Valves

Specifications

• Size Range: 50mm to 1600mm (Upto 1200mm ISI Marked)
• Mfg/Design Std.: IS 14846(PD) / BS 5163 / BS 5150
• Type Of Valve: Non Rising & Rising Stem
• Pressure Rating: PN 1.0 / PN 1.6 / PN 2.5 / PN 40 Class-125 / Class-150 / Class-300
• Flanged End: IS:1538(Tab-4&6), On Request-BS/ANSI/AWWA/DIN/BSEN
• Body & Other Parts: D.I. to GGG-40/50 or IS:1865 Gr. 400/15 & 500/7, C.S. to ASTM A216 Gr.WCB or IS 1030-450W, C.I. to IS:210 Gr.FG-260 or BS 1452 or ASTM A126
• Seat Ring & Stem Nut: L.T.B. to IS:318 Gr 2/S.S., IS:6603 or AISI-304/316 or Brass
• Stem: S.S. to IS:6603/ AISI-410/304/316 or Brass
• Actuation: Cap, Handwheel, Gearing, Chain Wheel, Electric/Pneumatic Actuator with SCADA compatibility
• Additional Accessories: By-Pass, Shoe Channel, Indicator, Thrust Bearing, Drain Plug, Air Plug, Extn.shafting and head stock arrgt. & Locking Arrgt.

Special Features

• Low pressure loss across the valve
• Face to face dimension available in ANSI B16.10/DIN 3216/MSS-SP70
• Suitable for clear water upto 45°C and 5000ppm turbidity
• Low operating torque ensuring easy operation
• Drop tight closure under full pressure
• Suggested to install in vertical position (can be used in any position)
• Available in gland less design & sealing with ‘O’ ring packing
• Long service life and leak-tightness even after thousands of open/close cycles operation
• Available in Cast Steel & S.G. Iron Stainless Steel for higher pressure rating

Specifications

• Size Range (Upto 2000mm ISI Marked): 50mm to 600mm (Wafer moulded rubber lined body), 200mm to 2700mm (Flanged Renewable Soft Seal on Disc)
• Mfg/Design Std.: IS 13095 / BS 5155 / AWWA C504 / BS EN 593 / API 609
• Type Of Valve: Wafer (Centric/Concentric) & Double Flanged (Single/Double Eccentric)
• Pressure Rating: PN 1.0 / PN 1.6 / PN 2.5 / PN 40 Class-125 / Class-150 / Class-300
• Flanged End: IS:1538(Tab-4&6), On Request-BS/ANSI/AWWA/DIN/BSEN/MSS
• Body & Other Parts: D.I. to GGG-40/50 or IS:1865 Gr. 400/15 & 500/7, C.S. to ASTM A216 Gr.WCB or IS 1030-450W, C.I. to IS:210 Gr.FG-260 or BS 1452 or ASTM A126
• Body Seat: S.S., IS:6603 or AISI-304/316
• Seal Retaining Ring: S.S., IS:6603 or AISI-304/316
• Shaft: S.S., IS:6603 / AISI-410/304/316
• Disc Seal / Body Lining: Nitrile / EPDM / Viton / BUNA-N
• Actuation: Lever, Gear with Handwheel, Electric/Pneumatic Actuator with SCADA compatibility
• Additional Accessories: External By-Pass, Extn. shafting and head stock arrangement, Locking (To facilitate removal of gear box)

Special Features

• Available in Wafer Single Flanged / Wafer Lugged Design
• Integral liner concept in fail safe design
• Suitable for Bi-Directional installation to zero leakage
• Less wear and tear of seal, longer life, self-cleaning and non-jamming seat design
• On request metal sealing design (Upto 600mm dia)
• Available in Cast Steel, Fabricated Steel & D.I.

Specifications

• Size Range: 50mm to 300mm
• Design: AWWA M 51
• Type of Valve: Specially designed non-slam, surge dampening and suppressing
• Pressure Rating: PN 1.0 / PN 1.6 / PN 2.5 / PN 40 Class-125 / Class-150 / Class-300
• Flanged End: IS:1538(Tab-4&6), On Request-BS/ANSI/AWWA/DIN/BSEN
• Body & Other M.S. Parts: M.S. to IS:2062 Gr. Fe-410W
• Seat: Brass
• Ball Float: Wood (Rubber Coated) / S.S.
• Air Inlet Valve: Manufacturer’s Standard
• Air Outlet Valve (Adjustable): Manufacturer’s Standard
• Cushioning: Operated to break vacuum and reduce inertia of running water column using air intake

