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Pneumatic O-cut ball valve

Products > Ball Valve > Pneumatic O-cut ball valve

Pneumatic O-cut ball valve

Product Type: Q641F / H / Y
Nominal diameter: DN15 ~ 300mm
Nominal pressure: PN1.6 ~ 6.4Mpa
Suitable temperature: -28 ℃ ~ 300 ℃
Body material: WCB, ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti
Design and manufacturing: GB12237-89, API608, API 6D, JPI 7S-48, BS5351, DIN3357
Flange dimensions: JB / T74 ~ 90 (JB74 ~ 90), GB9112 ~ 9131, HGJ44 ~ 76, SH3406, ANSI B16.5, JIS B2212 ~ 2214, NF E29-211, DIN2543
Structural Length: GB12221-89, ANSI B16.10, JIS B2002, NF E29-305, DIN3202
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O-pneumatic cut off the ball SUMMARY
Pneumatic O type cut off the ball pneumatic actuator using the new AT / GT Series pneumatic actuators, the structure of the State utility model patents, double-acting and single-acting (spring return), the gear rack structure Transmission, more secure and reliable performance. 
 
 First, the pneumatic O-cut off the ball valve Introduction
 Pneumatic O-cut off pneumatic valve pneumatic actuator using the new AT / GT series of pneumatic actuators, the structure of the state utility model patents, a double-acting and single-acting (spring reset), the use of rack and pinion Structural transmission, more secure and reliable performance; large-diameter valve with AW series of pneumatic actuators, fork structure transmission, reasonable structure, large output torque. 
 Pneumatic O-cut ball valve with a second shut off the ball valve, with explosion-proof device, available gas cut off. It is composed of ball valve and single acting piston pneumatic actuator. It is widely used in industries such as natural gas, oil, chemical, metallurgy, paper-making, mining, printing and dyeing, biopharmaceutical, daily chemicals, food and beverage, water treatment and air treatment Fluid cut off control, and supporting the use of automated pneumatic instruments. 
 
 Second, the pneumatic O-cut off the ball valve works
 Pneumatic O-cut ball valve by the body, ball, valve shaft, seal ring, packing, platen and other components. Actuators from the gas, piston, gear type, output shaft, cylinder head, bearings, guide ring, piston bush, adjusting bolts, "O" ring and other major components. Actuator and valve connection shaft. Cylinder input pressure, the role of the piston to produce a certain thrust, the gear-type output driven by the piston, the gear output shaft in rotation, driven by the rotation of the valve shaft, so that the valve ball with the rotation of the valve, change the valve Flow area, to achieve the purpose of changing the medium flow through the valve. 
 
 Third, the pneumatic O-cut ball valve Features
 1, thrust bearing to reduce stem friction torque, stem long-term operation can be smooth and flexible. 
 2, seat sealing performance, using PTFE and other elastic materials made of seals.
 3, anti-static function: In the sphere, the valve stem, the spring between the body, the process can switch the static electricity derived. 
 4, the stem seal is reliable, as the stem only for rotational movement without lifting movements, stem packing seal is not easy to damage. 
 5, due to PTFE and other materials with good self-lubricating, and friction loss of the ball is small, so the long service life of the ball valve. 
 6, cut off fast, with one second cut off capacity, and good sealing performance, explosion-proof device can be equipped with gas pipe can be cut off. 
 
 Fourth, pneumatic O-cut ball valve components and materials

Serial
number
Part NameSerial
number
Part NameSerial
number
Part NameSerial
number
Part NameSerial
number
Part Name
1Body4Nut7Gasket10Positioning pieces13Valve stem
2Sealing ring5Stud8filler11Ring14Screw
3Sphere6Stone body9Packing gland12handle15Thrust washer


 Fifth, pneumatic O-cut ball valve performance parameters

Test pressure 
(Mpa)
Nominal pressure (Mpa)Pressure classJIS (Mpa)
1.62.54.06.410.015030060010K20K
Strength test2.43.86.09.615.03.17.815.32.43.8
Seal test1.82.84.47.011.02.25.611.21.52.8
Airtight test0.5 ~ 0.7


 Six, pneumatic O-cut ball valve technical parameters

Nominal diameter mmDN15-DN300
Material codeCPR
The main partsBodyWCBZG1Cr18Ni9TiZG1Cr18Ni 
       12Mo2Ti
Sphere2Cr131Cr18Ni9Ti1Cr18Ni12MoTi
Valve stem2Cr131Cr18Ni9Ti1Cr18Ni12MoTi
Sealing ringEnhanced polytetrafluoroethylene para-benzene
FillerPolytetrafluoroethylene flexible graphite
Applicable conditionsSuitable 
media
Steam, waterNitric acidsAcetic acid
Suitable 
temperature
-28 ° C - 300 ° C
ActuatorModelAW, DA / SR series, GTE series, TH series and so on
Air pressure0.4-0.7MPa


Seven, install the size table

DN (mm)Size (mm)Actuator model
1.6MPa2.5MPa4.0MPa
LDD1bZ-фDLDD1bZ-фDLDD1bZ-фDOptional DA / SR, QGSY, 
SY-CH, GTD / GTE 
AW / AWS, SY-YD, 
Series Actuators The 
above options are for reference
only Specific constituencies
according to the actual requirements
151309565144-141309565164-1413013065164-14
2013010575144-1413010575164-1415015075164-14
2514011585144-1414011585164-1416016085164-14
32165135100164-18165135100184-18180180100184-18
40165145110164-18165145110184-18200200110184-18
50203160125164-18203160125204-18230230125204-18
65222180145184-18222180145228-18290290145228-18
80241195160208-18241195160228-18310310160228-18
100305215180208-18305230190248-23350350190248-23
125356245210228-18356270220288-25400270220288-25
150394280240248-23394300250308-25480300250308-25
2004573352952812-234573603103412-256003753203812-30
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