The groove-type (clamped) connected valve is new connection valves designed and manufactured based on

similar advanced products from USA and Germany. It features rapid, simple, secure, reliable installation,

without being limited by installation sites. It convenient for maintenance of pipelines and valves. It provides

isolation, soundproofing, accommodating certain angles to overcome deviations in pipeline connections with

different axes. It addresses issues like thermal expansion and contraction due to temperature differences.

D381X-16Q & D81X-16Q utilized in various pipeline engineering applications. They include fluid

transmission pipelines for water supply and drainage, firefighting, air conditioning, gas, petroleum,

chemical, water treatment, municipal projects, shipbuilding. It serves to control flow of fluids.

Nominal Pressure 1 1.6 2.5
Test Pressure Shell Strength 1.5 2.4 3.75
Sealing Performance 1.1 1.76 2.75
Applicable Media Product Type Spheroidal Graphite Cast Iron
Applicable Media Water, Water Vapor, Oil, Air
Working Temperature Sealing Surface Medium Rubber Nitrile Rubber Ethylene Propylene Rubber
Working Temperature ≤60°C ≤80°C ≤250°C


Product Type Materials
Valve Body Gate Plate Valve Stem Sealing Surface
Spheroidal Graphite Cast Iron QT450 Ductile Iron, Carbon Steel,
Sprayed Stainless Steel
Chromium Stainless
Rubber, NBR, EPR

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