Q641H, Q641Y气动高温球阀
The Q641H/Y pneumatic high-temperature ball valve consists of a metal hard-seal ball valve and a piston-type pneumatic actuator. The sealing surface uses a metal hard-seal valve seat, suitable for media with a temperature ≤500°C. The pneumatic high-temperature ball valve can be equipped with a valve positioner to input control signals (4-20mA DC or 1-5V DC) and a pneumatic power source for operation. It can also be equipped with a travel limit switch, 电磁阀, pressure reducing valve, and a 0.4～0.7MPa pneumatic power source to achieve on/off operation, and sends out two pairs of passive contact signals to indicate the valve’s opening and closing. The pneumatic high-temperature ball valve as a whole has advantages such as compact structure, 小型, 运行可靠, 密封性能好, 维护方便, 安装方便, and strong adaptability.Especially suitable for applications involving viscous, 颗粒物, 或纤维介质. Pneumatic high-temperature ball valves are widely used in industrial automatic control systems in petroleum, 化学, 教育设备, 轻工业, 高压设备, 制药, and papermaking industries for remote centralized or local control.
产品名称: Pneumatic High-Temperature Ball Valve
产品型号: Q641H/Y
公称直径: DN15～DN300
结构: 球形
公称压力: 1.6Mpa～16.0Mpa
连接方式: 法兰, 晶圆, 内螺纹, Welding
适用温度: ≤550℃
驱动方式: 气动 (可手动操作)
阀体材质: 铸钢, 不锈钢
制造标准: 国标 (中国国家标准), 从 (德国标准), 应用程序编程接口 (美国标准), 美国国家标准协会 (美国标准)
适用媒体: 水, 油, 气体, 液体
制造商:浙江科三阀门有限公司, 有限公司.
Main Technical Parameters and Performance
公称直径DN (毫米): 15～300
Actuator Model: GT, 在, AW series single/double-acting pneumatic actuators
公称压力 (兆帕): PN1.6, 2.5, 4.0, 6.4; 10.0, 16.0, 兆帕
Supply Pressure: 0.4～0.7MPa
阀体类型: 两级铸造球阀
Air Source Interface: G1/4″, G1/8″, G3/8″, G1/2″
连接类型: 法兰式, 焊接式
Ambient Temperature: -30～+70℃
阀芯类型: “氧” 型式球阀芯
Actuation Type: 单作用执行机构, double-acting actuator
密封包装: Flexible graphite, spiral wound gasket
Optional Accessories: Positioner, 电磁阀, air filter regulator, position holding valve, 限位开关, 阀位变送器, 手轮机构, ETC.
流量特性: Approximately quick-opening type Utilizing a new type of pneumatic actuator, available in double-acting and single-acting (弹簧复位) versions, with gear and rack drive for safety and reliability; large-diameter valves employ the AW series pneumatic actuator with a fork-type drive, featuring a reasonable structure, high output force, and available in double-acting and single-acting versions.
1. Gear-type double piston design, high output torque, and compact size.
2. Cylinder made of aluminum alloy, lightweight and aesthetically pleasing.
3. Manual operating mechanisms can be installed at the top or bottom.
4. Rack-and-pinion connection allows for adjustment of opening angle and rated flow rate.
5. Actuators can be optionally equipped with electrical signal feedback indicators and accessories for automated operation.
6. ISO5211 standard connection facilitates product installation and replacement.
7. Adjustable screws at both ends allow for ±4° adjustment range between 0° and 90° for standard products, ensuring synchronization accuracy with the valve.
Operating range: 0～90°
Leakage Q: According to GB/T4213-92, 少于 0.01% 额定KV
Applicable temperature: PPL≤300℃, hard seal≤450℃
Basic error: With positioner: less than ±2% of full stroke
Dead zone: With positioner: 少于 2% of full stroke
可调范围: 250:1
Actuator configuration: GT, 在, AW系列单作用和双作用气动执行器
控制方式: Two-position switch control, 4-20毫安模拟控制
Q641H, Q641Y Pneumatic High Temperature Ball Valve Main Design Standards
设计与制造: GB12237-89, API608, API 6D, JPI 7S-48, BS5351, DIN3357
法兰尺寸: JB/T74～90, GB9112～9131, HGJ44～76, SH3406, ANSI B16.5, JIS B2212～2214, DIN2543
结构长度: GB12221-89, ANSI B16.10, 贺B2002, NF E29-305, DIN3202
Inspection and Testing: JB/T 9092, 应用程序编程接口 598, GB/T13927
主要构成材料
Q641H, Q641Y Pneumatic High Temperature Ball Valve Component Name Material Name
阀体: 世界CB 304(CF8), 316(CF8M), 316L(CF3M)
Ball: 2Cr13 + 氮化, 304 316 316L
Valve Stem: 2Cr13 304 316 316L
Sealing Ring: Reinforced PTFE (PPL), Para-Polystyrene, Stainless Steel Sealing Ring
适用媒体: 水, 气体, 蒸汽, 油, ETC。; Corrosive Media such as Nitric Acid; Corrosive Media such as Acetic Acid; Corrosive Media such as Urea
