Product Model: Q61F

Body Material: 304, 316, 316L

Ball Material: 304, 316, 316L

Seat Material: PTFE, PPL

Connection Type: Threaded, Clamp, Flanged

Thread Standard: GB

Pressure Rating: PN16, PN25

Pneumatic Actuator: Double-acting, Single-acting normally closed (NC), Single-acting normally open (NO)

Pneumatic Accessories: Solenoid valve, Air filter regulator, Electro-pneumatic positioner, Handwheel.

Standard Technical Parameters

Valve Body

• Nominal Diameter: DN15–DN300

• Body Material: WCB, 304, 316

• Connection Type: Flanged, Threaded

• Pressure Rating: PN1.6–4.0 MPa

• Structural Type: Floating ball core, Three-way T-port, Three-way L-port.

Valve Internals

• Seat Seal: PTFE: -30°C to 180°C; PPL: -30°C to 250°C; Hard seal: -30°C to 450°C. Hard alloy: Surface spray welding, Tungsten Carbide.

• Ball Material: 304, 316, 316L; Hard-sealed ball surface adopts spray welding, Tungsten Carbide.

• Stem Material: 304

• Applicable Media: Water, liquids, gases, oils, powders, steam, acidic and alkaline corrosive media.

Performance

• Fire-safe structural design.

• ISO 5211 standard for direct mounting with actuators.

• Anti-static device between the ball and the valve body.

• Anti-blow-out stem design.

• Allowable pressure differential: less than nominal pressure 1.6 MPa.

• Leakage: Zero leakage.

• Hysteresis: ±2.5%.

Design & Manufacturing Standards

• Design & Manufacture: GB/T 12238-2008

• Connection Standard: JB/T 79.1-1994

• Face-to-Face Dimensions: GB/T 12221-2005

• Pressure Test: GB/T 13927-2008

Pneumatic Actuator

• Double-acting: Air to open, air to close; stays in current position on air failure.

• Single-acting air-to-open (Spring-to-close): Air to open, spring to close; closes on air failure.

• Single-acting air-to-close (Spring-to-open): Air to close, spring to open; opens on air failure.

• Optional Accessories: Solenoid valve, Limit switch, Air filter regulator, Electro-pneumatic positioner, Handwheel mechanism, Lock-up valve. Explosion-proof electrical parts are available.