Pressure Seal Check Valves
  Gate Valves Cast Steel Pressure seal Buttwelded end Class 900, 1500 & 2500 50 - 400mm (2" - 16")
 
  Applications
   
 
•
 Power stations, general industry, process engineering
•
 For water, steam, gas oil & other non - aggressive media
•
 Further applications on request
   
  Operating Data
   
 
•
 Pressure up to 431 bar (6250 psi)
•
 Temperature up to +593° C/1100° F
•
 Pressure-temperature ratings as per ASME B 16.34 Standard class
   
  Materials
   
 
  ANSI Standard Class (as per ASME B 16.34 )
•
 #900/1500/2500 - 216 WCB from 0°C to 425°C
•
 #900/1500/2500 -A 217 WC6/WC9 from 0°C to 593°C
•
 Other materials on request
   
  Design
   
 
•
 As per ASME B 16.34
•
 Pressure Seal Bonnet Design
•
 Stellite hard - faced Seats & Disc surface
•
 Graphite gaskets and graphite packings with Braided wiping rings
•
 Direct retrofitting of Actuator
•
 REduced bore
•
 Double disc wedge design
   
  Design Specifications
   
 
General valve design
ASME B 16.34 Special class
Pressure, temperature rating Buttweld end design
ASME B 16.25
End to end dimension /Face to face ASME B 16.10
Testing API 598
   
  Variants on Request
   
 
•
 By - pass execution
•
 Actuator execution / Gear execution
•
 Bonnet pressure relief execution
•
 Full bore execution
•
 Position indicator
•
 Locking arrangement
•
 Other materials
•
 Other executions
   
  Remarks
   
 
Forged Valves leaflet no.
7240.2/4-10
Pressure Seal Gate Valve leaflet no.
7242. 2/5-10
Pressure Seal Globe Valve leaflet no.
7243. 2/5-10
Cast Steel Gate Valve leaflet no.
7244. 2/4-10
Cast Steel Globe Valve leaflet no.
7245. 2/4-10
Cast Steel check Valve leaflet no.
7246. 2/4-10
Operating instructions no.
 0500.80/02-18 G3
   
  On all enquiries / orders please specify
   
 
1
 Type
2
 ANSI Pressure class
3
 Size
4
 Design pressure / temperature
5
 Operating pressure
6
 Operating temperature
7
 Differential pressure
8
 Material of construction
9
 Flow Medium
10
 Flow rate Min. / Max.
11
 Type of end connection
12
 Pipe schedule ID / OD
13
 Variants
14
 Leaflet no.
15
 Valve data sheet (if applicable)
When ordering spares, indicate, valve serial number.
   
  Product features to our customer benefit
 
•
 Valves meets ASME 16.34 Special clas requirements
•
 Unique Seat design ensures low operating torque
•
 Compact Yoke design ensures low valve weight
•
 Stop nut prevents over tightening of double disc gate
•
 Designed to retrofit valve with Actuator at site without disassembly of pressure retaining parts
   
 
 
Flow Seal
•
 Fully stellited Body & Disc seats
•
 Seat rings - seal welded to body
•
 Lapped seat and wedge faces for leak tightness
•
 Streamlined flow path ensures minimum pressure drop
Disc Design
•
 Self aligning double disc arrangement ensures perfect seating
•
 Wedging action ensures leak tightness
•
 Leak tightness at low and high differential pressure
•
 Extended disc wear life by possiblity of shim addition
   
Stem wedge Connection
•
 Strong stem - disc joint capable of withstanding higher operating
   
 
Pressure Seal Bonnet

•
 Die moulded graphite gasket
•
 Segmental ring arrangement with knock out hole ensures easy disassembly
   
 
Gland Seal
•
 Die moulded graphite rings ensures effective sealing to atmosphere
  Top & bottom rings are braided graphite and inconel reinforced
  Braided rings offer smooth wiping action thereby arresting graphite depletion
  Smooth finished & polished stem and smooth stuffing box surfaces improve gland sealing life
  Two piece self aligning gland arrangement
•
 Integral hard faced back seat for maximum service life
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
  Pressure Relief Arrangement :(Optional safety devices)
 
   
 
   
 
   
 
   
 
   
  Globe Valves Cast Steel Pressure seal Butwelded end Classs 900, 1500 & 2500 50 - 200mm (2" - 8")
 
  Applications
   
 
•
 Power stations, general industry, process engineering
•
 For water, steam, gas oil & other non - aggressive media
•
 Further applications on request
   
  Operating Data
   
 
•
 Pressure up to 431 bar (6250 psi)
•
 Temperature up to +593° C/1100° F
•
 Pressure-temperature ratings as per ASME B 16.34 Standard class
   
  Materials
   
 
  ANSI Standard Class (as per ASME B 16.34 )
•
 #900/1500/2500 - 216 WCB from 0°C to 425°C
•
 #900/1500/2500 -A 217 WC6/WC9 from 0°C to 593°C
•
 Other materials on request
   
  Design
   
 
•
 As per ASME B 16.34
•
 Pressure Seal Bonnet Design
•
 Stellite hard - faced Seats & Disc surface
•
 Graphite gaskets and graphite packings with Braided wiping rings
•
 Direct retrofitting of Actuator
   
