Rubber Lined Diaphragm Valve – Weir A Type

Special Alloy Diaphragm Valves : All ALEX VALVES AUTOMATION Weir Industrial Diaphragm Valve are available in these Special Alloys like Titanium Alloy, Zirconium Alloy, Nickel Alloy, Hastelloy Alloy, Inconel Alloy, Incoloy Alloy, Monel Alloy, Aluminium Bronze and Duplex Steel.

Technical Specifications :

1) Size : 15 mm to 300 mm

2) Design Standard : BS EN 13397 : 2002 (BS 5156)

3) Testing Standard : BS EN 12266-1 (BS 6755 Part 1)

4) Material of Construction :
a. Cast Iron (IS 210 Gr. FG 200/220/260)
b. Cast Carbon Steel (ASTM A 216 Gr. WCB)
c. Cast Stainless Steel – SS 304 / SS 304L (ASTM A 351 Gr.CF8 / CF3)
d. Cast Stainless Steel – SS 316 / SS 316L (ASTM A 351 Gr. CF 8M / CF3M) e. Duplex Stainless Steel Grade 2205

5) Body Rubber / Plastic or Fluoropolymer Lining :
Hard Rubber (Ebonite), Natural, Neoprene, Hypalon, Butyl, EPDM
FEP (Fluorinated-Ethylene-Propylene), PFA (Per-Fluoro-Alkoxy)
PVDF (Poly-Vinyl-Dene-Fluoride)

6) Diaphragms :
a. Natural b. Neoprene c. Hypalon d. Butyl e. EPDM f. Silicone g. PTFE Backed by Neoprene Rubber

7) Stem or Spindle : AISI 410 / 304 / 316

8) End Connections : Flanged Ends to BS 10 Table (D, E, & F), DIN PN 10 & 16, ANSI B 16.5 Class 125 & 150, Butt Weld

9) Face to Face : EN 558-1 Series 7 (ex BS 5156) and EN 558-1 Series 1 (ex DIN 3202 Series F1)

Application Industries of ALEX VALVES AUTOMATION Weir Type Rubber Lined Diaphragm Valve : Weir Type Unlined and Rubber Lined Diaphragm Valves are used extensively throughout many industries like :

Chemical Processing

Mining &Mineral Processing

Power generation

Water Treatment & Filtration

Electroplating

Steel Production

Food & Beverage

Paints & Coatings

Textiles & Leather

Semiconductors

Pharmaceuticals

Sugar

Pulp & Paper.