Butterfly Valves

Features
	Seat liner extending on to the contact faces ensures perfect sealing and eliminates the use of flanges gaskets.
	Unique triple sealing system for sheft sealing and prevents extemal substances from entering the stem bore.
	The thin profile, spherically machined hand polished disc provides a very high Cv and greater pressure recovery plus superior abrasion and erosion resistance in slurry or dry media applications.
	A fully universal body design ensure fitments of the valve between companion flanges of all standards (viz : ANSI, BS, DIN, JIS, IS etc.)

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Technical Specification

Part Name		Material Option
Valve Type	:	Centric Disc Design Butterfly Valve with a single piece Rubber lined body
Body Type	:	Short water (sandwiched between flanges)
Seat Type	:	Integrally moulded with the Body / Replaceable
End Connecting	:	Water Sandwiched
Pressure Rating	:	PN 10 / PN 16
Operating Type Range	:	25o C to 200o C (depending on MOC)
Seal Leakage	:	Tight shut off
Operating	:	Hand lever for sizes from 40NB to 300NB worm Gear Boxes for sizes from 40NB to 1200NB Pneumatic / Electrical Actuator operation - optional
Size Range	:	40NB to 1200 NB

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Conformity to codes and standards

General design & manufacturing	:	API 609 category A / BS 5155 / IS : 13095 / MSS SP - 67
Valve face to face dimensions	:	Short water or Water lugged as per ISO 5752 Tab 5 & API 609 Category "A"
Top flange drilling	:	ISO 5211 part II
Valve inspection and Testing	:	API 598
Flange standard conformity	:	ANSI 150, DIN PN 6/10/16, JIS 5K/10K/16K, BS 10 Tab D & E, IS 6392 PN 0.6/1.0/1.6

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Materials

Part Name		Material Option
Body	:	CAST IRON / CAST STEEL / S.S.304 - 316
Disc	:	CAST IRON / CAST STEEL / S.S.304 - 316
Spindle	:	SS 410 / 304 / 316
Body Lining	:	NITRILE / E.P.D.M. / NEOPRENE / SILICON / VITON
'O' Ring	:	NITRILE / E.P.D.M.
Pin	:	S.S. 304 / 316
Lever	:	M.S. FABRICATED

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HYDRAULIC TEST PRESSURE

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Specification (Gear Operated)

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Specification (Lever Operated)

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