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  • Product Name: Wafer Type Pinless Non-backed Seat Butterfly Valve
  • Added time: 2017-07-31
  • Series No.: KF-1500
  • Views : 92

Product Feature

  • Centerline structure, pinless  through shaft or double half shaft design.
  • Disc has twoway bearing, no installation direction requirements.
  • End flange can meet different connection standards.
  • Nonbacked replaceable seat with good performance and a longer working life.
  • Easy installation, no need flange gasket.

 

Technical Parameters

Nominal diameter(mm)
50~300
50~300
Nominal pressure(Mpa)
1.0 
1.6
Testing pressure
Shell(Mpa)
1.5
2.4
Seal(Mpa)
1.1
1.76
Suitable temperature
-40°C~200°C
Suitable medium
Drinking water、sewage、seawater、food、medicines、gas、oil and acid

 

Main Raw Material

Body
Disc
Stem
Seat
Actuator
Cast iron
Plated ductile iron
Stainless steel
EPDM/NBR
lever
Ductile iron
CF8
WRAS-EPDM
gearbox and handwheel
Carbon steel
CF8M
Viton
Electric
Stainless steel
Aluminum bronze
customised
Silicon
Pneumatic
PS:1. Non-backed replaceable seat   2.Pinless Nylon disc/Epoxy disc

 

Reference Standard

Design standard
API 609
Testing standard
API 598
Top flange standard
ISO5211
End flange standard
DIN PN10 / PN16、ANSI 125# / 150#、BS4504 PN10 / PN16、JIS B2220 10K
Face to face standard
API 609、EN558-1 20 Series、BS5155、DIN3202 K1

 

Overall Dimension and Weight

Size
A
B
D
Top Flange
ΦE
DIN PN10
DIN PN16
ANSI 150#
Weight(kg)
N-Φd
ΦD
N-Φd
ΦD
N-Φd
ΦD
DN50
216
142
43
F05
65
4-18
125
4-18
125
4-19.0
120.6
3.37
DN65
235
154
46
F05
65
4-18
145
4-18
145
4-19.0
139.7
4.11
DN80
266
171
46
F05
65
8-18
160
8-18
160
8-19.0
152.4
4.70
DN100
296
184
52
F07
90
4-18
180
4-18
180
4-19.0
190.5
6.20
DN125
340
213
56
F07
90
4-18
210
4-18
210
4-22.4
215.9
7.85
DN150
366
226
56
F07
90
4-22
240
4-22
240
4-22.4
241.3
10.70
DN200
420
253
60
F10
125
4-22
295
4-22
295
4-22.4
298.4
15.60
DN250
486
292
68
F10
125
4-22
350
4-26
355
4-25.4
361.9
20.90
DN300
580
337
78
F10
125
4-22
400
4-26
410
4-25.4
431.8
35.20