Galvanized and Painted Override Surface Multi-Spring Pneumatic Actuators

• Customization: Available
• Brand: Snt
• Power: Pneumatic
• Model NO.: 1-X280
• Adjusted Form: Regulated Type
• Working Type: Straight Trip
• Pressure: Medium Pressure
• Work Temperature: Normal Temperature
• Acting Type: Spring Return
• Material: Stainless Steel
• Customized: Customized
• Structure: Thin-Film Type
• 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)
• Handwheel: Top or Side
• 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
• Trademark: SNT
• Origin: China
• HS Code: 8481804090
• Production Capacity: 50000 Per/Year
• Package Size: 1.07cm * 1.07cm * 1.04cm
• Package Gross Weight: 20.000kg
• Lead Time: 15 days (1 - 50 Pieces) ; To be negotiated ( > 50 Pieces)

Product Description

 

About Pneumatic Diaphragm

 

^{The innovative 1-X280 series of straight-stroke pneumatic diaphragm actuators showcases a cutting-edge multi-spring design, available in both positive and negative action forms. This versatile actuator excels in enabling the desired fault position of the valve by simply utilizing the reliable spring reset mechanism. When paired with a straight-stroke valve, it becomes an indispensable tool for the precise control and adjustment of process parameters. With an impressive maximum stroke of 76mm, this actuator stands out as a high-performance solution, boasting a lightweight yet robust build, substantial thrust capabilities, and a straightforward structure that offers unparalleled efficiency and ease of use.
The 1-X250 series straight-stroke pneumatic diaphragm actuator is engineered with a sophisticated single-spring configuration. Distinguishing itself from the 1-X280 series, it is meticulously crafted for superior long-stroke control, achieving a remarkable maximum stroke of 250mm. In comparison to the pneumatic piston actuator, it offers the significant benefits of exceptional adjustment accuracy and a notably lighter weight. Specifically designed for cutting-edge applications, it is equipped with a pneumatic valve, speed increaser, and fast discharge valve, facilitating rapid cutting actions with astonishing precision. The actuator's cutting-edge design ensures a minimum fast cutting time of just 1 second, setting a new standard in operational excellence.}

 

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

 

<sup>Unmatched Durability: Ensures an extended operational lifespan for consistent performance over time.
The membrane cover boasts superior craftsmanship, crafted from high-quality stamped steel. Its surface is enhanced with a dual-layer of galvanization and paint, offering premium protection against corrosion. This protective layer is rigorously tested to ensure it remains intact without peeling, even under harsh conditions.
Built to Last: The actuator bracket is expertly constructed from either cast or forged steel. This choice of material provides a firm, robust, and utterly reliable structure that stands the test of time.
The diaphragm, crafted from resilient neoprene, offers exceptional resistance. It withstands aging, chemical aggression, and remains deformation-free under continuous stress, ensuring continuous operation without compromise.
The push rod is made from AISI420 material, renowned for its durability. Its surface is meticulously extruded and nickel-plated, achieving a high-gloss finish and outstanding corrosion resistance.
Precision Engineering: The guide bushing, constructed from aluminum bronze, provides excellent guidance. It minimizes deformation at low temperatures, ensuring optimal air chamber sealing for uncompromised performance.
Protective Innovation: The junction between the push rod and the bracket is sealed with an A-type sealing ring. This design effectively prevents infiltration of oil, sand, or dirt, maintaining the system's integrity.

