Advanced Multi-Spring Pneumatic Diaphragm Actuators with Painted Surface

• 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 remarkable 1-X280 series straight-stroke pneumatic diaphragm actuator, proudly featuring a sophisticated multi-spring structure, is designed to cater to both positive and negative action configurations. Effortlessly achieving the desired fault position for the valve through spring reset, this actuator integrates seamlessly with straight-stroke valves, offering unparalleled control and fine-tuning of process parameters. With an impressive maximum stroke of 76mm, this high-performance pneumatic actuator boasts a lightweight design, substantial thrust, and a simple yet efficient structure, promising exceptional operational excellence.
The innovative 1-X250 series straight-stroke pneumatic diaphragm actuator, characterized by its single-spring structure, is specifically tailored for long-stroke control applications with an outstanding maximum stroke of 250mm. Offering superior adjustment precision and featherlight design, this actuator shines in cutting scenarios when compared to pneumatic piston actuators. Equipped with a pneumatic valve, speed increaser, and fast discharge valve, it facilitates rapid cutting with remarkable efficiency, achieving a minimum fast cutting time of just 1 second. This actuator is engineered to deliver swift and precise control for demanding applications.}

 

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>Extended Longevity for Optimal Performance
Crafted with precision, the membrane cover is constructed from high-quality stamped steel. It boasts a dual-layer of galvanized and painted surface, providing excellent protection against corrosion. The paint remains firmly intact, ensuring enduring aesthetics and functionality.
The actuator bracket, available in either cast steel or forged steel, offers superior strength and reliability, forming a steadfast foundation for the entire actuator system.
Constructed from premium neoprene, the diaphragm exhibits outstanding resilience against aging, chemical exposure, and maintains its form under continuous stress, promising long-term reliability.
The push rod material is the superior AISI420, finished with a nickel-plated surface after extrusion, providing a high-gloss appearance and exceptional resistance to corrosion.
Designed for precision guiding, the guide bushing is made from durable aluminum bronze, ensuring minimal deformation at low temperatures and maintaining a perfect seal in the air chamber.
An A-type sealing ring fortifies the lower connection between the push rod and bracket, effectively preventing the intrusion of oil, sand, or dirt, thus enhancing operational integrity.

Versatile Application Flexibility
All positive and reactive components are designed for easy interchangeability, adding versatility.
The spring installation is customizable; adjust it according to the required stroke. The integrally cast aluminum tray offers two convenient installation positions, high and low. Moreover, the option to install 3, 4, or 6 springs provides adaptability to various requirements,
yielding different spring ranges tailored to specific needs.
With multiple travel spring specifications available, the actuator can accommodate a wide array of valve diameters, enhancing its adaptability.
Available in two variations, the handwheel mechanism can be top-mounted or side-mounted. The side-mounted handwheel, in particular, can be completely detached from the actuator,
making installation and maintenance incredibly convenient.
The connection between the actuator and the valve employs a
pressing plate and sleeve structure, facilitating straightforward installation and on-site packing replacement.</sup>

<sup>Options for Enhanced Performance

Adjustable Upper Travel Limit: Precisely control the actuator's upward travel for refined operation.
Adjustable Lower Travel Limit: Set limits for downward travel to optimize performance and safety.
Top-Mounted Handwheel Mechanism: Provides easy access and control.
Side-Mounted Handwheel Mechanism: Offers flexibility in operation and ease of use.
Specialized Low-Temperature and High-Temperature Actuators: Designed to perform effectively in specific ambient temperature conditions.
Low-Temperature Actuator Operating Temperature Range:
-60 to 70 ºC for robust performance in extreme cold.
High-Temperature Actuator Operating Temperature Range: -20 to 100 ºC, ensuring reliability in high-heat environments.
Actuator Locking Device: Secures the actuator in a locked position during maintenance, mirroring the actuator fault position for safety.
Position Transmitter, Manual Mechanism, Maximum Adjustable Mechanical Limit, Minimum Adjustable Mechanical Limit: Essential for precision control.
Additional Control Circuit Accessories: Enhance your system with components like positioners, pressure reducing valves, solenoid valves, limit switches, lock valves, boosters, amplifiers, and pneumatic valves.</sup>

Actuator Spring Ranges (psi)

1-X280 SERIES SIDE HANDWHEEL


1-X280 Series Overall Dimensions & Mass




Extended Service Life for Unmatched Reliability

1. The diaphragm cover is manufactured with stamped steel featuring a galvanized and painted finish to resist corrosion. The durable paint remains intact, ensuring long-lasting performance. The actuator bracket is crafted from cast or forged steel, providing a robust and reliable structure for enduring support.

2. The diaphragm, a crucial component, is crafted with precision and constructed from high-quality neoprene rubber, this material provides exceptional resistance to aging and chemical corrosion. It maintains its shape and integrity even under continuous stress, ensuring long-lasting performance and reliability.

3. The push rod, a pivotal element, is made of durable AISI420 stainless steel with a nickel-plated surface, which provides superior smoothness and resistance to corrosion, assuring optimal operation and extended lifespan.

