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© 2019 Lubrication Scientifics, LLC
Dual Line
Dual Line Lubrication Systems
© 2019 Lubrication Scientifics, LLC
DLR Series
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Reversing Dual Line
Shifts output from one supply to the other via internal relief valves.
© 2019 Lubrication Scientifics, LLC
LDL Series
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LDL Valve Technical Specifications
Maximum Outlets Mounting Hole Adjustable Output NPTF Part Number BSPP Part Number
2 21/64" .01 to .3 Cubic Inch LDL-52 LDL-52H
4 LDL-54 LDL-54H
6 LDL-56 LDL-56H
8 LDL-58 LDL-58H
Traditional Dual Line Systems
Designed for heavy duty grease or oil applications.
NPTF Dual Line valves are 100% bolt on replacement for Farval® DD50® Series valves
BSPP Dual Line valves are 100% bolt on replacement for Lincoln® Helios® VSG and VSL Series valves
© 2019 Lubrication Scientifics, LLC
MDL Series
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MDL Valve Technical Specifications
XX = Material
00 = Carbon Steel, SS = 316 Stainless Steel
Description Adjustable Output Part Number
Valve Section .1 to .3 Cubic Inches XX523-009
Inlet/End/Bridge Technical Specifications
Description Mounting Hole Part Number
Inlet Section 3/8-18 NPTF 21/64" XX523-001
Inlet Section 3/8-19 BSPP XX523-001M
End Section 3/8-18 NPTF XX523-004
End Section 3/8-19 BSPP XX523-004M
Bridge Section XX523-003
Intermediate Technical Specifications
Description Mounting Hole Part Number
Intermediate "A" 1/4-18 NPTF 1/4-18 NPTF XX523-002A
Intermediate "B" 1/4-18 NPTF XX523-002B
Intermediate "A" 1/4-19 BSPP XX523-002A-M
Intermediate "B" 1/4-19 BSPP XX523-002B-M
Modular Dual Line Systems
Designed for heavy duty grease or oil applications.
Modular design makes this valve vastly superior to the traditional dual line model.