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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

Z Actuator
Z series
shut-off valve
SH: Pneumatic piston actuator
J: Pneumatic diaphragm actuator
A: Electric DTR actuator
R: Electric 3810R actuator
Q Structural Style
Q Shut-off valve O: 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) 15 20 25 32 40 50 65 80 100 125 150 200 250 300
Rated Flow Coefficient (Kv) 19 38 72 110 170 270 450 510 940 1400 2200 3500 5650 8000
With Pneumatic Actuatos (Double-Acting) AT52 AT52 AT63S AT63S AT75S AT83 AT92 AT105 AT125 AT140 AT160 AT210 AT270 AT300
With Pneumatic Actuators (Single-Acting) AT63S AT63S AT75S AT83S AT92S AT105S AT125S AT140S AT160S AT160S AT190S AT240S AT300S AT350S
Electric Actuator 5 10 16 20 40 50 60 100 160 200
Flow Characteristics Quick Opening
Nominal Pressure (MPa) 0.6 MPa, 1.0 MPa, 1.6 MPa, 2.5 MPa, 150 Lb
Core Angle 90°
Allowable Pressure Differential For the Medium Pressure
Allowable Leak Level Soft Seal: Grade VI (or No Leakage)
Action Time (s) 0.5–7
Signal Over Thread / Operating Pressure M10×11 / 400–800 kPa (0.4–0.8 MPa)

 

Main Performance Parameters

Project Technical Instructions
Intrinsic Error (%) No Locator With the Locator
Return Difference (%) ±10 ±1.5
Dead Zone (%) 8 1.5
Leakage 6 0.6
Allowable Leakage Class VI (or no leakage) 10⁻⁴ Rated Capacity
Accessories Available Class 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

Name Material
Body, bonnet, ball core WCB, LCB, CF8, CF8M, CF3M
Lining material PO, PE, PP, F46, F4, PFA
Sealing ring, packing, gasket Teflon

 

Pneumatic Fluorine Lining O-Type Cut-Off Ball Diagram

Main External Connection Dimensions

DN NPS L D K d C f n-Φz W H
15 1/2″ 140 95 65 45 16 2 4-Φ14 145 205
20 3/4″ 140 105 75 55 18 2 4-Φ14 145 208
25 1″ 150 115 85 65 18 2 4-Φ14 169 210
32 1 1/4″ 165 140 100 75 18 2 4-Φ18 169 232
40 1 1/2″ 180 150 110 85 18 3 4-Φ18 201 274
50 2″ 200 165 125 100 18 3 4-Φ18 209 287
65 2 1/2″ 220 185 145 120 18 3 8-Φ18 242 327
80 3″ 250 200 160 135 20 3 8-Φ18 275 363
100 4″ 280 220 180 155 20 3 8-Φ18 332 398
125 5″ 320 250 210 185 22 3 8-Φ18 385 432
150 6″ 360 285 240 210 22 3 8-Φ22 450 475
200 8″ 400 340 295 265 24 3 8-Φ22 562 615
250 10″ 450 395 350 320 26 3 12-Φ22 722 740
300 12″ 610 445 400 370 26 4 12-Φ22 830 885

 

 

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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