Multi-Spring Pneumatic Diaphragm Actuators with Reliable Galvanized Finish

• 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 1-X280 series straight-stroke pneumatic diaphragm actuator boasts an innovative multi-spring design available in positive and negative actions. This versatile actuator guarantees optimal valve fault positioning using its dependable spring reset mechanism. Seamlessly integrated with a straight-stroke valve, it excels in the nuanced control and precise adjustment of process parameters. With an impressive maximum stroke reaching up to 76mm, this high-performance pneumatic actuator is celebrated for its lightweight build, robust thrust, and intuitive design, making it a quintessential choice for efficiency and reliability.
The 1-X250 series straight-stroke pneumatic diaphragm actuator, featuring a sophisticated single-spring architecture, is crafted for expert handling of long-stroke operations, achieving a remarkable maximum stroke of 250mm. Distinguished from its pneumatic piston counterparts, this actuator offers superior adjustment precision and a lighter framework. Ideal for cutting-edge applications, it is outfitted with a pneumatic valve, a speed increaser, and a fast discharge valve, enabling rapid execution with a remarkably swift cutting time of just 1 second. Experience a new era of speed and accuracy 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

 

<sup>Experience exceptional longevity with these actuators.
The membrane cover boasts superior durability, crafted from stamped steel with a sophisticated galvanized and painted surface. This ensures outstanding resistance to corrosion while maintaining a pristine appearance. The paint finish is meticulously engineered to remain intact.
Engineered for strength and dependability, the actuator bracket is constructed from high-quality cast or forged steel.
Crafted from neoprene, the diaphragm is designed to withstand aging, chemical exposure, and maintain form under continuous stress, offering unmatched durability.
The push rod's material, AISI420, is expertly extruded and nickel-plated, providing a surface of high finish and exceptional corrosion resistance.
With an aluminum bronze guide bushing, expect precision and minimal deformation at low temperatures, ensuring superior sealing of the air chamber.
An A-type sealing ring fortifies the connection between the push rod and bracket's lower part, offering a robust defense against oil, sand, and dirt intrusion.

Application Flexibility
All components for both positive and reaction forces offer seamless interchangeability.
The actuator's design allows for adjustable spring positioning tailored to your specific stroke requirements. The integrally cast aluminum tray provides dual installation positions, catering to both high and low setups, enhancing ease of installation and versatility with options of 3, 4, and 6 springs.
to achieve varied spring ranges, offering flexibility in operation.
Each actuator specification comes with diverse travel springs, compatible with a broad spectrum of valve diameters.
Featuring two handwheel mechanism options: the top-mounted handwheel and the versatile side-mounted handwheel.
The side-mounted handwheel is designed for easy detachment from the actuator, ensuring straightforward installation.
Installation is further simplified with a pressing plate and sleeve structure that connects the actuator to the valve.
This design ensures seamless on-site installation and packing replacement.</sup>

<sup>Options

Adjustable Upper Travel Limit: Tailor the upward travel of your actuator with ease.
Adjustable Lower Travel Limit: Customize the downward travel for optimal performance.
Top-Mounted Handwheel Mechanism for enhanced accessibility.
Side-Mounted Handwheel Mechanism for versatile operation.
Actuators designed for extreme conditions: choose between low-temperature and high-temperature models tailored to your environmental needs.
Low-Temperature Actuators Operating Temperature:
-60 to 70 ºC, engineered for extreme cold climate conditions.
High-Temperature Actuators Operating Temperature: -20 to 100 ºC, perfect for demanding heat conditions.
Ensure operational integrity with the actuator locking device, keeping it secure during maintenance, even in fault conditions.
Enhance functionality with position transmitters, manual mechanisms, and adjustable mechanical limits for both maximum and minimum settings.
Elevate control circuit efficiency with additional accessories including positioners, pressure reducing valves, solenoid valves, limit switches, lock valves, boosters, amplifiers, and pneumatic valves.</sup>

Actuator Spring Ranges (psi) offer unparalleled precision and adaptability.

1-X280 SERIES SIDE HANDWHEEL enhances operability and versatility.


1-X280 series overall dimensions & mass ensure a compact and effective design.




Service Life

1. The diaphragmis crafted with stamped steel covering with a high-qualitygalvanized and painted surface designed for enduring corrosion resistance. The paint is expertly formulated to resist peeling, and the actuator bracket's robust design uses cast or forged steel to guarantee reliability and strength.

2. The diaphragm is expertly crafted to perfection from neoprene rubber, celebrated for its outstanding resilience against the ravages of time, chemical corrosion, and its ability to retain its shape even under relentless pressure.iaphragm is constructed from neoprene rubber, offering excellent resistance to aging, chemical corrosion, and maintaining its shape under continuous stress.

3. The pusher rod is meticulously engineeredush rod is made of AISI420 stainless steel, featuring an immaculate nickel-plated surface. This enhances its smoothness and endows it with exceptional resistance to corrosion.

