Needle Valve Manifold Block and Bleed MVBB, 20DBNV, Wellhead Gauge & Bleed/Vent Valves Pressure to 30,000 psi (2070 bar)
针形阀组和切断和排放MVBB、20DBNV、井口仪表和排放/排气阀, 压力达到30000 psi（2070bar）

Parker Autoclave Engineers 20DBNV系列是一个三阀阻塞和排放紧凑型系统，设计用于阻塞、排放和校准仪表系统。该阀门为非旋转上升阀杆设计，额定值为20000 psi（1379bar）。Parker Autoclave’s 20DBNV Series is a three valve block and bleed compact system that is designed for blocking, bleeding, and calibration of instrumentation systems. This valve is a non-rotating rising stem design, rated to 20,000 psi (1379 bar).

Needle Valve Manifold Block and Bleed MVBB, 20DBNV, Wellhead Gauge & Bleed/Vent Valves
Pressure to 30,000 psi (2070 bar) PDF Catalog

Parker Autoclave Engineers 20DBNV系列双切断和泄放针阀是一种三系统歧管阀，提供了一种经济、方便的阻塞、泄放和校准压力变送器和压力表的方法。该阀门采用标准阀门填料和阀杆设计，使其紧凑且易于使用。Parker Autoclave's 20DBNV Series double block and bleed needle valves are a three system manifold valve providing an economical and convenient method of blocking, bleed?ing and calibrating pressure transmitters and gauges. The valve utilizes standard valve packing and stem design making it compact and easy to use.

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.

市场:

- 石油和天然气 Oil and Gas
- 石化 Petrochemical
- 化学品 Chemical

特点/优点:

- 20DBNV系列阀门设计在小包装中提供大阀门性能。20DBNV Series valve design provides large valve performance in a small package.
- 管道尺寸：1/4“至1”。Tubing sizes: 1/4" to 1".
- 明杆/杆体设计 Rising stem/bar stock body design.
- 金属对金属阀座实现了气密关闭，在磨料流中延长阀杆/阀座的使用寿命，在重复的开/关循环中具有更高的耐用性和优异的耐腐蚀性。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.
- 聚四氟乙烯密封填料提供可靠的阀杆和阀体密封 PTFE encapsulated packing provides dependable stem and body sealing.
- 选择阀杆和填料压盖设计，以延长螺纹循环寿命和降低手柄扭矩Stem and packing gland design have been selected to achieve extended thread cycle life and reduced handle torque.
- 温度从-100°F（-73°C）到600°F（316°C）Temperatures from -100°F (-73°C) to 600°F (316°C)

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:
- 20DBNV Series valve design provides large valve performance in a small package.
- Tubing sizes: 1/4" to 1".
- 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.
- Temperatures from -100°F (-73°C) to 600°F (316°C)

Applications:

- Calibrating Transmitters
- Gauge Testing
- Pressure Monitoring and Test
- Chemical Injection

产品资料下载

ACS
ARTICLE-IntraFlow-HMI article
Process Control Blogs

LITERATURE AND REFERENCE MATERIALS
FB Series Bellows Valve
20DBNV Series Needle Valve
ARTICLE-IntraFlow-HMI article
Ball Valve-70 Series Actuator Maintenance Instructions - MI-120
Ball Valve-80 Series Actuator Maintenance Instructions - MI-121
Cat 4190/VFT

TRAINING
Ball Valve-70 Series Actuator Maintenance Instructions - MI-120
Ball Valve-80 Series Actuator Maintenance Instructions - MI-121
Cat 4190/VFT

CONTACT & SUPPORT INFORMATION
Ball Valve-70 Series Actuator Maintenance Instructions - MI-120
Ball Valve-80 Series Actuator Maintenance Instructions - MI-121
Cat 4190/VFT

PRODUCT DEMOS & TUTORIALS
Ball Valve-70 Series Actuator Maintenance Instructions - MI-120
Ball Valve-80 Series Actuator Maintenance Instructions - MI-121
SELECTOR GUIDES
Cat 4190/VFT

COMPLIANCE, CERTIFICATIONS, & SAFETY
Ball Valve-70 Series Actuator Maintenance Instructions - MI-120
Ball Valve-80 Series Actuator Maintenance Instructions - MI-121
Cat 4190/VFT