F-ZSQP Piston Type Cut-off Valve
F-ZSQP Piston Type Cut-off Valve
The Piston Type Cut-off Valve uses a precision piston actuator for accurate flow isolation and stable pressure control, ensuring zero leakage under high temperature and pressure, proven by API 598 and ISO 10497 test standards.
| Size Range | DN15–DN300 (½”–12″) |
| Working Pressure Range: | PN16–PN40 / ANSI 150–300LB |
| Working Temperature Range: | –20°C to +400°C |
| Body Material: | WCB / CF8 / CF8M / WC6 / WC9 |
| Connection Type: | Flanged (RF / FF / RTJ) |
| Applicable Medium: | Steam, Water, Air, Oil, Corrosive Fluids |
| نوع المشغل: | Pneumatic Piston Actuator |
| خيارات الجهد الكهربائي | 24V DC / 110V AC / 220V AC |
| معايير التصميم | GB/T 12224 / ANSI B16.34 / IEC 60534 |
| معيار الاختبار | API 598 / EN 12266-1 / GB/T 13927 |
| تصميم مقاوم للحريق | API 607 / ISO 10497 |
| الشهادة | CE / RoHS / ISO 9001 / IP65 (المشغل) |
| التخصيص | ما ورد أعلاه عبارة عن أمثلة للمعلمات القياسية. إذا كانت لديك معلمات ومواد محددة، فيمكننا تخصيصها جميعًا. |
| Series | AT | AW | Linear | Pneumatic Cylinder | الصحية |
|---|---|---|---|---|---|
| جسم الصمام | Ball valve, butterfly valve, plug valve | Gate valve, Global valve | Knife gate valve | Sanitary butterfly valve | |
| الوظيفة | Double Acting, Single Acting (Failure Resetting FO or FC) | ||||
| ملحقات التحكم |
• Solenoid Valve, Filter Regulator Lubricator (F.R.L.), Positioner, Limit Switch, Handwheel • Solenoid Valve & Positioner are with Explosion-proof grade and Signal Feedback type for choice | ||||
| Operating Medium |
Clean and dry or lubricated air or inert gas. Any non-corrosive gas that is compatible with the internal parts of the actuator and the lubricant. The dew point temperature of the operating medium is -20°C, and the size of impurity particles is no more than 30u. When selecting a positioner, the impurity particle size should be no more than 5u. | ||||
| Air Source Pressure | 3bar to 8bar | ||||
| Operating Environment Temperature |
• Standard type: -20°C to +80°C • Low-temperature type: -40°C to +80°C • High-temperature type: -20°C to +160°C | ||||
| Lubrication |
Under normal operating conditions, the standard type does not require additional lubricant. For low-temperature or high-temperature environments, special lubricants are required. | ||||
جودة معتمدة لتطبيقات الصمامات الصناعية
صُممت صمامات ومشغلات كهربائية «فلييندا» لتوفير أداء مستقر، وتشغيل موثوق، واستخدام صناعي طويل الأمد. وبفضل الدعم المعتمد في مجال الجودة، فهي مناسبة لمعالجة المياه، والمعالجة الكيميائية، والأتمتة، وأنظمة التحكم في العمليات الصناعية.
الأسئلة الشائعة التي تهم مستخدمي طراز 80%
1. What makes the Piston Type Cut-off Valve more reliable than conventional shut-off valves in process control systems?
• The pneumatic piston shut-off valve ensures tight sealing and fast response under fluctuating pressure.
• Its linear motion design provides precise positioning and stable flow isolation.
• The PTFE-seated piston valve minimizes leakage and extends maintenance cycles.
• Suitable for oil, gas, steam, and chemical systems under high pressure and temperature.
2. How can I choose the right size and pressure rating for a Piston Actuated Control Valve in industrial pipelines?
• Determine maximum flow rate and differential pressure before sizing the industrial piston valve.
• Match the pressure class (PN16–PN40 / ANSI 150–300) to operating conditions.
• Select actuator and trim combinations that ensure accurate flow control without vibration.
• Use a modulating piston valve with high turndown ratio for variable load systems.
3. What maintenance practices improve the service life of a Pneumatic Piston Shut-off Valve in high-temperature or corrosive media?
• Choose corrosion-resistant materials such as stainless steel or alloy steel piston valves.
• Inspect seats and seals regularly to maintain zero-leak performance.
• Lubricate actuator parts and test pneumatic control response periodically.
• Replace worn piston guides or gaskets to ensure long-term sealing integrity.
4. Can the Piston Operated Shut-off Valve be integrated with automated plant control systems?
• Compatible with smart positioners and feedback for DCS or PLC integration.
• The pneumatic actuator valve supports fail-open or fail-close configurations.
• Enables predictive maintenance through digital control interfaces.
• Easily connects to automation pipelines using standard signal ranges.