المعلمات الفنية الرئيسية:
Nominal diameter
40mm~1200mm
Flange standard
ISO7005-2 1988
Maximum operating pressure
1.6MPa
Housing test pressure
1.5 times the working pressure
Seal test pressure
1.1 times the working pressure
Operating temperature range
NBR seat -10°C~80 °C, EPDM seat -20°C~120°C
Allowable temperature for long-term use
NBR seat 0°C~60 °C, EPDM seat 0°C~100°C
material
(See Table of Optional Materials)
Structural dimensions
ISO5752-88
Drive type
handle
50mm~300mm
worm wheel
50mm~1200mm
Pneumatic
50mm~1200mm
electric
50mm~1200mm
Surface treatment
Epoxy polyester coating, nylon 11, baking paint
المواصفات القياسية
The name of the item
Adopt standards
Optional criteria
Design, manufacturing and acceptance
GB/T12238-1989
ISO/DIN10631-91
Valve structure length
GB/T12221-1989
ISO5752-88
Valve flange connection
GB9113-1988
ISO7005. 2
Valve inspection
GB/T13927-1992
ISO/DIN5208-87
Valve marking
GB12220-1989
ISO5209-87
The drive is connected
GB12223-1989
ISO/DIN5211-89
Valve supply requirements
GB/T12252
————
ملاحظة: لا تتوافق صمامات الفراشة فقط مع معايير ISO ، GB ، ولكنها أيضًا متوافقة مع المعايير الوطنية الأخرى في العالم.
Sealing pair material
Applicable temperature
The type of media and the degree of suitability
Outstanding features
fresh water
Sea water
Salts
Strong alkali
Weak alkali
Strong acid
Weak acid
Nature
Alcohols
Air
Steam
Oils
Food
Seat
Nitrile
-12℃~82℃
A
A
A
B
A
D
B
A
C
A
D
A
B
Oil-resistant
Triethylene propylene (EPD).
-35℃~135℃
A
A
A
A
A
C
A
B
B
A
A
C
A
Resistant to aging
Corrosion-resistant EPDM
-35℃~160℃
A
A
A
A
A
A
A
B
B
A
A
C
A
Corrosion resistance, aging resistance
Viton
-23℃~135℃
A
A
A
A
A
C
A
A
C
A
A
A
A
High temperature resistance, corrosion resistance
polytetrafluoroethylene
-10℃~150℃
A
A
A
C
A
A
A
A
A
A
A
A
A
Corrosion-resistant, high-temperature resistant
Butterfly plates
Ductile iron plating
-30℃~350℃
B
D
C
D
C
D
C
B
A
B
A
A
C
heat resisting
Ductile iron nylon cladding
-30℃~100℃
A
A
A
A
A
D
A
A
C
A
D
A
A
Corrosion resistance, wear resistance
Aluminium bronze
-273℃~232℃
A
B
C
D
C
D
B
A
A
A
A
A
C
Heat-resistant and corrosion-resistant
stainless steel
-268℃~316℃
A
B
C
C
B
C
A
A
A
A
A
A
A
High temperature resistance, corrosion resistance
حجم الاتصال (مم)
Called the diameter
The length of the structure
Dimensions
Connection size (Typical)
0.6MPa
1.0MPa
1.6MPa
millimetre
inch
L
H
H0
A
B
D0
n-d
D0
n-d
D0
n-d
50
2
43
63
315
180
65
110
4-14
125
4-18
125
4-18
65
21/2
46
70
330
180
65
130
4-14
145
4-18
145
4-18
80
3
46
83
390
245
72
150
4-18
160
8-18
160
8-18
100
4
52
105
431
240
72
170
4-18
180
8-18
180
8-18
125
5
56
115
455
240
72
200
8-18
210
8-18
210
8-18
150
6
56
137
626
350
93
225
8-18
240
8-22
240
8-22
200
8
60
164
720
350
93
280
8-18
295
8-22
295
12-22
250
10
68
206
800
550
350
335
12-18
350
12-22
355
12-26
300
12
78
230
860
600
350
395
12-22
400
12-22
410
12-26
350
14
78
248
883
600
350
445
12-22
460
16-22
470
16-26
400
16
102
289
972
600
350
495
16-22
515
16-26
525
16-30
450
18
114
320
1043
750
380
550
16-22
565
20-26
585
20-30
500
20
127
343
1098
750
380
600
20-22
620
20-26
650
20-33
600
24
154
413
1236
750
380
705
20-26
725
20-30
770
20-36
700
28
165
478
1431
750
380
810
24-26
840
24-30
840
24-36
800
32
190
525
1488
750
380
920
24-30
950
24-33
950
24-39
900
36
203
620
1615
1250
380
1020
24-30
1050
28-33
1050
28-39
1000
40
216
725
1765
1500
580
1120
28-30
1160
28-36
1170
28-42
1200
48
254
780
1976
1500
580
1340
32-33
1380
32-39
1390
32-48
زوج ختم وسيط مناسب
جدول توصية درجة الحرارة: A مع قابلية للتطبيق للغاية C قابلة للتطبيق محدودة قابلة للتطبيق غير قابلة للتطبيق
(Typical)
(Reference value)
