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STOP-CUM-NON RETURN VALVE - STRAIGHT PATTERN CAST STEEL  IBR Certified UV-264-S
STOP-CUM-NON RETURN VALVE - ANGLE PATTERN CAST STEEL IBR Certified UV-266-S

CAST STEEL
 
STOP-CUM-NON RETURN VALVE ND-40- IBR Certified

Straight and Right Angle Pattern, Bolted Bonnet, outside screw & yoke Type Rising Stem with Backseat arrangement Renewable Stainless Steel Trim, Handwheel operated Flanged ends as per BS:4504 Part-1 Table 40/1, identical to DIN 2545 RF, Nominal Pressure Rating PN-40 Confirming  to BS 5160/DN-2401.

  • Hydraulic Test Pressure : Body : 76 kg/cm² (1100 Psig)
                                                     Seat : 40 kg/cm²(580 Psig)
  • Maximum Permissible Temp.: 400°C
   

 
UV-264-S

 		 UV-266-S

 
 


 


 


 

Materials
 
Part No.
Name Of Part
Material
Specification
1
Body, Bonnet, Gland Flanged
Cast Carbon Steel
ASTM A 216 Gr.WCB/IBR 73 to 80 Gr.B
2
Body Seat Ring, Disc, Disc Nut, Stem, Gland
ST. Steel
AISI-410
3
Gasket
Spiral Wounded Asbestos filled SS(AISI-304)
-
4
Gland Packing
Graphited Asbestos
-
5
Handwheel
Malleable Iron
-
6
Bolts, Nuts, Studs, Washers
Carbon Steel
 ASTM A 193 B7
ASTM A 194 2H
7
Yoke Bush
Aluminium Bronze
 


Dimensions in mm
 
    Nominal Size
Aø
Bø
Dø
E
F
G
H
Wø
J
Inch
 MM
1/2"
 15
15
45
95
16
2
130
210
125
90
3/4"
 20
20
58
105
18
2
150
210
125
95
1"
 25
25
68
115
18
2
160
240
160
100
1-1/2"
 32
32
78
140
18
2
180
250
160
105
1-1/4"
 40
40
88
150
18
3
200
270
200
115
2"
 50
50
102
165
20
3
230
285
200
125
2-1/2"
 65
65
122
185
22
3
290
335
250
145
3"
 80
80
138
200
24
3
310
335
250
155
4"
 100
100
162
235
24
3
350
400
315
175
5"
 125
125
188
270
26
3
400
502
350
200
6"
 150
150
218
300
28
3
480
567
400
225
8"
 200
200
285
375
34
3
600
630
400
275


 

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