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
Experience the innovation of the 1-X280 series straight-stroke pneumatic diaphragm actuators, engineered with a sophisticated multi-spring structure. This versatile design offers both positive and negative action forms, enabling seamless achievement of the desired fault position of the valve, thanks to its intuitive spring reset mechanism. When paired with a straight-stroke valve, it excels in the precise control and adjustment of process parameters, boasting an impressive maximum stroke of 76mm. As a high-performance pneumatic actuator, it features a lightweight build, substantial thrust capacity, straightforward structural design, and much more, setting a new standard in pneumatic actuation.
Introducing the 1-X250 series straight-stroke pneumatic diaphragm actuator, characterized by its efficient single-spring structure. Tailored for long-stroke control, this series achieves remarkable performance with a maximum stroke of 250mm. Unlike pneumatic piston actuators, it offers superior adjustment accuracy and a featherweight design, making it ideal for cutting applications. Enhanced with a pneumatic valve, speed increaser, and fast discharge valve, it ensures rapid cutting capabilities, achieving a minimum fast cutting time as swift as 1 second. Discover the seamless integration of precision and speed with the 1-X250 series.
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
Exceptional Longevity
The membrane cover is crafted from premium stamped steel, beautifully finished with a galvanized and painted surface to ensure maximum corrosion resistance. This paint is engineered to adhere firmly, maintaining its pristine appearance for years.
Our actuator bracket is constructed from either cast or forged steel, providing a structure that stands firm and dependable, showcasing unparalleled reliability.
Crafted from high-grade neoprene, the diaphragm offers excellent resistance against aging and chemical attacks, maintaining its integrity without deformation under continuous stress.
The push rod, made from AISI420, boasts an extruded, nickel-plated surface that provides a high finish while ensuring superior corrosion resistance.
Our guide bushing, made of aluminum bronze, guarantees excellent guidance with minimal deformation even at low temperatures, ensuring a perfect seal of the air chamber.
The lower connection between the push rod and the bracket is meticulously sealed with an A-type sealing ring, effectively preventing any penetration of oil, sand, or dirt.
Unmatched Application Flexibility
All positive and reaction parts are ingeniously designed to be interchangeable, enhancing adaptability.
The spring installation position is fully adjustable according to the stroke. Our integrally cast aluminum tray features dual installation positions, high and low, for effortless installation. Choose to install 3, 4, or 6 springs to
achieve different spring ranges, catering to diverse needs.
Each actuator specification supports a variety of travel springs, allowing for compatibility with a wide range of valve diameters.
Two innovative hand wheel mechanisms are available: top-mounted and side-mounted. The side-mounted handwheel is especially
convenient as it can be completely detached from the actuator.
Installation is a breeze; the actuator-to-valve connection utilizes a
pressing plate and sleeve structure, facilitating easy installation and on-site packing replacement.
Versatile Options
Adjustable upper travel limit to precisely control the actuator's upward movement.
Adjustable lower travel limit to effectively manage the actuator's downward travel.
Top-mounted handwheel mechanism for user convenience.
Side-mounted handwheel mechanism, offering flexibility in operation.
Actuators designed for both low and high temperatures, ideal for specific ambient conditions.
Low-temperature actuators comfortably operate between:
- 60 to 70 ºC, ensuring performance in chilly environments.
High-temperature actuators efficiently manage temperatures from - 20 to 100 ºC.
An actuator locking device guarantees the actuator remains securely locked during maintenance, matching the actuator fault position.
Comprehensive accessories include a position transmitter, manual mechanism, maximum and minimum adjustable mechanical limits.
Other essential accessories for control circuits encompass a positioner, pressure reducing valve, solenoid valve, limit switch, lock valve, booster, amplifier, pneumatic valve, and more.
Actuator Spring Ranges (psi): Tailored for Precision
1-X280 Series Side Handwheel: Engineered for Optimal Comfort
1-X280 Series Dimensions & Mass: Designed for Seamless Integration
Service Life: Remarkable Durability and Reliability
1. Thediaphragm cover is made of stamped steel with a galvanized and painted surface crafted for impeccable corrosion resistance. This paint is formulated to remain intact, offering durability without peeling. The actuator bracket, forged from cast or forged steel, ensures a robust and trustworthy structure.
2. The diaphragm is the heart of the actuator system, meticulously crafted to ensure peak performance.iaphragm is constructed from premium neoprene rubber, known for its superior resistance to aging and chemical corrosion, while maintaining its structural integrity under continuous stress.
3. The push rod is made of high-grade AISI420 with a nickel-plated finish, offering exceptional smoothness and robust corrosion resistance.
