Product Model: Q11F/Y

Body Material: 304, 316, 316L

Ball Material: 304, 316, 316L 

Seat Material: PTFE, PPL

Connection Type: Threaded, Welded, Clamp

Connection Standard: G, NPT, BSPT, BSP, DIN259/2999

Pressure Rating: 1000WOG

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: DN10–DN100
• Body Material: 304, 316, 316L
• Connection Type: Threaded
• Pressure Rating: PN1.6–PN6.3 MPa
• Structural Type: Floating ball core

Valve Internals

• Seat Seal: PTFE: -20° to 180°C; PPL: -20° to 250°C
• Ball Material: 304, 316, 316L
• Stem Material: 304
• Applicable Media: Water, liquids, gases, oils, acidic and alkaline corrosive media. Note: For the material property table of the body, ball, and seat, please refer to Page P.

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.
• Double-layer stem packing complies with the German TUV TA-Luft stem leakage test.
• Double disc spring automatic packing tightening design.
• Allowable pressure differential: less than nominal pressure 1.6 MPa.
• Leakage: Zero leakage.
• Hysteresis: ±2.5%.
• Dead band: (Refer to specific data).

Design & Manufacturing Standards

• Thread Types: G, NPT, BSPT, BSP, DIN259/2999
• Top Flange: ISO 5211
• Pressure Test: ISO 5208, API 598

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.