  Variants on Request
   
 
•
 By - pass execution
•
 Actuator execution / Gear Box execution
•
 Position indicator
•
 Locking arrangement
•
 Other materials
•
 Other executions
   
  Remarks
   
 
Forged Valves leaflet no.
7240.2/4-10
Pressure Seal Gate Valve leaflet no.
7241. 2/5-10
Pressure Seal Globe Valve leaflet no.
7243. 2/5-10
Cast Steel Gate Valve leaflet no.
7244. 2/4-10
Cast Steel Globe Valve leaflet no.
7245. 2/4-10
Cast Steel check Valve leaflet no.
7246. 2/4-10
Operating instructions no.
 0500.80/02-18 G3
   
  On all enquiries / orders please specify
   
 
1
 Type
2
 ANSI Pressure class
3
 Size
4
 Design pressure / temperature
5
 Operating pressure
6
 Operating temperature
7
 Differential pressure
8
 Material of construction
9
 Flow Medium
10
 Flow rate Min. / Max.
11
 Type of end connection
12
 Pipe schedule ID / OD
13
 Variants
14
 Leaflet no.
15
 Valve data sheet (if applicable)
When ordering spares, indicate, valve serial number.
   
  Product features to our customer benefit
 
 
•
 Valves meet ASME 16.34 Special class requirements
•
 Compact yoke design ensures low valves weight
•
 Designed to retrofit valve with Actuator at site without disassembly of pressure retaining parts
•
 Stem lock arrangement ensures non - rotation of stem
•
 'Y' Patter body minimizes pressure drop
   
 
Flow Seal
•
 Fully stellited Body & Disc seats
•
 Seat rings - seal welded to body
•
 Valves will be with flow over disc to ensure leak tightness under high / full differential pressures.
•
 Streamlined flow path ensures minimum pressure drop
Disc Design
•
 Disc - Body guided, which stands unbalanced forces at high differential pressure
•
 Stellite - 6 hard faced seating surface enhances sealing life
   
Stem wedge Connection
•
 Strong stem - disc joint capable of withstanding higher vibration during valve opening
   
 
Gland Seal
 
•
 Die moulded graphite rings ensures effective sealing to atmosphere
•
 Top & bottom rings are braided graphite and inconel reinforced
•
 Braided rings offer smooth wiping action thereby arresting graphite depletion
  Smooth finished & polished stem and smooth stuffing box surfaces improve gland sealing life
  Two piece self aligning gland arrangement
•
 Integral hard faced back seat for maximum service life
   
 
Pressure Seal Bonnetl
 

•
 Die moulded graphite gasket
•
 Segmental ring arrangement with knock - out hole ensures easy disassembly
 
   
  Design Specifications
 
 
General valve design
ASME B 16.34 Special class
Pressure, temperature rating
 
Buttweld end design
ASME B 16.25
End to end dimension ASME B 16.10
Testing standard API 598
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
  Swing Check Valves Cast Steel Pressure seal Butwelded end Classs 900, 1500 & 2500 50 - 40mm (2" - 16 ")
 
  Applications
 
•
 Power stations, general industry, process engineering
•
 For water, steam, gas oil & other non - aggressive media
•
 Further applications on request
   
  Operating Data
 
•
 Pressure up to 431 bar (6250 psi)
•
 Temperature up to +593° C/1100° F
•
 Pressure-temperature ratings as per ASME B 16.34 Standard class
   
  Materials
 
  ANSI Standard Class (as per ASME B 16.34 )
•
 #900/1500/2500 - 216 WCB from 0°C to 425°C
•
 #900/1500/2500 -A 217 WC6/WC9 from 0°C to 593°C
•
 Other materials on request
   
  Design
 
•
 As per ASME B 16.34
•
 Pressure Seal Bonnet Design
•
 Stellite hard - faced Seats & Disc surface
•
 Graphite gaskets
   
  On all enquiries / orders please specify:
 
1
 Type
2
 ANSI Pressure class
3
 Size
4
 Design pressure / temperature
5
 Operating pressure
6
 Operating temperature
7
 Differential pressure
8
 Material of construction
9
 Flow Medium
10
 Flow rate Min. / Max.
11
 Type of end connection
12
 Pipe schedule ID / OD
13
 Variants
14
 Leaflet no.
15
 Valve data sheet (if applicable)
When ordering spares, indicate, valve serial number.
   
  Product features to our customer benefit
   
 
 
•
 Valves meet ASME 16.34 Special class requirements
•
 Inside hinge pin mounted design - no leakage path to atmosphere
•
 Self aligning free floating and non - rotating disc
•
 Designed to open at low differential pressures
   
  Pressure Seal
 
 
•
 Die - moulded graphite gasket
•
 Segmental ring arrangement with knock out holes provides for easy disassembly
   
  Flow Seal
 
 
•
 Fully Stellited, body & Disc seat
•
 Seat rings - Seal welded to body
•
 Lapped Seat & Disc faces for leak tightness
•
 Streamlined flow path ensures minimum pressure drop
   
  Disc Design
 
 
•
 Self aligning disc ensures perfect seating
•
 Designed to open at low differential pressure
   
  Design Specifications
 
 
General valve design
ASME B 16.34 Special class
Pressure, temperature rating
 
Buttweld end design
ASME B 16.25
End to end dimension ASME B 16.10
Testing API 598