Advanced Multi-Spring Pneumatic Diaphragm Actuators with Stamped Steel Design

• 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 innovative 1-X280 series straight-stroke pneumatic diaphragm actuator from SNT Machinery (Qingdao) Co., Ltd. revolutionizes control solutions with its advanced multi-spring structure. Designed with versatility in mind, this actuator offers both positive and negative action configurations. Effortlessly achieving the desired fault position of the valve is a breeze, thanks to the reliable spring reset mechanism. Seamlessly pairing with straight-stroke valves, this actuator is your go-to for precise control and fine-tuned adjustment of critical process parameters. Reaching a remarkable maximum stroke of 76mm, it is a powerhouse of performance packed into a lightweight form. Experience unparalleled thrust, a streamlined structure, and an array of distinctive features that make it a leader in high-performance pneumatic actuation.
The dynamic 1-X250 series straight-stroke pneumatic diaphragm actuator is engineered with a pioneering single-spring design. Tailored for long-stroke control applications, this actuator can achieve an impressive maximum stroke length of 250mm. Compared to traditional pneumatic piston actuators, it excels with superior adjustment precision and a lightweight profile, ensuring effortless operation even in cutting scenarios. Equipped with a pneumatic valve, speed increaser, and fast discharge valve, this actuator delivers rapid cutting capabilities with swift precision. Achieving a minimum cutting time of just 1 second, it sets a new standard in efficiency and performance for SNT Machinery's cutting-edge solutions.}

 

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 unparalleled durability and performance with our Advanced Multi-Spring Pneumatic Diaphragm Actuators, engineered for long-lasting service.
Crafted from stamped steel, the membrane cover boasts a dual-layer finish of galvanized coating and paint, providing exceptional corrosion resistance and ensuring the paint remains intact and vibrant.
The actuator bracket is composed of either cast steel or forged steel, offering a foundation that is both robust and dependable for demanding applications.
Our diaphragm, made from high-quality neoprene, stands resilient against aging, chemicals, and stress, providing superior reliability and performance.
The push rod, crafted from AISI420, features a nickel-plated, extruded surface, combining a high-quality finish with exceptional corrosion resistance for optimal performance.
An aluminum bronze guide bushing ensures precise guidance with minimal deformation, even at low temperatures, maintaining a perfect seal in the air chamber.
Sealed with an A-type ring, the lower connection between the push rod and bracket is highly protected from oil, sand, and dirt infiltration, maintaining operational integrity.

Application Flexibility
Designed for versatility, all positive and reaction components are fully interchangeable, allowing for a customized and adaptable setup.
Installation is made easy with adjustable spring positions catering to various strokes, featuring dual mounting options - high and low - on the integrally cast aluminum tray.
Achieve optimal performance across a range of applications by selecting from 3, 4, or 6 spring configurations, each providing unique spring ranges.
Each actuator specification supports a wide array of travel springs, accommodating diverse valve diameters with ease.
Choose between top-mounted or side-mounted handwheel mechanisms. The standout side-mounted handwheel offers complete detachment from the actuator for convenient handling.
This design ensures straightforward installation, enhancing user convenience and operational efficiency.
The actuator-to-valve connection employs an innovative pressing plate and sleeve structure, facilitating quick and easy onsite packing replacements.
This allows for efficient maintenance and reduces downtime, maintaining seamless operations.</sup>

<sup>Options

Fine-tune your actuator's performance with an adjustable upper travel limit, controlling upward movement with precision.
An adjustable lower travel limit provides precise control over downward movement, enhancing operational accuracy.
Top-mounted handwheel mechanism offers straightforward manual control and customization.
Side-mounted handwheel mechanism provides an innovative control solution, easily detachable for flexible use.
Opt for low-temperature or high-temperature actuators, specifically designed to thrive in challenging ambient conditions.
Low-Temperature Actuators: Tailored for extreme cold environments, operating efficiently between -60 to 70 ºC.
- 60 ~70 ºC.
High-Temperature Actuators: Built to withstand and operate effectively in high heat, with a range of -20 to 100 ºC.
Ensure maintenance safety with an actuator locking device that secures the position during maintenance, aligning with fault settings for reliability.
Enhance control with options like position transmitters, manual mechanisms, and adjustable mechanical limits for tailored operational precision.
Expand functionality with an array of control circuit accessories, including 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




Service Life

1. The diaphragm cover is meticulously craftedfrom stamped steel, providing an external surface that is both galvanized and painted.This dual-layer protection ensures superior corrosion resistance.The paint is engineered for durability, designed to resist peeling, while the actuator bracket's cast or forged steel composition ensures a robust, reliable structure.

2. The diaphragm at the heart of this actuator is meticulously engineerediaphragm serves as a pivotal component, ensuring efficient performance. is constructed from neoprene rubber, a material choice that endows it with outstanding durability against the ravages of time, chemical corrosion, and deformation-maintaining its integrity even under the relentless pressures of continuous operation.

3. The pushush rod is made of premium AISI420 steel, enhanced with a sleek nickel-plated surface. This meticulous design choice ensures unrivaled smoothness while offering formidable resistance to corrosion.

