DIAPHRAGM VALVES ( WEIR TYPE)

 

 

Special Features of “SUMKA”  Diaphragm Valve

         *    Lifetime Construction & Moving parts Completely enclosed               

         *    Cast Iron Diaphragm Housing and space saving Design

                 *    No Stem packing or stuff box

                 *    Easy Diaphragm Replacement.

 

                                 

 

 

                               Dimensional Detail      Application      Catalogue

 

      Standard Material of Construction

 
 

Description

Material

1

Body

Cast iron/FG 200
2

Lining

Ebonite Rubber

3

Diaphragm

Neoprene Rubber

4

Bonnet

Cast iron/FG 200

5

Compressor

Alu.  for 15 to 50NB
Cast Iron above 65NB
6 Compressor Bush MS for 200NB above
7 Stem SS 401
8 Stem Bush SG Iron
9 Stem Extension SS 401 for above150NB
10

Thrust Bearing

MS above 80NB
11 Compressor Pin MS upto 25NB
SS 304 above 32NB
12 Grub Screw with Locknut MS
13 Lub Fitting Brass
14 Handwheel Cast iron/FG 200
15 Stud/Bolt Galvanized Steel
16 Nut Galvanized Steel

 

·        Other Material Available against specific requirements

 

 

Pressure testing    Kg/cm2

Type

15mm to 25mm

32mm to 50mm

65mm to 100mm

125mm & 150mm

200mm

250mm

300mm

Body

21

18 15.75 13.25 10.50 7.50 6.50

Seat

14

12 10.50 8.75 7.00 5.00 4.25

Air

Seat

5.00

5.00 5.00 5.00 5.00 5.00 5.00

 

 

 

 

 

 

 

Over All Dimensions

Size "MM" A B T Weight KG
15 114 83 3 2.4
20 123 90 3 3.0
25 133 102 3 4.3
32 152 110 3 5.5
40 165 141 3 7.2
50 196 153 3 10.5
65 222 172 3 15.5
80 261 221 3.5 25.5
100 312 243 3.5 37.6
125 364 296 4 62
150 414 348 4 86.5
200 531 470 5 163
250 645 559 5 265
300 759 651 5 450