Technical selection
Specifications and configuration
Reference — Stäubli — CGO
| Parameter | Documented value / configuration |
|---|---|
| Mating style | blind-mate with self-alignment |
| Mounting | Axis misalignment compensation up to 0.5 mm mmConditions: manufacturer note: model and installation dependent |
| Hose size | DN 03 to DN 12 nominal diameter range |
| Working pressure | 16 barConditions: limit type: maximum allowable; qualification: depends on model and operating conditions |
| Coolant | glycol-water; cooling water; heat-transfer oils; esters; kerosene; PAO |
| Wetted material | nickel-plated brass for some CGO styles; surface-treated aluminum alloy for CGO/L |
Reference — CPC — family reference
| Parameter | Documented value / configuration |
|---|---|
| Interface designation | BLQ2; BLQ4 |
Reference — CPC — Everis BLQ4
| Parameter | Documented value / configuration |
|---|---|
| Port connection | SAE straight thread; G/BSPP thread |
| Disconnect state | Valved non-spill blind-mate connection intended to disconnect under pressure. |
| Leakage behavior | Spillage below 0.025 cc at 0 psi and below 0.055 cc at 120 psi |
| Temperature | -17 to 115 degrees C (0 to 240 degrees F) |
| Working pressure | Vacuum to 120 psi (8.3 bar) |
| Wetted material | brass body; high-performance polymer valve; stainless steel valve spring; EPDM seals |
| Mounting | Thread-mounted blind-mate body/insert; rack alignment system remains an application-level input. |
Reference — Danfoss — Hansen BMQC (2024 launch)
| Parameter | Documented value / configuration |
|---|---|
| Working pressure | 2.4 barConditions: 5 mm BMQC, not generic UQD/UQDB; limit: working pressure in 2024 BMQC announcement; not a UQDB rating |
| Flow | maximum: 10; rated: 6 L/minConditions: 5 mm BMQC, not generic UQD/UQDB; model: BMQC 5 mm |
| Pressure drop | 0.15 barConditions: 5 mm BMQC, not generic UQD/UQDB; flow: 6 L/min; fluid and temperature: Not stated in announcement; curve verification required |
| Wetted material | 303 stainless-steel coupling with EPDM sealConditions: 5 mm BMQC, not generic UQD/UQDB |
| Mounting | Radial offset up to 5 mm; angular offset up to 2.7 degreesConditions: 5 mm BMQC, not generic UQD/UQDB; installation: Self-aligning server chassis to rear-rack manifold; engineering drawing required |
Candidate Product-family draft. Configuration, availability and acceptance are established for the requested item.
Component scope
Blind-mate couplings are installed through controlled equipment movement where direct hand access is limited. Their function depends on alignment, approach direction, travel and a matched counterpart.
Configuration and selection
Send equipment datums, tolerance stack, mating force or travel limits, fluid conditions and service-cycle expectations. Leakage and disconnect behavior need configuration-specific verification.
Define before quotation
- Rack or equipment datum scheme
- Exact interface designation and revision
- Alignment, tolerance, mating force, and service sequence
- Fluid, pressure, leakage, and cycle validation conditions
Evidence and supply boundary
Exact model, interfaces, materials, coolant compatibility, operating conditions, tests, documentation, quantity and supply scope require configuration-specific review. No stock, certification or performance is implied by this draft.
