Long Stroke Pneumatic Diaphragm Actuators with Durable Override Surface Material

 

 

^{The 1-X250 series linear stroke pneumatic diaphragm actuator showcases a remarkable single-spring structure. In comparison to the 1-X280 series, this model is meticulously engineered for precise long-stroke control, boasting an impressive maximum stroke of up to 250mm. When contrasted with traditional pneumatic piston actuators, this series provides superior regulation precision coupled with an exceptionally lightweight design. Additionally, it seamlessly adapts toutilization in cut-off applications. When integrated with pneumatic control valves, boosters, and quick exhaust valves, it guarantees ultra-fast cut-off times as brief as 1 second, enhancing operational efficiency like never before.}

 

 

Service Life

1. The diaphragm cover is crafted from high-quality stamped steel, its surface treated with a robust galvanized and painted coating. This ensures exceptional corrosion resistance, with the paint designed to be long-lasting and resistant to peeling. The actuator's bracket, made from either cast or forged steel, provides a strong and trustworthy structure.iaphragm cover is made of stamped steel with a galvanized and painted surface for corrosion resistance. The paint is designed to be durable and not easily peel off. The actuator bracket is made from cast or forged steel, ensuring a robust and reliable structure.

2. The diaphragm is skillfully constructed from neoprene rubber, which provides not only excellent resistance to aging and chemical corrosion but also maintains its form even under continuous stress, showcasing its superior durability.iaphragm is constructed from neoprene rubber, offering excellent resistance to aging, chemical corrosion, and maintaining its shape under continuous stress.

3. The pushrod, meticulously manufactured from AISI420 with a nickel-plated surface, offers exceptional smoothness and corrosion resistance, ensuring reliability and longevity.ush rod is made of AISI420 with a nickel-plated surface, providing high smoothness and corrosion resistance.

4. The guiding bushing is expertly crafted from aluminum bronze, providing excellent guidance and minimal deformation at low temperatures. This ensures that the air chamber maintains superb sealing quality.uide bushing is made from aluminum bronze, ensuring good guidance and minimal deformation at low temperatures, which maintains good air chamber sealing.

5. For the sealing, an A-type sealing ring is strategically positioned below the connection point of the push rod and bracket. This crucial addition effectively prevents the intrusion of oil, sand, or dirt, thereby preserving the integrity of the actuator.ealing, an A-type sealing ring is used below the connection point of the push rod and bracket to prevent oil, sand, or dirt from penetrating.

Application Flexibility

1. All direct-acting and reverse-acting parts demonstrate universal interchangeability, promoting effortless adaptation. to ensure interchangeability.

2. The spring installation position is adjustable according to the stroke, with an integrally cast aluminum tray offering two convenient installation positions: high and low. Meanwhile, 3, 4, or 6 springs can be configured to achieve different spring ranges, catering to a variety of application needs. to achieve different spring ranges.

3. Each actuator specification boasts a range of spring options, accommodating an extensive variety of valve sizes to ensure optimal performance.

4. With two types of handwheel mechanisms available-top-mounted and side-mounted-the side-mounted handwheel can be completely detached, significantly simplifying the installation process.

5. The actuator-to-valve connection utilizes a compression plate and sleeve structure, facilitating straightforward installation and hassle-free on-site replacement of packing.

1-X250 D63 SIDE HANDWHEEL


1-X250 Series overall dimensions & mass



Actuator Options

1. Adjustable Upper Stroke Limiter: Specifically designed to control the upward stroke of the actuator, ensuring precision and safety.

2. Adjustable Lower Stroke Limiter: Engineered to limit the downward stroke of the actuator, maintaining operational accuracy.

3. Top-Mounted Handwheel Mechanism

4. Side-Mounted Handwheel Mechanism

5. Low and High-Temperature Actuators: Tailored for optimal performance under specific environmental conditions, these actuators are designed to withstand extreme temperatures with ease.: Designed for specific environmental conditions.

6. Low-Temperature Actuators: Expertly crafted to excel in cold environments, ensuring consistent and reliable performance. Our product is expertly designed to adapt to challenging environments, proficiently handling temperature variations ranging from -60°C to 70°C, ensuring reliable performance in extreme conditions.

7. High-Temperature Actuators: Specifically engineered for higher demands, these actuators are adept for environments where temperatures span from -20°C to 100°C, ensuring robust operation under intense heat.

8. Actuator Locking Device: This advanced feature guarantees that the actuator remains securely in a locked position during any maintenance activities, aligning perfectly with the actuator's fail-safe configuration.

9. Remote Venting: For scenarios where natural gas or other hazardous gases are employed as the actuator's air source, our actuators are equipped with a sophisticated venting device in the housing to effectively prevent any hazardous gas accumulation.

10. Additional Control Circuit Accessories: Positioner, pressure regulator, solenoid valve, limit switch, locking valve, booster, and more; these accessories empower precise and responsive control for enhanced actuator functionality.

 









SNT Machinery (Qingdao) Co., Ltd is a distinguished leader in the realm of control valves, masterfully blending manufacturing, innovative design, customer-focused sales, and exceptional service into a seamless experience. Our journey began with a high starting point and rapid development, strategically located in Qingdao, Shandong province, sprawling over an impressive 42,000 square meters. This state-of-the-art facility is outfitted with modern workshops and cutting-edge production equipment. Recognized as a high-tech enterprise, we proudly hold independent intellectual property rights and have imported advanced management and production methodologies. With a dedicated team of over 150 professionals, 15% are specialized in R&D, while 30% possess graduate-level or higher degrees. Harnessing the power of a top-tier production management team and pioneering research and development, we proudly produce a vast array of top-quality valves extensively utilized in the petrochemical, oil, and coal chemical sectors. In 2017, our sales values soared to nearly 100 billion, testament to our unwavering commitment to excellence.

SNT stands at the pinnacle of manufacturing with esteemed certifications including the TS special equipment manufacturing certificate and ISO 9001. We have also proudly secured the net qualification certificate of industry giants such as SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our technological prowess is evidenced by numerous national patents. We possess the expertise to design and manufacture an extensive range of valves adhering to global standards such as ANSI, API, DIN, BS, and JIS. By amalgamating the superior qualities of renowned valves worldwide with our independent research capabilities, we manufacture an impressive array of valves including GLOBE, High Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, and Eccentric Rotary Valves, among others.
Our diverse valve offerings include T Three-eccentric Center Butterfly Valves, V Ball Valves, High Wear-resistant Ball Valves, High Pressure Steam Valves, Micro-flow Control Valves, Self-operated Control Valves, Cryogenic Valves, and more. Available driving forms encompass manual, power-driven, pneumatic, and hydraulic options. The primary components are crafted from high-quality materials such as A216WCB, A217 WC6/WC9, A351 CF8/CF8M/CF3/CF3M, etc. Specifications range from 1/2" to 120", with working pressures from ANSI 150# to 2500#, and operational temperature capabilities spanning -196ºC to 1100ºC.

Our valves, celebrated for their advanced production technology and robust quality assurance systems, are widely embraced across industries including petrochemical, oil, steel & iron, paper manufacturing, and power stations. Esteemed customers include SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, along with SINOPEC Changling branch, Jinan branch, and more.

At SNT, customer profitability is our foremost priority, driving us to build a reputation for exceptional quality and an impeccable brand. Our comprehensive quality assurance and after-sales systems ensure that SNT valves forge prosperous partnerships with every customer, leading to shared success and prosperity.