Products > Ball valve > API trunnion ball valve

API trunnion ball valve

Product Type: Q341F / H / W / Y
Nominal diameter: NPS2 "~ 40"
Nominal pressure: Class150 ~ 2500MPa
Suitable temperature: -196 ~ 350 ℃
Suitable medium: water, gas, oil, natural gas and acid-base corrosive medium
Operation: manual, pneumatic, electric, hydraulic and other
Design and manufacturing: API 6 D
Structure length: ANSI BI6.10
Connecting flange: ANSI BI6.5
Inspection and testing: API STD.598
The price is negotiable

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1, API trunnion ball valve purposes
Three-way connection forged steel ball valve, the valve body in the two valve seat parts along the vertical axis with the valve section is divided into three parts, the entire valve along the central axis around the stem Symmetrical, it is mainly used in the pipeline to cut off, distribute and change the direction of medium flow. API American Standard cast steel fixed ball valve Its large pivot structure to ensure accurate ball center position under high pressure to ensure good valve performance; standard seat with spring structure, the valve seat to the ball, the API American Standard Steel Fixed ball valve to ensure a good import and export of two-way sealing performance; API American Standard fixed steel ball valve with its own discharge valve, the body cavity can be discharged to the outside; pivot blowing protection structure to prevent leakage effectively; Low friction Coefficient of bearings, making torque to a minimum, easy to open and close the valve; stem and body effective contact, the anti-static grounding device superior performance. With excellent performance, high reliability, wide range of uses, the price is reasonable and so on. 
 
2, API trunnion ball valve structure characteristics
 
1, the manual part can be pressed steel handle or stainless steel casting handle. The handle is provided with a limit structure to set a limit position where the valve is opened and closed. When the valve is used on a key device, a lock hole is provided on the limit block to lock the switch position to avoid misoperation. There is a clear on and off indicator on the handle. 
 2, the stem with A182F (1Cr13) overall forging and modulation, hardness HB220 ~ 250. Stem by flat key or spline or square and the handle connection, versatility, easy disassembly. Stem with anti-blowing structure. 
 3, the valve packing selection braided, flexible graphite seals or PTFE seals, making the stem in a certain lubrication conditions to achieve a reliable seal. 
 4, according to the need, the ball valve can be designed to anti-static structure, the ball and the stem, stem and valve body set between the conductive spring to avoid electrostatic ignition lit flammable substances, to ensure system security. 
 5, sealed in various forms. According to different conditions can choose soft seal, hard seal, fire valve seat and other structures; DN150 below the form of floating ball, below DN200 fixed ball form.
 6, the ball valve seat can be set at the secondary seal structure, the valve seat and the stem part of the installation of grease injection valve, the emergency case can be temporarily sealed, and the valve stem can be lengthened according to need to be laid properly place. 
 
3, API trunnion ball valve main material description

BodyValve stemValve ballSealing surfaceGasketfillerOperating temperatureSuitable media
WCB1Cr131Cr13

1Cr13

Stellite alloy

Body material

Flexible graphite 
stainless steel plus flexible graphite 
08 mild steel 
F304 F316
Flexible graphite 
braided graphite
-29-425 ° CWater, steam, oil
WC615CrMo15CrMo-29-425 ° C
WC925Cr2MoV25Cr2MoV
LCB304304-46-354 ° C
CF8304304-196-600 ° CSome acid, alkali
CF3304L304L
CF8M316316
CF3M316L316L

4, API trunnion ball valve main dimensions


DN2"2-1 / 2 "3 "4 "5 "6 "8"10 "12 "14 "16 "18 "20 "24"28 "32 "36 "40 "
d1516476102127152203254305337387438489591686781876978
LRF17819120322935639445753361068676286491410671245137215241753
BW21624128330538145752155963576283891499111431346152417271880
H10211412715218421927336039543047055058070080095011001200
ManualH110712515217830033039849558062567069884010501100115012471374
E------1161161711712572572571508383123123
F------350350420420400400400410650650735735
W2304004006501050150600600800800800800800800800800800800
Wt 
(Kg)
1216223558742053224605768641280160035404500594075409320
electricH2-----554600652760770830-94010201115---
L1-----235235235259400400-410410410---
pneumaticH3274379389479552666736926159112713931468153813701450---
L22704054055765767767767761060106013601360136028402840---


  5,
API trunnion ball valve Class 300Lb:

DN2"2-1 / 2 "3 "4 "5 "6 "8"10 "12 "14 "16 "18 "20 "24"28 "32 "36 "40 "
d1516476102127152203254305337387438489591686781876978
LRF21624128330538140350256864876283891499111431346152417271880
BW21624128330538145752155963576283891499111431346152417271880
H10211412715218421927336039543047055058070080095011001200
ManualH110712515217830033039849558062567069884010501100115012471374
E------1161161711712572572571508383123123
F------350350420420400400400410650650735735
W2304004006501050150600600800800800800800800800800800800
Wt 
(Kg)
1524305587118255370533640103015242100420053007860868410300
electricH2-----235235400400410410-420690690---
L1-----74350350420420400-400410650---
pneumaticH334037945247964666681410021059115012051250129513901470---
L2405405574574756756106010601060136013602840284033003300---


6
, API trunnion ball valve Class 400Lb:

DN2"2-1 / 2 "3 "4 "6 "8"10 "12 "14 "16 "20 "24"28 "
d1516476102152203254305337387489591686
LRF292330356406495597673762826902105412321397
BW295333359410498600676765829905106012411410
H114124133159250294395445500530660800900
ManualH110815519723530037444551255061581010101180
E11611611611611617117125725725715083123