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BUTTERFLY VALVE
Slenseal Butterfly Valves for Water Works Purpose Conforming to BS 5155/AWWA C 504


RESILIENT SEATED SLENDER SEAL DROP
TIGHT WAFER TYPE BUTTERFLY VALVES

VALVE SIZE 50
2"
80
3"

100
4"
125
5"
150
6"
200
8"
250
10'
300
12"
FACE TO
FACE MM
43 46 52 54 56 60 68 78
 
MATERIAL OF CONSTRUCTION

PART PART NO.
MATERIAL
BODY 1 C.I.210 GRADE FG 220/BS 1452 GR 220/ASTMA 216 WCB/CF8/M/CF8
DISC 2 C.I.IS 210 GRADE FG 220/S.G. IRON 1865 S.G. 400/ NYLON COATED/ASTMA 216 WCB/CF8/M/CF8M/CF8
STEM 3 AISI 410/SS 304 (PTFE BEARINGS)
BODY SEAT 4 NITRILE RUBBER/NEOPRENE
(RENEWABLE) OR SUITABLE MATERIAL TO SUIT SERVICE
 
PRESSURE RATING

RATING (BAR) SIZES MM
TEST PRESSURE (BAR)
BODY SEAT
10 50-300 15 10
16 50-300 24 16

LARGE SIZE BUTTERFLY VALVES AVAULABLE IN SIZES 350 MM TO 1200 MM WITH FLANGED ENDS FACE TO FACE CONFIRMING AWWA C 504 OR BS 5115.

FLANGES WILL BE FACED AND DRILLED TO ANSI B. 16.1 CLASS 15 OR ANY INTERNATIONAL STANDERS.
GENERAL DESIGN FOR WAFTER TYPE

SLENDER SEAL BUTTERFLY VALVES SIZES 50 MM 300 MM DISTINCTIVE ADVANTAGES OF SLENSEAL VALVES
  • Minimum overall dimensions and less weight
  • Tight Shut-off even after innumerable operations.
  • Suitable for regulation purpose
  • Renewable seats. Nil Maintenance. No pipe gaskets required.
  • Flow direction both ways
  • 900 movement for full open /close position .Provision for intermediaters locking for regulation/controlling purpose.
SEVEN SAVING WAYS ON SL-ENSEAL VALVES
  • WEIGHT. Approximately 1/4th the weight of an equivalent Cast Iron/cast steel globe, gate or plug valve.
  • SPACE. Occupies 1/5th space in pipe line of an equivalent globe. Gate and Plug Valve.
  • PROTECTION. Body and stem totally protected from service fluid.
  • MAINTERNANCE. No routine maintenance required.
  • INSTALLATION. Compact design and light weight facilities easy site installation.
  • VERSATILITY. Valve suitable for on-off and throttling control.
  • PERFORMANCE. SLENDER SEAL Butterfly valves offered are with full backup guarantee for quality and performance. Valves can be offered under third party inspection.
   
NOTES :

  1. ALL DIMENSIONS ARE IN MILLIMETRE
  2. DESIGN AS PER : BS : 5155/IS : 13095 (Short Body)
  3. pressure rating : Pn. 25
  4. tolerance on dimension      'A'

    ON < 200       #1

    ON > 250       #2
  5. HYDRO TEST PRESSURE KG.CM2

    Body       21

    Disc       10
  6. VALVES CAN BE INSTALLED BETWEEN FLANGES REGARDING ANY SPECN.

SIZE DH A B C
Max
D
Max
SPINDLE L
Max
H
Max
X Y
Max
QTY
DIA
40 33 40 26 95 10 190   22    
50 43 51 30 115 12 190   22    
65 46 65 50 130 12 190   22    
80 46 79 66 140 12.5 190   22    
100 52 101 90 155 14 270 100 27 75  
125 56 125 115 175 17 270 100 27 75  
150 56 150 142 195 19 270 100 27 75  
200 60 200 195 235 25   220   85  
250 68 250 245 280 30   240   90  
300 78 300 290 325 35   240   90  
350 92 350 292 325 40   335   115  
 
PT. NO. DESCRIPTION MATERIAL SPECN
1 Hand wheel M.S. Fabricated -
2 Gear Box C.I. BS : 1452, GR. 22
2A Lever Optr Aluminum -
3 Bolt. Nut & Washer S.S. -
4 Positioning S.S. -
5 Locating Ear Same as 1 -
6 Body Screws Carbon Steel -
7 Washer Same as 4 -
8 Disc Screws S.S. -
9 Bearing PTFE -
1O Stem Bush Same as 4 -
11 Jointing Ring EPOM -
12 Seat NITRILE RUBBER -
13 STEM S.S. AS : 970, P.T.I, GR
14 Stem-disc S.S. 410521/ASTMA 479 4304
15 Disc C.I. BS : 1452, GR 220
16 Body C.I. - DO -