Cost-Effective Multi-Spring Pneumatic Diaphragm Actuators with Steel Cover

• 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

 

^{Unveiling the 1-X280 Series: A Revolutionary Approach to Pneumatic Actuation! Effortlessly blending innovation with functionality, the 1-X280 series introduces a multi-spring structure for both positive and negative actions, offering versatility tailored to your needs. With an intuitive spring reset system, achieve the desired valve fault position seamlessly. When paired with a straight-stroke valve, it becomes an indispensable tool for precise control and modulation of process parameters. Boasting a maximum stroke of 76mm, experience unmatched performance with its lightweight design, substantial thrust capacity, and straightforward structure.
Introducing the 1-X250 Series: Your Solution for Precision and Long-Stroke Dominance! This cutting-edge actuator employs a single-spring mechanism, distinguishing itself from the 1-X280 series by specializing in extended stroke operations, reaching an impressive 250mm. Experience superior adjustment precision and a lightweight profile compared to traditional pneumatic piston actuators. Ideal for precise cutting scenarios, it comes equipped with a pneumatic valve, speed increaser, and fast discharge valve, facilitating rapid cutting actions with a minimum fast cutting time as swift as 1 second. Revolutionize your control systems with the advanced capabilities of 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>Exceptionally long service life, offering unmatched durability and reliability.
The membrane cover is expertly crafted from stamped steel with a galvanized and painted surface to ensure superior corrosion prevention. Its paint is specially formulated to maintain its integrity, resisting peeling and lasting for years.
Constructed from premium cast steel or forged steel, the actuator bracket boasts a firm and trustworthy structure, providing unwavering support and performance.
The diaphragm, expertly made from neoprene, offers excellent resistance to aging, chemical attacks, and maintains its shape under continuous stress, ensuring longevity and reliability.
Crafted from AISI420, the push rod features an extruded and nickel-plated surface, delivering a high finish and exceptional resistance to corrosion, promising enhanced durability.
The guide bushing, made from aluminum bronze, provides excellent guidance with minimal deformation at low temperatures, ensuring effective sealing of the air chamber for optimal performance.
An A-type sealing ring at the connection's lower part between the push rod and bracket effectively prevents oil, sand, or dirt penetration, maintaining clean and efficient operation.

Application Flexibility
All positive and reaction components are fully interchangeable, providing adaptability and versatility.
The spring installation is remarkably adjustable based on stroke requirements. The integrally cast aluminum tray offers two convenient installation positions, high and low. Additionally, you have the flexibility to install 3, 4, or 6 springs to
achieve the desired range of spring dynamics tailored to your specific needs.
Each actuator specification comes with an array of travel springs, accommodating a wide spectrum of valve diameters for versatile applications.
Two types of handwheel mechanisms are available: top-mounted and side-mounted. Notably, the side-mounted handwheel can be completely
detached from the actuator, allowing for exceptionally convenient
installation; the actuator-valve connection employs a
pressing plate and sleeve structure, ensuring easy on-site installation and packing replacement.</sup>

<sup>Options

Adjustable upper travel limit: precisely controls the actuator's upward travel for tailored operation.
Adjustable lower travel limit: effectively manages the actuator's downward travel, enhancing control.
Top-mounted handwheel mechanism offers ergonomic control.
Side-mounted handwheel mechanism for versatile positioning and operation.
Specialized low-temperature and high-temperature actuators designed for specific environmental conditions.
Low-temperature actuators operating within a range of:
-60 to 70 ºC, ensuring reliable performance.
High-temperature actuators brilliantly operate in conditions from -20 to 100 ºC, providing exceptional versatility.
The actuator locking device ensures secure maintenance positioning, aligning perfectly with fault position stability.
Enhanced control with components like position transmitter, manual mechanism, and adjustable mechanical limits.
Additional accessories include positioners, pressure reducing valves, solenoid valves, limit switches, lock valves, boosters, amplifiers, pneumatic valves, and more, providing comprehensive control solutions.</sup>

Actuator Spring Ranges (psi) offer customizable pressure settings.

1-X280 SERIES SIDE HANDWHEEL: Efficient and user-friendly design.


1-X280 series overall dimensions & mass tailored for optimized fit and performance.




Service Life

1. The diaphragmcover ismade ofstamped steel with a galvanized and painted surface for excellent corrosion resistance. Designed for durability, the paint is resistant to peeling, ensuring lasting aesthetics and performance. The actuator bracket, made from cast or forged steel, provides an exceptionally robust and reliable structural foundation.

2. The diaphragm is expertly engineered using high-quality neoprene rubber. This material choice endows it with remarkable resistance to aging and chemical corrosion, while also maintaining its structural integrity under continuous stress. The diaphragm embodies the perfect balance of strength and flexibility. is constructed from neoprene rubber, offering excellent resistance to aging, chemical corrosion, and maintaining its shape under continuous stress.

3. The push rod is crafted from robust AISI420 stainless steel, enhanced with a nickel-plated surface, ensuring an unparalleled degree of smoothness and exceptional corrosion resistance.ush rod is made of AISI420 with a nickel-plated surface, providing high smoothness and corrosion resistance.

4. The guide bushing is meticulously manufactured using top-tier aluminum bronze, which guarantees superior guidance and minimal deformation even at low temperatures, thus ensuring an excellent seal of the air chamber.uide bushing is made from aluminum bronze, ensuring good guidance and minimal deformation at low temperatures, which maintains good air chamber sealing.

