YH-218 Lockable Ball Valve（F/F）

【Core Advantages】
Features double‑lock construction for enhanced anti‑tamper protection against unauthorised opening. Brass body with double female‑thread (F/F) delivers reliable gas shut‑off for authorised‑only operation. Compact size and ISO228 thread fit standard gas piping, offering good sealing and convenient isolation for maintenance.

【Product Features】
• Nominal Pressure: 1.6 MPa
• Working Medium: Natural gas, Artificial gas, Liquefied petroleum gas
• Working Temperature: -20℃ ≤ t ≤ 80℃
• Parallel Pipe Thread to ISO228

【Applications】
Gas meters, branch pipelines and management cut‑off points. For residential, commercial & utility gas systems requiring higher‑grade access control.

【FAQs & Solutions】
Q: What is “double‑control”?
A: It adopts double‑lock design. Both locking positions must be released before turning handle for higher anti‑tamper performance.
Q: Can servicing be done on‑site?
A: Yes. Double female‑thread connection enables easy removal for maintenance after gas shut‑off and draining.

【Important Notes】
Only apply to gas systems within rated pressure & temperature. Perform soap‑bubble leak test on all joints after installation. Operate only via authorised key/mechanism; do not force the handle.