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IVGE Butterfly valve

IVGE model Butterfly valve incorporates the optimum design features to provide long trouble free service in the field. This general purpose soft seated Butterfly valve has a fully rubber lined single piece body with a centric, rubber encapsulated disc construction  and is available in wafer lugged body pattern.

 

The body liner which also functions as the soft seat, comes integrally moulded (bonded) version and offers 100% bi-directional sealing against rated pressures of PN 10. The wafer style body has universal design to fit between pipe flanges of almost all popular flange standards.

 

Conformity to Codes & Standards:

 

General design and manufacturing EN 593
Valve face to face dimensions EN 593 / Short Wafer lugged as per IS0 5752 Tab-5 / API 609 category A
Top flange drilling ISO 5211
Valve inspection and testing EN 12266 Part 1
Flange standard conformity DIN EN 1092-PN6 / 10 / 16, Class 150

JIS5K / 10K / 16K,

BS 10 tab D & E, IS 6392 Table 11 / 17

 

 

Technical Specifications:

 

 

1 Valve type Centric Disc Rubber Lined Butterfly valve with a single piece body
2 Body type Short wafer
3 Seat type Bonded Seat
4 End Connection Wafer
5 Size range DN 50 to DN 350
6 Pressure rating PN 10 (max)
7 Operating temperature range -250 C to 2000 C (depending on MOC)
8 Seat leakage Tight shut off
9 Operation ·         Handlever for sizes from DN 50 to DN 200

·         Worm gear boxes for sizes from DN 50 to DN 350

·         Pneumatic / Electric actuator operation-optional

10 Standard Material of Construction (MOC)

·       Valve Body

·       Valve Disc

·       Seat liner

·       Drive end & non end shaft

 

 

·         SGI / WCB

·         SGI / WCB  (Rubber Encapsulated)

·         EPDM / Viton / Nitrile / Neoprene / Hypalon

·         SS410 / SS316SH / 17.4 PH

 

 

 

 

 

 

 

 

Dimensions:

 

IVGE BUTTERFLY VALVE WITH PRESSED HANDLEVER

 

 

Key Features:

  • Full PN 10 pressure rating for the entire range of DN 50 to DN 350.
  • Bi-directional valve with sealing capability to hold rated shut off pressure in either direction.
  • Unique triple sealing system for shaft sealing, eliminates any fugitive emission or secondary leakage.
  • Self lubricating shaft bearings (PTFE coated stainless steel) for both drive end and non-drive end shaft ensures minimum bearing friction torque.
  • Square coupling disc drive arrangement eliminates need for taper pins and exposure of metal parts to media.
  • Spherically profiled seat and disc shoulder contact area ensures perfect sealing around the shaft bore and zero leakage.
  • External locking arrangement for top shaft to make it blow out proof.
  • Excellent adaptability for actuated operation through standardised top flange dimensions for actuator mounting.
  • Seat liner extending on to the flange contact faces of the body eliminates the need for separate flange gaskets.
  • Controlled compression of the gasket sealing face to offer optimum sealing and prevent gasket face crushing due to over tightening.

Specifications & dimensions are subject to change without prior notice