4. The guide bushing, an integral part of the assembly, is made from robust aluminum bronze, offering excellent guidance and minimal deformation even at low temperatures. This ensures optimal air chamber sealing and reliable performance.

5. For the sealing integrity, an A-type sealing ring is meticulously placed below the connection point of the push rod and bracket to effectively prevent the intrusion of oil, sand, or dirt, preserving the actuator's functionality and cleanliness.

Application Flexibility

1. All direct-acting and reverse-acting parts are universally designed to ensure complete interchangeability, allowing for seamless integration and adaptability to various systems.

2. The spring installation position is ingeniously adjustable according to the stroke. The integrally cast aluminum tray provides two installation positions: high and low, making the installation process exceptionally convenient. Meanwhile, 3, 4, or 6 springs can be effortlessly configured to achieve a range of different spring configurations, catering to diverse operational requirements.

3. Each specification of the actuator is equipped with various spring options, accommodating a wide range of valve sizes and enhancing application versatility.

4. Enjoy the convenience of two types of handwheel mechanisms: top-mounted for easy access, and side-mounted, which can be completely detached from the actuator for even greater ease of installation.

5. The connection between the actuator and the valve utilizes an innovative compression plate and sleeve structure, facilitating straightforward installation and convenient on-site packing replacement.

Actuator Options

1. Adjustable Upper Stroke Limiter: A precision tool used to limit the upward stroke of the actuator, ensuring operational accuracy.

2. Adjustable Lower Stroke Limiter: Designed to restrict the downward stroke of the actuator, offering precise control.

3. Top-Mounted Handwheel Mechanism: Ergonomically designed for user convenience.

4. Side-Mounted Handwheel Mechanism: Easily detachable for effortless installation.

5. Low and High-Temperature Actuators: Tailored to perform in specific environmental conditions.

6. Low-Temperature Actuators: Specifically crafted for cold environments ranging from -60°C to 70°C, ensuring reliable performance.

7. High-Temperature Actuators: Engineered for environments with temperatures spanning from -20°C to 100°C, maintaining efficient operation.

8. Actuator Locking Device: Guarantees the actuator remains securely locked during maintenance, corresponding to the fail-safe position, enhancing safety and reliability.

9. Remote Venting: In cases where natural gas or other hazardous gases serve as the actuator's air source, the actuator housing is equipped with a venting device to mitigate gas accumulation, ensuring safety.

10. Additional Control Circuit Accessories: P9959d8c5

 

Production application

Company Profile

SNT Machinery (Qingdao) Co., Ltd. stands as a beacon of innovation and quality in the realm of control valve production. By seamlessly integrating manufacturing, design, sales, and service, we have established ourselves at the forefront of the industry. Nestled in the vibrant city of Qingdao, Shandong province, our expansive facility spans 42,000 square meters and boasts state-of-the-art workshops and production equipment. Recognized as a high-tech enterprise, we pride ourselves on possessing independent intellectual property rights while adopting cutting-edge management and production techniques from around the globe. With a dynamic team comprising over 150 dedicated professionals-15% specializing in Research and Development, and 30% holding graduate or higher degrees-we continuously push the boundaries of innovation. Our emphasis on quality and pioneering technology has enabled us to produce top-tier valves that serve the petrochemical, oil, and coal chemical industries with distinction. Achieving a remarkable sales value approaching 100 billion in 2017 is a testament to our unwavering commitment to excellence.

SNT has proudly secured the prestigious TS special equipment manufacturing certificate along with ISO 9001 accreditation. Moreover, we've obtained net qualification certifications from industry giants such as SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our commitment to innovation is underscored by numerous National Patents across various technologies. We have the capability to design and manufacture an extensive range of valves adhering to ANSI, API, DIN, BS, and JIS standards. By amalgamating the strengths of globally renowned valves and leveraging our proprietary research and development, we are equipped to produce a comprehensive selection of valves. Our offerings include GLOBE Valves, High Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, and Eccentric Rotary Valves, among others.
Discover our expansive range of expertly crafted valves, encompassing V Ball Valves, High Wear-resistant Ball Valves, High Pressure Steam Valves, Micro-flow Control Valves, Self-operated Control Valves, and Cryogenic Valves, to name a few. Our diverse driving forms include manual, power-driven, pneumatic, and hydraulic operations. The main components are meticulously constructed from premium materials like A216WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M, ensuring exceptional durability and performance. With specifications ranging from 1/2" to 120", and withstanding working pressures of ANSI 150# to 2500#, our valves are engineered to excel under temperatures from -196ºC to 1100ºC.

Underpinned by advanced production technology management and a robust quality assurance system, SNT Valves are trusted across a spectrum of demanding industries, including petrochemical, oil, steel & iron, paper manufacturing, and power stations. Our esteemed clientele includes leading enterprises such as SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, and PETROCHINA Ningxia branch, among others, who rely on our products for their critical operations.

At SNT, we prioritize the prosperity of our customers, dedicating ourselves to the establishment of unparalleled quality and a distinguished brand reputation. Our comprehensive quality assurance and after-sales support systems are designed to ensure that SNT Valves are more than just a product-they are a partnership in success, crafted to forge a prosperous future hand in hand with our clients.