Swing check valve (TORV)

TORV

DN
50 – 1.000
PN
10 – 100

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		   SIL-Fähig

 

TORV-Rückschlagventil

TORV - DN600 PN150

TORV - Lifting/swivelling device + pre-shoe ends

TORV - Linear drive

TORV - Position indication "OPEN & CLOSED

TORV - Stellungsanzeige "Welle"

Application overview, types of actuation, valve types
Branch of industry TORV  
Actuation TORV
Manual control  
Electrical drive  
Pneumatic drive 3, 5
Hydraulic drive 3, 5
Drop weight drive 4
Lever & weight 4
Oil brake 4, 6
 
1) Open - Close, 2) Controlled, 3) Quick opend - closed , 4) Closed by gravity 5) Forced controlled, 6) Damped


Valve type  
TORV Swing check valve “metal seated”, p max. 100 bar, -328° F to 1742° F, DN 100-1000, PN 16/25/40/64/100/160/250 bar, ANSI 150/300/600/900/1500, Material: Carbon steel / SS
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

Product features and benefits

• 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, corrosion protection, versions

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