Streamlined Pneumatic Piston Actuator Size 1: 1-X400 P300 (S) for Efficient Workflow

• Customization: Available
• Brand: SMC
• Power: Pneumatic
• Model NO.: 1-X400
• Working Type: Straight Trip
• Pressure: Medium Pressure
• Work Temperature: Normal Temperature
• Acting Type: Double Acting
• Material: Stainless Steel
• Customized: Customized
• Structure: Piston Type
• Size 1: 1-X400 P200(S)
• Size 2: 1-X400 P250(S)
• Size 3: 1-X400 P300(S)
• Size 4: 1-X400 P400(S)
• Size 5: 1-X400 P500(S)
• Mode of Action: Direct Acting/Reverse Acting
• Actuation Mode: Single Acting/Double Acting
• Rated Stroke: 17/25/34/45/60/76/100/120/150/200m
• Air Supply Pressure: 0.3/0.36/0.45MPa
• Spring Range: 0.10~0.20MPa/0.12~024MPa/0.15~0.30MPa
• Top-Mounted Handwheel Specifications: P200(S)/P250(S)/P300(S)
• Side-Mounted Handwheel: P300(S)/P400(S)/P500(S)
• Diaphragm Diameter (mm): 200/250/300/400/500
• Effective Area (Cm²): 230/420/600/920/2480
• Cutoff Times: 1s/2s/3s/4s
• Transport Package: Wooden
• Trademark: SNT
• Origin: China
• HS Code: 8481804090
• Production Capacity: 500000PCS/Year

Product Description

 

Product Parameters

Type			Pneumatic Piston Actuator
Size			1-X400 P200(S)	1-X400 P250(S)	1-X400 P300(S)	1-X400 P400(S)	1-X400 P500(S)
Diaphragm Diameter (mm)			200	250	300	400	500
Effective Area (cm²)			230	420	600	920	2480
Air Supply Pressure			0.30(0.1-0.2) 0.36(0.12-0.24) 0.45(0.15-0.30) MPa
Rated Stroke(mm)			17/25	25/34	34/45	60/76/100	120/150/200
Output Thrust (N)	Single Acting	030(0.1-0.2)Mpa; 036(0.12-0.24)Mpa; 0.45(0.15-0.30)Ppa	2770	4035	6240	11090	17320
			3320	4824	7480	13300	20780
			4160	6036	9350	16620	25970
	Double Acting	0.30 Mpa 0.36Mpa 0.45Mpa	8320	12072	18700	33260	51960
			9970	14484	22450	39900	62340
			12470	18096	28050	49880	77930
^Hysteresis			^≤1%FS(with positioner)- Compliant with GBT4213-97 Standard
Linear			^≤2%FS(with positioner)- Compliant with GBT4213-97 Standard
Air Chamber Seal			Pressure Drop ≤5.0KPa/5min-GBT4213-97 Standard
Service Life			≥100000-Compliant with GBT4213-97 Standard
Envrionment Temperature			Standard Type:-10~+70ººC High Temperature-40~+100ºC
Attachments			Positioner/Filter pressure reducing valve/Speed booster/Solenoid valve pneumatic valve /Stop valve/Speed controller/Limit switch
Optional accessories			Position transmitter/Manual mechanism/Maximum adjustable mechanical limit/Minimum adjustable mechanical limit/Special interface/Specified coating/Connection positioning hole diameter/Push rod extension length/Thread at the connection

 

<sup>The 1-X400 series of linear stroke piston-type pneumatic actuators stand out with their ingenious design, utilizing cold-drawn hydraulic pipes as the resilient cylinder bodies. The advanced honing and extrusion processes significantly diminish the wear on dynamic sealing elements, substantially boosting the actuator's longevity and efficiency. Compared to traditional membrane-type actuators with similar specifications, these actuators deliver enhanced thrust power. With their straightforward architecture, featherlight design, and space-efficient size, they epitomize the pinnacle of high-performance pneumatic linear stroke actuators.

The 1-X400 series linear stroke piston-type pneumatic actuators are engineered for versatility, available in both double-acting and single-acting versions. When paired with linear stroke valves, they prove indispensable for either precise regulation or reliable on-off control. Complete with essential accessories like pneumatic control valves, quick exhaust valves, and pneumatic actuators, they ensure swift operational cutoffs. Experience rapid response times of 1S, 2S, 3S, 4S, and various other levels, ensuring tailored performance.</sup>

Single-action (S.A.) actuators are ingeniously designed with a spring-opposed piston actuated by air pressure, offering notable advantages. In the event of air pressure loss, the compressed spring load seamlessly takes over, executing the fail-safe action by moving the stem to either open or close the valve port, as predetermined by the fail-safe action requirements. This mechanism provides remarkable stability, even when the load on the plug experiences fluctuations.

