Resilient-seated ball valves featuring Memoryseal seating technology, low emissions packing chambers, and other value-added technical features for superior performance.
Features and benefits
• Exclusive Memoryseal™ seats compensate automatically for wear and fluctuations of pressure and temperature.
• Multiple solid cup and cone type PTFE stem sealor graphite packing.
• Two-piece self-aligning packing flange and gland.
• Stem guides in cover and gland bushing eliminate side thrust.
• Longer cycle life.
• Lower, uniform torque.
• Blowout-proof stem.
• Live-loaded thrust washer prevents galling and provides a secondary stem seal.
• Meets ASME B16.5, B16.10 and B16.34, API 608, API 598, API 607 Rev. 5/ISO 10497.
• Fully-enclosed spiral wound graphite filled stainless body gasket.
• Permits in-line access for seat replacement.
• ASME Section 8 cover/body flange connectionand bolting provide high sealing integrity of body gasket.
• Body-cover joint not affected by pipe stresses.
• Wall thickness complies with ASME B16.34.
• Can be welded into line without disassembly in accordance with Velan installation instructions.
• Stainless steel trim on all valves including handle.
• Oval handles with locking device, as well as extensions available.
• Ball-to-stem only (NPS 2/DN 50) full port and larger) and stem-to-body static grounding.
• Locking devices standard.
• Tapping for mounting actuators standard.
• AGA and CGA approved, regular port, threaded ends (optional) NPS 1/2 - 2 (DN 15 - 50).
• Valves can meet NACE specifications for sour gas service when required.
• Optional topworks: live-loaded single or double packing; TA-Luft certified when supplied with PTFE live-loading packing; and bellows seal design.
• Fire tested in accordance with API 607 Rev. 5/ISO 10497.
| Velan, Inc. | |
|---|---|
| Product Category | Industrial Valves |
| Product Name | Top-entry Ball Valves |
| Valve Type | Ball; Butterfly |
