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هوائي النمط الإيطالي الكرة صمام

Top-guide-single-seated-control-valve

هوائي النمط الإيطالي الكرة صمام

Body Type: Straight-through S-type cast valve
Plug Type: Balanced double seal sleeve plug
Nominal Diameter: DN25~300mm; NPS 1″~12″
Nominal Pressure: PN1.6~16.0MPa; CLASS 150~1500LB
Applicable Temperature: -196°C~550°C (Optional according to working conditions)
Type of Connection: Flange, welding, thread (applicable within 1″)
Flange Distance: According to IEC 60534
Gland Type: Bolt compression type
Sealing Gasket: Metal graphite spiral wound gasket
Packing: PTFE, flexible graphite
Actuator: Pneumatic actuator, Electric actuator

إقتبس

نظرة عامة على المنتج

This HCB balanced two-stage sealed sleeve control valve features a pressure-balanced plug and double-seal structure for stable and reliable performance. Designed for applications with moderate leakage requirements, it uses metal-to-metal sealing on both surfaces to enhance durability and extend service life. The pressure-balanced design reduces operating force and improves control accuracy, making it suitable for medium-pressure and general industrial flow control systems.

 

Model Preparation

CodeCategoryDescription
HStructural StyleStructural type classification
TFlow TypeL: Ultra Low Flow Type

T: Compression Type

C: Cage Type

SValve Design TypeS: Standard Single-Seated Control Valve

N: Cage Type Low-Noise Control Valve

B: Sleeve Type Control Valve

مواصفات المنتج

Top-guide sleeve control valve diagram

HCB Balanced Two-Stage Sealed Sleeve Control Valve – Key Features

  • Designed for High Pressure Drop Conditions
    The HCB Balanced Two-Stage Sealed Sleeve Control Valve is engineered to handle large pressure differentials, reducing internal damage caused by erosion and cavitation.
  • Advanced Porous Sleeve Technology
    Upgraded from traditional window-type sleeves, the porous sleeve design effectively dissipates energy, minimizes noise, and extends valve service life.
  • Optimised Flow Direction for Liquids
    With a high-inlet, low-outlet flow path, the valve promotes controlled throttling. Fluid energy is absorbed within the sleeve, helping reduce flow velocity and internal wear.
  • Improved Gas Flow Performance
    For gas applications, a low-inlet, high-outlet configuration allows volume expansion after throttling, lowering pressure and ensuring stable flow control.
  • Reduced Noise and Enhanced Stability
    The multi-stage pressure reduction through the sealed sleeve significantly decreases noise levels and improves operational reliability in demanding systems.

 

 

Flow Characteristic Curve

Flow-Characteristic-Curve

 

Structure and Materials

TOP-GUIDE-SLEEVE-CONTROL-VALVE-Structure

Carbon steel for body material*

No.ComponentMaterial
1BodyWCBLCBWC9
2Gasket316 + Graphite / FTFE
3Sleeve304304304
4Plug304304304
5Gasket316 + Graphite / FTFE
6Double-screw bolt304304304
7Nut304304304
8BonnetWCBLCBWC9
9Stem304304304
10PackingPTFE / Flexible Graphite
11Lock nut304304304
12Pressing sleeve304304304
13Plate304304304

 

Body Materialls Stainless Steel*

No.ComponentMaterial
1BodyCF8CF8MCF3M
2Gasket316 + Graphite / PTFE
3Sleeve304316316L
4Plug304316316L
5Gasket316 + Graphite / PTFE
6Double-screw bolt304316316L
7Nut304316316L
8BonnetCF8CF8MCF3M
9Stem304316316L
10PackingPTFE / Flexible Graphite
11Lock nut304316316L
12Pressing ring304316316L
13Plate304316316L

Note: 1.The above is of standard confguration structure; The valve seat is metal seal, and the valve seat is soft seal, grade Vl optional. lt can provide valve trim of spray welding cemented carbide. 2.The conventional materialis carbon steel and stainless steel, and the special material regulating valve products can be customized according to the user’s work conditions.

 

Can be Applied to Different Conditions of the Structure

معلمات المواصفات

Specifcation Parameter

Inside Diameter (mm)253240506580100125150200250300
Inside Diameter (in)1″1-1/4″1-1/2″2″2-1/2″3″4″5″6″8″10″12″
Flow Coefficient (Kv) Straight Line101625406310016025040063010001400
Flow Coefficient (Kv) Percent1117.627.5446911017627544069011001500
Pneumatic actuatorHA/B-23HA/B-34HA/B-45HA/B-56
350 cm²560 cm²900 cm²1400 cm²
Mode of ActionSpring RangeAllowable Differential Pressure (MPa)
Gas Opening20–100 KPa32.252.251.952.362.041.671.411.411.140.650.55
40–200 KPa6.46.46.46.46.46.46.46.46.46.41.551.4
80–240 KPa6.46.46.46.46.46.46.46.46.46.44.084.08
Gas Off20–100 KPa1.51.131.130.981.181.020.840.710.710.710.570.55
40–200 KPa4.53.383.382.933.543.062.512.122.122.121.711.55
80–240 KPa6.46.46.46.46.46.46.46.46.46.44.083.65
Electric ActuatorAllowable Differential Pressure (MPa)
Thrust(N)8006.46.4
20006.46.46.45.1
30006.46.46.46.45.74.76
50006.46.46.46.46.25
65006.46.44.233.23
100006.46.13.312.07
1600064

 

