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
Introducing the remarkable 1-X280 series straight-stroke pneumatic diaphragm actuator, which boasts an innovative multi-spring design. This adaptable actuator offers both positive and negative action forms, allowing it to seamlessly achieve the desired fault position of the valve through its reliable spring reset mechanism. When paired with a straight-stroke valve, it excels in precision control and regulation of process parameters, with an impressive maximum stroke of 76mm. This high-performance pneumatic actuator is distinguished by its lightweight build, substantial thrust capability, and straightforward design, making it an exceptional choice for efficient and effective process management.
Discover the 1-X250 series straight-stroke pneumatic diaphragm actuator, crafted with a robust single-spring structure. This series stands apart from the 1-X280 with its specialization in long-stroke control, achieving a maximum stroke of 250mm. When compared to conventional pneumatic piston actuators, it offers superior adjustment precision and reduced weight, making it ideal for cutting applications. This actuator is equipped with advanced components like a pneumatic valve, speed increaser, and fast discharge valve, enabling rapid cutting actions, with a swift minimum cutting time of just 1 second.
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
Enjoy extended operational longevity with our actuators.
Crafted with precision, the membrane cover features a stamped steel construction, elegantly finished with galvanization and painting for impeccable corrosion resistance. The durable paint ensures a lasting, flawless appearance.
Constructed with unwavering integrity, the actuator bracket boasts cast or forged steel, offering a structure that is both robust and dependable.
The diaphragm, crafted from high-quality neoprene, excels in resisting aging, chemical attacks, and deformation, even under continuous stress.
Made of AISI420, the push rod's surface is meticulously extruded and nickel-plated, delivering a high finish with superior corrosion resistance.
The guide bushing, made from aluminum bronze, provides excellent guidance with minimal deformation at low temperatures, ensuring optimal air chamber sealing.
The connection's lower part between the push rod and bracket is secured with an A-type sealing ring, effectively preventing the intrusion of oil, sand, or dirt.
Application Flexibility
Seamlessly interchangeable positive and reaction components ensure adaptability in various scenarios.
With adjustable spring installation positions tailored to the stroke, the integrally cast aluminum tray allows two installation heights. Offering 3, 4, or 6 spring options,
you can achieve distinctive spring ranges tailored to your needs.
With diverse actuator specifications, enjoy compatibility with a broad range of valve diameters to suit your specific application.
Choose between top-mounted and side-mounted handwheel mechanisms. The side-mounted handwheel
can be seamlessly detached from the actuator, offering unmatched convenience
for installation. The actuator-to-valve connection employs
a pressing plate and sleeve structure, simplifying on-site packing replacement and installation.
Options
Adjustable upper travel limit: Perfect for regulating the upward travel of the actuator.
Adjustable lower travel limit: Essential for controlling the downward travel of the actuator.
Top-mounted handwheel mechanism for easy accessibility.
Side-mounted handwheel mechanism for versatile application.
Low-temperature and high-temperature actuators tailored for specific ambient conditions.
Low-Temperature Actuators Operating Range:
From -60 to 70 ºC, ensuring reliable performance.
High-Temperature Actuators Operating Range: -20 to 100 ºC, engineered for demanding environments.
An actuator locking device guarantees the actuator maintains its locked position during maintenance, consistent with fault positioning.
Includes position transmitters, manual mechanisms, and adjustable mechanical limits for maximum and minimum settings.
Comprehensive control circuit accessories: positioner, pressure reducing valve, solenoid valve, limit switch, lock valve, booster, amplifier, and pneumatic valve for enhanced functionality.
Actuator Spring Ranges (psi)
1-X280 SERIES SIDE HANDWHEEL
Explore the 1-X280 series for overall dimensions and mass specifications.
Service Life
1. The diaphragmcover isover craftedfrom stamped steel, ensuring resilience with a galvanized and painted finish for superior corrosion resistance and longevity. The robust actuator bracket, made from cast or forged steel, guarantees a reliable and sturdy framework.
2. The diaphragm of our Superior Multi-Spring Pneumatic Diaphragm Actuators with Stamped Steel Cover is ingeniously designed for unparalleled durability.iaphragm - meticulously designed to deliver exceptional performance. is c - it's crafted to stand the test of time.onstructed from neoprene rubber, this diaphragm offers remarkable resistance to aging, chemical corrosion, and maintains its resilience under continuous stress.
3. The push rod of the actuator embodies a commitment to quality and durability.ush - crafted with precision. r - robust in functionality.od - ensuring reliable operation. is m - a product of meticulous engineering.ade of AISI420 with a nickel-plated surface, it presents high smoothness and superior corrosion resistance, ensuring enduring performance.
4. The guide bushing of our actuators is engineered with excellence.uide - designed for precision. b - offers flawless guidance.ushing - ensuring optimal performance. is m - crafted from premium materials.ade from aluminum bronze, it ensures excellent guidance and minimal deformation at low temperatures, maintaining an exceptional air chamber seal.
