Durable Long Stroke Pneumatic Diaphragm Actuators in Stamped Steel Cover

• Customization: Available
• Brand: Snt
• Power: Pneumatic
• Model NO.: 1-X250
• Adjusted Form: Linear Stem
• 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
• Connection Point of The Push Rod and Bra: a-Type Sealing Ring
• Type: Linear Stem Motion Type 1-X250
• Actuator Size: D465/D640
• Max.Output N N.M: 12348-56484
• Air Supply(Psi): 40.50.60
• Action: Da(Diresct Action)/Ra(Reverse Action)
• Low-Temperature Actuators: Temperatures Ranging From -60 to +70 Degree
• High-Temperature Actuators: Temperatures Ranging From -20 to 100 Degree
• Transport Package: Foam and Carton Box
• Trademark: SNT
• Origin: China
• HS Code: 8481804090
• Production Capacity: 50000 Per/Year
• Package Size: 1.00cm * 1.00cm * 0.80cm
• Package Gross Weight: 30.000kg
• Lead Time: 15 days (1 - 50 Pieces) ; To be negotiated ( > 50 Pieces)

Product Description

 

Specifications

 

Type			Linear Stem Motion 1-X250 Series
			D46	D63	D63M
Actuator Size			465	640	640
Max. Output N  N.m		N	12348	28242	56484
		N.M	-	-	-
Air Supply(PSI)			40.50.60
Max.Stroke/Angle			120m	200m	200m
Action			DA(Direct Action) or RA(Reserve Action)
Environment temperature			Standard type:-10°C~+70°C;    Low Temp.service:-40°C~+40°C;  High Temp.service:0~+100°C
Options			Manual handle, Limit SW, Positioner etc.

Product Description

^{The exceptional 1-X250 series linear stroke pneumatic diaphragm actuator boasts a meticulously engineered single-spring structure. In contrast to the 1-X280 series, this product is uniquely crafted for unparalleled long-stroke control capabilities, reaching an impressive maximum stroke of up to 250mm. This, coupled with its sleek design, sets it apart as a top-tier choice for those in need of extended reach. When compared with traditional pneumatic piston actuators, this innovative actuator delivers superior high regulation precision along with a remarkably lightweight design. It offers a perfect balance of efficiency and ease of use that is unmatched in the market today. Furthermore, it is highly adaptable and can beutilized seamlessly in cut-off applications. When paired with advanced pneumatic control valves, boosters, and quick exhaust valves, it achieves extraordinary fast cut-off times, as rapid as a mere 1 second. This ensures not only high performance but also reliability and speed, making it an essential component for efficient operation.}

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

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 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.

1-X250 D63 SIDE HANDWHEEL


1-X250 Series overall dimensions & mass




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: Perfectly engineered to thrive in extreme environments, our actuator operates efficiently in a broad temperature spectrum. This device performs seamlessly in conditions from a frigid -60°C to a sweltering 70°C.

7. High-Temperature Actuators: These actuators are meticulously crafted to withstand high-temperature environments, ranging from -20°C to a blazing 100°C.

8. Actuator Locking Device: This innovative device ensures the actuator remains securely locked during maintenance, aligning with the fail-safe position of the actuator, providing peace of mind and safety.

9. Remote Venting: For scenarios utilizing natural gas or other potentially hazardous gases as the actuator's air supply, the actuator housing is equipped with an advanced venting device. This crucial feature prevents the dangerous buildup of gases, ensuring a safe operation.

10. Additional Control Circuit Accessories: Positioner, pressure regulator, solenoid valve, limit switch, locking valve, booster. These sophisticated accessories enhance control and efficiency, ensuring precision and reliability in every operation.

 

Production application

Company Profile

SNT Machinery (Qingdao) Co., Ltd stands as a premier producer of control valves, seamlessly blending manufacturing, design, sales, and services into a unified powerhouse. Positioned in Qingdao, Shandong province, our expansive 42,000m2 facility boasts state-of-the-art workshops and cutting-edge production equipment. As a high-tech enterprise, we pride ourselves on possessing independent intellectual property rights, complemented by the incorporation of advanced international management and production practices. Our dedicated team comprises over 150 employees, with 15% engaged in R&D and 30% holding graduate or higher degrees. By leveraging a top-tier production management team and pioneering technology research and development, we manufacture an extensive range of superior-quality valves tailored for the petrochemical, oil, and coal chemical sectors. In 2017, our sales soared to nearly 100 billion, a testament to our exceptional standards.

SNT has proudly acquired the TS special equipment manufacturing certificate and ISO 9001 certification, alongside net qualification certificates from industry giants such as SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our commitment to innovation is further evidenced by numerous National Patents in diverse technologies. We excel in designing and fabricating a comprehensive array of valves, adhering to ANSI, API, DIN, BS, JIS standards. Our expertise, combined with the strengths of globally renowned valves and our independent R&D, enables us to produce a wide spectrum of valves, including but not limited to GLOBE, High Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, and Eccentric Rotary Valves.
In addition to V Ball Valves, High Wear-resistant Ball Valves, and High Pressure Steam Valves, SNT offers Micro-flow Control Valves, Self-operated Control Valves, and Cryogenic Valves. Our versatile driving forms encompass manual, power-driven, pneumatic, and hydraulic operations. Constructed from premium materials such as A216WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M, our valves are engineered to meet specifications ranging from 1/2" to 120", withstanding pressures from ANSI 150# to 2500#, and operating in temperatures from -196ºC to 1100ºC.

Our advanced production technology, coupled with a rigorous quality assurance system, ensures that SNT Valves are the preferred choice across varied industries, including petrochemical, oil, steel & iron, paper manufacturing, and power stations. Our esteemed clientele features notable entities such as SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, SINOPEC Qingdao Refinery, and more.

At SNT Machinery, we prioritize our clients' profitability, dedicating ourselves to establishing unparalleled quality and a reputable brand. Our comprehensive quality assurance and after-sales service systems ensure that SNT valves forge prosperous partnerships with all our valued customers.