UNIMAC VALVES - manufacturer and exporter of all type of valves

BUTTERFLY VALVES

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.

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.

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	Black Nitrile
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

	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.


Note : Due to constant up gradation, dimensions are subject to change by the manufacturer. All Dimesion are in mm

Valve size mm

(Inches)

(2)

(2.5)

(3)

100

(4)

125

(5)

150

(6)

200

(8)

250

(10)

300

(12)

350

(14)

400

(16)

450

(18)

500

(20)

600

(24)

43.5

45.5

56.5

68.5

103

115

128

155

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

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

552

U - Flow control lever

Standard gear unit

Heavy duty gear unit

268

508

187

255

508

187

255

508

255

437

107

136

185

234

280

328

377

424

476

573

106

130

144

163

183

220

Handwheel dia.

- Standard gear unit

- Heavy duty gear unit

152

250

300

250

300

578

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
Body liner	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
Bearing	Matching O ring as required
Standard flow control lever	MS Powder coated Iron to BS 2789 Gr 420/12

Torque Data - Nm*
Valve Size(mm)	LinePressur(bar)
Valve Size(mm)	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

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

Pressure Rating
Seat	Rating	Test Pressures(bar)
Seat		Body/Disc	Seat
Black Nitrile/EPDM	16	24	17.6

Standards
	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

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.