V-Notch Ball Valves Series 310

The V–Notch Ball Valve gives non-clogging, high capacity, straight through flow control of fluids containing pulp and paper stock or slurries and fluids containing suspended solids or fibrous materials.

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Specification Document

Design Features

Shearing effect between the ball and seal ensures tight shut-off, even on fibrous slurries.
The unrestricted, straight through flow design provides high capacity and wide rangeability.
Precise contouring of the V-notch balls provides a nearly equal percentage characteristic.
Replaceable ball seal and back up ring for added rigidity.
Ball machined to a super smooth finish, hard-chrome plated and polished to increase ball seal life.
High CV to body size ratio.

About V-Notch Ball Valves

The V- Notch Ball Valves are offered squared and clamped driven shaft plus ball shaft with splined connection designed for zero lost motion for highly accurate positioning and precise control.

Product Specifications

Design Code	BS 5351
Valve Size	25 to 200 mm (1” to 8”)
Rating	ANSI 150 and 300
End Connection	Flanged
F/F Dimensions	ANSI B-16.10
Flow Characteristic	Approx. Equal Percentage, Linear, On-Off
Body Material	Carbon Steel, Stainless Steel
Ball Material	Stainless Steel
Seat Ring	PTFE, Carbon Filled Teflon
Ball Ring	CF8M, Alloy Steels
Gasket	PTFE, Graphite Laminate
Gland Packing	PTFE Chevrons, Graphite, Low Emission
Actuator Form	Diaphragm, Piston, Electric
Actuator Type	Rotary
Diaphragm	Nitrile / Neoprene (nylon reinforced)
Spring Range	3 – 15 Psig (0.2 – 1.0 Kg/cm2) 6 – 30 Psig (0.4 – 2.0 Kg/cm2)
Air Supply	20 – 35 Psig (1.4 – 2.5 Kg/cm2)
Air Connection	1/ 4” or 1/ 2” NPT
Accessories	Valve Positioners (Pneumatic, Electro-Pneumatic, Smart), Instruments (Airset, Solenoid Valve, Volume Booster, Airlock, Limit Switches)
Features	Top Mounted Hand Wheel, Side Mounted Hand Wheel, Limit Stops Removable Blind Head, Steam Jacketing