這種高壓降角截止閥功能提供*的施工質量和使用壽命長，800類的ANSI。除了連續排污服務，高壓降漢考克閥門也用在給水旁路救濟，取樣系統，排水渠及其他服務的地方水土流失極為嚴重。
Series 5505 Continuous Blowdown Globe Valve
- Description
- Specifications
- Documentation
Advanced construction features of this high pressure drop angle globe valve provide quality and long service life, Class 800 ANSI. In addition to continuous blowdown service, the Hancock high pressure drop valve is also used on feedwater bypass relief, sampling systems, drains and other services where erosion is extremely severe.
Features & Benefits:
- Rated to ASME/ANSI 800 Limited Class for use in all applications requiring 800 Limited Class ratings or below.
- Available in 1" nominal pipe size with 1/8", 3/16", 1/4" or 5/16" orifice, depending on desired flow capacities.
- A micrometer dial position indicator allows fast, precise and repeatable settings.
- Socket weld end connections.
- Both disc and disc seat are hard faced with Stellite for erosion resistance.
- Seating surfaces are ground and lapped for tight shut off, eliminating double valving requirements.
- The integral stem disc is faced with Stellite, then ground and lapped for accurate, leak-free sealing.
- The disc is tapered for maximum controllability over the full stroke of the valve.
- Standard material is carbon steel (ASME SA 105) body with 13% chrome stainless steel trim.
- One-piece drop forged body.
- Graphite packing, complete with braided graphite filament yarn anti-extrusion rings, is standard.
- All Hancock 5505 series valves comply with ASME/ANSI B 16.34 and the ASME Boiler and Pressure Vessel Code, Section 1.
Type: 5505W Angle Body, Socket Weld to ASME B16.11
Size: 1"
