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fully welded ball valve

Product Characteristics

1.Hebei Pingheng Valve Co., Ltd is authorized to manufacture and sales fully wdlded ball valve by UK OROKO Valve Co., Limited and by using their advance production technology.

2.The Fully welded ball valve is wildly used in every fields in European and America countries. Its excellent quality and the stability of high-performance are unreachable for ordinary cast steel ball valves and its working life is much linger than cast steel ball valves. Full welede ball valve are widely used in city gas, city heating, petrochemical industry, shipbuilding, steel, offtake stations, power plants, and other pipeline equipments.

3.Fully welded ball valve can be used long-term with reliable operation, needn’t maintain and easy to install (specifically under DN300). So the installation of the valve becomes more convenient, it’s not only reduces the cost of construction, but also saves a lot of time.

(1)Shell Hydrostatic Test

ANSI B16.34 Section 7.1
Value Siz NPS
Test Pressure
Test time sec
DN≤50
1:5times the 100o F
15
65≤DN≤200
Rating of ANST Class
60
DN≥250
Max.Operating Pressure
180
(100F)

 

ANSI B16.34 Section 7.2
Value Siz NPS
Test Pressure
Test time sec
DN≤50
1:1times the 100o F
15
65≤DN≤200
Rating of ANST Class
30
DN≥250
Max.Operating Pressure
60
(100F)
120


(2)Shell Hydrostatic Test
    The pressure should be more 1.1 times than working pressare by seal hydrastatic test

(2)Seal Air Test
    Seal air leakage test is based on 80PSIG(6kgf/cm2) nin-actiue gas or full filled with air, after close the valve, then check it is leakage or not by one side of the valve

NO.
Parts name
Materials
1
body
ST37.8
2
neck
ST37.8
3
ball
ASTM A182F304
4
stem
ASTM A182 F6a
5
seat
Reinforced PTFE+C
6
matel washer
ASTM A182 F6a
7
spring
50CrVA
8
"o"ring
FPM
9
end piece
ST37.8
10
handle
Galvanizes Steel
11
"o"ring
FPM
12
gland
A182-F304

 

Lever Type :


(unit:mm)

SIZE
DN
A B L D D1 D2
DN15
129
64
210
15
21.3
42
DN20
129
64
230
15
26.7
42
DN25
159
76
230
20
33.4
48
DN32
159
85
260
25
42.2
60
DN40
230
95
300
32
48.3
76
DN50
230
100
300
40
60.3
89
DN65
300
159
300
50
76.1
114
DN80
300
170
300
65
88.9
140
DN100
450
192
325
80
114.3
185
DN125
450
208
325
100
141.3
216
DN150
450
241
350
125
168.3
219

Gear Yype:


(unit:mm)

SIZE
DN
A
B
L
D
D1
D2
E
DN200
243
400
400
150
219.1
267
315
DN250
252
500
560
200
273.1
356
346
DN300
236
500
635
250
323.9
457
402
DN350
331
600
650
300
355.6
508
491
DN400
331
600
760
337
406.4
559
479
DN450
331
600
842
337
457.2
559
479
DN500
360
700
910
387
508.0
680
540
DN550
360
700
1092
438
559.0
718
577
DN600
413
800
1065
489
609.6
812
662
DN650
413
800
1245
540
660.4
898
755
DN700
433
900
1346
591
711.2
1016
790
DN750
433
900
1397
635
768.0
1020
835
DN800
433
900
1524
686
812.8
1095
860
DN850
433
900
1625
737
863.6
1172
793
DN900
433
900
1727
781
914.4
1237
913
DN1000
433
900
1900
874
1016.0
1385
965
DN1100
550
900
2000
976
1117.6
1600
970
DN1200
550
900
2100
1020
1219.2
1700
975
DN1300
550
900
2200
1166
1320.8
1967
980
DN1400
550
900
2300
1262
1422.4
2100
990

 

 
 
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