Durable Multi-Spring Pneumatic Diaphragm Actuators with Stamped 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

 

^{Introducing the 1-X280 Series Straight-Stroke Pneumatic Diaphragm Actuator, a marvel of engineering from SNT Machinery (Qingdao) Co., Ltd. This innovative actuator boasts a cutting-edge multi-spring structure, available in both positive and negative action forms. With a simple spring reset, achieving the desired fault position of the valve has never been easier. Seamlessly integrated with straight-stroke valves, this actuator excels in the precise control and adjustment of process parameters. It offers an impressive maximum stroke of 76mm, combining high performance with attributes like light weight, sizeable thrust, and a remarkably straightforward design. Elevate your operational capabilities with this state-of-the-art actuator.
Discover the unparalleled precision of the 1-X250 Series Straight-Stroke Pneumatic Diaphragm Actuator, another exceptional creation by SNT Machinery (Qingdao) Co., Ltd. This actuator features a sophisticated single-spring structure, tailored primarily for extensive stroke control with a commanding maximum reach of 250mm. Outperforming traditional pneumatic piston actuators, it delivers superior adjustment accuracy and reduced weight, perfect for cutting applications. Equipped with a pneumatic valve, speed increaser, and fast discharge valve, this actuator ensures rapid cutting with exceptional efficiency. Experience cutting-edge technology with a minimum fast cutting time of just 1 second, making it an essential tool for advanced industrial operations.}

 

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>Remarkable Longevity for Extended Use
The membrane cover boasts a high-grade stamped steel construction, enhanced with a galvanized and painted finish to resist corrosion effectively. The durable paint finish ensures it remains intact without peeling, safeguarding the actuator's integrity.
Crafted from top-quality cast or forged steel, the actuator bracket is engineered for exceptional strength and dependability, promising a firm and stable structure.
The diaphragm, made from premium neoprene, is expertly designed to resist aging and chemical damage, maintaining its form and functionality even under continuous stress.
The push rod features AISI420 material, with an extruded and nickel-plated surface offering a high level of finish and supreme resistance to corrosion, ensuring longevity.
The guide bushing, crafted from aluminum bronze, excels in providing excellent guidance while minimizing deformation at low temperatures, thus guaranteeing superior air chamber sealing.
Ingeniously sealed with an A-type sealing ring, the connection between the push rod and the bracket effectively prevents oil, sand, or dirt infiltration, ensuring optimal performance.

Unmatched Application Flexibility
Ingenious design ensures all positive and reaction components are easily interchangeable, providing seamless adaptability.
The versatile spring installation position can be adjusted according to the stroke, with the integrally cast aluminum tray offering two convenient mounting positions-high and low. This flexibility allows for the easy installation of 3, 4, or 6 springs.
to customize different spring ranges, catering to diverse operational demands.
Every actuator specification comes with a diverse array of travel springs, accommodating a wide range of valve diameters for maximum versatility.
Choose between two distinct handwheel mechanisms: the elegant top-mounted handwheel and the practical side-mounted handwheel, each offering unique advantages.
The side-mounted handwheel is particularly noteworthy, as it can be completely
detached from the actuator, facilitating effortless installation. The innovative connection between the actuator and the valve utilizes the
pressing plate and sleeve structure, simplifying on-site packing replacement and installation.</sup>

<sup>Customizable Options for Tailored Solutions

Fine-tune your actuator's performance with an adjustable upper travel limit, ensuring precise control over upward actuator movement.
Adjustable lower travel limit allows for meticulous regulation of downward actuator travel.
Top-mounted handwheel mechanism for intuitive operation.
Side-mounted handwheel mechanism, offering enhanced accessibility.
Specialized actuators for both low-temperature and high-temperature environments, designed to excel in specific ambient conditions.
Low-Temperature Actuators Operating Range:
-60 to 70 ºC, engineered for extreme chill.
High-Temperature Actuators Operating Range: -20 to 100 ºC, built to withstand intense heat.
Ensure safety during maintenance with the actuator locking device, designed to secure the actuator in a locked position, mirroring the fault position for added reliability.
Comprehensive control with position transmitter, manual mechanism, maximum and minimum adjustable mechanical limits, and more.
Additional accessories to enhance control circuits, including positioner, pressure reducing valve, solenoid valve, limit switch, lock valve, booster, amplifier, and pneumatic valve, tailored for precise operational demands.</sup>

Diverse Actuator Spring Ranges (psi) for Optimal Customization

1-X280 Series with a Convenient Side Handwheel


1-X280 Series Comprehensive Dimensions & Mass Details




Extended Service Life for Unparalleled Durability

1. The diaphragmcovers aremade fromstamped steel featuring a galvanized and painted surface for superior corrosion resistance. The paint's durability ensures it remains intact without peeling off, while the actuator bracket, crafted from cast or forged steel, reinforces its robust and reliable structure.