Actuator parameters

ModelPneumatic film actuatorElectronic electric actuator
FormZH22~ZH563810L, RSL
TypeMulti springIntelligent integrated type
PurposeAdjustment, switchRegulating
DriveAir pressure (spring range):
140 (20~100) KPa G
240 (40~200) KPa G
280 (80~240) KPa G		Power supply:
AC 220 V ±10% 50Hz
AC 380 V ±10% 50Hz
JointRc 1/4Common type: 2–PF(G1/2”)
Flameproof type: 2–PF(G3/4”)
Positive ActionAir pressure increases to push the valve to closeControl signal increases to push the valve to close
ReactionAir pressure increases to push the valve openControl signal increases to push the valve open
Control Signal4~20mA.DC (With positioner)Input output 4~20mA.DC
Lag≤1% FS (With positioner)≤0.8% FS
Linearity2% FS (With positioner)≤±1% FS
Ambient Temperature-10°C ~ +70°C
Surface CoatingBlack phosphating treatment
Actuator: Acrylic polyurethane paint
Optional AccessoriesOptional accessories, Hand wheel, Magnetic valve, Travel switch, Lock up valveHeater

 

Main Performance Parameters

Flow CharacteristicsEqual percentage, Straight line
Adjustable Range50:01
Rated Cv ValueEqual percentage: 10~1400
Straight line: 11~1500
Allowable LeakageHard seal: Level-IV (0.01% rated flow of valve)
Soft seal: Level-V
Drive ModePneumaticElectric
Intrinsic Error (%)±1.0±1.0
Return Difference (%)≤1.0≤1.0
Dead Zone (%)≤0.6≤1.0
Constant Point Deviation (%)±2.5±2.5
Rated Stroke Deviation (%)≤2.5≤2.5

 

TOP-GUIDE-SINGLE-SEATED-Pneumatic-CONTROL-VALVE-Diagram

Connection Dimension of Pneumatic Control Valve

DN (mm / in)20 (3/4″)25 (1″)32 (1-1/4″)40 (1-1/2″)50 (2″)65 (2-1/2″)80 (3″)100 (4″)125 (5″)150 (6″)200 (8″)250 (10″)300 (12″)
L (PN16/25)
L (PN40)
L (PN64)		180188200220252275300350400455555660740
180188200220252275310370410475600670750
206210220251290315341398452511610752819
H (PN16)
H (PN40)
H (PN64)		52.557.5707582.592.5100110125142170202230
52.557.5707582.592.5100117.5135150187225257
657077.58590102.5107.5125147.5172207235285
H1132132158170179214221234270294331390505
H2315315335335335415415415500500500670670
H3208208224228228334334342408453482520550
H4153153153153153181181181247247247//
H5336338402402405627628635698702728755790
H6700 (customized according to actual temperature conditions)
H7888888888895959595110110140140
D310310355355390430465520585660770890950
A285285285285285360360360470470470580580
C180180180180180200200200250250250380380

 

TOP-GUIDE-SINGLE-SEATED-Electric-CONTROL-VALVE-Diagram

Connection Dimension of Electric Control Valve

DN (mm / in)20 (3/4″)25 (1″)32 (1-1/4″)40 (1-1/2″)50 (2″)65 (2-1/2″)80 (3″)100 (4″)125 (5″)150 (6″)200 (8″)250 (10″)300 (12″)
L (PN16/25)
L (PN40)
L (PN64)		180188200220252275300350400455555660740
180188200220252275310370410475600670750
206210220251290315341398452511610752819
H (PN16)
H (PN40)
H (PN64)		52.557.5707582.592.5100110125142.5170202.5230
52.557.5707582.592.5100117.5135150187225257
657077.58590102.5107.5125147.5172207.5235285
H1132132158170179214221234270294331390507
H2373373456456179538548548725725725795955
H320820822422822833433434240845348252050
H4909090902289090909090909090
H5336338402402406627628635698702728755790
H6700 (customized according to actual temperature conditions)
H7888888888895959595110110140140
D310310355355390430465520585660770890950
A285285285285285360360360470470470580580

Note: 1.The dimensions in the table are standard data without accessories. The dimensions of accessories are calculated according to the actual configuration.2.Due to the technical innovation and improvement of the product, the size may change. Please contact the technical department of the Company for the latest information. 3.The actuated valve can be customized according to the actual size.

تطبيقات المواصفات

Top-guided sleeve control valves are integral components in various industrial processes, offering precise flow regulation and exceptional stability across a wide range of applications.

Petrochemical and Chemical Industries

In the petrochemical and chemical sectors, these valves manage the flow of diverse liquid and gas media, ensuring accurate control in processes involving high temperatures and pressures. Their robust design and superior guiding capabilities make them suitable for handling aggressive and corrosive substances, maintaining process integrity and safety.

Oil and Gas Industry

Within the oil and gas industry, top-guided sleeve control valves are employed to regulate the flow of hydrocarbons and other fluids. Their ability to withstand high-pressure differentials and resist wear from abrasive media ensures reliable performance in upstream, midstream, and downstream operations.

Power Generation

In power plants, these valves control steam and water flow, contributing to efficient turbine operation and overall plant performance. Their precise modulation capabilities support optimal thermal management and energy output.

Water Treatment and Distribution

Top-guided sleeve control valves are utilized in water treatment facilities to manage flow rates and pressures, ensuring consistent water quality and distribution. Their design minimizes cavitation and erosion, extending valve lifespan and reducing maintenance requirements.

General Industrial Applications

Beyond these sectors, top-guided sleeve control valves find applications in various industrial processes requiring dependable flow control, such as pulp and paper manufacturing, food and beverage production, and pharmaceutical processing. Their versatility and reliability make them a preferred choice for maintaining process efficiency and product quality.

فئات المنتجات
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