
Gate Valve Series
Grooved Soft‑Seal Gate Valve, Coupling‑Type Resilient Gate Valve, Fire‑fighting Grooved NRS Gate Valve, Grooved‑Connection Gate Valve
DN40-300mm
Execution Standard
GB, JIS, ASTM, BS, GOST, DIN
Application Industry
Fire‑sprinkler system, high‑rise building water supply‑drainage, machine‑room pipeline, commercial building, HVAC chilled‑water system, building fire‑protection pipeline
Material
QT450 304 316L
Model
Z85X‑10Q, Z85X‑16Q(Non‑Rising Stem); Z81X‑16Q(Rising Stem)
Ductile iron body, grooved‑end coupling quick connection, fully rubber‑coated wedge, fast installation without welding, bubble‑tight shut‑off, mainly for fire‑protection pipeline isolation, not for buried installation or throttling service.
Technical Specifications






