Swing check valve (TORV)
TORV
Check valve with metal sealing, long or short overall length in welded steel design with free-swinging disc. For use in water and steam applications. Particularly suitable for high pressures and temperatures.
Working pressure: max 250 bar Working temperature: -200°C bis +950°C Connection type: suitable for welding in or with flanges Leakage rate: EN 12266 – A und B Assembly length:: EN 588 / ISO 5752 Material: carbon steel / stainless steel |
TORV - DN600 PN150
TORV - Lifting/swivelling device + pre-shoe ends
TORV - Linear drive
TORV - Position indication "OPEN & CLOSED
TORV - Stellungsanzeige "Welle"
Branch of industry | TORV |
1) Open - Close, 2) Controlled, 3) Quick opend - closed , 4) Closed by gravity 5) Forced controlled, 6) Damped
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Power plant - Cooling water - Air condenser - Heating water - Steam turbine - Steam circuit |
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Water, Sea water | |||||||||||||||||||||||
Water dam | |||||||||||||||||||||||
District heating | |||||||||||||||||||||||
Steam generation | • | ||||||||||||||||||||||
Pump station | |||||||||||||||||||||||
Gas, Natgas | |||||||||||||||||||||||
Mineral oil | |||||||||||||||||||||||
On-shore, Off-shore | • | ||||||||||||||||||||||
Chemistry | • | ||||||||||||||||||||||
Petrochemistry | • | ||||||||||||||||||||||
Refinery | • | ||||||||||||||||||||||
Garbage incineration | • | ||||||||||||||||||||||
Mining industry | |||||||||||||||||||||||
Mechanical engineering | • | ||||||||||||||||||||||
Sugar industry | • | ||||||||||||||||||||||
Paper industry | • | ||||||||||||||||||||||
Shipbuilding |
• Recommended application
• free-swinging disc
• hardened, maintenance-free plain bearings made of stainless steel
• low-maintenance stuffing box seal - Pure graphite
• lengths acc. To EN 558-1, basic series 14 (DIN 3202, F4)
• suitable for welding in or with flanges
• sealed against backflow acc. To EN12266
• uncomplicated construction
• small space requirement
• maintenance-free installation
• horizontal and vertical installation
• easy inspection in installed condition
Material
• Body: P265GH (1.0425); P355NL1 (1.0566); 16Mo3 (1.5415); SA516 Gr.60/70; 13CrMo4-5 (1.7335); 21CrMoV5-7 (1.7709); X5CrNi18-10 (1.4301); X6CrNiMoTi17-12-2 (1.4571)
• Valve disc: P265GH (1.0425); P355NL1 (1.0566); 16Mo3 (1.5415); SA516 Gr.60/70; 13CrMo4-5 (1.7335); 21CrMoV5-7 (1.7709); X5CrNi18-10 (1.4301); X6CrNiMoTi17-12-2 (1.4571)
• internal sealing: metallic
• external sealing: pure graphite
• shut-off valve shaft: stainless steel 1.4021/ 1.4122
• body seat: high-alloy build-up welding or made of wear-resistant, stainless steel, precision machined Other materials on request
Corrosion protection
• Body: inside and outside zinc silicate coating according to GSK guidelines possible-
• Valve disc: zinc silicate coating according to GSK guidelines possible (exceptions: DN100-125, valve disc made of stainless steel)
Versions
• without closing support
• with lever and adjustable counterweight as gravity-dependent closing support for return flow medium
• with pneumatic forced control and integrated freewheel, as closing support for return flow medium