12" 300# Gate Valve QTY 3
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YDF GA3R-G-CF8M-12 12 in. Class 300 CF8M Gear-Operated Gate Valves — 3-Unit Lot
Description
This offering comprises three matching YDF GA3R-G-CF8M-12 gate valves for heavy industrial isolation service. The manufacturer identifies the GA series as cast-steel gate valves designed to API 600 and ASME B16.34, tested to API 598, and available with raised-face flanges and gear operation.
The physical nameplates confirm the 12 in. Class 300 configuration, CF8M body and disc, F316 stem, HF seat, and the marked 49.6 bar at 38 °C maximum operating pressure. The valves have bolted bonnets, outside-screw-and-yoke/rising-stem construction, and manual gear operators. Their flange faces, bore openings, bolted bonnets, stem/yoke assemblies, and gear operators are visible in the supplied photos.
Listing Summary
Available as one lot of three YDF GA3R-G-CF8M-12 stainless-steel gate valves. These are 12 in., ASME Class 300, raised-face flanged isolation valves with externally mounted manual gear operators. Each valve is individually palletized and carries a readable YDF nameplate dated February 2020.
| Field | Verified detail |
| Manufacturer | Jiangsu YDF Valve Co., Ltd. (YDF) |
| Quantity | 3 valves, offered as one lot |
| Model / figure number | GA3R-G-CF8M-12 |
| Valve type | Bolted-bonnet, gear-operated gate valve |
| Nominal size | 12 in. |
| Pressure class | ASME Class 300 |
| End connections | Raised-face (RF) flanged ends |
| Body / disc | CF8M stainless steel, as marked on the nameplates |
| Stem | F316 stainless steel, as marked on the nameplates |
| Seat | HF, as marked on the nameplates |
| Pressure-temperature marking | 49.6 bar at 38 °C (approximately 719 psi at 100 °F) |
| Marked temperature range | -29 °C to 538 °C |
| Design marking | API 600 / ASME B16.34 |
| Manufacture date | 02/2020 |
| Included serial numbers | YDF20010101; YDF20010103; YDF20010104 |