The RY-SAR-01 is a single-person electric long-tube respirator: a stainless steel blower housing with a carry handle and an explosion-proof motor draws ambient air and delivers it through a corrugated long hose to a full-face mask with a yellow frame. The hose is supported on a waist strap so its weight is not carried on the facepiece, and the couplings at both ends are quick-fit. The unit is supplied with its explosion-proof certificate, test report and manual. It is used where a worker has to stay in a classified or contaminated area for a full shift and cannot wear a cylinder set — tank cleaning, confined-space entry support, painting and coating, and outdoor work near potential releases.
This is a supplied-air respirator, not a self-contained one, and the difference decides whether it is the right choice.
It does not make air. The blower moves ambient air; it does not add oxygen and it does not remove every contaminant. If the intake sits in the plume, the worker breathes the plume — through a hose, but still the plume. That is why the blower position is the single most important decision on site: it must be in clean air, upwind of the work, and its intake must be monitored or at least checked by the attendant before entry. A long hose makes it tempting to leave the blower "somewhere convenient", and that is how these units fail.
It has no escape supply. A cylinder set gives the wearer a few minutes of independent air if the supply fails; this unit does not. If the blower stops, the hose is crushed by a closing door, or the power is lost, the wearer has whatever is in the hose and nothing else. So the deployment needs a defined escape route, a standby person at the blower, and a rule that the wearer leaves on any interruption rather than waiting to see if it recovers.
The hose is a pressure loss and a trip hazard. Flow falls as hose length rises, and a kinked or crushed hose starves the mask. Run the hose overhead or on a reel rather than across a walkway, keep the bends generous, and never couple two hoses to reach further without checking that the blower can still deliver at the mask.
The mask only protects if it seals. A full-face mask needs correct size and a fit check every time it is worn; facial hair, a badly adjusted harness or a distorted visor gasket will leak, and a leaking mask in a contaminated area is worse than none because it feels protected.
The explosion-proof rating is a marking, not a guarantee. The blower is built for classified areas, but the gas group and temperature class on the nameplate must be checked against the zone it will stand in, and the certificate that comes with the set is the document that proves it.
Stainless steel blower housing with carry handle, resistant to wash-down and to most process atmospheres.
Explosion-proof motor and enclosure for use in classified areas, with the certificate and test report supplied with the set.
Long corrugated breathing hose with quick-fit couplings at both ends, stored coiled for transport.
Full-face mask with yellow frame, wide visor and exhalation valve.
Waist strap supporting the hose, so the facepiece is not loaded by the hose weight.
Single-person configuration; the blower sits outside the work area and feeds one mask.
Mains-powered with a plug and cable, so no consumable cylinders and no charging routine.
Compact enough for one person to carry and set up, and to move between work points during a shift.
Supplied as a complete kit: blower, hose, mask, strap, certificate, test report and manual.
| Model | RY-SAR-01 |
| Type | Electric long-tube supplied-air respirator, single person, blower-fed |
| Blower housing | Stainless steel enclosure with carry handle and hose outlet |
| Motor | Explosion-proof motor; gas group and temperature class per nameplate and certificate |
| Power supply | Mains supply with plug and cable; voltage and phase confirmed on order |
| Breathing hose | Corrugated long hose with quick-fit couplings; length to order |
| Facepiece | Full-face mask with wide visor, exhalation valve and yellow frame |
| Hose support | Waist strap carrying the hose weight off the facepiece |
| Air source | Ambient air drawn at the blower intake; intake must be sited in clean air upwind of the work |
| Escape supply | None; the unit depends on the blower running, so an escape route and standby person are required |
| Documents | Explosion-proof certificate, test report and manual supplied with each set |
| Packing | Complete kit packed for transport and storage |
Site the blower in clean air, upwind of the work and outside the classified or contaminated zone, and check the intake is clear of vehicle exhaust and process vents.
Confirm the nameplate gas group and temperature class match the zone where the blower will stand, and keep the certificate with the set.
Run the hose by the shortest sensible route, supported or overhead, with no sharp bends, no door traps and no vehicle crossing points.
Fit the mask, carry out a fit check with the palm test, and confirm the wearer can breathe comfortably and the visor does not fog before entry.
Appoint a standby person at the blower who stays in contact with the wearer and knows to cut the work if the blower stops or the hose is disturbed.
Agree and brief the evacuation signal and route before entry, and record the entry, the blower position and the hose length in the permit.
Before each use: inspect the hose for cracks, flattening and damaged couplings; check the mask visor, gasket and exhalation valve; run the blower and confirm airflow at the mask before the wearer puts it on.
After each use: clean and disinfect the mask, wipe the hose, coil it without sharp bends, and check the cable and plug for damage.
Monthly: inspect the blower intake and fan for dust build-up, check the earth continuity of the housing and the condition of the cable gland.
Annually: have the explosion-proof enclosure and motor inspected by a competent person, replace the mask gasket and exhalation valve, and re-check the certificate against the zone if the process has changed.
A long-tube respirator is a supplied-air device: it does not generate oxygen and must not be used in an oxygen-deficient or immediately dangerous to life or health atmosphere unless the intake air is guaranteed clean and the assessment says so in writing, and it must never be used as a substitute for self-contained apparatus where an escape supply is required. The complete assembly — blower, hose and mask — has to be assessed as a system, because a certified blower with a mismatched mask is not a certified respirator. The explosion-proof marking governs where the blower may stand, not where the wearer may go. Local rules on confined-space entry, permit-to-work, fit testing and standby arrangements apply on top of the equipment, and the certificate supplied with the set must be kept with the unit and produced at inspection.
Tank and vessel cleaning support, confined-space entry where the blower can stand in clean air, spray painting and coating, solvent handling, pharmaceutical and chemical process work, and outdoor tasks near potential releases in classified areas.
State the model RY-SAR-01, the hose length required, the supply voltage and phase, the zone classification and required gas group and temperature class for the blower, and the mask size or whether several sizes are needed for a team. Confirm whether a spare hose, an additional mask or a hose reel is to be included, and state the language required for the manual. The set is supplied with its explosion-proof certificate and test report; ask for copies in advance if they are needed for a permit submission.