Design Features:
1) 2-part rising stem with outside roll-formed thread; stem coupling with bellows anti-torque device and position indicator.
2) Full size safety gland packing made of pure graphite; can also be supplied in PTFE on request.
3) Metal back seat with stroke limiter in open position and bellows anti-vibration device.
4) Multipe wall, fully flushed stainless steel bellows, secured against torsion,designed for 8,000 cycles; fully welded.
5) Stainless steel grooved bonnet gasket coated by pure graphite, mounted in tongue and grooved bonnet flanges.
6) Swivel conical shaped plug or flat disc made of hardened chromium steel ANSI420 or reinforced with STL 6; body seat hard faced with S.S or STL 21.
Field of Application：
Size Range: DN15 and DN200
Temperature: （-）20℃ to 425℃
Allowable Operating Pressure:PN16、PN25、PN40
Globe Valves for use inpetrochemical industry, Chemical,Fiber Textiles, plastic, paper making, power industry, steel, rubber and gas systems.
Performance Specifications：
| Nomial Pressure | PN16 | PN25 | PN40 |
| Nomial Pressure | 1.6Mpa | 2.5Mpa | 4.0Mpa |
| Shell Test | 2.4Mpa | 3.8Mp | 6.0Mpa |
| Seal Test Water | 1.8Mpa | 2.8Mp | 4.4Mpa |
| Seal Test Air | 0.6Mpa | 0.6Mpa | 0.6Mpa |
| Working Temperature | -20℃ ~ 425℃ |
| Medium | W.O.G |
Technical Specification：
1. Design Standard DIN EN13709-2003
2. Face to Face Dimension DIN EN588-1:1995
3. End Flange Dimension DIN EN1092-1:2002
4. Test Standard DIN EN12266:2003
MATERIAL LIST
| Item No. | Part Name | Specification |
| 1 | Body | GG GS-C25 SS304 SS316 |
| 2 | Disc | C.C+13Cr SS304 SS316 |
| 3 | Pin | F304 F316 |
| 4 | Stem | C.C+13Cr SS304 SS316 |
| 5 | Bellows | F304 F316 |
| 6 | Bonnet | GG GS-C25 SS304 SS316 |
| 7 | Packing | Graphite, PTFE |
| 8 | Gland | 25#, F304, F316 |
| 9 | Cap | 25# |
| 10 | Gland | 13Cr, 304, 316 |
| 11 | Bolt | B7, B8, B8M |
| 12 | Nut | 2H, A194-8, 8M |
| 13 | Gasket | Graphite, PFFE |
