商品介紹VelanMemoryseal™ HB-2000 Resilient-Seated Ball Valve
Memoryseal™ HB-2000 Resilient-Seated Ball Valve
- Exclusive Memoryseal™ seats compensate automatically for wear and fluctuations in pressure and temperature.
- Multiple solid cup and cone type PTFE stem seal or graphite packing.
- Fire tested in accordance with API 607 Rev. 5/ISO 10497.
- Adjustable self locking threaded gland NPS 1/2 – 2 (DN 15–50).
- Stem guide in gland bushing prevents side thrust.
- Long cycle life.
- Low, uniform torques.
- Blowout-proof stem.
- Thrust washer prevents galling, reduces torque and provides secondary stem seal.
- One-piece heavy wall body for high structural strength to ASME B16.34.
- Full size packing chamber.
- Protective metal washer for packing rings.
- Stainless steel handle with safety clip. Oval handwheel also available.