Versatile Multi-Spring Pneumatic Diaphragm Actuators with 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

 

^{Introducing the exceptional 1-X280 series straight-stroke pneumatic diaphragm actuator, crafted with an innovative multi-spring structure. This series is intelligently designed to offer both positive and negative action modes, providing flexibility in achieving the desired valve fault position effortlessly by utilizing the spring reset mechanism. When paired with a straight-stroke valve, it becomes indispensable for the precise control and adjustment of vital process parameters. Boasting an impressive maximum stroke of 76mm, this high-performance actuator is not only lightweight but also delivers significant thrust and features a sleek, uncomplicated design that makes it an ideal choice for various applications.
Unveiling the 1-X250 series straight-stroke pneumatic diaphragm actuator, engineered with a sophisticated single-spring structure. Tailored for applications requiring long-stroke control, this actuator offers an astounding maximum stroke of 250mm. Compared to traditional pneumatic piston actuators, it stands out with its superior adjustment accuracy and remarkable lightweight build, making it suitable for precision cutting tasks. Equipped with essential components such as a pneumatic valve, speed increaser, and fast discharge valve, it ensures rapid cutting capabilities, achieving a minimum fast cutting time as swift as 1 second, thus proving to be an invaluable asset in demanding environments.}

 

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>Engineered for Endurance: Enjoy extended longevity with our actuators, crafted to withstand the test of time.
Durable Membrane Cover: Our membrane cover, skillfully crafted from stamped steel, boasts a galvanized and painted finish that offers superior corrosion resistance. This ensures lasting protection and maintains its pristine appearance, as the paint is designed to resist peeling.
Reliable Actuator Bracket: Built from either cast steel or forged steel, the actuator bracket offers an unbeatable combination of firmness and reliability, providing steadfast support for optimal performance.
Resilient Diaphragm: Constructed from high-quality neoprene, our diaphragm is designed to resist aging, fend off chemical degradation, and maintain its shape under continuous stress, ensuring long-term durability.
Premium Push Rod Material: The push rod, forged from AISI420, features an extruded and nickel-plated surface. This results in a high-finish, corrosion-resistant product, delivering both durability and aesthetic appeal.
Precision Guide Bushing: Crafted from aluminum bronze, the guide bushing ensures exceptional guidance and minimal deformation even at low temperatures, guaranteeing a superior seal for the air chamber.
Enhanced Sealing: The connection between the push rod and the bracket is secured with an A-type sealing ring, effectively preventing the intrusion of oil, sand, or dirt, thereby safeguarding the integrity of your actuator.

Application Flexibility
Interchangeable Components: All positive and reaction parts are designed for seamless interchangeability, providing adaptable solutions to meet diverse needs.
Adjustable Spring Installation: With a versatile spring installation setup, you can tailor the spring positions according to specific stroke needs. The integrally cast aluminum tray offers two convenient installation positions-high and low-to facilitate easy setup. Additionally, you can choose from 3, 4, or 6 springs to unlock different spring ranges.

Diverse Valve Compatibility: Each actuator specification accommodates a wide array of travel springs, making it adaptable to various valve diameters for enhanced versatility.
Convenient Handwheel Mechanisms: Choose from two types of handwheel mechanisms: the top-mounted handwheel for traditional setups, or the innovative side-mounted handwheel, known for its independence from the actuator, offering unparalleled convenience and ease of installation.

Effortless Installation: The connection between the actuator and the valve is facilitated through a pressing plate and sleeve structure, streamlining the process of on-site packing replacement and installation.</sup>

<sup>Options

Adjustable Upper Travel Limit: Facilitate precise control by limiting the travel of the actuator in the upward direction.
Adjustable Lower Travel Limit: Ensure accurate actuation by setting limits on the downward travel of the actuator.
Top-Mounted Handwheel Mechanism: Offers ease of use and traditional setup for manual actuation.
Side-Mounted Handwheel Mechanism: Provides a modern alternative that enhances user convenience and flexibility.
Temperature-Specific Actuators: Our specialized actuators cater to unique ambient temperature requirements, available in both low-temperature and high-temperature models.
Low-Temperature Actuators Operating Temperature: Expertly designed to function optimally within a range of -60 ~70 ºC.

High-Temperature Actuators Operating Temperature: Tailored for environments ranging from -20 ~100 ºC, ensuring reliable performance even under extreme conditions.
Secure Actuator Locking Device: This feature ensures your actuator stays safely locked in position during maintenance, mirroring the actuator fault position for consistent and safe operation.
Comprehensive Control Options: Includes position transmitter, manual mechanism, maximum and minimum adjustable mechanical limits, offering a broad spectrum of control solutions.
Enhanced Control Circuit Accessories: Equip your system with advanced accessories such as positioners, pressure reducing valves, solenoid valves, limit switches, lock valves, boosters, amplifiers, pneumatic valves, and more, to elevate your control capabilities.</sup>

Actuator Spring Ranges (psi)

1-X280 SERIES SIDE HANDWHEEL


1-X280 Series Overall Dimensions & Mass




Service Life

1. The diaphragm cover is made of stamped steel with a galvanized and painted surface for corrosion resistance. The paint is designed to be durable and not easily peel off. The actuator bracket is made from cast or forged steel, ensuring a robust and reliable structure.

