GB wedge gate valve
GB wedge gate valve
Nominal diameter: DN15 ~ 200mm
Nominal: PN1.6 ~ 16MPa
Working temperature: -29 ~ 350 ℃
steam, chemical, oil, and other plant: Medium
Operation: manual
Body material: carbon steel (Z40H-100-160 Z40Y-100-160), chromium molybdenum steel (Z40Y-100I ~ 160I), stainless steel (Z40W-100P ~ 160P)
GB wedge gate valve for the nominal pressure PN1.6 ~ 16MPa, operating temperature -29 ~ 350 ℃ of oil, chemical, pharmaceutical, fertilizer, power industry and other conditions on the pipeline, cut off or connected to the pipeline medium. The national standard corrugated pipe gate valve structure is reasonable, reliable sealing, excellent performance, beautiful shape; sealing surface welding Co-based carbide, wear, corrosion resistance, anti-friction performance, long life; Surface nitriding treatment, a good anti-corrosion and anti-friction properties; double seal, more reliable performance; stem lift position instructions more intuitive.
GB wedge gate valve structural features:
1, the product structure is reasonable, reliable, excellent performance, handsome in appearance;
2, sealing surface welding Co-based carbide, wear, corrosion resistance, anti-friction performance, long life;
3, stem quenched and tempered Nitriding, a good anti-corrosion and anti-friction performance;
4, double seal, the performance is more reliable;
5, stem lift position indicator, more intuitive;
6, parts and flange, butt weld size according to the actual work Conditions or user requirements reasonable matching, to meet the needs of various projects.
GB wedge gate valve test pressure:
| Nominal pressure (nominalPressure) | 1.6Mpa | 2.5Mpa | 4.0Mpa |
| Seal test (seal test) | 1.8Mpa | 2.8Mpa | 4.4Mpa |
| Shell strength | 2.4Mpa | 3.6Mpa | 6.0Mpa |
| Applicable temperature (suitable Temprature) | 300 ° C | ||
Part material:
| Part name | Body | Bonnet | Stem | Flap Disc | Sealing surface Sealiing | Packing |
| GS-C25 | GS-C25 | GS-C25 | 13r | 2Cr13 | 2Cr13 | Flexible Graphite GRAPHITE |
| STL | ||||||
| 304 | CF8 | CF8 | 304 | 304 | 304 | Flexible Graphite GRAPHITE PTFE |
| STL | ||||||
| 316 | CF8M | CF8M | 316 | 316 | 316 | Flexible Graphite GRAPHITE PTFE |
| STL | ||||||
| 304L | Cf3 | Cf3 | 316 | 304L | 304L | Flexible Graphite GRAPHITE PTFE |
| STL | ||||||
| 316L | CF3M | CF3M | 316 | 316L | 316L | Flexible Graphite GRAPHITE PTFE |
| STL |
Connection size:
| PN | DN | L | D | D1 | D2 | B | f | N-Φ | △ H (STRODE) |
| 1.6 | 15 | 130 | 95 | 65 | 45 | 14 | 2 | 4-14 | 20 |
| 20 | 150 | 105 | 75 | 55 | 14 | 2 | 4-14 | 25 | |
| 25 | 160 | 115 | 85 | 65 | 14 | 2 | 4-14 | 30 | |
| 32 | 180 | 135 | 100 | 78 | 16 | 2 | 4-18 | 35 | |
| 40 | 200 | 145 | 110 | 85 | 16 | 3 | 4-18 | 45 | |
| 50 | 250 | 160 | 125 | 100 | 16 | 3 | 4-18 | 55 | |
| 65 | 265 | 180 | 145 | 120 | 18 | 3 | 4-18 | 70 | |
| 80 | 280 | 195 | 160 | 135 | 20 | 3 | 8-18 | 85 | |
| 100 | 300 | 215 | 180 | 155 | 20 | 3 | 8-18 | 105 | |
| 125 | 325 | 245 | 210 | 185 | 22 | 3 | 8-18 | 130 | |
| 150 | 350 | 280 | 240 | 210 | 24 | 3 | 8-23 | 155 | |
| 200 | 400 | 335 | 295 | 265 | 26 | 3 | 12-23 | 205 | |
| 2.5 | 15 | 130 | 95 | 65 | 45 | 16 | 2 | 4-14 | 20 |
| 20 | 150 | 105 | 75 | 55 | 16 | 2 | 4-14 | 25 | |
| 25 | 160 | 115 | 85 | 65 | 16 | 2 | 4-14 | 30 | |
| 32 | 180 | 135 | 100 | 78 | 18 | 2 | 4-18 | 35 | |
| 40 | 200 | 145 | 110 | 85 | 18 | 3 | 4-18 | 45 | |
| 50 | 250 | 160 | 125 | 100 | 20 | 3 | 4-18 | 55 | |
| 65 | 265 | 180 | 145 | 120 | 22 | 3 | 8-18 | 70 | |
| 80 | 280 | 195 | 160 | 135 | 22 | 3 | 8-18 | 85 | |
| 100 | 300 | 230 | 190 | 160 | 24 | 3 | 8-23 | 105 | |
| 125 | 325 | 270 | 220 | 188 | 28 | 3 | 8-25 | 130 | |
| 150 | 350 | 300 | 250 | 218 | 30 | 3 | 8-25 | 155 | |
| 200 | 400 | 360 | 310 | 278 | 34 | 3 | 12-25 | 205 | |
| 4.0 | 15 | 130 | 95 | 65 | 45 | 16 | 2 | 4-14 | 20 |
| 20 | 150 | 105 | 75 | 55 | 16 | 2 | 4-14 | 25 | |
| 25 | 160 | 115 | 85 | 65 | 16 | 2 | 4-14 | 30 | |
| 32 | 180 | 135 | 100 | 78 | 18 | 2 | 4-18 | 35 | |
| 40 | 200 | 145 | 110 | 85 | 18 | 3 | 4-18 | 45 | |
| 50 | 250 | 160 | 125 | 100 | 20 | 3 | 4-18 | 55 | |
| 65 | 280 | 180 | 145 | 120 | 22 | 3 | 8-18 | 70 | |
| 80 | 310 | 195 | 160 | 135 | 22 | 3 | 8-18 | 85 | |
| 100 | 350 | 230 | 190 | 160 | 24 | 3 | 8-23 | 105 | |
| 125 | 400 | 270 | 220 | 188 | 28 | 3 | 8-25 | 130 | |
| 150 | 450 | 300 | 250 | 218 | 30 | 3 | 8-25 | 155 | |
| 200 | 550 | 375 | 320 | 282 | 38 | 3 | 12-30 | 205 |
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Add：Dong Ou Industrial Area,Yongjia County,Wenzhou,Zhejiang
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