- Details
- Industry / Applications
Since 1943 DFT® Inc. has been preventing water hammer with our world class, in-line, axial flow, nozzle style silent check valves and severe service control valves. Carotek and DFT have worked together for over 10 years to solve check valve problems and prevent check valve failures. We specialize to meet your unique customer requirements for in-line check valves as opposed to simply meeting line size. In some applications, a few custom adjustments have improved performance and extended the service life exponentially. DFT®'s silent check valves are famous worldwide for excellent water hammer prevention. Previously known as the Durabla.
Primary features:
Designed to prevent ""water hammer""Designed to open at approximately 0.5 psi differential pressure and fully open at 1.0 psi differential pressure.Can be installed in any position.MSS SP 126-2000 Steel In-line Spring-Assisted Center Guided Check Valves Standard.API 6D – Pipeline Valves.API 6FD – Fire Test for GLC® Check Valves.Meets or exceeds MSS SP-61 leakage requirements.Available with soft seats for bubble-tight shutoff.Dual guided stem.Custom sizing available.Pulse-Damping Design – PDC®Liquids, gas or steam.NACE standards, MR0178 or MR0103.Maintenance and Installation guides available for all DFT® in-line check valves.
We offer:
Excalibur® NAB Silent Check ValvesGLC® NAB Silent Check ValvesFlanged Check ValvesWafer Check ValvesThreaded Check ValvesY-CaliburTM Silent Check ValvesVacuum BreakerRestrictor Check Valves
Building maintenanceChemical processing
Gas transmission
Mining Municipal
Petroleum production and refining
Power generation
Primary metals Pulp and paper Test laboratories
Textiles
Water treatmentBuilding MaintenanceChemical ProcessingFood, Beverage & PharmaceuticalGas TransmissionMiningPetroleum Production & RefiningPower GenerationPrimary MetalsPulp & PaperTextiles