Functioning

• Discharges large quantities of air during pipe filling
• Admits large quantities of air during pipe drainage or at water column separation
• Air Valve closes when pipe fills with liquid and does not reopen until pressure drops below atmospheric

Special Features

• Alternately called Quick Release Damped Air Valve (QRDA)
• Maximum flow efficiency and surge protection
• Protection against water hammer and vacuum-induced damage
• Available in Cast Iron, Ductile Iron

Specifications

• Size Range: 25mm to 150mm (Screwed End), 50mm to 450mm (Flanged End)
• Mfg/Design Std.: IS 4038
• Pressure Rating: PN 1.0 / PN 1.6 / PN 2.5 / PN 40 Class-125 / Class-150 / Class-300
• Type Of Valve: Lift Type / Screwed Type
• End Connection: Screwed to IS:554/BSP/BSPT/NPT(F), Flanged to IS:1538(Tab-4&6), On Request-BS or ANSI
• Body & Other Parts: D.I. to GGG-40/50 or IS:1865 Gr. 400/15 & 500/7, C.S. to ASTM A216 Gr.WCB or IS 1030-450W, C.I. to IS:210 Gr.FG-260 or BS 1452 or ASTM A126
• Face Seat: L.T.B. / S.S.
• Hinge Pin: S.S. / Brass
• Disc Face: Leather / Rubber / L.T.B.
• Strainer: C.I. / Fab Steel (Galvanised)
• Application: Installed at the lowest point of the intake (suction) piping, below water level

Special Features

• Globe / Swing style designed to provide silent operation
• Flow direction is vertical flow up
• Maintain pump prime between pumping cycles
• Strainer perforations area at least 2.5 times the bore area of the pipe
• Available in Single/Double disc design
• Higher sizes are on request
• Available in Cast Steel / Ductile Iron / Fab Steel

Specifications

• Size Range: 50mm to 1200mm (Wafer Lug / Flangeless type), Flanged Ends on request
• Mfg/Design Std.: MSS SP-81 / AWWA C520-10
• Type Of Valve: Circular / Square opening (Outside screw and yoke ‘OS & Y’ construction)
• Pressure Rating: PN 1.0 / PN 1.6 / PN 2.5 / PN 40 Class-125 / Class-150 / Class-300
• End Connection: To suit between flanges of IS:1538, On Request-BS/ANSI/AWWA
• Body & Other Parts: D.I. to GGG-40/50 or IS:1865 Gr. 400/15 & 500/7, C.S. to ASTM A216 Gr.WCB or IS 1030-450W, C.I. to IS:210 Gr.FG-260 or BS 1452 or ASTM A126
• Yoke: Fab Steel / Cast Steel
• Stem: S.S. to IS:6603 / AISI-410/304/316
• Knife Plate: S.S. to 304/316
• Spring Seal Design: Metal Seated / Soft Seated
• Application Medium: Pulp, Sewage, Slurry & Slag
• Actuation: Hand Wheel, Gearing, Electric / Pneumatic Actuator with SCADA Compatibility
• Additional Accessories: Extn. Shafting and Headstock arrangement, Indicator & Locking arrangement

Special Features

• Tight shut off, stable performance & long service life
• High flow rate with low pressure drop
• Full port in the full open position, with low flow resistance
• Several seat and packing material available
• Low leakage rate (40cc/min/inch)
• Available with PTFE metal seated design
• Disc-stem connection designed to securely hold the disc
• Available in Cast Steel & Ductile Iron

Specifications

• Size Range: 50mm to 500mm
• Mfg/Design Std.: AWWA C509 / DIN 3352 / ISO 5752
• Pressure Rating: PN 10 / PN 16 / PN 25 & PN 40
• Type Of Valve: Non Rising / Rising Stem
• Flanged End: IS:1538(Tab-6), On Request-BS/ANSI/DIN/BSEN/ISO
• Face to Face Dimension: IS: 14846(PD) / BS 5163 or ANSI B16.10
• Body & Other D.I. Parts: D.I. to GGG-40/50 or Equivalent IS / BS / ASTM grade
• Wedge: D.I. Fully Encapsulated with EPDM
• Stem: S.S. to AISI-420 or SS 304/316
• Special Features: Fusion Bonded Epoxy Coating (250 microns)
• Actuation: Handwheel, Gear, Electrical Actuator With SCADA Compatibility

