Needle Valve Manifold Block and Bleed MVBB, 20DBNV, Wellhead Gauge & Bleed/Vent Valves Pressure to 30,000 psi (2070 bar)
針形閥組和切斷和排放MVBB、20DBNV、井口儀表和排放/排氣閥, 壓力達到30000 psi（2070bar）

Parker Autoclave Engineers 20DBNV系列是一個三閥阻塞和排放緊湊型系統，設計用于阻塞、排放和校準儀表系統。該閥門為非旋轉上升閥桿設計，額定值為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系列雙切斷和泄放針閥是一種三系統歧管閥，提供了一種經濟、方便的阻塞、泄放和校準壓力變送器和壓力表的方法。該閥門采用標準閥門填料和閥桿設計，使其緊湊且易于使用。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.

這些閥門有一個上升閥桿桿體設計，工作壓力為20000磅/平方英寸（1379巴）。錐管和螺紋連接采用Parker Autoclave管，尺寸從1/4“到3/8”。使用特殊的石墨編織紗填料（GY），工作溫度可以從0°F到800°F（-17.8°C到427°C）。316不銹鋼結構是標準材料，有其他選擇。這些閥門具有許多特點，可在各種應用中提供可靠和無故障的服務。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.

市場:

- 石油和天然氣 Oil and Gas
- 石化 Petrochemical
- 化學品 Chemical

特點/優點:

- 20DBNV系列閥門設計在小包裝中提供大閥門性能。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".
- 明桿/桿體設計 Rising stem/bar stock body design.
- 金屬對金屬閥座實現了氣密關閉，在磨料流中延長閥桿/閥座的使用壽命，在重復的開/關循環中具有更高的耐用性和優異的耐腐蝕性。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閥桿和閥體密封 PTFE encapsulated packing provides dependable stem and body sealing.
- 選擇閥桿和填料壓蓋設計，以延長螺紋循環壽命和降低手柄扭矩Stem and packing gland design have been selected to achieve extended thread cycle life and reduced handle torque.
- 溫度從-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

產品資料下載

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