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Product Details:
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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 |
Contact Person: Mr. Max