Needle Valve,Mini Block and Bleed MVBB Series - 20,000 PSI
MVBB Series系列针阀，微型截止阀和放气阀

Parker Autoclave MVBB系列是一种小型断流阀，用于仪表系统的断流、放气和校准。该阀门为旋转上升阀杆设计，额定压力为20000 psi（1379bra）。Parker Autoclave’s MVBB Series is a mini block and bleed valve that is designed for blocking, bleeding, and calibration of instrumentation systems. This valve is a rotating rising stem design, rated to 20,000 psi (1379 bar).

Needle Valve,Mini Block and Bleed MVBB Series - 20,000 PSI
MVBB Series系列针阀，微型截止阀和放气阀

Parker Autoclave MVBB系列微型切断和放气针形阀是一种两杆式歧管阀，提供了一种经济方便的切断、放气和校准压力变送器和压力表的方法。该阀门采用微型阀门填料和阀杆设计，使其紧凑且易于使用。为了安全操作，阀门可以安装在表面或面板上。此外，歧管式阀门减少了安装所需的配件数量和空间。Parker Autoclave's MVBB Series mini block and bleed needle valves are a two stem manifold valve providing an economical and convenient method of blocking, bleeding and calibrating pressure transmitters and gauges. The valve utilizes the mini valve packing and stem design making it compact and easy to use. The valve can be surface or panel mounted for safe operation. In addition, manifold style valves reduce the number of fittings and space required for installation.

这些阀门有一个上升阀杆杆体设计，工作压力为20000磅/平方英寸（1379巴）。锥管和螺纹连接采用Parker Autoclave管，尺寸从1/4“到3/8”。使用特殊的石墨编织纱填料（GY），工作温度可以从0°F到800°F（-17.8°C到427°C）。316不锈钢结构是标准材料，有其他选择。这些阀门具有许多特点，可在各种应用中提供可靠和无故障的服务。These valves have a rising stem bar stock body design with working pressures to 20,000 psi (1379 bar). The cone and thread connections utilize Parker Autoclave tubing with sizes from 1/4" to 3/8”". Operating temperatures can go from 0°F to 800°F (-17.8°C to 427°C) with special graphite braided yarn packing (GY). 316 stainless steel construction is the standard material with other options available. Along with their many features these valves provide dependable and trouble free service in wide variety of applications.

Markets:

- Oil and Gas
- Petrochemical
- Chemical

Features/Benefits:

- MVBB Series valve design provides large valve performance in a small package
- Tubing sizes: 1/4" and 3/8"
- Rising stem/bar stock body design.
- Metal-to-metal seating achieves bubble-tight shut-off, longer stem/seat life in abrasive flow, greater durability for repeated on/off cycles and excellent corrosion resistance.
- PTFE encapsulated packing provides dependable stem and body sealing.
- Stem and packing gland design have been selected to achieve extended thread cycle life and reduced handle torque.

Applications:

- Calibrating Transmitters
- Gauge Testing
- High Pressure Fluid handling