Design characteristics of internal threaded gate valves
Name: Small size gate valve, aluminum bronze gate valve.
Design: API 602.
Material: ASTM B148 C95500.
Nominal size: 1/2 Inch-2inch.
Nominal class: 800 LB.
Connection ends: NPT.
Face to face: manufacture standard = 79mm.
Test and inspection: API 598.
Technical parameters and characteristics
| Product | Small size gate valve |
| Nominal diameter | 1/4" - 4" |
| Design temp. | -29℃ - 260℃ |
| Design pressure | Class 150 - 900, PN10 - PN160. |
| Material | ASTM B148 C95400, C95500, C95800 ASTM B150 C63000, C63200. |
| Design standard | API 602, BS5352 |
| Face to face | Manufacture standard, ASME B16.10 |
| Connection end | NPT, Flange |
| Test standard | API 598, ISO 5208 |
| Operation | Hand wheel, electric |
| Application | for sea water, offshore and marine. |
| Function 1 | Bolted bonnet |
| Function 2 | solid wedge |
| Function 3 | Full bore, reduce bore |
| Function 4 | Integral flanged ends, F-NPT ends |








