Airtac BSLM Miniature Silencer BSLM02-S
SUS304 stainless variant (-S)The AirTAC Airtac BSLM Miniature Silencer BSLM02-S is a genuine mini silencer that cuts exhaust noise by 20 dB at 0.5 MPa using a copper-particle sintered element in a SUS304 body.
- TypeMini silencer
- SeriesBSLM
- Working pressure0 - 1.0 MPa (0 - 10 kgf/cm2)
- Proof pressure1.5 MPa
- Noise reduction20 dB
- Temperature-20 to +70 °C
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac BSLM Miniature Silencer BSLM02-S
Every time a directional valve dumps its downstream air, the escaping pulse cracks loudly enough to dominate a workshop. The BSLM02-S screws onto the 1/4in PT exhaust port and breaks that pulse through a copper-particle sintered element, cutting exhaust noise by 20 dB measured at 0.5 MPa. The BSLM body is the compact version of the BSL profile, so it fits valve banks where spacing is tight.
This is the -S variant: the body is machined from SUS304 stainless steel instead of aluminium alloy, which is what earns it a place in wet, salty or chemically aggressive air systems. The sintered absorbing element remains a sintered copper construction inside the stainless housing, so the corrosion argument rests on the SUS304 body and not on a copper-free claim. Ratings carry over unchanged from the standard line: 0-1.0 MPa working pressure, 1.5 MPa proof, -20 to +70 C.
Airtac BSLM Miniature Silencer BSLM02-S Technical Specifications
| Model | Airtac BSLM Miniature Silencer BSLM02-S |
|---|---|
| Type | Mini silencer |
| Series | BSLM |
| Noise reduction | 20 dB at 0.5 MPa |
| Element | Copper-particle sintered element in a sus304 body |
| Body material | Stainless steel 304 (-S variant) |
| Working pressure | 0 - 1.0 MPa (0 - 10 kgf/cm2) |
|---|---|
| Negative pressure | -750 mmHg (10 Torr) |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Thread standard | PT (Rc tapered) unless the code says otherwise |
POM release button and chuck, aluminium-alloy guide, stainless spring gasket, NBR O-ring; body brass or PBT depending on the part. Stainless (-S): SUS304 silencer body. The sound-absorbing element remains copper-particle sintered, so this variant is specified for corrosion resistance rather than as a wholly copper-free part. AirTAC publishes flow as a characteristic curve rather than a single figure, so no L/min value is listed.
Model Code: Airtac BSLM Miniature Silencer BSLM02-S
| BSLM | Mini silencer. |
|---|---|
| 01 / 02 / 03 / 04 | Thread: 1/8", 1/4", 3/8", 1/2". M5 where the series offers it. |
| D | Black. Blank = grey. |
| -S | Stainless-steel body. |
Choosing a Silencer
- check Sintered-brass types (BSL / BSLM / BESL) give 13 dB and take rough treatment.
- check Resin types (PAL / PALM / PPA) give 25 dB and weigh far less.
- check PPA plugs straight into a tube instead of a thread, and is copper-free for sensitive processes.
- check BESL adds an adjustable throttle, so it silences AND sets exhaust speed in one part.
- check An undersized or clogged silencer shows up as a slow return stroke - size it to the valve's exhaust port.
Where the Airtac BSLM Miniature Silencer BSLM02-S Is Used
Seafood processing wash-down line
On a shrimp or fish packing line the valve bank is hosed down with chlorinated water every shift, where an aluminium silencer would corrode. The SUS304 body of the BSLM02-S shrugs this off on 1/4in exhaust ports.
Marine deck winch solenoid valves
Salt spray reaches everything on a workboat deck. Mounted on the 5/2 valve exhausting a mooring winch cylinder, the stainless housing resists the salt-laden atmosphere that pits standard silencers within months.
Electroplating line valve exhausts
Acidic fumes above a plating tank attack non-ferrous metals fast. On the 1/4in exhaust of a transfer cylinder valve beside the tank, the SUS304 body of the BSLM02-S outlasts the aluminium original.
Is the Airtac BSLM Miniature Silencer BSLM02-S the Right Part?
Metal or resin is the first decision. Sintered metal elements like this one survive knocks, hot oily exhaust and dirty plant air; resin types reach 25 dB but will not take abuse. If you also need to throttle the exhaust speed of the actuator, step up to a BESL throttling silencer instead of pairing this with a separate flow control. Size to the valve exhaust port, not down: an undersized silencer throttles the exhaust and stretches the cylinder return stroke. In the BSLM ladder the next size down is BSLM01 with a 1/8in thread and the next size up is BSLM03 with 3/8in; each step changes the port it seals and the exhaust area behind it. If your valve is M5 threaded, BSLM-M5-S is the smallest entry in the range.
Quick checklist
- ✓ Tube outside diameter matches exactly
- ✓ Thread size and standard match the port
- ✓ Working pressure within 0 - 1.0 MPa (0 - 10 kgf/cm2)
- ✓ Temperature within -20 to +70 °C
- ✓ Noise target: 13 dB metal or 25 dB resin
Airtac BSLM Miniature Silencer BSLM02-S FAQ
Working pressure 0-1.0 MPa (0-10 kgf/cm2), negative pressure down to -750 mmHg (10 Torr), proof pressure 1.5 MPa, and an operating temperature range of -20 to +70 C. The thread is PT 1/4in. Silencing effect is 20 dB at 0.5 MPa, achieved by a copper-particle sintered element inside a SUS304 stainless body.
Yes, both use a 1/4in PT thread and the same pressure and temperature ratings, so the swap is direct. Expect a quieter result from the plastic type (25 dB versus 20 dB here) but far less durability: the sintered metal element tolerates oily, dirty and hot exhaust that would rapidly blind a polyethylene-fibre filter, which is why the stainless version is chosen for wash-down and corrosive environments.
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1-Year Warranty
Covers non-human-caused product damage.
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