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هوائي النمط الإيطالي الكرة صمام

PNEUMATIC FLUORINE LINING O-TYPE CUT-OFF BALL VALVE

هوائي النمط الإيطالي الكرة صمام

Nominal Pressure: PN1.6~6.4MPa, ANSI150LB600LB
Nominal Diameter: DN15~DN 400
Connection Mode: RF/RJ/FF/LG
Body Material: LCB, WCB, CF8, CF8M, CF3, CF3M
Flow Characteristics: ON-OFF
Opening Degree: 90°
Valve Core Movement: Close the valve clockwise
Seat Form: Soft seat, metal seat (seal cover hardening)
Suitable Temperature: -60~+450°C
Leakage Level: ANSI VI
Design Standard: GB/T 12237, ASME B16.34

نظرة عامة على المنتج

The pneumatic fluorine lining O-type cut-off ball valve is a kind of high-grade ball valve with 360-degree right-angle rotary. The inner wall of the valve body and the components in the valve body in contact with the fluid adopt the high-temperature molding fluorine lined plastic process and are coated with a layer of anti-corrosion materials such as perfluoroethylene (F46), polytetrafluoroethylene (PTFE), soluble polytetrafluoroethylene (PFA), etc., which can completely cut off the contact between the corrosive medium and the valve body shell.

It has the following advantages:

  • Good sealing performance
  • Sensitive action
  • Linear flow passage
  • Large flow capacity

The valve can be used with two-position five-way solenoid valves and control boxes to realize switch control. It is widely used in the control of acid, alkali, and other corrosive media, as well as poisonous, volatile, and permeable gas and liquid media.

 

Model Preparation

ZActuator
Z series
shut-off valve
SH: Pneumatic piston actuator
J: Pneumatic diaphragm actuator
A: Electric DTR actuator
R: Electric 3810R actuator
QStructural Style
Q Shut-off valveO: Standard soft seal shut-off ball valve
OF: Fluorine lined O-type cut-off ball valve
OH: Metal seat shut-off ball valve

مواصفات المنتج

Pneumatic Fluorine Lining O-Type Cut-Off Ball Valve1

  • Corrosion resistance: Resists corrosion from almost all media (including concentrated nitric acid and aqua regia).
  • Large flow capacity: Does not limit the flow direction of the medium.
  • Good sealing performance: The sealing valve seat is subject to PTFE, ensuring reliable sealing, self-lubrication, and minimal leakage.
  • Suitability for various media: Works well for general gas and liquid, as well as mediums with high viscosity and fibrous or suspended soft particles.
  • Simple structure and easy maintenance.
  • Versatile actuation: Equipped with a rack and pinion pneumatic actuator (with multi-spring) and electric actuator with angular travel. It is ideal for various environments and functions as a control and cut-off system for high consumption requirements.

معلمات المواصفات

Technical Parameters

Nominal Diameter (DN)1520253240506580100125150200250300
Rated Flow Coefficient (Kv)19387211017027045051094014002200350056508000
With Pneumatic Actuatos (Double-Acting)AT52AT52AT63SAT63SAT75SAT83AT92AT105AT125AT140AT160AT210AT270AT300
With Pneumatic Actuators (Single-Acting)AT63SAT63SAT75SAT83SAT92SAT105SAT125SAT140SAT160SAT160SAT190SAT240SAT300SAT350S
Electric Actuator5101620405060100160200
Flow CharacteristicsQuick Opening
Nominal Pressure (MPa)0.6 MPa, 1.0 MPa, 1.6 MPa, 2.5 MPa, 150 Lb
Core Angle90°
Allowable Pressure DifferentialFor the Medium Pressure
Allowable Leak LevelSoft Seal: Grade VI (or No Leakage)
Action Time (s)0.5–7
Signal Over Thread / Operating PressureM10×11 / 400–800 kPa (0.4–0.8 MPa)

 

Main Performance Parameters

ProjectTechnical Instructions
Intrinsic Error (%)No LocatorWith the Locator
Return Difference (%)±10±1.5
Dead Zone (%)81.5
Leakage60.6
Allowable LeakageClass VI (or no leakage)10⁻⁴ Rated Capacity
Accessories AvailableClass VI (or no leakage)5×10⁻⁶ Rated Capacity
Rated Flow Coefficient Kv Deviation (%)Electrical positioner or electrical/gas converter, air filter unloader, solenoid valve, handwheel mechanism, etc.

 

Part Material

NameMaterial
Body, bonnet, ball coreWCB, LCB, CF8, CF8M, CF3M
Lining materialPO, PE, PP, F46, F4, PFA
Sealing ring, packing, gasketTeflon

 

Pneumatic Fluorine Lining O-Type Cut-Off Ball Diagram

Main External Connection Dimensions

DNNPSLDKdCfn-ΦzWH
151/2″1409565451624-Φ14145205
203/4″14010575551824-Φ14145208
251″15011585651824-Φ14169210
321 1/4″165140100751824-Φ18169232
401 1/2″180150110851834-Φ18201274
502″2001651251001834-Φ18209287
652 1/2″2201851451201838-Φ18242327
803″2502001601352038-Φ18275363
1004″2802201801552038-Φ18332398
1255″3202502101852238-Φ18385432
1506″3602852402102238-Φ22450475
2008″4003402952652438-Φ22562615
25010″45039535032026312-Φ22722740
30012″61044540037026412-Φ22830885

 

 

تطبيقات المواصفات

  • Chemical Industry: For handling corrosive acids, alkalis, and solvents in chemical processes.
  • Petrochemical Industry: For controlling hydrocarbon and chemical flows under high temperatures and pressures.
  • Water Treatment Plants: For flow control in purification, desalination, and wastewater systems.
  • Pharmaceutical Industry: For safe handling of reactive chemicals in sterilized environments.
  • Gas and Oil Industry: For managing the flow of toxic and volatile gases like chlorine and hydrogen sulfide.
  • Food and Beverage Industry: For processing acidic or alkaline cleaning agents in compliance with hygiene standards.
  • Power Plants: For controlling chemical flows in cooling systems, boiler operations, and emission control units.

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