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" Saifee Building ",
266, Linghi Chetty Street, Post Box No.1291, Chennai-600 001,India Ph:91-44-2522 2398/ 2522 2426 Fax:044-2522 2426 E-Mail mfdgahco@vsnl.net |
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Products
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Products -We are Authorised stockists for the following :
Diaphragm Values
Diaphragm Valves, Series 'S'
Diaphragm Valves, Series S
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Weir type - Straight Pattern, to BS : 5156, DIN : 3202-F1of cast iron, cast carbon steel, cast stainless steel, other alloys also rubber-lined cast iron or cast carbon steel (only Flanged)
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Range of application
| Size mm | Pressure
rating bar |
Hyd. test pressure in bar for | |
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| Body | Seat | ||
| 6-50 | 16.00 | 24.00 | 16.00 |
| 65-100 | 10.50 | 15.75 | 10.50 |
| 125-150 | 10.00 | 15.00 | 10.00 |
| 200 | 7.00 | 10.50 | 7.00 |
| 250-350 | 6.00 | 9.00 | 6.00 |
| FLANGES : Size 15 - 80
...connecting dimensions and thickness to BS - 10 Table `F' (BS
:5156) FLANGES : Size 100 - 350 ...connecting dimensions and thickness to ANSI B 16-1 Class 125 lbs(BS :5156) FLANGES : Size 15 - 350 ...connecting dimensions and thickness to BS : 4504, PN-10 / PN-16 (DIN : 3202 -F1) Standard screwed ends : Size 6-100 ...to have BS : 21 - (parallel or taper-threads) or ANSI / ASME B1.20.1 (NPT) threads. Socket weld ends & Buttweld ends : Size 6-100 as per ANSI B 16.11 & ANSI B 16.25 suitable for schedule 40 /40S respectively. |
Materials
| Body | Cast iron IS : 210 Gr FG 260, Carbon Steel (WCB), Stainless Steel (CF8 / CF8M) |
| Bonnet / Compressor | Cast iron IS : 210 Gr FG 260 / WCB / CF8 / CF8M . |
| Diaphragm | Quality according to working conditions. |
| Stem | Ferritic chrome steel AISI-410. |
| Bushing | S G iron IS : 1865 Gr 500 / 7. |
| Connecting studs / nuts | Steel IS : 1367. Gr 4.6 / 4 |
| Hand wheel | Cast iron IS : 210 Gr FG 200. |
| Surface protection for Cast Iron and Cast Carbon Steel Valves | Prime coat : chlorine free with modified alkyd resin,
un-objectionable in physiological and toxicological
respects. Additional external coating : machine varnish black, for Cast Iron & Black for Carbon Steel. |
Features
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Straight pattern, without stuffing-box, absolutely leak tight with rising stem and non-rising handwheel. The valve is closed by turning the handwheel in clock wise direction. The travel stop is also serving as indicating device. Diaphragm can be replaced without removing the valve from the pipeline. |
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We are
Authorised Stockists for the Undermentioned
Products: Diaphragm
Valves (BDK) |
