Stainless Steel Filters
Compare Stainless Steel Filters
Compare dedicated particulate filtration and combined filter-regulator options for your air or gas system. Start with the required function, micron rating and drain configuration, then match pressure, port size and flow.
Scroll horizontally to view every specification. The model column stays visible.
| Model / literature | Function / outlet pressure | Stainless steel construction | Filter rating (microns) | Maximum inlet pressure | Port sizes (in.; NPT) | Nominal flow (SCFM) | Drain |
|---|---|---|---|---|---|---|---|
|
Type 52SSFR Type 52SSFR spec sheet (PDF) |
Filtration + pressure reduction Outlet: 3-30, 6-60, 12-125 or 15-150 psig |
316 housing and filter assembly | 25 standard; 5 optional |
425 psig | 1/4, 3/8, 1/2, 3/4, 1 | 38-400 A | Manual |
|
Type 52SSAR Type 52SSAR spec sheet (PDF) |
Filtration + pressure reduction Outlet: 3-30, 6-60, 12-125 or 15-150 psig |
316 housing and filter assembly | 25 standard; 5 optional |
425 psig | 1/4, 3/8, 1/2, 3/4, 1 | 38-400 A | Automatic |
|
Type 64SS Type 64SS spec sheet (PDF) |
Standalone particulate filtration No regulated outlet-pressure setting |
316L body and bowl; 316 filter element |
25 standard; 5 or 40 optional |
435 psig manual drain; 150 psig automatic drain |
1/4, 3/8, 1/2, 3/4, 1, 1-1/2, 2 | 76-550 B With 40-micron element |
Manual standard; automatic optional D |
|
Type 66SS Type 66SS spec sheet (PDF) |
Filtration + pressure reduction Outlet: 3-30, 6-60, 12.5-125, 15-150 or 25-250 psig E |
316L body, bonnet and bowl; 316 filter element |
25 standard; 5 or 40 optional |
435 psig manual drain; 150 psig automatic drain |
1/4, 3/8, 1/2, 3/4 | 74-340 C | Manual standard; automatic optional D |
Choose the function first. Type 64SS provides dedicated particulate filtration. Type 52SSFR, Type 52SSAR and Type 66SS combine filtration with pressure reduction.
A: Type 52 flow is rated at 100 psig supply and 20 psig outlet. B: Type 64SS flow is rated at 87 psi supply and a 14.5 psi pressure drop, using a 40-micron element. Finer elements reduce flow. C: Type 66SS flow is rated at 150 psi supply, 87 psi set pressure and a 14.5 psi drop from set. These ratings use different test conditions.
D: Automatic-drain options on Type 64SS and Type 66SS are available with nitrile elastomers only and have a 150 psig maximum inlet pressure.
E: The Type 66SS 250 psig outlet range requires an appropriate manual-drain configuration and sufficient inlet pressure. Select the outlet range below the available inlet pressure and verify the complete part number.
View flow ratings by port size
- Type 52SSFR / SSAR (A): 1/4 in.: 38; 3/8 in.: 42; 1/2 in.: 95; 3/4 in.: 105; 1 in.: 400 SCFM.
- Type 64SS (B; 40-micron element): 1/4 in.: 76; 3/8 in.: 84; 1/2 in.: 123; 3/4 in.: 192; 1 in.: 500; 1-1/2 in.: 525; 2 in.: 550 SCFM.
- Type 66SS (C): 1/4 in.: 74; 3/8 in.: 173; 1/2 in.: 192; 3/4 in.: 340 SCFM.
View filtration and material selection notes
Type 52SSFR and Type 52SSAR use 316 stainless steel housing and filter assemblies, including a sintered 316 stainless steel element. Type 64SS and Type 66SS use 316L stainless steel body components with 316 stainless steel filter elements as listed in their current detailed specification tables. Body grade and element grade should be checked separately.
Match the micron rating, pressure limit, port size, flow, drain, elastomers, media compatibility, temperature and cleaning requirements to the installation. Type 64SS provides filtration without a regulated outlet setpoint. For separate pressure-control options, compare our stainless steel regulators.
Stainless Steel Filters for Corrosive and Demanding Air and Gas Systems
Bellofram Precision Controls offers a specialized range of stainless steel filters and filter-regulators designed to protect pneumatic, instrumentation, and gas-handling systems in corrosive, caustic, clean, and demanding operating environments. Available configurations include standalone particulate filters and combination filter-regulators that provide filtration and downstream pressure control in a single assembly.
Bellofram stainless steel filtration products are available in 316 and 316L stainless steel configurations. The Type 52 filter-regulator family uses 316 stainless steel housings and filter assemblies and is designed for sour gas, offshore oil and gas, petrochemical, and other corrosive applications. The Type 64SS particulate filter and Type 66SS filter-regulator use 316L stainless steel construction for applications where corrosion resistance and material compatibility are important.
Standard 25-micron stainless steel filtration is available across the products in this collection, with configurations supporting industrial air and gas, specialty gases, medical and biomedical gases, instrument and sampling panels, pharmaceutical processing, food and beverage equipment, and other systems requiring corrosion-resistant particulate filtration.
Why Choose Bellofram Stainless Steel Filters?
