Pneumatic Gate Valve- QZ Series Flanged WCB, Stainless Steel Pneumatic Gate Valve (Open/Close or Adjusting Type)

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Shanghai Best Automation Technology Co.

Shanghai, China

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Features of Stainless Steel Pneumatic Gate Valve:

1. positioned at any tilt
2. Optional emergency manual mechanism
3. Air supply pressure: 3 to 8 bar
4.Medium with no restriction on viscosity or direction
5. Material of the valve body:

Steel Castings WCB (code: C), SS304

(code: B), SS316

(code: R), and SS316L (code: L)
6. Medium Temperature:

Standard — Cast Steel ≤: -29⁞350℃

Stainless steel Ⅴ: -40 to 450 degrees Celsius Particular---⅞:-29⇞150℃ Ⅳ: -29℞250℃ ≥: -100℞150°C ≦: -196℞150℃
7. Normal Nominal Pressure: 1.6 MPa/CL150 Lb; Special Nominal Pressure: 2.5-25 MPa/CL300-1500 Lb
8. Sealing Material: PolyPhenyl (PPL, code: P) and Fluoroplastic (PTFE, code: P) ≥—Fluoroplastic (PTFE, code: P) Ⅴ—Hard Seal (Built-up Stellite Alloy, code: H; Body material, code: W)

9.Control mode:
QZ2-Double Acting Control .

QZ11—QZ12—Unit Acting Supervisor

QZ4—Modifying Command
11. Unique arrangement:

QZ-With a Manual Emergency Device

QZ-With Position Limit Switch (output for the valve position signal)