4. The guide bushing is an embodiment of precision,uide bushing is made from aluminum bronze, providing outstanding guidance and ensuring minimal deformation even at low temperatures. This guarantees optimal sealing of the air chamber.

5. For the sealing needs,ealing, an A-type sealing ring is strategically positioned below the junction of the push rod and bracket, effectively preventing the intrusion of oil, sand, or dirt.

Application Flexibility

1. Ingeniously designed, all direct-acting and reverse-acting parts are standardized, to ensure effortless interchangeability.

2. The spring installation position is designed for adaptability, allowing adjustments according to stroke requirements. The integrally cast aluminum tray provides dual installation positions - high and low, ensuring effortless installation. Meanwhile, up to 3, 4, or 6 springs can be configured to achieve a diverse range of spring forces.

3. Each actuator specification is complemented with a selection of spring options, effectively catering to a broad spectrum of valve sizes.

4. Two sophisticated handwheel mechanisms are available: top-mounted and side-mounted. The side-mounted version is particularly convenient, as it can be fully detached from the actuator for seamless installation.

5. The connection system between the actuator and the valve incorporates a compression plate and sleeve structure, simplifying installation and allowing for swift on-site replacement of packing.

Actuator Options

1. Adjustable Upper Stroke Limiter: Specifically designed to restrict the upward movement of the actuator.

2. Adjustable Lower Stroke Limiter: Specifically designed to restrict the downward movement of the actuator.

3. Top-Mounted Handwheel Mechanism

4. Side-Mounted Handwheel Mechanism

5. Low and High-Temperature Actuators:Engineered to thrive under particular environmental conditions. Designed for specific environmental conditions.

6. Low-Temperature Actuators: Tailored for environments where temperatures range from -60°C to 70°C.

7. High-Temperature Actuators: Tailored for environments where temperatures range from -20°C to 100°C.

8. Actuator Locking Device:An essential feature that guarantees the actuator stays in a locked position during maintenance, aligning with its fail-safe position. Ensures the actuator remains in a locked position during maintenance, which corresponds to the fail-safe position of the actuator.

9. Remote Venting: In scenarios where natural gas or other potentially hazardous gases serve as the pneumatic power source for the actuator, it is crucial to equip the actuator housing with a sophisticated venting device. This ensures the prevention of gas accumulation, safeguarding both the equipment and the environment.

10. Additional Control Circuit Accessories: Positioner, pressure regulator, solenoid valve, limit switch, locking valve, booster: Enhance the functionality and precision of your actuator system with a comprehensive suite of additional control circuit accessories. These meticulously engineered components, including positioners, pressure regulators, solenoid valves, limit switches, locking valves, and boosters, are designed to deliver impeccable control and reliability, optimizing the performance of your application.

 

Production application

Company Profile

SNT Machinery (Qingdao) Co., Ltd, a leading innovator in control valve solutions, seamlessly integrates manufacturing, design, sales, and service. With a strategic location in Qingdao, Shandong province, spanning an expansive 42,000m², we are equipped with state-of-the-art workshops and production facilities. As a high-tech enterprise boasting independent intellectual property rights and embracing cutting-edge management alongside production expertise, we have swiftly advanced from a solid foundation. Comprising over 150 dedicated employees, our team includes 15% R&D specialists and 30% holders of graduate or higher degrees. Our commitment to quality production management and innovative technology fuels the creation of premium valves for petrochemical, oil, and coal chemical industries. Achieving a remarkable sales value approaching 100 billion in 2017, we continue to excel.

SNT proudly holds the TS special equipment manufacturing certificate and ISO 9001, alongside prestigious qualifications from SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our technological innovations have earned us numerous national patents. We excel in designing and manufacturing a comprehensive range of valves conforming to ANSI, API, DIN, BS, and JIS standards. By blending global valve expertise with our proprietary research, we manufacture an extensive assortment of valves. Our offerings include GLOBE, High Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, Eccentric Rotary Valves, and Three-eccentric Center Butterfly Valves, among others.
Our impressive portfolio further extends to 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 versatile driving forms span manual, power-driven, pneumatic, and hydraulic operations. The main components employ materials like A216WCB, A217 WC6/WC9, A351 CF8/CF8M/CF3/CF3M. Specifications range from 1/2" to 120" with working pressures of ANSI 150# to 2500#, and temperatures from -196ºC to 1100ºC.

Leveraging our cutting-edge production technology and robust quality assurance system, SNT valves are trusted by diverse industries including petrochemical, oil, steel & iron, paper manufacturing, and power stations. Esteemed clients such as SINOPEC QILU, SINOPEC Qingdao, CNOOC Huizhou Refinery, PETROCHINA Guangxi, PETROCHINA Ningxia, and more, rely on our superior solutions to power their operations.

At SNT, our client's success is our priority. We are dedicated to crafting exceptional quality and a prestigious brand. Our comprehensive quality assurance and after-sales systems ensure that SNT valves forge prosperous partnerships with our valued customers, driving mutual success and growth.