TEKO Industry Co., Limited
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Class 2500 Welded Bonnet Piston Check Forged Steel Valve With Socket Weld End
Overview
TEKO Forged Steel Swing/Piston check valves are ideal for downstream applications and critical power-industry applications. The welded bonnet joint eliminates the body-bonnet flanges, reducing weight and simplifying the application of exterior insulation. The welded bonnet ensures containment of the high-pressure applications experienced within the power industry. This, in concert with the forged-steel body, provides the highest-integrity sealing available
Specifications
| Size | 1/2" to 2"(DN15 to50) |
| Class | 800Lb to 1500Lb |
| Design | API602 |
| End | Threaded, Weld |
| Material | A105, LF2, Alloy |
Material List:
| NO. | Part Name | CStoASTM | AStoASTM | SStoASTM | |
| A105 | F22 | F304(L) | F316(L) | ||
| 1 | Body | A105 | A182F22 | A182F304(L) | A182F316(L) |
| 2 | Disc | A276420 | A276304 | A276304(L) | A276316(L) |
| 3 | Gasket | 316+Graphite | 316+PTFE | ||
| 4 | Bonnet | A105 | A182F22 | A182F304(L) | A193 B8(M) |
| 5 | Nameplate | SS | |||
| 6 | Bolt | A193B7 | A193B16 | A193B8(M) | A193B8(M) |
| 7 | Ball | A182F304 | A182F304 | A182F304 | A182F304 |
| Suitable Medium | W.O.G.etc | W.O.G.etc | HNO3,CH3OOH etc | ||
| Suitable Temperature | -29~425 | -29~550 | -29~180 | ||
Dimensions
| NPS | R.B. | 3/8” | 1/2” | 3/4” | 1” | 11/4” | 11/2” | 2” | |
| F.B. | 3/8” | 1/2” | 3/4” | 1” | 11/4” | 11/2” | 2” | ||
| A | 92 | 111 | 111 | 120 | 152 | 172 | 200 | 220 | |
| G | 65 | 79 | 79 | 97 | 104 | 120 | 139 | 215 | |
| Weight | Bolted Bonnet | 1.6 | 3.4 | 3.3 | 5.5 | 6 | 9.2 | 12.9 | 16.2 |
| Welded Bonnet | 1.3 | 3.2 | 3.1 | 4.8 | 5.4 | 8.5 | 11.2 | 14.3 | |