 

 

 

Conversely, when compared to double-action (D.A.) actuators, single-action models exhibit lower net thrusts, and their overall dimensions tend to increase progressively with heightened supplied air pressure and required stroke.

Double-action actuators with a return spring offer a balanced solution: the full force of air pressure exerted on one side of the piston is adeptly counterbalanced, partly by a compressed spring and partly by the air pressure on the opposite side of the piston, providing a harmonious balance. Thus, achieving a fail-safe action becomes seamless, eliminating the need for complex and potentially unreliable pneumatic apparatus. In addition, the net thrust of air pressure is only marginally diminished by the spring's counteracting force, maintaining optimal performance.

 

Product Description

DESIGN DETAILS

PRESSURE/TEMPERATURE RATING
This sophisticated actuator system boasts an 8 bar pressure rating, signifying both the rated supply pressure of the cylinder and the reliable limit for the tightness of the sliding seals of the piston. To ensure unmatched safety and performance, each actuator undergoes rigorous hydrostatic testing at an impressive 10.5 bar prior to delivery. For continuous, dependable service at 8 bar, refer to the comprehensive table of materials illustrating the temperature limits.

ACTUATOR BODY
The cylinder is crafted meticulously from a precision-engineered steel tube.
Its inner surface is expertly lapped, plated with chromium, and polished to a high shine.
The actuator's robust heads are made from high-quality aluminium or steel cast. These heads are available in various shapes, tailored to meet specific assembly requirements for valves or operations.

For instance, they can be equipped with a fork on the upper or lower head to facilitate pivoting assemblies, such as those needed to effectively actuate butterfly valves.
Additionally, they come with a flange designed for stiff, secure assembly on valve yokes, ensuring reliable operation. This configuration is ideal for actuating globe or angle valves.

PISTON
Crafted from high-strength steel, the piston is a marvel of engineering. It features one (S.A.) or two (D.A.) durable rubber sealing rings, complemented by two (S.A.) or one (D.A.) loaded-teflon guiding skids, ensuring smooth operation and longevity.

STEM
Forged from premium stainless steel, the stem is expertly machined, ground, rolled, and threaded at the exposed end. This actuator stem is intricately linked to the valve stem through a meticulously crafted, two-piece bored and threaded block, securely clamping the threaded ends of both stems together.
For optimal guidance, the stem is supported by a dual bronze bushing in the lower head, which also accommodates a felt ring to clean the stem and a sealing ring to ensure no leakage occurs (except for S.A. direct-acting actuators), enhancing the system's integrity.

Customised execution on request

At SNT, our production is dedicated to creating bespoke solutions that meet an extensive array of customized requirements, including:

• On-off or modulating execution for precise control.
• Specialized designs for offshore environments or in highly aggressive conditions.
• Innovatively designed customized coupling yokes to perfectly fit any type of valve topwork.
• Configurations with mechanical end stop screws for secure positioning in opening, closing, or both directions.
• Rapid response execution for critical applications such as HIPPS or Emergency Shutdown systems.
• Crafted with dampers or special integral quick exhaust valves for optimal performance.
• Innovative subsea designs for underwater applications.

For a detailed technical evaluation of your specific requirements, please reach out to our sales department.

Controls

The 1-X400 actuators can be provided as fully equipped control component packages, meticulously tailored to fulfill customer demands and adhere to technical specifications across various industrial control applications, including on/off, modulating, or ESD services.
Our control designs leverage SNT's profound technical expertise and extensive experience in valve automation, ensuring unparalleled quality and performance.






 

Product Feature

1-X400 Cutting-Edge SERIES CYLINDER PNEUMATIC ACTUATORS
DOUBLE ACTING - Ensure seamless efficiency with dual force application



 

1	BOLT	11	CYLINDER	21	STROKE PLATE
2	ACTUATOR YOKE	12	BOLT	22	STROKE INDICATOR
3	STEM CONNECTOR	13	UPPER CYLINDER COVER	23	SCREW
4	ANTI-ROTATION PLATE	14	WASHER	24	FLANGE
5	SCREW	15	NUT	25	SEAL RING
6	ACTUATOR STEM	16	LIFTING BOLT	26	O-RING
7	BOLT	17	WASHER	27	GUIDING BUSHING
8	LOWER CYLINDER COVER	18	NUT	28	O-RING
9	O-RING	19	O-RING	29	O-RING
10	PISTON	20	GUIDING	30	SCREW

1-X400 State-of-the-art SERIES CYLINDER PNEUMATIC ACTUATORS
SINGLE ACTING (DIRECT - AIR TO CLOSE) - Efficient and reliable operation with direct air closure



 