Specifications

• Size Range: Upto 600mm dia (Cast Iron), 200mm to 2000mm (M.S. Fabricated)
• Design: Manufacturer’s Standard
• Pressure Rating: PN 1.0 / PN 1.6 / PN 2.5 / PN 40 / CL-150
• Type Of Flanged Adopter: Dismantling Joint
• Flanged End: IS:1538(Tab-6), On Request-BS/ANSI/AWWA/DIN/BSEN
• Flanged Pipe Long / Short: D.I / C.S / C.I / Fab Steel
• Retaining Flanged: D.I / C.S / C.I / Fab Steel
• Sealing Ring: EPDM / Nitrile Rubber
• Tie Bolt & Nut: Carbon Steel (Zinc Plated)
• Working Pressure: Fully end load resistant; pressure rating equal to flange
• Application: Allows easy installation and removal of valve during maintenance

Special Features

• Accommodates up to 50mm / 2” longitudinal adjustment
• Can be locked at required length with the bars supplied
• Gasket is compressed independently by the tie bars
• Sealing failure cannot occur once the gasket is compressed
• Installation with a spanner and torque wrench
• Mounted on full faced flanged
• Studs are fully threaded for adjustment

Specifications

• Size Range: 50mm to 2000mm
• Mfg/Design Std.: API 594 / API 6D
• Type Of Valve: Wafer & Double Flanged
• Pressure Rating: PN 1.0 / PN 1.6 / PN 2.5 / PN 40 Class-125 / Class-150 / Class-300
• Flanged End: IS:1538(Tab-4&6), On Request-BS/ANSI/AWWA/DIN/BSEN
• Face To Face: API 594 / API6D / MSS SP 125 or Manufacturer’s Standard
• Body & Other Parts: D.I. to GGG-40/50 or IS:1865 Gr. 400/15 & 500/7, C.S. to ASTM A216 Gr.WCB or IS 1030-450W, C.I. to IS:210 Gr.FG-260 or BS 1452 or ASTM A126
• Optional Disc Material: C.S. / S.S. / Brass
• Seat Ring: L.T.B. to IS:318 / S.S. AISI-304/316 & EPDM or Viton or BUNA-N rubber
• Hinge / Stop Pin: S.S. to AISI-410/431/304 or 316
• Seal Design: Resilient Seat / Metal to Metal Seal
• Inspection & Testing: API 598
• Installation Instruction: Door hinge shaft must be vertical for horizontal pipeline installation

Special Features

• More compact & structurally sound design
• All purpose Non Return Valve i.e., Swing Check or Lift Check
• Disc opens 85° to ensure positive closing
• Design facilitates No Water Hammer & Non slam simultaneously
• Function: Plate closes by torsion spring action without reverse flow
• Available in Cast Steel & S.G. Iron

Specifications

• Size Range: 50mm to 450mm (Double flanged straight type), 50mm to 300mm (Flanged end right angle type)
• Mfg/Design Std.: IS 9338 / BS 5152
• Type Of Valve: Straight & Right Angle
• Pressure Rating: PN 1.0 / PN 1.6 / PN 2.5 / PN 40 Class-125 / Class-150 / Class-300
• Flanged End: IS:1538(Tab-4&6), On Request-BS/ANSI/AWWA/DIN/BSEN
• Body & Other Parts: D.I. to GGG-40/50 or IS:1865 Gr. 400/15 & 500/7, C.S. to ASTM A216 Gr.WCB or IS 1030-450W, C.I. to IS:210 Gr.FG-260 or BS 1452 or ASTM A126
• Seat Ring & Sleeve Nut: L.T.B. to IS:318 Gr 2 / S.S., IS:6603 or AISI-304/316
• Stem: S.S. to IS:6603 / AISI-410/304/316 or Brass
• Optional disc seal: Natural / Synthetic / EPDM / Neoprene Rubber
• Optional disc material: Bronze / S.S.
• Actuation: Handwheel, Gearing, Electric / Pneumatic Actuator with SCADA compatibility
• Additional Accessories: By-Pass, Indicator & Locking arrangement (SDSL/SDNR Design)

Special Features

• Outside screw and yoke (OS&Y) construction
• Efficient for throttling service
• Face to face dimension available in ANSI B16.10 / BS EN 558-1 / DIN 3202
• Available in Cone type, Plug type & Ball type disc design
• Disc-stem connection designed for secure holding
• Available in Cast Steel, Alloy Steel, Stainless Steel & Ductile Iron for higher pressure rating

