DIAPHRAGM VALVES
WEIR TYPE BS 5156
D I M E N S I O N S (in mm)
Sizes ->
25
40
50
65
80
100
150
200
250
300
Face to face
127
159
191
216
254
305
406
521
635
749
Flange dia.
114
133
152
165
184
216
279
337
406
457
Handwheel dia.
82
108
133
191
194
241
311
483
584
710
App weight (kgs)
3.00
6.12
9.64
13.38
18.94
31.53
48.6
144
215
385
Tested to hyd. (P.S.I.)
250
150
150
150
150
125
100
75
50
50

LINING TEMP SPARK TEST

PTFE Teflon

170°C 5 kv
Glass 200°C 5 kv
Neoprene 130°C 20 kv
Ebonite 80°C 20 kv

 

D E T A I L S
MOC (body)
CI / CS / SS304 / SS316 / Alloy20
MOC (diaphragm) Natural / Neoprene / Buty / Silicon / PTFE
Design As per Suanders "A" Type
End connection Screwed / Flanged to BS / ANSI / DIN Std
Operated by Hand wheel / Cylinder
On Request (1) Rising spindle as open / close Indicator
On Request (2) Full flow way
On Request (3) Flange generally as per B.S. 10. Table D and others on request.


S.No.
PART
MATERIAL OF CONSTRUCTION
1
Handle wheel
M S Plated
2
Screw
M S Plated
3
Bush
CI / MS / SS / GM
4
Spindle
Teflon PTFE
5
Compressor
SS304 / SS316
6
Bonnet
Teflon PTFE
7
Bolt & Nut
SS304 / SS316
8
Diaphragm
CI / MS / SS / GM
9
Linning
Ebonite / Neoprene / PTFE / Teflon
10
Body
CI IS. 210 FG 200

CI = Cast Iron  CS = Cast Steel  MS = Mild Steel  SS = Stainless Steel(304/316)  GM = Gun metal(copper alloy)