GANEY · 广东正力 · Ronggui, Shunde / Foshan
Keep the exact series and lubrication method on the offer
Guangdong Zhengli Precision Machinery develops, manufactures and sells compressor equipment. Its company profile dates the Guangdong identity to 1999; the timeline separately records earlier single-screw technology activity and the change from the Shunde company name.
The published history records joining Kaishan Group in 2013 as a South China base. Identify the contracting company, actual manufacturer and assembly/inspection location for the offered machine rather than relying on a group name alone.
The three existing equipment pages here separate OG/SOGFD oil-injected single screw, OXW oil-free scroll and POGWFD water-lubricated single screw. They require different performance, quality and service documents.
SOGFD · Air-cooled single screw
Read the group label and the pressure-specific designation together
OGSingle screw
FAir cooling
DLow-noise enclosure
The manufacturer offers variable-speed configurations to request. Define the offered drive and control range; it is not established by the enclosure label alone.
SOGFD22 is the 22 kW group in the original specification graphic. Its common physical entry is G1, 550 kg and 1,450 × 700 × 1,100 mm.
| Full designation | Discharge pressure | Listed delivery |
|---|---|---|
| OGFD-3.8/7 | 0.7 MPa · 7 bar | 3.8 m³/min |
| OGFD-3.4/8 | 0.8 MPa · 8 bar | 3.4 m³/min |
| OGFD-3.1/10 | 1.0 MPa · 10 bar | 3.1 m³/min |
| OGFD-2.8/12.5 | 1.25 MPa · 12.5 bar | 2.8 m³/min |
A separate 37 kW comparison
SOGFD37 lists 6.4, 6.1, 5.3 and 4.7 m³/min at 0.7, 0.8, 1.0 and 1.25 MPa respectively. Its physical entry is G1¼, 800 kg and 1,675 × 820 × 1,230 mm. Obtain the offered reference conditions, complete-package input and selected drawing.
Electrical version
The page's reference is 380 V, three phase/four wire, 50 Hz. Define the export supply, starter/drive, protection and controls with the actual configuration.
Air quality & treatment
The source describes outlet air up to 15°C above ambient and oil content up to 3 ppm. Confirm applicable performance documents and set quality at the users; itemize receiver, drying, filters and drainage.
OXW · Scroll route and lubrication
A scroll mechanism alone does not mean oil-free air
Oil-free scroll selection
The current no-oil page shows OXW15 but does not supply a model-specific pressure/flow/power matrix. Request the actual duty sheet. Do not infer motor power from the digits or borrow ratings from an ordinary OX scroll product.
Why the distinction matters
The adjacent ordinary-scroll page discusses an oil-content limit and replacement of filters and oil. The catalog also contains medium-pressure and micro-oil scroll equipment. Keep series and lubrication on the comparison, maintenance plan and air-quality documents.
OXW no-oil route and enquiry requirements →For process air, state pressure, normal/peak demand, running cycle, supply and acoustic constraints. Define oil, particle and moisture limits at the users and the actual dryer/filter arrangement. Historical manufacturer certification claims do not establish a current certificate covering every pictured unit.
POGWFD · Water-lubricated single screw
Define the water system as part of the compressor offer
The current POGWFD37 page describes one screw with two opposed, perpendicular star wheels forming two compression chambers. It identifies water spray for cooling and sealing, a seal arrangement between the compression chamber and bearings, and stainless-steel airend materials.
Those are manufacturer-described construction features. Obtain the selected delivery at pressure, package input and reference conditions; the current page does not provide a readable numerical model matrix.
POGWFD configuration and water-system requirements →
Attach four water-route questions
- Performance: what is the offered model's delivery and input at the required pressure and site conditions?
- Utilities: what cooling and water-system conditions and connections are required?
- Operation: what make-up water quality, drainage and maintenance procedures does the selected manual require?
- Process acceptance: which model-specific quality/test documents apply, and what treatment and storage are included?
Manufacturing · Order records
Translate described manufacturing capabilities into acceptance requirements
Precision machining
The technology page describes internal machining with automatic vertical machining equipment. Agree selected assembly site and relevant component inspection records.
Dimensional measurement
The manufacturer identifies a Zeiss coordinate-measurement system. Request applicable calibration and inspection scope; dimensional measurement is different from pressure/flow performance testing.
Sheet metal and finishing
The page describes laser cutting, bending, punching and powder coating. The timeline records a sheet-metal workshop milestone in 2015.
Final assembly and performance
The timeline records a final-assembly workshop milestone in 2014. Request serial identification, agreed performance/inspection records, reference conditions and complete-package input for the actual order.
Send an architecture-specific brief
Full series, lubrication and drive; pressure and demand profile; supply, cooling and site conditions; access and maintenance space; final user air quality and treatment/storage list.
Request the approved drawing, performance and applicable quality documents, actual manual and consumables, commissioning responsibilities and destination support. Identify the contracting company and production/inspection location.
Send a GANEY series and duty brief →GANEY selection questions
Does SOGFD22 deliver 3.8 m³/min at 12.5 bar?
The 3.8 entry belongs to 0.7 MPa. The 1.25 MPa row is OGFD-2.8/12.5 with 2.8 m³/min. Retain pressure and full designation on the offer.
Are all OX and scroll machines oil-free?
The catalog contains lubricated and micro-oil equipment as well as the current OXW no-oil route. Define the actual series and lubrication method; do not substitute another scroll product's ratings.
Can I read OXW15 as a guaranteed 15 kW specification?
The current page does not supply a numerical model matrix. Request the selected datasheet and duty; a model's digits are not sufficient evidence of motor power.
Does water lubrication remove the need for water management?
Obtain the selected water-system and cooling requirements, make-up water quality, drainage and maintenance procedures from the actual manual.
Does standards drafting certify every compressor?
The exact company is listed as a drafting organization for an oil-injected single-screw standard. That is technical-history evidence; selected model certification and acceptance need their own applicable records.