Specifications

• Size Range: 15mm to 50mm (Single Air Valve, ISI Marked), 40mm to 200mm (Double Air Valve, ISI Marked)
• Mfg/Design Std.: IS 14845
• Type Of Valve: Small / Large orifice
• Pressure Rating: PN 1.0 / PN 1.6 / PN 2.5 / PN 40 Class-125 / Class-150 / Class-300
• Screwed End: IS:554 & BSPT (only for small orifice valve)
• Flanged End: IS:1538(Tab-4&6), On Request-BS/ANSI
• Body & Other Parts: D.I. to GGG-40/50 or IS:1865 Gr. 400/15 & 500/7, C.S. to ASTM A216 Gr.WCB or IS 1030-450W, C.I. to IS:210 Gr.FG-260 or BS 1452 or ASTM A126
• Orifice: L.T.B to IS:318 Gr.2 / S.S., IS:6603 or AISI-304/316
• High Pressure Float/Ball: Rubber coated seasoned wood
• Low Pressure Float: Ebonite / Vulcanite coated seasoned wood
• Low Pressure Seal Rig: Nitrile / Natural rubber
• Seat/Face Ring: L.T.B. to IS:318 Gr.2 / EPDM or Nitrile Rubber
• Optional Float/Ball: S.S. to AISI-304
• Additional Accessories: Plug / Pressure Gauge / Branch Pipe / Cluster Arrangement for higher main

Important Information

• Suitable for operation when charging, under pressure, & while emptying
• Install Double Air Valve every 1500 feet on low gradient long pipeline & small orifice Air Valve every 500 feet
• Locate valves where air will be trapped or vacuum pockets will form
• Air Valve size can be selected 1/5 of the diameter of the main pipe

Special Features

• Higher sizes are on request
• Available in Cast Steel & Ductile Iron

Specifications

• Size Range: 40mm to 200mm
• Mfg/Design Std.: AWWA to C512
• Pressure Rating: PN 10 / PN 16 / PN 25 & PN 40
• Type Of Valve: Single chamber triple function combined Air Valve
• Flanged End: IS:1538(Tab-6), On Request-BS/ANSI/DIN/BSEN/ISO
• Face to Face Dimension: D.I. to GGG-40/50 or Equivalent IS / BS / ASTM grade
• Body & Other D.I. Parts: Austenitic Alloy Steel to AISI-304/316
• Body Seat: Bronze / S.S.
• Shaft: Rolling seal mechanism
• Disc Seal: Epoxy Powder Coating (RAL 5005)
• Special Features: Self Actuation
• Actuation: Isolating Gate / Sluice Valve (resilient seated or metal seated)

Specifications

• Size Range: Upto 3000mm
• Type of Opening: Circular / Square / Rectangular
• Mfg./Design Std.: IS 3042 / IS 13349 or AWWA C 501 / BS 7775
• Pressure Class: CL-1, CL-2, & CL-3 (Seating / Unseating unbalanced water head)
• Type of Gate: Type-A: Spigot / Flat back frame single faced sluice gate; Type-B: Thimble mounted flange back frame single faced sluice gate
• Application: For regulating flow in out of conduct
• Type of Spindle: Rising / Non Rising
• Vertical Mounting: Mounted on wall through permanent grouting for Type-A Gate; Mounted on face of wall through wall thimble for Type-B Gate
• Lift Mechanism: Headstock mounted separately on platform above the gate frame
• Frame, Slide & Other Parts: D.I. to GGG-40/50 or IS:1865 Gr. 400/15 & 500/7, C.S. to ASTM A216 Gr.WCB or IS 1030-450W, C.I. to IS:210 Gr.FG-260 or BS 1452 or ASTM A126
• Seating Faces: L.T.B. to IS:318 Gr.2 / S.S., AISI-304 & 316
• Spindle: M.S. to IS:2026 / S.S. AISI-410/304/316
• Fasteners & Anchor Bolt: M.S. / Carbon Steel / S.S. AISI 410/304/316
• Accessories If Required: Coupling, Guide Bracket, Extn. Spindle, Flush Bottom, Indicator Etc.
• Actuation: Handwheel, Gearing, Electric / Pneumatic Actuator with SCADA Compatibility

Special Features

• Available in conventional as well as flush bottom closure
• Generally upward opening as well as downward opening on request
• Application for sewage treatment and water works
• Reduced operating loads — single person can operate with effort <18kgf.
• Available in Fabricated Steel, Stainless Steel & Ductile Iron