Corrosion-Resistant Construction: Choose from 316 and 316L stainless steel configurations for applications involving corrosive environments, caustic media, industrial gases, moisture, and demanding process conditions.
Stainless Steel Particulate Filtration: Selected Bellofram filters use removable stainless steel filter elements to help capture particulate contamination before it reaches downstream instrumentation, regulators, valves, or process equipment.
Filter-Regulator Options: The Type 52 and Type 66SS families combine particulate filtration with downstream pressure regulation, helping reduce the number of separate components required in a pneumatic or gas-control system.
Manual and Automatic Drain Options: Type 52 filter-regulator configurations include built-in dripwells for collecting water, oil, and other contaminants, with manual or automatic drain options available depending on the model.
Clean-Gas and Medical Applications: Oxygen cleaning is available on selected 316L stainless steel products for appropriate clean-gas, medical, biomedical, and specialty-gas applications.
Sour-Gas and Oilfield Options: Selected Type 52 stainless steel filter-regulators comply with NACE material requirements for sulfide stress cracking resistance and are suited for sour-gas, offshore oil and gas, and petrochemical applications.
Stainless Steel Particulate Filters and Filter-Regulators
The Type 64SS stainless steel particulate filter provides dedicated particulate filtration in a 316L stainless steel assembly. It is available in multiple port sizes for applications including industrial and specialty gases, medical gases, laboratory equipment, instrumentation, pharmaceutical processing, food and beverage equipment, and corrosive or caustic environments.
For applications requiring filtration and pressure control together, the Type 52 and Type 66SS filter-regulators combine a stainless steel filter element with pressure regulation in a single unit. This can simplify system design while helping protect downstream equipment from particulate contamination and excessive pressure.
Find the Right Stainless Steel Filter
Selecting the right stainless steel pneumatic filter or filter-regulator depends on factors including process media, inlet pressure, required outlet pressure, flow capacity, filtration level, port size, stainless steel grade, drain requirements, operating temperature, mounting method, and any NACE, oxygen-cleaning, or application-specific requirements.
Explore the Bellofram stainless steel filters above to compare particulate filters, manual-drain filter-regulators, and automatic-drain configurations. Bellofram Precision Controls can also assist with selecting filtration and pressure-control components for specialized industrial, medical, gas-handling, and process applications.
Stainless Steel Filter FAQs
Why use a stainless steel pneumatic filter?
A stainless steel pneumatic filter can provide increased resistance to corrosion and demanding operating environments while removing particulate contamination from compressed air or compatible gases. Stainless steel filters are commonly considered for chemical processing, specialty gases, instrumentation, medical systems, pharmaceutical equipment, food and beverage applications, and other environments where material compatibility is important.
What is the difference between a particulate filter and a filter-regulator?
A particulate filter is designed primarily to remove solid contamination from an air or gas stream. A filter-regulator combines filtration with a pressure-reducing regulator so the same assembly can help remove particulates and maintain controlled downstream pressure.
What filtration rating do Bellofram stainless steel filters use?
The stainless steel products in this collection are available with 25-micron stainless steel filtration as a standard configuration. The appropriate filtration level should be matched to the air or gas quality requirements of the downstream equipment.
What is the Bellofram Type 64SS stainless steel filter?
The Type 64SS is a standalone particulate filter constructed from 316L stainless steel. It is supplied with a 25-micron stainless steel filter element and is available in port sizes ranging from 1/4 inch through 2 inches for industrial, specialty-gas, medical, instrumentation, and process applications.
What is the Type 66SS stainless steel filter-regulator?
The Type 66SS combines a direct-acting pressure-reducing regulator with stainless steel particulate filtration. It uses 316L stainless steel construction, includes a standard 25-micron stainless steel filter, and is available in multiple pressure ranges for air and compatible industrial or medical gas applications.
What is the difference between the Type 52 SSFR and Type 52 SSAR?
Both Type 52 products combine stainless steel filtration with pressure regulation and include a dripwell for collecting contamination. The SSAR configuration incorporates an automatic drain, while Type 52 filter-regulator configurations are available with manual or automatic draining depending on the selected model.
Are Bellofram stainless steel filters suitable for sour gas applications?
Selected Type 52 stainless steel filter-regulators are designed for sour gas, offshore oil and gas, petrochemical, and corrosive environments. These assemblies comply with the applicable NACE MR0175 material requirements identified in their product specifications.
Can Bellofram stainless steel filters be used with medical or clean gases?
Selected Bellofram stainless steel filtration products are intended for medical, biomedical, clean-gas, and specialty-gas applications. Oxygen cleaning is available on selected 316L stainless steel models. Media compatibility, cleaning requirements, pressure, and materials should be verified for the specific application.
Are all Bellofram stainless steel filters made from 316L stainless steel?
No. The Type 52 filter-regulator family uses 316 stainless steel housings and filter assemblies, while the Type 64SS particulate filter and Type 66SS filter-regulator use 316L stainless steel construction. Individual product specifications should be reviewed when a particular stainless steel grade is required.
How do I choose the right stainless steel filter or filter-regulator?
Selection should consider process media, inlet pressure, required outlet pressure if regulation is needed, flow capacity, filtration requirements, port size, stainless steel grade, drain type, operating temperature, mounting requirements, and any NACE, oxygen-cleaning, medical, or application-specific requirements.
