Control Valve Diaphragm Dembla M.No.- M22

Valve Sizes and Ratings : DN15 thru DN750 NB / 1/2" thru NB30" (ANSI 150#, 300# and 600#, Equivalent in BS and DIN) DN15 thru DN100 NB / 1/2" thru NB4" (ANSI 900# ,1500# and 2500#) End Connections : Flanged End (RF, RTJ and TG) - All sizes Butt Weld End - All sizes Socket Weld End up to size 2" Screwed End up to size 2” Valve Body MOC : Carbon Steel ASTM A216 Gr. WCB, Alloy Carbon Steel ASTM A217 Gr . WC1, WC6, WC9, C5, C12, A352 LCB, LCC, LC3, Stainless Steel ASTM A351 Gr. CF8, CF8M, CF3, CF3M, CF8C, Alloy Steel Hast 'C', Alloy 20, Nickel, Titanium, Monel, etc All other Materials available on request. Trim MOC : Stainless Steel ASTM A479 Type Ss316, SS304, SS316L, SS304L, SS904L Alloy Steel Hast 'C', Alloy 20, Nickel, Titanium, Monel, etc All other Materials available on request. Gland Packing : V-Teflon -150 C to +200 C Graphite -150 C to +600 C 0 0 0 0 Body Gaskets : Compressed Non Asbestos Fibre (NAF) S. S. Spiral wound with P.T.F.E. / Graphite Fillers and as per requirements. Flow haracteristics : Standard Trim- Linear, Equal Percentage, On-off Modified Equal Percentage available on request Rangeability : 30:1 Standard (50:1 or higher available on request) Cv Values : Refer Tables 2A, 2B, 2C and 2D Leakage Rates : As per ANSI / FCI 70-2, Class VI (With Soft Facing) Tight Shutoff Class III and IV (With Metal to Metal Seating) (Class V- With Metal to Metal Stellite Faced Trims available on request) Bonnets : Standard Extended Plain Extended Finned Bellows Bonnet Cryogenic Manual Overrides : Top mounted version up to size 4” Side mounted version recommended above size 4” Accessories : Pneumatic Valve Positioner, Electro Pneumatic (E/P) Valve Positioner, Air Filter Regulator, Air Lock Relay, Air Volume Booster, Limit Switch, Proximity Switch, Solenoid Valve, Position Transmitter, Quick Exhaust Valve, Volume Tank. etc