American Standard Valve
Transformers are designed with American standard valves for sampling, filling, or draining transformer oil from the oil tank of oil immersed transformers. The valve has two configurations: with oil sampling valve and without sampling valve. The valve body is made of stainless steel material, with a compact design, easy operation, and reliable sealing performance.
1. The arrow direction should point towards the direction of transformer oil discharge.
2. Environmental requirements: -45 ℃～+70 ℃; Work environment requirements:- 45℃～+110℃.
3. Can withstand a pressure of 0.4MPA without leakage within 20 minutes.
4. Pressure rating: 300 lb. WOG.
5. Turning the handwheel to the right closes the valve, while turning it to the left opens it.
Dimension of American standard valve
Dimension of American standard valve (with oil sampling valve)
Dimension of American standard valve (with oil sampling valve) (With protective cover)
The product provides a variety of color options, specifically described as follows:
| Color card No | Color | Optionality of choice |
| RAL7038 | Agate grey | Default |
| RAL7042 | A Traffic grey A | Optional |
| RAL7035 | Light grey | Optional |
Torque Reference Table
| Number | Assembly position | Thread specification | Recommended torque | Assembly tool specifications | Notes | |
| 1 | Axis | Tr15×3 | 18～22 Nm | Suggest manual installation | ||
| 2 | One inch plug | NPT1-11.5 | ≤10 Nm |  |
22mm | |
| 3 | Flange installation hole | M12 bolt | 35～40Nm |  |
19mm | |
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