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  • Product Name: Wafer Type Pinless Backed Seat Butterfly Valve
  • Added time: 2017-09-26
  • Series No.: KF-1100
  • Views : 108

Product Feature

  • Centerline structure, pinless double half shaft design.
  • Disc has twoway bearing, no installation direction requirements.
  • End flange can meet different connection standards.
  • Backed 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
Stainless steel
 
CF8M
Viton
 
Stainless steel
Electric
 
Aluminum bronze
customised
Silicon
Pneumatic
PS:1. ·Replaceable backed seat        2. ·Pinless disc/Nylon disc/Expoy disc

 

Referance 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
Face to face standard
API 609、EN558-1 20 Series、BS5155、DIN3202 K1

 

Overall Dimension and Weight

Size
A
B
D
ΦE
Weight(kg)
DN50
208
143
43
102
3.15
DN65
227
156
45.5
102
3.95
DN80
240
162
45.5
102
4.34
DN100
273
181
51.7
102
6.14
DN125
303
197
55
102
7.58
DN150
331
210
55
102
9.3
DN200
390
240
62.5
152
14.8
DN250
465.8
285.8
67.6
152
21.44
DN300
544
310
77.5
152
33.7