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SGL 2-4 inch Sliding Vane Pumps
Brand: BlackmerBlackmer® SGL pumps, which are part of the Cavitation Line of sliding vane pumps, are designed for the liquid transfer or recirculation of refrigerants and other liquefied gasses.
Constructed of shock-resistant ductile iron and available with a wide variety of seal materials, SGL pumps are ideally suited for almost any liquefied gas application.
The sliding vane, positive displacement design provides excellent priming capability and high performance over a wide range of temperatures and differential pressures.
The vanes self-adjust as they wear, maintaining the efficiency of a new pump.
The vanes, liner and end discs are all easily replaced, bringing the pump back to like new condition.
In addition, SGL pumps feature a cavitation suppression liner designed for reducing the noise, vibration, and wear normally caused by entrained vapors.
SGL pumps are available in 2-, 3- and 4-inch sizes. Available options include a double mechanical seal.
Features- Cavitation suppression liner design for reducing the noise, vibration, and wear normally caused by entrained vapors
- Replaceable casing, liners and end discs allow easy rebuilding of the pumping chamber to like-new condition
- Mechanical seal and elastomer options assure compatibility with refrigerants and other specialty gases
- Available in 2-, 3- and 4-inch sizes
- Ductile-iron construction with internal relief valve
- Blackmer mechanical seal and ball bearing construction provide maximum reliability
- Symmetrical bearing support assures even loading and wear for long life.
- Adjustable relief valve protects pump against excessive pressures
- Optional double mechanical seal
- Unique sliding-vane pump design self-adjusts for wear to maintain flow rates
- Excellent self-priming and dry-run capabilities
- Sliding vane design provides sustained performance and trouble-free operation
- Easy maintenance: vanes can be easily replaced without removing the pump from the piping system
- High suction lift and line-stripping capabilities
- Low maintenance and low life-cycle costs
Specifications
Brand
Available Models
- SGLD2
- SGLD3
- SGLWD3
- SGLD4B
- SGLWD4
Nominal Flow Rate Range
- SGLD2: 14 - 67 gpm (53 - 254 L/min)
- SGL(W)D3: 30 - 133 gpm (114 - 503 L/min)
- SGL(W)D4B: 55 - 270 gpm (203 - 1,022 L/min)
Differential Pressure
- SGLD2, SGL(W)D3: 150 psi (10.3 bar)
- SGL(W)D4B: 125 psi (8.62 bar)
Maximum Working Pressure
- Single Seal: 525 psi (36.2 bar)
- Dual Seal: 350 psi (24.1 bar)
Viscosity
- 0.2 - 4,250 cP
Temperature
- -30° F to 240° F (-34° C to 115° C)
Min/Maximum Speed (RPM)
- 350 - 640
Primary Materials of Construction
- Ductile Iron
Connection Orientation
- Side Inlet | Top Outlet
Vane Materials
- Duravane
- EC Laminate
Available Certificates
- Hydrostatic Test
- Performance Test
- NPSH Test
- Material (actual or typical)
- Dimensional (pump only or unit)
- Butadiene
- Butene
- Dimethyl ether
- Ethyl chloride
- Refrigerants - MF/TA/TMS/TF
- Most 400 & 500 series blends
- Sulfur dioxide