s.6541 NPT

1/2" - 1 1/4" hot forged brass ball valve

Technical data:

Working Pressure: 600 PSI non-shock cold working pressure

Working Temperature: -4°F / +302°F

Threads: NPT taper ANSI B.1.20.1 female by female threads

Dimensions inches

DN shows the nominal flow diameter. Actual flow diameter complies with full port DIN 3357 part 4.

Pressure-temperature chart

Features:

• 24h 100% seal test guaranteed in according to EN 12266-1 RATE A

• Dual sealing system allows valve to be operated in either direction making installation easier

• No metal-to-metal moving parts

• No maintenance ever required

• Silicone-free lubricant on all seals

• Chrome plated brass ball for longer life

Pressure drop chart

note for code: x = A for 230 VAC 50 Hz; B = for 110 VAC ac 60 Hz; C = for 24 VAC 50/60 Hz; D for 24 Vdc y = 2 for 2 wires electrical connection; 3 for 3 wires electrical connection note for code:

All the selection are made for delta P 0 - 230 PSI

Torque for actuator sizing in-lb

Torque correction factors

Valve torque can vary according to operating frequency, temperatre and friction characteristics of the media.

If media has more or less friction than water, multiply torque by the following factors.