Description
Swagelok SS-4PM8
Reliable Swagelok purge valve for safe venting and draining of instrument lines
| Brand | Swagelok |
| Model | SS-4PM8 |
| Voltage | Not specified |
| Country of Origin | United States |
| Weight | 0.15 kg |
| Dimensions | 50.8 x 19.05 mm (2.0 x 0.75 in) |
| Warranty | 6 months |
| Certifications | ASTM, ASME, NACE MR0175 |
| SKU / MPN | SS-4PM8 |
| What’s in the box | Purge valve, instruction sheet |
| Connection Size | 1/4 in. |
| Connection Type | Male NPT |
| Body Material | 316 Stainless Steel |
| Max Working Pressure | 3000 psig (207 bar) |
| Temperature Rating | -23 to 204 °C (-10 to 400 °F) |
| Orifice Size | 4.0 mm (0.156 in) |
Key benefits: 316 SS corrosion-resistant body, compact inline design, leak-tight sealing, easy operation, NACE MR0175 compliant, compatible with aggressive media
Typical applications: Instrument air purge, analytical sample systems, process line venting, gas chromatography, impulse lines, chemical injection skids
Lifecycle: Active product, long-term availability with Swagelok limited lifetime warranty
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.








Thomas K. –
The servo amplifier performed well in velocity mode. Documentation was helpful.