Basic Info.
Adjusted Form
Regulated Type
Working Type
Straight Trip
Work Temperature
Normal Temperature
Acting Type
Spring Return
Structures
Single-Spring Structure
Diaphragm Covermaterial
Stamped Steel
Override Surface Material
Galvanized and Painted
Actuator Bracket Material
From Cast or Forged Steel
Diaphragm Material
Neoprene Rubber
Push Rod
AISI420 with a Nickel-Plated Surface
Guide Bushing
Aluminum Bronze
Actions
Da(Diresct Action)/Ra(Reverse Action)
Size
D12 D25 D33 D39 D46 D63
Stroke
17 25 34 45 60 76 100 120 150 200
Supply
40psi(0.28MPa)/60psi(0.4MPa)
Action
D12 D25 D33 D39 D46 D63
Direct
200 222 409 580 828 1574
Reverse
180 192 370 519 748 1420
Transport Package
Foam and Carton Box
Product Description
About Pneumatic Diaphragm
The innovative 1-X280 series straight-stroke pneumatic diaphragm actuator is engineered with a cutting-edge multi-spring architecture. This remarkable design encompasses two dynamic forms: positive and negative action, allowing for seamless customization of the valve's fault position via the spring reset. Perfectly paired with the straight-stroke valve, it excels in the precise control and fine-tuning of process parameters, boasting an impressive maximum stroke of 76mm. As a high-performance pneumatic actuator, it dazzles with its lightweight construction, powerful thrust, and straightforward design, ensuring exceptional functionality.
Meet the 1-X250 series straight-stroke pneumatic diaphragm actuator, designed with a single-spring structure for enhanced functionality. Distinguished from the 1-X280 series, the 1-X250 series is tailored for long-stroke control, offering an extraordinary maximum stroke of 250mm. Compared to pneumatic piston actuators, it stands out with superior adjustment accuracy and a lightweight profile, making it ideal for cutting applications. Equipped with state-of-the-art components like a pneumatic valve, speed increaser, and fast discharge valve, it guarantees rapid cutting, achieving minimum fast cutting times as swift as 1S.
Product Description
| Type | PNEUMATIC DIAPHRAGM LINEAR ACTUATORS |
| Model | 1-X280 | 1-X250 |
| Size | D12 | D25 | D33 | D39 | D46 | D63 | D63 |
| Membrane Diameter(mm) | 218 | 262 | 333 | 395 | 465 | 640 | 640 |
| Active Area(mm2) | 33567 | 48497 | 78343 | 110231 | 152763 | 289382 | 289382 |
| Stroke(mm) | 17 | 17 | 25 | 17 | 25 | 34 | 45 | 17 | 25 | 34 | 45 | 25 | 34 | 45 | 60 | 34 | 45 | 60 | 76 | 100 | 120 | 150 | 200 |
| Handwheel | T | T/S | T/S | T/S | T/S | S | S |
| Supply | 40psi,50psi,60psi (0.28Mpa,0.35Mpa,0.4Mpa) |
| Air Connect | 1/4" NPT | 1/4" NPT | 1/4" NPT | 1/2" NPT | 1/2" NPT | 1" NPT | 1" NPT |
| Orientation Diameter(mm) | Φ55 | Φ60 | Φ60 | Φ76 | Φ76 | Φ95 | Φ128 |
| Max. Output thrust(N) | 2185 | 2880 | 7696 | 12040 | 17353 | 26672 | 28242 |
| Lag | ≤1%FS(With positioner )-GB/T4213-201 |
| Liner | ≤±2%FS(With positioner)-GB/T4213-2013 |
| Air chamber sealing | Pressure reduction value ≤5.0Kpa/5min-GB/T4213-2013 |
| Service life | ≥100000-GB/T4213-2013 |
| Ambient Temperature | Standard -10~+70 High Temperature -40~+100ºC |
| Coating Color | Bule |
| Attachments | Electropneumatic valve positioner ,Pneumatic valve positioner, filter reducing valve, plasticizing relay, solenoid valve, pneu-
matic valve, lock valve, speed controller, limit switch |
| Position transmitter, manual mechanism, maximum adjustable mechanical limit, minimum adjustable mechanical limit |
| Option | Special interface, specified coating, diameter of connection locating hole, extension length of push rod, thread at connection |
Product Parameters
Effective Thrust of Valve Stem
(N/psi) |
| Model | 1-X280 | 1-X250 |
| Action Mode | D12 | D25 | D33 | D39 | D46 | D63 | D63 |
| DA(Direct Action) | 220 | 222 | 409 | 580 | 828 | 1574 | 1569 |
| RA(Reverse Action) | 180 | 192 | 370 | 519 | 748 | 1420 | 1295 |
Actuator Features
Engineered for an impressively long service life, our actuators set the standard for durability and performance.
Each membrane cover is meticulously crafted from stamped steel, boasting a galvanized and painted finish. This dual-layer of protection not only wards off corrosion but ensures the paint remains resilient and intact over time.