1	BOLT	21	NUT	41	SCREW
2	ACTUATOR YOKE	22	O-RING	42	STROKE INDICATOR
3	STEM CONNECTOR	23	SCREW	43	O-RING
4	ANTI-ROTATION PLATE	24	YOKE	44	WASHER
5	SCREW	25	O-RING	45	WASHER
6	ACTUATOR STEM	26	LEAD SCREW	46	LOCKNUT
7	BOLT	27	BOLT	47	BEARING
8	LOWER CYLINDER COVER	28	BEVEL GEARBOX	48	PIN
9	SCREW	29	O-RING	49	BEARING STEM
10	SPRING GUIDING	30	GUIDING	50	PIN
11	NUT	31	O-RING	51	O-RING
12	SPECIAL NUT	32	SPRING SEAT	52	SEAL RING
13	WASHER	33	BEARING	53	FLANGE
14	BOLT	34	PIVOT	54	O-RING
15	CYLINDER	35	BEARING	55	O-RING
16	SPRING	36	BOLT	56	GUIDING BUSHING
17	PISTON	37	WASHER	57	SCREW
18	UPPER CYLINDER COVER	38	NUT	58	ANTI-ROTATION PLATE
19	WASHER	39	AIR VENT	59	PIN
20	NUT	40	STROKE PLATE

1-X400 Innovative SERIES CYLINDER PNEUMATIC ACTUATORS

SINGLE ACTING (REVERSE - AIR TO OPEN) - Effortless air opening for optimal performance

1	BOLT	16	WASHER	31	SCREW
2	ACTUATOR YOKE	17	UPPER CYLINDER COVER	32	O-RING
3	STEM CONNECTOR	18	SCREW	33	O-RING
4	ANTI-ROTATION PLATE	19	SPRING GUIDING	34	GUIDING BUSHING
5	SCREW	20	LIMIT ROD	35	PLUG
6	ACTUATOR STEM	21	LIFTING BOLT	36	PLUG
7	BOLT	22	AIR VENT	37	PIN
8	WASHER	23	O-RING	38	SEAL RING
9	LOWER CYLINDER COVER	24	O-RING
10	CYLINDER	25	O-RING
11	PISTON	26	GUIDING
12	NUT	27	STROKE PLATE
13	SPRING	28	STROKE INDICATOR
14	BOLT	29	SCREW
15	NUT	30	FLANGE

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Company Profile

<sup>SNT Machinery (Qingdao) Co., Ltd. is a distinguished powerhouse in the realm of control valve production, seamlessly integrating manufacturing, design, sales, and services. With a foundation rooted in high standards and rapid growth, SNT proudly stands in Qingdao, Shandong province, sprawling over 42,000 square meters of state-of-the-art facilities and cutting-edge production equipment. A beacon of innovation, SNT is a high-tech enterprise, boasting independent intellectual property rights and global expertise in advanced management and production practices. With a dynamic team exceeding 150 professionals, 15% of whom are R&D specialists, and 30% holding graduate or higher degrees, SNT is fueled by a commitment to excellence. Leveraging a superior production management team and pioneering technological research, the company excels in producing premium valves for the petrochemical, oil, and coal chemical sectors. In 2017, our sales achieved a remarkable milestone, nearly reaching a valuation of 100 billion.

SNT has proudly earned the prestigious TS Special Equipment Manufacturing Certificate and the ISO 9001 certification, along with the esteemed net qualification certificates from SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Holding numerous National Patents, we expertly design and produce a comprehensive range of valves, adhering to ANSI, API, DIN, BS, and JIS standards. By harnessing the strengths of globally renowned valves and pioneering our research innovations, we offer an extensive valve portfolio, including GLOBE, High Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, and Eccentric Rotary Valves, among others.
Our diversified valve collection encompasses V Ball Valves, High Wear-resistant Ball Valves, High Pressure Steam Valves, Micro-flow Control Valves, and Self-operated Control Valves. We also specialize in Cryogenic Valves, with driving forms like manual operation, power-driven, pneumatic, and hydraulic drive. For key components, we utilize premium materials such as A216WCB, A217 WC6/WC9, A351 CF8/CF8M/CF3/CF3M, ensuring versatile specifications of 1/2"~120", working under pressures of ANSI 150#~2500#, and enduring temperatures ranging from -196ºC to 1100ºC.

Backed by advanced production technology and a robust quality assurance system, SNT Valves have become integral to industries such as petrochemical, oil, steel & iron, paper manufacturing, and power stations. Our esteemed clientele includes the SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, SINOPEC Changling branch, Jinan branch, and many more.

Our customer's success is our utmost priority, driving us to cultivate exceptional quality and a reputable brand. With a flawless quality assurance and after-sales system, we ensure SNT valves forge prosperous partnerships with all our valued clients, creating an avenue for mutual growth and success.</sup>