Specifications

• Size Range: 40mm to 200mm
• Mfg/Design Std.: AWWA C512 / IS 14846 & BS 5163 for Isolating Sluice Valve
• Type Of Valve: Single chamber triple function tamper proof design
• Pressure Rating: PN 1.0 / PN 1.6 / PN 2.5 / PN 40 Class-125 / Class-150 / Class-300
• Flanged End: IS:1538(Tab-4&6), On Request-BS/ANSI
• Body & Other Parts: D.I. to GGG-40/50 or IS:1865 Gr. 400/15 & 500/7, C.S. to ASTM A216 Gr.WCB or IS 1030-450W, C.I. to IS:210 Gr.FG-260 or BS 1452 or ASTM A126
• Float: S.S. AISI-304 with rolling seal mechanism
• Large Orifice Seat: Nitrile / EPDM rubber with bronze impregnation
• Small Orifice Vent: S.S. AISI-304 with rolling seal mechanism
• Gasket: EPDM / Natural Rubber
• Trim Material of S/Valve: L.T.B. / S.S. / Brass
• Actuation: Isolating valve operated by Cap / Hand Wheel
• Additional Accessories: Branch pipe / Cluster arrangement for higher main

Important Information

• Air Valve suitable for operation when charging, under pressure & while emptying
• Install Tamper Air Valve every 1500 feet on low gradient long pipeline
• The Air Valve size can be selected 1/5 of the diameter of the main pipe

Special Features

• Compact and light weight design requires less space
• Tamper proof design air vent
• Protects pipe from collapse while scoring / pump shut down
• Higher sizes are on-request
• Eliminates water wastages
• Available in Cast Steel & Ductile Iron

Specifications

• Size Range: 100mm to 2000mm
• Design: Manufacturer’s Standard
• Type of Valve: Water hammer control spring loaded surge protection Check Valve
• Pressure Rating: PN 1.0 / PN 1.6 / PN 2.5 / PN 40 Class-125 / Class-150 / Class-300
• End Connection: Barrel End / Extended Barrel End / Flanged End
• Barrel, Disc & Other M.S. Parts: M.S. to IS:2062 Gr. Fe-410-W
• Central Shaft: M.S. cladded with S.S. / S.S. AISI-410/304/316
• Seating: S.S. to AISI-304/316 or S.S. Overlay
• Disc Seal: EPDM / Nitrile / Natural / Synthetic Rubber
• Spring: Spring Steel
• By-Pass Arrangement: Keeps pressure balance on both sides of disc and prevents creation of vacuum in downstream side
• Application: Resists back flow of water column during pump trip or closure, preventing positive surge by reducing water hammer energy

Special Features

• Alternately called Proportional Spring Loaded Check Valve (PSLC)
• ZVV is self actuating
• Does not require any external energy for valve actuation
• Can be installed at remote locations
• Robust and versatile for any kind of mains
• Provided with foot / saddle for easy and fast installation
• Available in C.I. / S.G.I. upto 300NB

Specifications

• Size Range: 15mm to 200mm (ISI Marked)
• Mfg/Design Std.: IS 14845 / IS 14846 & BS 5163 for Isolating Sluice Valve
• Type Of Valve: Double Orifice Tamper Proof
• Pressure Rating: PN 1.0 / PN 1.6 / PN 2.5 / PN 40 Class-125 / Class-150 / Class-300
• Flanged End: IS:1538(Tab-4&6), On Request-BS/ANSI
• Body & Other Parts: D.I. to GGG-40/50 or IS:1865 Gr. 400/15 & 500/7, C.S. to ASTM A216 Gr.WCB or IS 1030-450W, C.I. to IS:210 Gr.FG-260 or BS 1452 or ASTM A126
• Orifice: L.T.B to IS:318 Gr.2 / S.S., IS:6603 or AISI-304/316
• High Pressure Float/Ball: Rubber coated seasoned wood
• Low Pressure Float: Ebonite / Vulcanite coated seasoned wood
• Low Pressure Seal Rig: Nitrile / Natural rubber
• Trim Material of S/Valve: L.T.B. / S.S. / Brass
• Optional Float/Ball: S.S. to AISI-304
• Actuation: Isolating valve operated by Cap / Hand Wheel
• Additional Accessories: Plug / Pressure Gauge / Branch Pipe / Cluster Arrangement for higher main

Important Information

• Suitable for operation when charging, under pressure & while emptying
• Install Kinetic Air Valve every 1500 feet on low gradient long pipeline
• Valve size can be selected 1/5 of the diameter of the main pipe
• Total air out prevents air lock; total air in prevents pipe collapse

Special Features

• Higher sizes are on-request
• Available in Cast Steel & Ductile Iron
• Maximum flow of water at outlet of pipe
• Protects pipe from collapse while scoring / pump shut down

Materials of Construction

Dimensions

Materials of Construction

Materials of Construction

Materials of Construction

Dimensions