Constructed from either cast steel or forged steel, the actuator bracket offers unmatched firmness and reliability, standing as a testament to superior engineering.
Our diaphragms, made from high-quality neoprene, excel in resisting aging, chemical exposure, and deformation, even under constant stress, ensuring longevity and reliability.
The push rod boasts an AISI420 composition, with a nickel-plated, extruded surface that gleams with high finish, offering top-tier corrosion resistance.
Crafted from aluminum bronze, the guide bushing ensures precise guidance with minimal deformation, even at low temperatures, guaranteeing a perfect seal for the air chamber.
The connection at the actuator bracket is expertly sealed with an 'A' type sealing ring, effectively preventing any intrusion of oil, sand, or dirt, ensuring uninterrupted operation.
Unparalleled Application Flexibility
The design allows for full interchangeability of all positive and reaction components, simplifying maintenance and upgrades.
With adjustable spring installation positions to match your unique stroke requirements, the integrally cast aluminum tray offers both high and low installation points. Choose from 3, 4, or 6 springs to tailor the spring range to your specific needs.
Experience customized performance with varying spring ranges for each actuator, accommodating a diverse array of valve diameters.
Select from two versatile handwheel mechanism styles: top-mounted or side-mounted. The side-mounted option provides complete detachment from the actuator for easy installation.
Seamlessly integrate the actuator and valve using the innovative pressing plate and sleeve structure, making on-site packing replacements a breeze.
Effortless installation elevates overall user experience, ensuring quick adjustments and maintenance.
This robust structure ensures a stable and reliable connection, enhancing the performance and longevity of both actuator and valve.
Choose from a suite of Options designed to perfect your actuator experience:
Precision Adjustable Options
The adjustable upper travel limit precisely controls the upward movement of the actuator, ensuring optimal performance.
Similarly, the adjustable lower travel limit offers fine-tuned control over downward movement, enhancing functionality.
Top-mounted handwheel mechanism for manual control.
Side-mounted handwheel mechanism for ease of access.
Specialized Actuators for Varied Temperatures
Low-temperature actuators are expertly designed to operate efficiently between -60 to 70 ºC.
With robust design, ensure performance in extreme low temperatures.
High-temperature actuators deliver reliable performance from -20 to 100 ºC, ideal for hotter environments.
Our actuator locking device guarantees that your system remains securely locked during maintenance, mimicking the actuator's fault position for added safety.
Further enhance your actuator system with accessories like position transmitters, manual mechanisms, and maximum/minimum adjustable mechanical limits.
Expand control capabilities with additional accessories such as positioners, pressure reducing valves, solenoid valves, limit switches, lock valves, boosters, amplifiers, and pneumatic valves, facilitating a comprehensive control circuit.
Dynamic Actuator Spring Ranges (psi)
Advanced 1-X280 SERIES SIDE HANDWHEEL
Discover the 1-X280 series's overall dimensions & mass, engineered for efficient space utilization.
Extraordinary Service Life
1. The diaphragm is a marvel of engineering,designed from high-strength materials, providing durablecovering that withstands harsh environments.Our use of stamped steel, galvanized, and painted for extended longevity, ensures that even the toughest conditions won't damage the surface.
2. The diaphragm is constructed from neoprene rubber, offering premium resistance to aging, superb chemical corrosion protection, and retains its shape effortlessly even under continuous stress.
3. The push rod is made of AISI420 with a nickel-plated surface, delivering exceptional smoothness and superior corrosion resistance.
4. The guide bushing is made from aluminum bronze, guaranteeing excellent guidance and minimizing deformation at low temperatures, thereby maintaining optimal air chamber sealing.
5. For the sealing, an A-type sealing ring is applied beneath the connection of the push rod and bracket to effectively thwart oil, sand, or dirt intrusion.
Application Flexibility
1. All direct-acting and reverse-acting components are universal to ensure complete interchangeability.
2. The spring installation position is adjustable based on the stroke. The integrally cast aluminum tray offers two versatile installation positions: high and low, ensuring effortless setup. Meanwhile, 3, 4, or 6 springs can be configured to cater to various spring ranges.
3. Each actuator specification includes diverse spring options, accommodating an extensive range of valve sizes.
4. Two types of handwheel mechanisms are available: top-mounted and side-mounted. The side-mounted handwheel, notably, can be entirely detached, streamlining installation processes.
5. The connection between the actuator and valve employs a compression plate and sleeve structure, ensuring easy installation and facilitating convenient on-site packing replacement.
Actuator Options
1. Adjustable Upper Stroke Limiter: Provides control over the upward stroke of the actuator.
2. Adjustable Lower Stroke Limiter: Regulates the downward stroke of the actuator.
3. Top-Mounted Handwheel Mechanism
4. Side-Mounted Handwheel Mechanism
5. Low and High-Temperature Actuators: Specially crafted for specific environmental conditions.
6. Low-Temperature Actuators: Ideal for environments with temperatures ranging from -60°C to 70°C.
7. High-Temperature Actuators: Ideal for environments with temperatures ranging from -20°C to 100°C.
8. Actuator Locking Device: Ensures the actuator maintains a locked position during maintenance, aligning with the fail-safe stance of the actuator.