Application Flexibility
Versatile Design: All positive and reaction components are interchangeable, allowing for a tailored fit to individual requirements.
Customizable Configuration: The spring installation position is adjustable according to the stroke, thanks to the integrally cast aluminum tray, which features dual installation points for high and low settings. Options for fitting 3, 4, or 6 springs are available, offering diverse spring ranges to meet various needs.
Adaptable to Diverse Requirements: Enjoy the flexibility of different spring ranges to suit unique operational demands.
Wide Compatibility: Each actuator specification supports a variety of travel springs, accommodating a broad spectrum of valve diameters with ease.
Handwheel Versatility: Two distinct types of handwheel mechanisms are available - the top-mounted and the side-mounted handwheel. The side-mounted variant is particularly noteworthy for its ability to be fully detached from the actuator.
This feature ensures effortless installation and maintenance.
Effortless Integration: The actuator-valve connection is designed with a
pressing plate and sleeve structure, simplifying on-site installation and packing replacement.</sup>

<sup>Options

Adjustable Upper Travel Limit: Precisely controls the actuator's upward movement to meet specific requirements.
Adjustable Lower Travel Limit: Defines the actuator's downward travel parameters, enhancing operational control.
Top-Mounted Handwheel Mechanism: Designed for convenience and ease of use.
Side-Mounted Handwheel Mechanism: Offers a space-saving design with seamless detachment capabilities.
Temperature-Specific Actuators: Designed to function optimally in unique ambient temperatures, ensuring performance excellence in all conditions.
Low-Temperature Actuators: Engineered for extreme climates, operating efficiently within a range of
-60 to 70 ºC.
High-Temperature Actuators: Suited for hot environments, maintaining functionality from -20 to 100 ºC.
Safety Assurance: The actuator locking device guarantees the actuator remains securely locked during maintenance, mirroring the fault position for added safety.
Comprehensive Control: Accessories include position transmitters, manual mechanisms, and adjustable mechanical limits to enhance user control and flexibility.
Control Circuit Essentials: Equipped with positioners, pressure reducing valves, solenoid valves, limit switches, lock valves, boosters, amplifiers, pneumatic valves, and more.</sup>

Actuator Spring Ranges (psi): Tailored to meet precise operational pressures.

1-X280 SERIES SIDE HANDWHEEL


1-X280 Series: Comprehensive dimensions and mass specifications available upon request.




Service Life

1. The diaphragmcover isengineered to becrafted from stamped steel with a galvanized and painted surface, offering exceptional corrosion resistance. The paint is formulated for long-lasting durability, ensuring it does not easily peel. The actuator bracket, made from either cast or forged steel, provides a sturdy and reliable structure that guarantees longevity and dependability.

2. The dynamic diaphragm is expertly engineered from premium neoprene rubber, which boasts superb resistance to aging, exceptional chemical corrosion resilience, and a remarkable ability to retain its form even under continuous duress.Diaphragm is constructedfrom neoprene rubber, offering excellent resistance to aging, chemical corrosion, and maintaining its shape under continuous stress.

3. The pushrod is meticulously craftedfrom AISI420 stainless steelwith a nickel-plated finish, ensuring an ultra-smooth surfaceand superior resistance

to corrosion.4. The guide bushing is expertly fashionedfrom aluminum bronze, providing optimal guidance,and ensuring minimal deformation at lower temperatures, thus maintaining exceptional air chamber sealing.

5. For the sealing,an A-type sealing ringis strategically placedbelow the connection point of the pushrod and bracket to effectively

prevent intrusion of oil, sand, or dirt.

Application Flexibility 1. All direct-acting and reverse-acting components are universally designed to ensureseamless interchangeability. 2. The spring installation position

can be tailored according to stroke specifications. The integrally cast aluminum tray offers two installation settings: high and low, which simplifies installation.

Furthermore, 3, 4, or 6 springs can be configured to achieve various spring ranges.

3. Each actuator specification comes with an array of spring options to accommodate a broad spectrum of valve sizes.

4. Two types of handwheel mechanisms are available: top-mounted and side-mounted. Notably, the side-mounted handwheel can be fully detached, significantly enhancing installation convenience.

5. The actuator-to-valve connection employs a cutting-edge compression plate and sleeve structure, ensuring straightforward installation and effortless on-site packing replacement.

