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Wafer Type Dual Disc Check Valve KF-8100

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Product Feature

Centerline structure, short face to face length, small volume and light weight.

Unobstructed flow passage, small fluid resistance.

Disc uses the spring to load, its quick closedown can effective reduce the hammer pressure.

The sealing property is good, the closure does not have noise and can meet the requirement of zero leakage.

Easy installation, can be used in both horizontal and vertical pipes.

Technical Parameters
Nominal diameter(mm)
50～700
50～700
Nominal pressure(Mpa)
 1.0 
1.6
Testing pressure
Shell(Mpa)
1.5
2.4
Seal(Mpa)
1.1
1.76
Suitable temperature（°C）
-40°C～200°C
Suitable medium
Drinking water、sewage、seawater、food、medicines、gas、oil and acid

 

Main Raw Material
Body
Disc
Stem
Seat
Spring
Cast iron

Plated ductile 

iron

Stainless 

steel

EPDM/NBR
SS304
Ductile iron
CF8
WRAS-EPDM
SS316
Carbon steel
CF8M
Viton

Stainless steel
Aluminum bronze
customised
Silicon

PS：Vulcanized seat

 

Reference Standard
Design standard
BS5153
Testing standard
API 598
End flange standard
DIN PN10 / PN16、ANSI 125# / 150#、BS4504 PN10 / PN16
Face to face standard
EN558-1 16 Series

 

Overall Dimension and Weight

Wafer Type Dual Disc Check Valve KF-8100(图1)

Size
ΦD
ΦD1
L
Weight(kg)
DIN PN10
DIN PN16
ANSI 150#
DN50
107
107
102
65
43
1.50 
DN65
127
127
121
80
46
2.40 
DN80
142
142
134
94
64
3.60 
DN100
162
162
172
117
64
5.70 
DN125
192
192
194
145
70
7.30 
DN150
218
218
219
170
76
9.00 
DN200
273
273
276
224
89
17.00 
DN250
328
329
337
265
114
26.00 
DN300
378
384
384
310
114
37.00 
DN350
438
444
448
360
127
54.90 
DN400
489
495
511
410
140
78.00 
DN450
539
555
546
450
152
119.00 
DN500
594
617
603
505
152
122.00 
DN600
695
734
714
624
178
174.00 
DN700
810
804
828
720
229
261.00 


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