9. Remote Venting: When natural gas or other hazardous gases serve as the actuator's air source, the housing should be equipped with a venting device to prevent gas build-up.
10. Additional Control Circuit Accessories: Positioner, pressure regulator, solenoid valve, limit switch, locking valve, booster
Production application
Company Profile
SNT Machinery (Qingdao) Co., Ltd. is a distinguished manufacturer of premium control valves, seamlessly integrating manufacturing, design, sales, and exemplary service under one roof. With a robust foundation and rapid development trajectory, SNT is nestled in the scenic city of Qingdao, Shandong province, sprawling across an impressive expanse of 42,000 square meters. Our state-of-the-art workshops and cutting-edge production facilities reflect our commitment to innovation and quality. As a high-tech enterprise endowed with independent intellectual property rights, we've embraced advanced management and production practices from across the globe. Our dynamic team includes over 150 dedicated professionals, with 15% specializing in R&D and 30% possessing graduate-level or higher degrees. Through our top-tier production management and pioneering R&D initiatives, SNT produces an extensive range of high-quality valves, pivotal to the petrochemical, oil, and coal chemical industries. In 2017, our sales soared, nearly reaching a staggering 100 billion.
SNT proudly holds the TS special equipment manufacturing certificate and ISO 9001 accreditation. Our prowess is further enhanced by the net qualification certificates from industry giants like SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. We boast numerous National Patents in advanced technologies. Our expertise allows us to design and produce a comprehensive series of valves adhering to ANSI, API, DIN, BS, and JIS standards. By amalgamating the strengths of renowned global valves with our independent R&D, we now excel in crafting an array of valves including GLOBE, High-Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, and Eccentric Rotary Valves.
Explore our diverse valve offerings: 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, and Cryogenic Valves, among others. Our versatile driving forms encompass manual, power-driven, pneumatic, and hydraulic operations. Main components are constructed from materials such as A216 WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M. Specifications range from 1/2" to 120", with working pressures from ANSI 150# to 2500#, and enduring temperatures from -196ºC to 1100ºC.
With our advanced production technology management and rigorous quality assurance system, SNT Valves have become indispensable across various sectors such as petrochemical, oil, steel & iron, paper manufacturing, and power stations. Our esteemed clientele includes notable names like SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, and PETROCHINA Ningxia branch, among others.
At SNT, we prioritize our users' profitability, dedicating ourselves to forging a path of unparalleled quality and brand excellence. Our impeccable quality assurance and after-sales service systems ensure that SNT valves forge lasting partnerships with our esteemed clientele, fostering mutual growth and shared prosperity.
Address:
Shiao International 1602, Shinan District, Qingdao, Shandong, China
Business Type:
Manufacturer/Factory
Business Range:
Industrial Equipment & Components
Management System Certification:
ISO 9001, ISO 20000, IATF16949, HSE
Company Introduction:
SNT Machinery(Qingdao)Co., Ltd. Stands as a leading authority in control valve manufacturing. Based in the strategic hub of Qingdao, Shandong province, our sprawling 42, 000m² Facility is outfitted with cutting-edge workshops and advanced production equipment. As a high-tech enterprise, we take pride in owning independent intellectual property rights and implementing cutting-edge international management and production techniques. Our team of over 150 dedicated professionals includes 15% R&D specialists and 30% with graduate degrees or higher. This commitment to excellence and innovation enables us to produce a diverse array of top-tier valves, widely utilized across the petrochemical, oil, and coal chemical industries. In an impressive milestone, our sales neared 100 billion in 2017. SNT proudly holds the prestigious TS special equipment manufacturing certificate and ISO 9001 certification. We are honored to possess net qualification certificates from industry titans including SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our technological prowess has garnered us multiple national patents. We design and manufacture an extensive range of valves adhering to stringent ANSI, API, DIN, BS, and JIS standards. By merging the finest attributes of world-renowned valves with our innovative R&D, we offer a comprehensive portfolio featuring GLOBE Valves, High-Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, Eccentric Rotary Valves, and beyond.
Our product lineup showcases V Ball Valves, High Wear-resistant Ball Valves, High-Pressure Steam Valves, Micro-flow Control Valves, Self-operated Control Valves, and Cryogenic Valves, available in manual, electric, pneumatic, and hydraulic driving forms. We use premium materials such as A216WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M. Our specifications range from 1/2" to 120" in size, accommodating working pressures from ANSI 150# to 2500# and operating temperatures from -196º C to 1100º C. Utilizing our advanced production technology, precise management, and robust quality assurance systems, SNT valves earn trust across diverse industries including petrochemical, oil, steel, iron, paper manufacturing, and power stations. Our esteemed clientele features SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, among others. At SNT, we are devoted to maximizing customer profitability by consistently delivering superior quality and establishing a reputable brand. Our unwavering commitment to comprehensive quality assurance and exemplary after-sales services ensures that SNT valves cultivate enduring partnerships with our clients, driving mutual success and long-term prosperity.
