| Butterfly Valves |
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Wafer type butterfly valve with an integrally bonded elastomer liner. Requiring absolutely no form of maintenance the UNIMAC is a perfect "Fit and forget"valve.
Available with either a flangeless or lugged body,in a size range of 50-600 mm,a pressure rating of up to PN 16 and offered with latching lever or actuation as well as different combination of disc and seat materials, "UNIMAC" is a truly versatile valve. |
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| Features |
Benifts |
| Integrally bonded body seat |
Easy And Trouble free mounting in the pipeline. No maintence. No tearing and distortion of liner. Exceptionally long seat life. Uniform sealing. Suitable for vacuum and high flow applications. |
| Stainless steel fully machined shaft(Optinal) PTFE coated |
Permanent dry lubrication. Ease of operation. Prevents corrosion on shaft. |
| Primary and secondary seals integral with body lining |
Ensures compatibility with media |
| Different disc and seat combination avaiable |
Suitable for a wide range of applications. |
| Weatherseal feature |
Atmospheric sealing to valve internals. |
| Spherical machined and polished disc(optional) |
Ensures longer seat life,easier operation and tight shut-off. |
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| Applications |
| General Applications |
Continuous Working
Temperature Range |
Maximun Working Pressure |
Disc Material |
Seat Material |
| Oils, fuels, water, air, gases, powders, pellets, slurries etc |
Hydrocarbons
(Except aromatics)- 10C to 90C
Other Liquids - 10C to 80C
Dry Services - 10C to 60C |
16 bar |
Epoxy coated
SG iron |
Black Nitrile |
| Brines, sea water, estuary water, marine bilge and ballast systems |
Liguids - 10C to 80C |
16 bar |
Aluminium Bronze
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| Steam, water, hot gases, powders, slurries and aqueous slurries of an abrasive nature |
Liquids - 10C to 120C
Dry services - 10C to 100C |
16 bar |
Stainless stell Periphery
Polished |
General
Purpose
EPDM |
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| Additional Feature |
- O ring is provided to reduce the actuator torque and atmospheric sealing of the valve interior.
- It is provide for up to 600 mm dia.
- Long extended Neck for insulation purpose on request.
- Detachable hand lever to stop misuse of valve
- Special material combination as per buyers' request.
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| Valve size mm
(Inches) |
50
(2) |
65
(2.5) |
80
(3) |
100
(4) |
125
(5) |
150
(6) |
200
(8) |
250
(10) |
300
(12) |
350
(14) |
400
(16) |
450
(18) |
500
(20) |
600
(24) |
| B |
43.5 |
45.5 |
45.5 |
53 |
56.5 |
56.5 |
61 |
68.5 |
79 |
79 |
103 |
115 |
128 |
155 |
| C |
140 |
153 |
160 |
178 |
194 |
203 |
239 |
271 |
310 |
318 |
370 |
410 |
440 |
500 |
| E - Flow control lever
Standard gear unit
Heavy duty gear unit
|
180
427
- |
193
440
- |
200
447
- |
218
465
-
|
234
481
- |
243
490
-
|
306
409
455 |
338
441
488 |
377
-
527
|
-
-
535 |
-
-
587 |
-
-
790 |
-
-
820 |
-
-
880 |
| F |
65 |
78 |
85 |
105 |
118 |
144 |
169 |
237 |
272 |
342 |
377 |
447 |
477 |
547 |
| H - Wafer flangeless
Wafer lugged |
103
121 |
110
135 |
130
180 |
161
208 |
193
238 |
220
261 |
273
322 |
328
394 |
378
462 |
438
531 |
489
598 |
532
644 |
580
710 |
685
836 |
| N - Flow control lever
Standard gear unit
HEavy duty gera unit |
311
152
- |
311
152
- |
311
152
- |
311
152
- |
311
152
- |
311
152
- |
619
267
375 |
619
267
375 |
619
-
375 |
-
-
375 |
-
-
375 |
-
-
552 |
-
-
552 |
-
-
552 |
| U - Flow control lever
Standard gear unit
Heavy duty gear unit |
268
76
- |
268
76
- |
268
76
- |
268
76
- |
268
76
- |
268
76
- |
508
187
255 |
508
187
255 |
508
-
255 |
-
-
255 |
-
-
255 |
-
-
437 |
-
-
437 |
-
-
437 |
| ZN |
27 |
47 |
63 |
83 |
107 |
136 |
185 |
234 |
280 |
328 |
377 |
424 |
476 |
573 |
| ZF |
4 |
10 |
16 |
23 |
32 |
45 |
67 |
88 |
106 |
130 |
144 |
163 |
183 |
220 |
| Handwheel dia.
