |
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1⁄2 NPT |
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0.064 (0.0025) |
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0.127 |
(0.005) |
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6.5 |
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Oil 225 to 500 SSU (10 to 50 SAE) |
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PS-2E |
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1⁄2 NPT |
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0.033 (0.0013) |
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0.064 (0.0025) |
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3.0 |
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Water and light oil 30 to 225 SSU |
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PS-2G |
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1⁄2 NPT |
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0.010 (0.0004) |
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0.0025 |
(0.0009) |
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1.1 |
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Air, steam and gases |
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BSPT Models |
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PS-8D-M |
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1⁄8-28 BSPT |
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0.064 (0.0025) |
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0.127 |
(0.005) |
6.5 |
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Oil 225 to 500 SSU (10 to 50 SAE) |
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PS-8E-M |
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1⁄8-28 BSPT |
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0.033 (0.0013) |
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0.064 (0.0025) |
3.0 |
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Water and light oil 30 to 225 SSU |
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PS-8G-M |
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1⁄8-28 BSPT |
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0.010 (0.0004) |
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0.0025 |
(0.0009) |
1.1 |
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Air, steam and gases |
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PS-4D-M |
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1⁄4-19 BSPT |
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0.064 (0.0025) |
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0.127 |
(0.005) |
6.5 |
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Oil 225 to 500 SSU (10 to 50 SAE) |
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PS-4E-M |
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1⁄4-19 BSPT |
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0.033 (0.0013) |
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0.064 (0.0025) |
3.0 |
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Water and light oil 30 to 225 SSU |
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PS-4G-M |
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1⁄4-19 BSPT |
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0.010 (0.0004) |
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0.0025 |
(0.0009) |
1.1 |
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Air, steam and gases |
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PS-2D-M |
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1⁄2-14 BSPT |
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0.064 (0.0025) |
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0.127 |
(0.005) |
6.5 |
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Oil 225 to 500 SSU (10 to 50 SAE) |
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PS-2E-M |
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1⁄2-14 BSPT |
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0.033 (0.0013) |
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0.064 (0.0025) |
3.0 |
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Water and light oil 30 to 225 SSU |
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PS-2G-M |
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1⁄2-14 BSPT |
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0.010 (0.0004) |
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0.0025 |
(0.0009) |
1.1 |
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Air, steam and gases |
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Parallel Metric Models |
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PS-8D-MG |
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1⁄8-28 G |
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0.064 (0.0025) |
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0.127 |
(0.005) |
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6.5 |
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Oil 225 to 500 SSU (10 to 50 SAE) |
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PS-8E-MG |
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1⁄8-28 G |
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0.033 (0.0013) |
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0.064 (0.0025) |
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3.0 |
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Water and light oil 30 to 225 SSU |
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PS-8G-MG |
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1⁄8-28 G |
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0.010 (0.0004) |
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0.0025 |
(0.0009) |
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1.1 |
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Air, steam and gases |
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PS-4D-MG |
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1⁄4-19 G |
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0.064 (0.0025) |
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0.127 |
(0.005) |
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6.5 |
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Oil 225 to 500 SSU (10 to 50 SAE) |
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PS-4E-MG |
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1⁄4-19 G |
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0.033 (0.0013) |
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0.064 (0.0025) |
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3.0 |
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Water and light oil 30 to 225 SSU |
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PS-4G-MG |
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1⁄4-19 G |
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0.010 (0.0004) |
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0.0025 |
(0.0009) |
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1.1 |
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Air, steam and gases |
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PS-2D-MG |
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1⁄2-14 G |
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0.064 (0.0025) |
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0.127 |
(0.005) |
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6.5 |
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Oil 225 to 500 SSU (10 to 50 SAE) |
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PS-2E-MG |
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1⁄2-14 G |
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0.033 (0.0013) |
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0.064 (0.0025) |
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3.0 |
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Water and light oil 30 to 225 SSU |
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PS-2G-MG |
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1⁄2-14 G |
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0.010 (0.0004) |
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0.0025 |
(0.0009) |
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1.1 |
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Air, steam and gases |
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Ordering Examples: PS-8D-M, 1⁄8 x 1⁄8 BSPT snubber for oil. |
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PS-2E-MG, 1⁄2-14G x 1⁄2-14G parallel thread snubber for water. |
C-5 |
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