5. For the sealing mechanism, we employ an advanced approach.ealing - designed for precision., a - utilizing high-quality components.n A-type sealing ring is placed strategically below the connection point of the push rod and bracket, preventing oil, sand, or dirt intrusion.
Application Flexibility - our actuators redefine versatility.
1. All direct-acting and reverse-acting parts are universal, ensuring unmatched interchangeability. to - enhancing adaptability. ensur - crafted for seamless transition.e - designed for flawless function. interchangeability.
2. The spring installation position is adaptable according to stroke needs. The integrally cast aluminum tray provides two options: high and low, simplifying installation. Meanwhile, our system allows for the configuration of 3, 4, or 6 springs to achieve diverse spring ranges. 3, 4, or 6 springs can be configured to achieve unparalleled flexibility in spring ranges. to achieve different spring ranges.
3. Each actuator specification comes with a variety of spring options, catering to a broad spectrum of valve sizes.
4. Two handwheel mechanisms are available: top-mounted and side-mounted. The easily detachable side-mounted handwheel facilitates installation.
5. The actuator-to-valve connection employs a compression plate and sleeve structure, allowing for straightforward installation and effortless on-site packing replacement.
Actuator Options - a suite of choices for tailored solutions.
1. Adjustable Upper Stroke Limiter: Tailor the upward stroke precisely to your needs.
2. Adjustable Lower Stroke Limiter: Customize the downward stroke for optimal performance.
3. Top-Mounted Handwheel Mechanism: Streamlined for efficiency.
4. Side-Mounted Handwheel Mechanism: Designed for flexibility and ease.
5. Low and High-Temperature Actuators: Developed to withstand specific environmental conditions.: Designed for specific environmental conditions, ensuring robust performance no matter the climate..
6. Low-Temperature Actuators: Perfect for environments with temperatures from -60°C to 70°C, maintaining optimal operation. Suitable for environments with temperatures ranging from -60°C to 70°C, maintaining performance integrity. -60°C to 70°C.
7. High-Temperature Actuators: Ideal for environments spanning -20°C to 100°C, ensuring stability and durability.
8. Actuator Locking Device: A vital feature ensuring the actuator remains securely locked during maintenance, aligning with the actuator's fail-safe position.: Ensures the actuator remains in a locked position during maintenance, which corresponds closely to the fail-safe position of the actuator, guaranteeing safety and reliability.
9. Remote Venting: For safety in using natural gas or hazardous gases as the actuator's air source, a venting device is incorporated to prevent gas accumulation.
10. Additional Control Circuit Accessories: Positioner (P)Positioner, pressure regulator, solenoid valve, limit switch, locking valve, booster
Production application
Company Profile
SNT Machinery (Qingdao) Co., Ltd is a distinguished producer specializing in the innovation and creation of control valves, seamlessly integrating manufacturing, design, sales, and service into one cohesive entity. With a strong foundation and rapid development, SNT proudly stands in the heart of Qingdao, Shandong province, sprawling across a state-of-the-art facility covering an impressive 42,000 square meters. As a high-tech enterprise, we are powered by independent intellectual property rights and enriched with advanced global management and production insights. Our vibrant team consists of over 150 dedicated professionals, with 15% devoted to groundbreaking research and development, and 30% hold prestigious graduate or higher degrees. Fueled by our exceptional production management and pioneering technological advancements, we cater to the petrochemical, oil, and coal chemical industries with our premium valves. In 2017, our commitment to excellence was reflected in a remarkable sales value approaching 100 billion.
SNT has proudly attained the prestigious TS special equipment manufacturing certificate and ISO 9001 accreditation, with esteemed qualifications from SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our dedication to innovation is further exemplified through numerous National Patents. We expertly design and manufacture a comprehensive range of valves adhering to ANSI, API, DIN, BS, JIS standards. By synthesizing the finest features of globally renowned valves with our proprietary research, we offer a diverse selection including GLOBE, High Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, and Eccentric Rotary Valves among others.
Our extensive valve portfolio also encompasses 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. Our driving mechanisms span manual, power-driven, pneumatic, and hydraulic operations. We utilize top-tier materials like A216WCB, A217 WC6/WC9, A351 CF8/CF8M/CF3/CF3M, catering to specifications ranging from 1/2" to 120" in size, withstanding pressures from ANSI 150# to 2500#, and temperatures from -196ºC to 1100ºC.
Thanks to our cutting-edge production technology and robust quality assurance systems, SNT Valves are the preferred choice across a spectrum of industries including petrochemical, oil, steel & iron, paper manufacturing, and power stations. Our esteemed clientele features industry leaders such as SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, and many others who trust our excellence in quality and performance.
We prioritize our customers' profitability, dedicating ourselves to crafting impeccable quality and establishing a reputable brand. Our comprehensive quality assurance and dedicated after-sales service systems ensure that SNT valves forge enduring partnerships with all our clients, collectively paving the way for shared prosperity and success.
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.