2. The diaphragm is constructed from neoprene rubber, offering excellent resistance to aging, chemical corrosion, and maintaining its shape under continuous stress.

3. The push rod is made of AISI420 with a nickel-plated surface, providing high smoothness and corrosion resistance.

4. The guide 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 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 parts are universal to ensure interchangeability.

2. The spring installation position can be adjusted according to the stroke. The integrally cast aluminum tray offers two installation positions: high and low, making installation convenient. Meanwhile, 3, 4, or 6 springs can be configured to achieve different spring ranges.

3. Each specification of the actuator comes with various spring options, accommodating a wide range of valve sizes.

4. There are two types of handwheel mechanisms: top-mounted and side-mounted. The side-mounted handwheel, in particular, can be completely detached from the actuator, making installation very convenient.

5. The connection between the actuator and the valve uses a compression plate and sleeve structure, facilitating easy installation and convenient on-site replacement of packing.

Actuator Options

1. Adjustable Upper Stroke Limiter: Used to limit the upward stroke of the actuator.

2. Adjustable Lower Stroke Limiter: Used to limit the downward stroke of the actuator.

3. Top-Mounted Handwheel Mechanism

4. Side-Mounted Handwheel Mechanism

5. Low and High-Temperature Actuators: Designed for specific environmental conditions.

6. Low-Temperature Actuators: Suitable for environments with temperatures ranging from -60°C to 70°C.

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

8. Actuator Locking Device: Ensures the actuator remains in a locked position during maintenance, which corresponds to the fail-safe position of the actuator.

9. Remote Venting: When natural gas or other hazardous gases are used as the actuator's air source, the actuator housing should be equipped with a venting device to prevent gas accumulation.

10. Additional Control Circuit Accessories: Positioner, pressure regulator, solenoid valve, limit switch, locking valve, booster - Enhance the efficiency and precision of your system with our premium range of control circuit accessories, meticulously designed to meet your operational needs. These components ensure maximum reliability and seamless integration for optimal performance of the Durable Multi-Spring Pneumatic Diaphragm Actuators with Stamped Steel Cover, brought to you by SNT Machinery (Qingdao) Co., Ltd.

 

Production application

Company Profile

SNT Machinery (Qingdao) Co., Ltd is a distinguished leader in the realm of control valve production, seamlessly integrating manufacturing, design, sales, and services into one cohesive entity. Embarking on a journey marked by high ambitions and swift growth, SNT is strategically positioned in the vibrant city of Qingdao, Shandong Province, encompassing a sprawling area of 42,000 square meters. This facility boasts a cutting-edge workshop and state-of-the-art production equipment. As a high-tech enterprise, SNT proudly holds independent intellectual property rights and gains insights from global management and production advancements. The company thrives with a dedicated workforce of over 150 professionals, where 15% are R&D specialists, and 30% hold graduate or higher degrees. With an exceptional production management team and pioneering R&D, SNT excels in mass-producing high-quality valves predominantly employed in the petrochemical, oil, and coal chemical sectors, achieving an impressive sales milestone of nearly 100 billion in 2017.

SNT has proudly secured the TS Special Equipment Manufacturing Certificate and ISO 9001 certification, along with the prestigious net qualification certificates from industry giants such as SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our technological prowess is recognized with numerous National Patents. We adeptly design and manufacture a comprehensive range of valves, adhering to ANSI, API, DIN, BS, and JIS standards. Merging the best attributes of renowned global valve designs with our independent R&D, SNT offers a diverse array of valves, including GLOBE valves, High-Pressure Boiler Blow-down Valves, High-Performance Butterfly Valves, Angle-regulating Valves, Eccentric Rotary Valves, and T Three-eccentric Center Butterfly Valves.
Valves, V Ball Valves, High Wear-resistant Ball Valves, High-Pressure Steam Valves, Micro-flow Control Valves, Self-operated Control Valves, and Cryogenic Valves are among our extensive offerings. We cater to various driving forms, such as manual, power-driven, pneumatic, and hydraulic. The main components are crafted from premium materials like A216WCB, A217 WC6/WC9, A351 CF8/CF8M/CF3/CF3M, ensuring durability and reliability. Our specifications range from 1/2" to 120", with working pressures from ANSI 150# to 2500#, and working temperatures spanning -196ºC to 1100ºC.

Leveraging advanced production technology management and a robust quality assurance system, SNT Valves have become indispensable in industries like petrochemical, oil, steel & iron, paper manufacturing, and power stations. Our esteemed clientele includes SINOPEC QILU Branch, SINOPEC Qingdao Branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi Branch, PETROCHINA Ningxia Branch, and SINOPEC Changling Branch, among others.

Prioritizing our users' profits and satisfaction, we dedicate ourselves to crafting excellence in quality and building a reputable brand. Our flawless quality assurance and comprehensive after-sales systems ensure that SNT Valves forge lasting partnerships with our clients, driving success and prosperity together.