QINGDAO GREAT MARINE MACHINERY CO,.LTD
| Supply Ability | 10000pcs per week |
| Delivery Time | Stock |
| Payment Terms | L/C, D/A, D/P, T/T, Western Union |
| Packaging Details | plywood |
| Model Number | DN15-DN65 |
| Certification | ABS/BV/DNV/CCS/LR/KR |
| Place of Origin | QINGDAO CHINA |
| Brand Name | OEM/GMV |
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Product Specification
| Supply Ability | 10000pcs per week | Delivery Time | Stock |
| Payment Terms | L/C, D/A, D/P, T/T, Western Union | Packaging Details | plywood |
| Model Number | DN15-DN65 | Certification | ABS/BV/DNV/CCS/LR/KR |
| Place of Origin | QINGDAO CHINA | Brand Name | OEM/GMV |
MARINE FIRE HOSE COUPLING COMPARISON IMPA 330854 IMPA 330855 IMPA 330856 IMPA 330857 IMPA 330858 IMPA 330875 IMPA 330876 IMPA 330851 IMPA 330852 IMPA 330853
(Machino / Storz / Nakajima) Suitable for quotation sheet, inquiry list and BOM
| Item | MACHINO Coupling | STORZ Coupling | NAKAJIMA Coupling |
|---|---|---|---|
| English Name | Machino type coupling | Storz coupling | Nakajima type coupling |
| Standard | JIS B9911 | DIN 14307 | JIS F7335 |
| Gender Feature | Male & female must be matched | Unisex, same size inter‑connectable | Unisex, lock by 90° rotation |
| Locking Method | Axial push‑in engagement | Two‑lug quarter‑turn lock | Lug‑type 90° twist lock |
| Typical Vessel Application | Japanese & Korean vessels, domestic Japanese‑style ships | European vessels, international ocean‑going ships | Old JIS standard vessels, partial Korean ships |
| Common Material | Brass / Aluminum Alloy | Brass / Aluminum Alloy | Brass / Aluminum Alloy |
| Working Pressure | 1.6 MPa | 1.6 MPa | 1.6 MPa |
| Test Pressure | 2.4 MPa | 2.4 MPa | 2.4 MPa |
| Interchangeability | Cannot connect directly among three types, adapter required | Cannot connect directly among three types, adapter required | Cannot connect directly among three types, adapter required |
| DN | Inch | IMPA No. |
|---|---|---|
| DN25 | 1" | IMPA 330854 |
| DN40 | 1‑1/2" | IMPA 330855 |
| DN50 | 2" | IMPA 330856 |
| DN65 | 2‑1/2" | IMPA 330857 |
| DN75 | 3" | IMPA 330858 |
| Model Code | DN | Inch | IMPA No. |
|---|---|---|---|
| Storz‑52C | DN50 | 2" | IMPA 330875 |
| Storz‑75B | DN65 | 2‑1/2" | IMPA 330876 |
| DN | Inch | IMPA No. |
|---|---|---|
| DN40 | 1‑1/2" | IMPA 330851 |
| DN50 | 2" | IMPA 330852 |
| DN65 | 2‑1/2" | IMPA 330853 |
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2015
Employee Number:
10~50
Ecer Certification：
Site Member
QINGDAO GREAT MARINE MACHINERY CO,.LTD is professional manufacturer and exporter of all kinds of marine valves, air vent heads and piping accessories. All of our products are releated to Marine(ship,Vessel),We Focus on marine products more than 10 years. Main products as follow: JIS Marine Val... QINGDAO GREAT MARINE MACHINERY CO,.LTD is professional manufacturer and exporter of all kinds of marine valves, air vent heads and piping accessories. All of our products are releated to Marine(ship,Vessel),We Focus on marine products more than 10 years. Main products as follow: JIS Marine Val...
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