4. The guide bushing is made from durable aluminum bronze, ensuring superior guidance and minimal deformation at low temperatures, thereby securing excellent air chamber sealing.
5. For the sealing, an A-type sealing ring is ingeniously placed below the connection point of the push rod and bracket to effectively prevent the intrusion of oil, sand, or dirt, ensuring unrivaled reliability.
Application Flexibility
1. All direct-acting and reverse-acting parts are universally designed to ensure interchangeability, providing unmatched convenience and flexibility in various applications.
2. The spring installation position is thoughtfully adjustable according to the stroke. The integrally cast aluminum tray offers two installation positions: high and low, ensuring seamless and convenient installation. Meanwhile, 3, 4, or 6 springs can be skillfully configured to achieve a wide spectrum of spring ranges, catering to numerous operational requirements.
3. Each actuator specification is intelligently designed to include various spring options, accommodating a broad array of valve sizes with precision.
4. There are two innovative handwheel mechanism types: top-mounted and side-mounted. The side-mounted handwheel is especially advantageous as it can be completely detached from the actuator, significantly simplifying the installation process.
5. The connection between the actuator and valve features a practical compression plate and sleeve structure, promoting ease of installation and convenient on-site replacement of packing.
Actuator Options
1. Adjustable Upper Stroke Limiter: Expertly crafted to control the upward stroke of the actuator, ensuring precision in operation.
2. Adjustable Lower Stroke Limiter: Engineered to manage and limit the downward stroke with utmost accuracy.
3. Top-Mounted Handwheel Mechanism
4. Side-Mounted Handwheel Mechanism
5. Low and High-Temperature Actuators: Artfully designed to perform under specific environmental conditions, offering unparalleled adaptability..
6. Low-Temperature Actuators: Perfectly suited for environments with temperature ranges from -60°C to 70°C, providing reliable performance in extreme cold settings.
7. High-Temperature Actuators: Expertly engineered for environments with temperature ranges from -20°C to 100°C, ensuring operational efficiency in elevated temperature conditions.
8. Actuator Locking Device: Meticulously designed to keep the actuator securely locked during maintenance, aligning with the fail-safe position of the actuator for maximum safety.
9. Remote Venting: When natural gas or other hazardous gases serve as the actuator's air source, equipping the actuator housing with a venting device is crucial to prevent gas accumulation, ensuring safe operation.
10. Additional Control Circuit Accessories: Positioner, pressure regulator, solenoid valve, limit switch, locking valve, booster - Enhance your systems with these precision-engineered components, each designed to deliver optimal performance, reliability, and efficiency. Elevate functionality and precision with our top-tier selection of regulators, switches, and more, ensuring your operations are smooth, responsive, and adaptable.
Production application
Company Profile
SNT Machinery (Qingdao) Co., Ltd stands as a distinguished producer of control valves, expertly merging manufacturing, design, sales, and service into an efficient operation. With a strategic location in Qingdao, Shandong province, spanning a vast 42,000 square meters, our facility is fitted with cutting-edge workshops and state-of-the-art production equipment. As a high-tech enterprise holding independent intellectual property rights, we pride ourselves on integrating advanced global management and production techniques. Our vibrant team comprises over 150 dedicated professionals, with 15% specializing in R&D and 30% holding graduate or higher degrees. Leveraging a top-tier production management team and pioneering technology research, we manufacture a wide array of high-quality valves tailored for the petrochemical, oil, and coal chemical sectors. Our stellar reputation is reflected in a remarkable sales value nearing 100 billion in 2017.
SNT proudly holds the TS special equipment manufacturing certificate and ISO 9001 certification, in addition to securing the network qualification certificate from prestigious entities such as SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. With numerous national patents to our name, we design and produce a comprehensive range of valves adhering to ANSI, API, DIN, BS, and JIS standards. Our innovative research process fuses global valve advancements with our proprietary technologies, enabling us to manufacture an extensive assortment of valves, including GLOBE Valves, High-Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, and Eccentric Rotary Valves, to name a few.
Our product line extends to 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. We offer diverse driving forms such as manual operation, power-driven, pneumatic, and hydraulic drive. The primary materials used in our parts include 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 temperatures spanning -196ºC to 1100ºC.
With our advanced production technology management and rigorous quality assurance systems, SNT Valves have earned a trusted place in industries such as petrochemical, oil, steel & iron, paper manufacturing, and power stations. Our esteemed clientele features leading names like the SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, and more, reflecting our expansive reach and reliability.
At SNT, we prioritize our customers' profitability, dedicating ourselves to delivering excellence in quality and brand reputation. Our robust quality assurance and comprehensive after-sales systems ensure that SNT valves forge prosperous partnerships with all our clients, building a future of shared success and innovation.
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.