4. The guideuide bushing is made from resilient aluminum bronze, promising exceptional guidance and minimal distortion in low-temperature conditions. This precision engineering is crucial for maintaining optimal air chamber sealing.

5. For the sealing mechanismealing, an A-type sealing ring is strategically positioned below the push rod and bracket connection point, acting as a formidable barrier against the ingress of oil, sand, and dirt.

Application Flexibility

1. Universality is key: All direct-acting and reverse-acting components boast a universal design to ensure interchangeability, offering seamless adaptability across applications.

2. The adjustable spring installation adapts effortlessly to varying stroke requirements, bolstered by an integrally cast aluminum tray that provides dual mounting options: high and low, streamlining installation. Meanwhile, 3, 4, or 6 spring configurations are available to achieve versatile spring ranges.

3. Every actuator specification is equipped with an assortment of spring options, accommodating a diverse array of valve sizes with ease.

4. Two handwheel mechanisms offer unrivaled convenience: the top-mounted and the innovative side-mounted, which can be fully detached from the actuator, ensuring hassle-free installation.

5. The connection between the actuator and valve features a compression plate and sleeve structure, simplifying installation and facilitating swift on-site packing replacement.

Actuator Options

1. Adjustable Upper Stroke Limiter: Tailored to limit the upward travel of the actuator, enhancing control precision.

2. Adjustable Lower Stroke Limiter: Designed to cap the downward movement of the actuator, offering refined adjustment.

3. Top-Mounted Handwheel Mechanism: A user-friendly interface for manual adjustments.

4. Side-Mounted Handwheel Mechanism: Offers remarkable flexibility and adaptability in diverse installations.

5. Low and High-Temperature Actuators: Crafted for extreme environmental conditions, ensuring reliable performance..

6. Low-Temperature Actuators: Excellently suited for environments with temperatures spanning -60°C to 70°C, ensuring consistent operation.

7. High-Temperature Actuators: Perfectly designed for environments with temperatures from -20°C to 100°C, delivering robust performance.

8. Actuator Locking Device: Guarantees that the actuator remains securely locked during maintenance, aligning with the fail-safe position mandates.

9. Remote Venting: When dealing with natural gas or other hazardous gases as the actuator's air supply, equip the actuator housing with a venting device to avert hazardous gas accumulation.

10. Additional Control Circuit Accessories: Positioner, pressure regulator, solenoid valve, limit switch, locking valve, booster, and other essential components designed to enhance the functionality and precision of our Advanced Multi-Spring Pneumatic Diaphragm Actuators with Stamped Steel Design.

 

Production application

Company Profile

SNT Machinery (Qingdao) Co., Ltd. stands as a premier producer of advanced control valves, expertly combining manufacturing, innovative design, dynamic sales, and comprehensive services under one esteemed umbrella. Poised at a high starting point, SNT is rapidly developing and is strategically located in the vibrant city of Qingdao, Shandong province. Spanning an impressive 42,000 square meters, our facility boasts state-of-the-art workshops and cutting-edge production equipment. As a recognized high-tech enterprise, we proudly hold independent intellectual property rights, bolstered by the incorporation of top-tier management and production expertise from across the globe. Our dedicated workforce exceeds 150 professionals, with R&D specialists making up 15% and 30% holding graduate or higher degrees, underscoring our commitment to innovation and excellence. Leveraging a top-tier production management team and pioneering technological advancements, we manufacture a significant volume of exceptional quality valves. These are prominently utilized in the petrochemical, oil, and coal chemical sectors. In 2017, our sales soared to nearly 100 billion, reflecting our industry's trust in our superior products.

Today, SNT proudly holds the TS Special Equipment Manufacturing Certificate and is certified with ISO 9001. We are recognized with net qualification certificates from industry giants SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our technological prowess is further evidenced by multiple National Patents. With the capability to design and manufacture a comprehensive assortment of valves adhering to international standards such as ANSI, API, DIN, BS, and JIS, we blend global valve technologies with our independent R&D initiatives. This enables us to produce an extensive array of valves, including GLOBE, High Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, and Eccentric Rotary Valves, effectively meeting diverse industry needs.
Our product range 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, and Cryogenic Valves, among others. We offer versatile driving forms such as manual, power-driven, pneumatic, and hydraulic drives. Key components are expertly crafted from high-quality materials including A216WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M. Our products accommodate specifications from 1/2" to 120", operate under working pressures of ANSI 150# to 2500#, and efficiently function in temperatures ranging from -196ºC to 1100ºC.

Harnessing advanced production technology management and a robust quality assurance system, SNT Valves have gained widespread acceptance across industries such as petrochemical, oil, steel & iron, pulp and paper, and power stations. Our esteemed clientele includes SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, SINOPEC Qingdao Refinery, and beyond. Each partnership is a testament to our unwavering commitment to excellence and reliability in every valve we deliver.

At SNT, we prioritize our customers' success, dedicating ourselves to building a brand synonymous with outstanding quality. Our impeccable quality assurance and dedicated after-sales service systems ensure that SNT valves stand as a beacon of trust and prosperity for all our partners. We are committed to forging strong alliances with our customers, paving the way for shared growth and success.