Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term Use

Product Details
Customization: Available
Brand: SMC
Power: Pneumatic
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  • Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term Use
  • Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term Use
  • Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term Use
  • Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term Use
  • Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term Use
  • Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term Use
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  • Overview
  • Product Parameters
  • Product Description
  • Product Feature
  • Test and Detection Equipments
  • Company Profile
Overview

Basic Info.

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
 
Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term Use
Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term Use



Introducing the 1-X400 series: a revolutionary leap in pneumatic engineering. These linear stroke piston-type pneumatic actuators are crafted with precision, utilizing cold-drawn hydraulic pipes as their robust cylinder bodies. The advanced honing and extrusion processes employed ensure minimal wear on dynamic sealing elements, significantly boosting the actuator's lifespan. When compared to membrane-type actuators of similar specifications, these offer unparalleled thrust power. Their simple structure and lightweight, compact design encapsulate high-performance efficiency, making them an ideal choice for superior pneumatic linear stroke applications.

The versatile 1-X400 series linear stroke piston-type pneumatic actuators are available in both double-acting and single-acting models. Perfectly pairing with linear stroke valves, they excel in regulation and on-off control. Outfitted with essential accessories like pneumatic control valves, quick exhaust valves, and innovative pneumatic actuators, they enable rapid cutoffs with precision timing options of 1S, 2S, 3S, and 4S, offering a range of responsive levels.

Single-action (S.A.) actuators are ingeniously designed with a spring-opposed piston actuated by air pressure, providing a straightforward fail-safe action. In the event of air pressure failure, the compressed spring load naturally overcomes the pressure load, seamlessly moving the stem to open or close the valve port, depending on the required fail-safe action. They are known for their remarkable stability, even when the load on the plug experiences variations.
 
 
 
Conversely, double-action (D.A.) actuators offer distinct characteristics. Though they demonstrate lower net thrusts, their dimensions expand significantly with increased supplied air pressure and stroke demands.

Double-action actuators with return springs present an intriguing balance; the air pressure's full thrust on one side of the piston is counterbalanced partly by a compressed spring and partly by the air pressure on the opposite side of the piston, offering a harmonious operation. For a seamless fail-safe action, there's no necessity for complex and often unreliable pneumatic apparatus. Furthermore, the net thrust of air pressure is only marginally diminished by the spring thrust, ensuring efficient performance.
 

Product Description

Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term UseDESIGN DETAILS

PRESSURE/TEMPERATURE RATING
The 8 bar rating defines both the standard supply pressure of the cylinder and the threshold for the piston's sliding seal integrity. All actuators undergo rigorous hydrostatic testing at a pressure of 10.5 bar prior to dispatch. For continuous operation at 8 bar, the permissible temperature limits can be found in the materials table provided.

ACTUATOR BODY
The cylinder is meticulously crafted from a precision steel tube.
Its interior surface is expertly lapped, chromium-plated, and polished for optimal performance.
The two heads are made from either aluminum or steel castings and are offered in various configurations to cater to specific assembly requirements on valves or operational needs.

Adaptable with a fork on the upper or lower head for pivoting assemblies, ideal for actuating butterfly valves,
or equipped with a flange for secure attachment on valve yokes, suitable for controlling globe or angle valves effectively.

PISTON
The piston, constructed from high-strength steel, features one (S.A.) or two (D.A.) rubber sealing rings and two (S.A.) or one (D.A.) loaded-Teflon guiding skids for enhanced durability and performance.

STEM
The stem is precision-engineered from a stainless steel rod, ground, rolled, and threaded at the exposed end. It connects to the valve stem through a two-piece, precisely bored and threaded block that secures the screwed ends of both stems.
Guidance for the stem is provided by a dual bronze bushing installed in the lower head, which also includes a felt ring for stem wiping and a sealing ring (with the exception of S.A. direct-acting actuators) to prevent leakage, ensuring reliable operation.

Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term Use

Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term Use
Customised execution on request


SNT specializes in crafting tailored solutions to meet diverse customization needs, including:
  • On-off or modulating execution configurations.
  • Designs suitable for offshore or highly corrosive environmental conditions.
  • Development of bespoke coupling yokes to accommodate any valve topwork.
  • Execution featuring mechanical end stop screws for precise control in one or both directions.
  • Rapid response designs for HIPPS or Emergency Shutdown applications.
  • Models equipped with dampers or specialized integral quick exhaust valves.
  • Subsea-optimized designs for underwater applications.
For technical evaluations and consultations on unique requirements, please reach out to our sales department.

Controls

The 1-X400 actuators can be delivered fully outfitted with control component packages tailored to customer specifications, ensuring compliance with technical requirements for diverse industrial control applications, including on/off, modulating, or ESD services.
Our control systems are meticulously designed, drawing on SNT's technical expertise and extensive experience in valve automation.






 

Product Feature


1-X400 SERIES CYLINDER PNEUMATIC ACTUATORS
DOUBLE ACTING - Experience dual-powered excellence with our double-acting pneumatic actuators, delivering seamless control and precision engineering.

Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term Use

 
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 SERIES CYLINDER PNEUMATIC ACTUATORS
SINGLE ACTING (DIRECT - AIR TO CLOSE) - Harness the power of single-acting actuators, designed for efficiency and reliability, perfect for direct air close operations.

Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term Use

 
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 SERIES CYLINDER PNEUMATIC ACTUATORS

SINGLE ACTING (REVERSE - AIR TO OPEN) - Discover the superior function of reverse single-acting actuators, engineered for smooth and responsive air to open transitions.

Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term Use
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    

Test and Detection Equipments

Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term Use
Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term Use
Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term Use

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Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term Use
Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term Use
Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term Use

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Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term Use
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Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term Use
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Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term Use
Enhanced Durability Pneumatic Piston Actuator Size 1: 1-X400 P250 (S) for Long-Term Use
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Company Profile

SNT Machinery (Qingdao) Co., Ltd is a distinguished producer of cutting-edge control valves, seamlessly integrating manufacturing, design, sales, and services. Positioned for success, SNT thrives in Qingdao, Shandong province, spanning an impressive 42,000 m², and boasts state-of-the-art workshops and production facilities. As a high-tech enterprise, SNT proudly holds independent intellectual property rights, enriched by advanced management and production expertise from global leaders. Our dynamic team of over 150 employees includes 15% R&D specialists and 30% graduates or postgraduates. With a focus on superior production management and pioneering technology development, we produce high-quality valves for petrochemical, oil, and coal chemical industries, achieving a remarkable sales value nearing 100 billion in 2017.

Today, SNT proudly holds the TS Special Equipment Manufacturing Certificate and ISO 9001, along with prestigious net qualification certificates from SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our innovation has earned numerous national patents. We specialize in designing and manufacturing comprehensive valve series adhering to ANSI, API, DIN, BS, JIS standards. By merging global valve excellence with our own R&D, SNT offers a diverse range of valves, such as GLOBE, High-Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, and Eccentric Rotary Valves, along with Three-eccentric Center Butterfly options.
Our extensive valve portfolio also includes V Ball Valves, High Wear-resistant Ball Valves, High-Pressure Steam Valves, Micro-flow Control Valves, Self-operated Control Valves, and Cryogenic Valves. We offer versatile driving forms including manual operation, power-driven, pneumatic, and hydraulic drive. Our valves are crafted from premium materials such as A216WCB, A217 WC6/WC9, A351 CF8/CF8M/CF3/CF3M, with specifications ranging from 1/2" to 120", capable of withstanding pressures from ANSI 150# to 2500#, and operating temperatures from -196ºC to 1100ºC.

Thanks to cutting-edge production technology management and a robust quality assurance system, SNT valves are trusted across various industries including petrochemical, oil, steel & iron, paper manufacturing, and power stations. Our esteemed clientele features SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, SINOPEC Qingdao Refinery, and Jinan branch, among others.

We prioritize our users' profitability, committing to the creation of exceptional quality and a reputable brand. Our comprehensive quality assurance and after-sales systems ensure SNT valves excel alongside our clients, paving the way for mutual prosperity and success.

 

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