5. For the sealing, an advanced A-type sealing ring is adeptly applied beneath the connection point where the push rod meets the bracket, effectively preventing any intrusion of oil, sand, or dirt, thereby safeguarding the system's integrity.ealing, an A-type sealing ring is used below the connection point of the push rod and bracket to prevent oil, sand, or dirt from penetrating.

Application Flexibility

1. All direct-acting and reverse-acting components are designed to be universally compatible, ensuring effortless interchangeability and serviceability across various applications. to ensure interchangeability.

2. The spring installation can be precisely adjusted to match the stroke requirements. With an integrally cast aluminum tray offering versatile high and low positions, installation becomes remarkably convenient. Meanwhile, 3, 4, or 6 springs can be configured to accommodate varying spring ranges, thus providing an adaptable solution. to achieve different spring ranges.

3. Each actuator specification is available with a variety of spring options, making it suitable for a broad range of valve sizes and enhancing operational flexibility.

4. Two types of handwheel mechanisms are available: top-mounted and side-mounted. The side-mounted handwheel can be effortlessly detached from the actuator, simplifying installation and maintenance.

5. The connection between the actuator and the valve utilizes a sophisticated compression plate and sleeve structure, which facilitates seamless installation and allows for convenient on-site replacement of packing, thus minimizing downtime.

Actuator Options

1. Adjustable Upper Stroke Limiter: This feature limits the actuator's upward stroke, ensuring precise control and operation.

2. Adjustable Lower Stroke Limiter: Limits the downward stroke for enhanced functionality and safety.

3. Top-Mounted Handwheel Mechanism: Offers intuitive and easy operation.

4. Side-Mounted Handwheel Mechanism: Designed for convenient use and optimal space management.

5. Low and High-Temperature Actuators: Engineered to perform impeccably under specific environmental conditions, ensuring reliability and durability.: Designed for specific environmental conditions, these actuators are built to withstand temperature variations..

6. Low-Temperature Actuators: Perfectly suited for harsh environments with temperatures ranging from -60°C to 70°C, guaranteeing consistent performance. Suitable for environments with temperatures ranging from -60°C to 70°C.

7. High-Temperature Actuators: Specifically tailored for conditions with temperatures ranging from -20°C to 100°C, ensuring robustness and endurance.

8. Actuator Locking Device: This essential feature ensures the actuator remains securely locked during maintenance, aligning with the actuator's fail-safe position for enhanced safety.: Ensures the actuator remains in a locked position during maintenance, which corresponds to the fail-safe position of the actuator.

9. Remote Venting: For applications using natural gas or other hazardous gases as the actuator's air source, the housing is equipped with a venting device to effectively prevent gas accumulation, thus enhancing safety.

10. Additional Control Circuit Accessories: Positioner, pressure regulator, solenoid valve, limit switch, locking valve, booster, each meticulously designed to enhance the precision and reliability of your systems. These accessories ensure flawless integration, empowering your operations with unmatched control and efficiency.

 

Production application

Company Profile

SNT Machinery (Qingdao) Co., Ltd. is a dynamic leader in the field of control valve production, seamlessly integrating manufacturing, design, sales, and service. Our journey began with a strong foundation and rapid growth in Qingdao, Shandong province, where our expansive 42,000m² facility houses state-of-the-art workshops and cutting-edge production equipment. As a high-tech enterprise with proprietary intellectual property, we benefit from advanced international management and production expertise. Our dedicated team of over 150 professionals includes 15% R&D specialists and 30% graduates or higher. This synergy of high-caliber production management and pioneering technology enables us to produce exceptional valves for the petrochemical, oil, and coal chemical sectors. In 2017, we achieved an impressive sales milestone, nearing 100 billion.

SNT proudly holds the TS special equipment manufacturing certificate and ISO 9001 accreditation, alongside net qualification certificates from industry giants like SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our commitment to innovation is underscored by numerous national patents. We possess the capability to design and produce a comprehensive range of valves adhering to ANSI, API, DIN, BS, and JIS standards. By leveraging the strengths of globally renowned valves and fostering independent R&D, we now offer an extensive valve portfolio, including GLOBE, High-Pressure Boiler Blow-down Valves, High-Performance Butterfly Valves, Angle-Regulating Valves, Eccentric Rotary Valves, and Three-Eccentric Center Butterfly Valves.
Our expansive valve selection features V Ball Valves, High Wear-Resistant Ball Valves, High-Pressure Steam Valves, Micro-Flow Control Valves, Self-Operated Control Valves, Cryogenic Valves, and more. With versatile driving mechanisms such as manual, power-driven, pneumatic, and hydraulic options, our valves are crafted from premium materials including A216WCB, A217 WC6/WC9, A351 CF8/CF8M/CF3/CF3M. Our specifications range from 1/2" to 120", accommodating pressure ratings of ANSI 150# to 2500# and a wide operating temperature span of -196ºC to 1100ºC.

Backed by sophisticated production technology management and a robust quality assurance system, SNT Valves are trusted by industries including petrochemical, oil, steel & iron, paper manufacturing, and power stations. Esteemed clients like SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, and SINOPEC Changling branch rely on our top-tier solutions to drive their operations, reflecting our unwavering dedication to excellence.

At SNT, we prioritize our clients' success by delivering superior quality and building a reputable brand. Our impeccable quality assurance and comprehensive after-sales services ensure lasting partnerships with our customers, fostering shared prosperity and innovation within the industry.