2. The diaphragm is skillfully constructed to withstand various stresses, providing longevity and reliability.Diaphragm is craftedfrom premium neoprene rubber, known for its exceptional resistance to aging and chemical corrosion, and its remarkable ability to maintain shape under continuous stress.

3. The push rodis meticulously crafted from AISI420with an expertly nickel-plated surface, offering superb smoothness and impressive corrosion resistance.

4. The guide bushing is designedfrom sturdy aluminum bronze, ensuring enhanced guidance and minimal deformation at low temperatures, thus maintaining optimal air chamber sealing.

5. For the sealing, an A-type sealing ring is strategically positioned below the connection point of the push rod and bracket, effectively preventing the ingress of oil, sand, or dirt.

Application Flexibility

1. All direct-acting and reverse-acting parts are ingeniously universal to ensureseamless interchangeability.

2. The spring installation position is adjustable according to the stroke. The integrally cast aluminum tray provides two installation positions, high and low, for unparalleled installation convenience. Meanwhile, 3, 4, or 6 springs can be flexibly configured to cater to different spring ranges.

3. Each actuator specification comes with diverse spring options, accommodating a substantial range of valve sizes.

4. Handwheel mechanisms come in two types: top-mounted and side-mounted. The side-mounted handwheel, notably, can be fully detached from the actuator, enhancing installation ease.

5. The connection between the actuator and the valve utilizes a compression plate and sleeve structure, greatly simplifying installation and enabling effortless on-site replacement of packing.

Actuator Options

1. Adjustable Upper Stroke Limiter: Expertly designed to restrict the upward stroke of the actuator.

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

3. Top-Mounted Handwheel Mechanism

4. Side-Mounted Handwheel Mechanism

5. Low and High-Temperature Actuators: Specifically engineered for unique environmental conditions.

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

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

8. Actuator Locking Device: Ensures the actuator remains securely locked during maintenance, aligning with the actuator's fail-safe position.

9. Remote Venting: When utilizing natural gas or other hazardous gases as the actuator's air source, the actuator housing should feature a venting device to avert gas accumulation.

10. Additional Control Circuit Accessories: Positioner, pressure regulator, solenoid valve, limit switch, locking valve, booster

 

Production application

Company Profile

SNT Machinery (Qingdao) Co., Ltd is a distinguished leader in the production of control valves, skillfully integrating manufacturing, design, sales, and service into a seamless entity. Originating with a high starting point and demonstrating rapid development, SNT is strategically positioned in Qingdao, Shandong province, spanning a sprawling 42,000 square meters. The facility is enhanced with state-of-the-art workshops and cutting-edge production equipment. As a high-tech enterprise boasting independent intellectual property rights, SNT has absorbed advanced management and production techniques from abroad. The company proudly employs over 150 dedicated professionals, with 15% specializing in R&D and 30% holding graduate or higher degrees. Leveraging a top-tier production management team and pioneering research and development, SNT produces a vast array of superior quality valves, essential for petrochemical, oil, and coal chemical industries. Remarkably, the sales value soared to nearly 100 billion in 2017.

SNT has achieved the esteemed TS special equipment manufacturing certificate and ISO 9001 accreditation, and has secured the net qualification certificate from SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. With numerous National Patents in various technologies, we are adept at designing and manufacturing an extensive range of valves in adherence to ANSI, API, DIN, BS, and JIS standards. By merging the strengths of renowned valves globally with our proprietary research and development, SNT is capable of producing a diverse collection of valves, including GLOBE, High Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, and Eccentric Rotary Valves.
Our impressive portfolio extends to T Three-eccentric Center Butterfly Valves, V Ball Valves, High Wear-resistant Ball Valves, High Pressure Steam Valves, Micro-flow Control Valves, Self-operated Control Valves, Cryogenic Valves, etc. The driving mechanisms encompass manual operation, power-driven, pneumatic, and hydraulic drive options. Key component materials are A216WCB, A217 WC6/WC9, A351 CF8/CF8M/CF3/CF3M, among others. Specifications range from 1/2" to 120", supporting working pressures of ANSI 150# to 2500#, and temperatures from -196ºC to 1100ºC.

Through reliance on advanced production technology management and a robust quality assurance system, SNT Valves are extensively utilized across petrochemical, oil, steel & iron, paper manufacturing, and power station sectors. Our esteemed clientele comprises SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, and many more, reflecting our wide-reaching influence and trusted reputation.

Placing user profits at the forefront of our mission, we are passionately dedicated to establishing unparalleled quality and a prestigious brand. Our exceptional quality assurance and after-sales systems ensure that SNT valves forge prosperous partnerships with all our valued customers, driving mutual success and growth.