Actuator Options

1. Adjustable Upper Stroke Limiter: Precisely limits the actuator's upward stroke.

2. Adjustable Lower Stroke Limiter: Designed to control the downward stroke of the actuator with precision.

3. Top-Mounted Handwheel Mechanism

4. Side-Mounted Handwheel Mechanism5. Low and High-Temperature Actuators: Engineered for unique environmental conditions.

6. Low-Temperature Actuators: Ideal for environments with temperatures from -60°C to 70°C, ensuring reliable operation.

7. High-Temperature Actuators: Perfectly suited for environments with temperatures ranging from -20°C to 100°C.

8. Actuator Locking Device: Ensures the actuator remains secure in a locked position during maintenance operations, aligning with the fail-safe position of the actuator.

9. Remote Venting: When natural gas or other hazardous gases serve as the actuator's air source, the housing must include a venting device to prevent dangerous gas accumulation.

10. Additional Control Circuit Accessories: Elevate your system's potential with our range of sophisticated control circuit accessories tailored to enhance performance and reliability.: Positioner: Achieve precision control with our advanced positioners that ensure optimal actuator performance.ositioner, pressure regulator, solenoid valve, limit switch, locking valve, booster: Our comprehensive selection includes high-performance positioners, reliable pressure regulators, cutting-edge solenoid valves, dependable limit switches, secure locking valves, and robust boosters. Each accessory is engineered for excellence, delivering superior functionality and seamless integration into your pneumatic systems.

 

Production application

Company Profile

SNT Machinery (Qingdao) Co., Ltd seamlessly integrates control valve manufacturing, design, sales, and service, establishing a powerhouse of engineering excellence. Nestled in the vibrant city of Qingdao, Shandong province, our facility spans an impressive 42,000 square meters, boasting state-of-the-art workshops and cutting-edge production equipment. As a high-tech enterprise enriched with proprietary intellectual property rights and enhanced by advanced international management and production methodologies, we are at the forefront of innovation. Our dynamic workforce exceeds 150 dedicated professionals, with 15% specializing in R&D and 30% holding graduate-level or higher degrees. Our robust production management team and groundbreaking technology development allow us to deliver a vast array of high-quality valves, essential to the petrochemical, oil, and coal chemical sectors. In 2017, our sales soared to nearly 100 billion, a testament to our unwavering commitment to excellence.

SNT proudly holds the TS special equipment manufacturing certificate and ISO 9001 accreditation, underscoring our commitment to quality and safety. We are esteemed by SINOPEC, CNOOC, PETROCHINA, and SINOCHEM, having secured their net qualification certificates. Our innovative prowess is reflected in numerous national patents across various technologies. We expertly design and manufacture a comprehensive range of valves conforming to ANSI, API, DIN, BS, and JIS standards. By assimilating the strengths of globally renowned valves and advancing our research and development initiatives, we offer a diverse product line including globe valves, high-pressure boiler blow-down valves, high-performance butterfly valves, and many more high-precision solutions.
Our extensive product catalog features V ball valves, high wear-resistant ball valves, and solutions for high-pressure steam, micro-flow control, and cryogenic applications. Our valves are driven manually, or powered by pneumatic, electric, and hydraulic systems. The main components are crafted from premium materials such as A216WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M, covering specifications from 1/2" to 120" and accommodating working pressures from ANSI 150# to 2500#, withstanding temperatures ranging from -196ºC to 1100ºC.

With an unwavering focus on pioneering production technologies and a rigorous quality assurance framework, SNT valves are trusted across various industries, from petrochemical and oil to steel, iron, paper manufacturing, and power generation. Our esteemed clientele includes prominent industry leaders such as SINOPEC QILU and Qingdao branches, CNOOC Huizhou Refinery, PETROCHINA Guangxi and Ningxia branches, and SINOPEC Changling and Jinan branches, among others.

At SNT, client satisfaction and profitability are our guiding principles. We are dedicated to establishing a legacy of unrivaled quality and brand excellence. Our comprehensive quality assurance and robust after-sales support systems ensure a seamless partnership with our clients, fostering mutual growth and shared success.