PRODUCT NAME: PUMP DISCHARGE VALVES
Pump discharge valve facilitate the required operating time at the pump house to arrest at the surge/reversal of flow to pump. Replace two valves (Isolating valve + Non return valve) function in one valve.
Body material – Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel, Cast steel
Disc material – Ductile Iron, Carbon steel.
Clamping ring material – Stainless Steels, Carbon steel.
Seal material – EPDM, Nitrile.
FEATURES OF PUMP DISCHARGE VALVES:
Resilient seated Butterfly vales, bi-directional:
► “Blow-out proof” design to ensure no accidental stem push-out takes place under pressure.
► Available with a variety of hydraulic actuation.
► Adjustable closing time according to surge study can be achieved.
► After installation, final tuning / site adjustment of operating time can also be achieved.
► Standby pump optional available.
► Hand pump during power failure is inbuilt.
► Power pack manufacturer – only from reputed, proven make.
► Hydraulic units in enclosed container only, synchronized with Control panel.
► Each Hydraulic operated Butterfly valve tested individually.
► Double eccentricity is calculated and provided for each application and not a thumb rule of fixed eccentricity.
TECHNICAL SPECIFICATION | |
Manufacturing & Testing Standard | BS 5155 (BS EN 593)/ IS 13095 |
End Connections | Double flanged (short/long) Flanges drilled to IS/BS/ANSI/DN as per customer requirement |
Size Range | Flanged : 600 mm to 3000 mm |
Pressure Ratings | BS 5155 (BS EN 593) /IS 13095 – PN6, PN10, PN16, PN20 & PN25 |
Power operations | Hydraulic |
Seal | B-type |
MATERIAL OF CONSTRUCTION | |
Component | Material of construction |
Body | CI IS 210 Gr. Fg. 260/300, SG Iron – IS 1865 Gr. 500/7, 400/12, CS-ASTMA-A-216 Gr. WCB, MS Fabricated, MS IS 2062 Gr. Fe. 410A/B |
Disc | SG Iron – IS 1865 Gr. 500/7, 400/12, CS-ASTMA-A-216 Gr. WCB, MS Fabricated, MS IS 2062 Gr. Fe. 410A/B |
Clamping ring | MS IS 2062, CS-ASTMA-A-216 Gr. WCB, Stainless Steel ASTMA-273 Gr. CF8/ CF8M, Stainless Steel AISI-410 /304/ 316L |
Disc seal | Nitrile, EPDM. |
Shaft | Stainless Steel AISI-410 /304/ 316L, BS 970 420/431 |
Bearing bush | Sleeve type Teflon lined / IS-318 LTB2 |
Fastners | Internal S.S. 410/ 304/ 316/ 316L, External – High tensile steel. |