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这种高压降角截止阀功能提供*的施工质量和使用寿命长，800类的ANSI。除了连续排污服务，高压降汉考克阀门也用在给水旁路救济，取样系统，排水渠及其他服务的地方水土流失极为严重。
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"
