"Cair" offers rubber lined Butterfly Valves for HVAC & utilities. These Valves are truly 'Fit & Forget Valve', which requires minimum maintenance. The body lines which also functions as the soft seat, comes in an integrally moulded version & offers bi-directional sealing against vacuum upto the pressure of PN 10/PN 16.
Centric Disc Butterfly Valve with a Single Piece Rubber Lined Body
Body Type
Short Wafer (Sandwiched Between Flanges)
Seat Type
Integrally Moulded with the Body
End Connection
Wafer Sandwiched (Lug Type On Request)
Pressure rating
PN 10 /PN 16 (On Request)
Oper. Temp, range
-25°C to 130°C (Depending on MOC)
Seat leakage
Tight Shut Off
Operation
Hand Lever for Sizes from 40 NB to 300 NB
Worm Gear Boxes for 200 NB to 500 NB.
Key Features
Integrally moulded seat liner on the body, which ensures excellent dimensional stability & guaranteed seat tightness.
Seat liner extending on to the contact faces ensures perfect sealing and eliminates the need for separate flange gaskets.
Narrow land disc ensures perfect sealing with least operating torque requirements.
A fully universal body design ensures fitting of the valve between companion flanges of all popular standards (viz : ANSI, BS, DIN, JIS, IS etc.)
The notch disc & band lever ensures locking of the valve in 8 intermediate position in addition to close and open position. Hand lever can be locked through pad lock.
Body castings made of superior FG 260 grade cast iron to ensure additional strength.
Valve disc made of stainless steel / ductile cast iron which enable protection against possible water hammer or pressure surges.
A truly line size body bone to ensure maximum flow capacity with the lowest pressure drop.
Standards :
Design and Manufacturing
API 609 category A/BS 5155 / MSS SP-67 / C-504
Valve Face to Face Dimensions
Short wafer as per ISO 5752 Tab 5 / API 609 Category A
Top Flange Drilling
ISO 5211 Part II
Inspection and Testing
API 598 / BS 6755
Flange Standard Conformity
ANSI150, DINPN6/10.JIS5K/ 10KBS10TabD&E, IS 6392 NP 0.6/1.0