- Standard gear unit
- Heavy duty gear unit |
152
- |
152
- |
152
- |
152
- |
152
- |
152
- |
250
300 |
250
300 |
-
300 |
-
300 |
-
300 |
-
578 |
-
578 |
-
578 |
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| Material Specification |
| Part |
Material of Contruction |
| Body |
Cast Iron to BS 1452 Gr 220 |
SG Iron to BS 2789 Gr 420/12
Stainless steel ; ICCF8 /ICCF8M |
| C/S to ASTM A216 Gr WCB |
| Body liner |
Black Nitrile |
| EPDM/ NEOPRENE /PTFE |
| Disc |
SG Iron to BS 2789 Gr 420/12 with EPOXY coating |
| AI. Bronze to BS 1400 Gr AB2/AB1 |
| S/S to ASTM A351 Gr CF8/CF8M edge polishd |
| Shaft |
Fully machined SS 410 / SS304 / SS316 |
| Bearing |
Matching O ring as required |
| Standard flow control lever |
MS Powder coated Iron to BS 2789 Gr 420/12 |
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| Torque Data - Nm* |
| Valve Size(mm) |
LinePressur(bar) |
| 14 |
16 |
| 50 |
11.5 |
12.5 |
| 65 |
16.5 |
19.5 |
| 80 |
24.5 |
27.5 |
| 100 |
35.5 |
40.5 |
| 125 |
54.5 |
61.5 |
| 150 |
82 |
94 |
| 200 |
160.5 |
182.5 |
| 250 |
245 |
280 |
| 300 |
280 |
319 |
| 350 |
452.5 |
514.5 |
| 400 |
814 |
926 |
| 450 |
1048 |
1193 |
| 500 |
1326 |
1507 |
| 600 |
2663 |
3030 |
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| Operation |
| Valve Type |
Size Range(mm) |
| Flow Control Lever |
50 to 300 |
| Standard Gear Unit |
50 to 250 |
| Heavy Duty Gear Unit |
200 to 600 |
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| Pressure Rating |
| Seat |
Rating |
Test Pressures(bar) |
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Body/Disc |
Seat |
| Black Nitrile/EPDM |
16 |
24 |
17.6 |
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| Standards |
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Size(mm) |
Standards |
| Face to Face |
50 to 300 |
BS 5155 - Wafer Short
API 609 - Category A
MSS SP 67 - Narrow Body
ISO 5752 - Short
IS 13095 |
| 350 to 600 |
BS 5155 - Wafer Medium
PI 609 - Category A(Except DN 350)
MSS SP 67 - Wide Body
ISO 5752 - Medium
IS 13095 |
| Valve Design |
BS 5155/IS 13095 - Specification for Butterfly Valves |
| API 609 - Lug and Wafer type Butterfly Valves |
| MSS SP 67 - Butterfly Valves |
| ISO - Metal valves for use in flanged pipe system.Face to face and centre to face dimensions |
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Flanges
The valves are of short pattern type and have been designed to fit between flanges without gaskets drilled to BS 10 Tables 'D','E',and 'F',ANSI 125/150, DIN PN 10/16, BS 4504(PN 10/16), Tables 6 yo 9 of IS : 6418, Table 10 to 20 of IS : 6392 and Tables 4 to 6 of IS : 1538
Accessories
UNIMAC butterfly valves can be supplied with factory fitted pneumatic, hydraulic or electric actuators along with other accessories such as limit switches,manual overrides,positioners etc. to form a complete flow control package. Heavy duty gear unit are supplied for valves to be fitted with electric actuators.
Installation, Operating and Maintenance instructiontions for the are available on request.
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Note : Due to constant up gradation, dimensions are subject to change by the manufacturer. |
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