Application Petroleum, chemical industry,pharmacy,fertilizer,power industry,etc. Advantage 1. Disc is coniform , reliable seal, longer use life. 2. Human engineering hand wheel-an enhanced design provides longer life, easy and convenient operation, more safety. 3. Steam Heat-treatment and surface nitriding-treatment to sure fuction-resistanced and friction-resistanced
Product Description
Related Products:Motorized Bellow Seal Globe Valve Features, Bellow Seal Valve for HVAC Systems, petroleum bellow seal valve
Technical specification
Design standard: DIN 3356
Face to face dimension: DIN 3202
Flanged ends: DIN 2543-2546
Test & inspection: DIN 3230
Performance specification
| Nominal Pressure | PN | ||
| Test Pressure | Strength test | 1.5PN | MPa |
| Sealing test | 1.1PN | ||
| Gas seal test | 0.6 | ||
| / | / | ||
| Suitable temp | -16℃~450℃ | ||
| NO. | Part name | Material |
| 1 | Body | GS-C25、1.4301、1.4401 |
| 2 | Seat | 1.4301、Stellite |
| 3 | Disc | 1.4021、1.4301+ Stellite |
| 4 | Cap | 1C45、1.4301、1.4401 |
| 5 | Stem | 1.4021、1.4301、1.4401 |
| 6 | Metal gasket | Stainless steel |
| 7 | Back seal | 1.4021、1.4301 |
| 8 | Packing | Flexible graphite |
| 9 | Nut | ASTM 194-2H、A194-8 |
| 10 | Double-headed bolt | ASTM 193-B7、A193-B8 |
| 11 | Cover | GS-C25、1.4301、1.4401 |
| 12 | Gland | GS-C25、1.4301 |
| 13 | Jack bolt | ASTM 193-B7、A193-B8 |
| 14 | Nut | ASTM 194-2H、A194-8 |
| 15 | Stem nut | Copper alloy、D2、BL2 |
| 16 | Hand wheel | Carbon steel |
| 17 | Nut | A194-2H、A194-8 |
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