Ⅰ . Overview SSPQ-P series (originally ZV-B series) dual line distributor applies to the grease or oil dual line concentrated lubricating system with PN of 40MPa as a unit of calculating grease feeding. By alternate grease supply by two main supply pipelines, it realizes feeding grease to piston...Send InquiryChat Now
Ⅰ . Overview
SSPQ-P series (originally ZV-B series) dual line distributor applies to the grease or oil dual line concentrated lubricating system with PN of 40MPa as a unit of calculating grease feeding. By alternate grease supply by two main supply pipelines, it realizes feeding grease to piston and completes the function of quantitatively distributing grease to each lubricating point. The distributor has three types: distributor with grease feeding screw, distributor with moving indicator adjusting unit and distributor with travel switch adjusting unit.
Distributor with grease feeding screw: the feeding volume cannot be adjusted which only can be altered by selecting the grease feeding screw with different feeding indicator.
Distributor with moving indicator adjusting unit: the feeding volume can be adjusted between 0 and the rated feeding volume and that whether distributor is working normally or not can be judged by observing the moving indicator adjusting unit.
Distributor with travel switch adjusting unit: the feeding volume can be adjusted between 0 and the rated feeding volume, and the grease feeding condition of lubricating points can be controlled by travel switch to send a signal. Only one limit switch adjusting unit can be equipped for a distributor.
Ⅱ . Technical parameters
"Loss flow" means the flow that make the reversing piston working.
Nominal pressure (MPa)
Working pressure (MPa)
Loss flow (ml)
Flow of each outlet (ml/cycle)
The options of “Collocation with” are: 1, grease feeding screw; 2, moving indicator adjusting unit (limitator); 3, travel switch adjusting unit. The flow of one outlet is double as “Flow of each outlet” when the outlet quantity is odd. Use grease with minimum cone penetration 220(25℃，150g) 1/10mm (NLGI0#~3#) or lubricating oil with minimum viscosity grade N68. Working environment temperature is -20~80℃.
Ⅲ . Descriptions of model
Ⅳ . Working principle
There is a control piston and a working piston respectively in the piston holes that connect dual line distributor and every two lubricating points. The two feeding ports are connected to the two main pipelines 3a and 3b respectively. When one pipeline is pressurized, the other one will unload.
As shown in the above figure, the lubricating grease delivered by pump enters the upper part of control piston of distributor through main pipeline 3a. The control piston moves downward first (then the lubricating pressed at the lower part of control piston enters the unloading main pipeline 3b), making the upper chamber of working piston connect to the upper chamber of control piston. Then working piston moves downward, and the lubricating grease pressed by working piston is pressed and delivered to grease outlet 6 through the ring groove of control piston and supplied to lubricating points. A cycle of feeding work is completed. The second feeding work will start after switching to the feeding of pipeline 3b. Pistons of distributor will do the above acts adversely in the same sequence and lubricating grease will be discharged and delivered through outlet 5.
Ⅴ . Dimensions
Ⅵ . Use instruction
Protective cover should be used in the environment where it is wet and severe with dust.
Parallel installation method is employed preferentially in the system of grease feeder. The pipeline and distributor can be connected either at the left side or the right side; in the next place it is to employ series installation method when the two G3/8 screw plugs that plug pipelines at a side of feeding mouth should be dismantled and the number of feeders in series should not be more than two. Series and parallel group installation can also be employed if necessary.
The feeding volume of distributor with grease feeding screw (SSPQ1) cannot be adjusted which only can be altered by selecting the grease feeding screw with different feeding indicator.
The feeding volume of distributor with moving indicator adjusting unit (SSPQ2) should be adjusted by rotating the adjusting screw of restrictor when the indicating rod retracts according to the actual needs of lubricating points and within the range of max & min feeding volume.
The feeding volume of distributor with travel switch adjusting unit (SSPQ3) should be adjusted as required when the indicating rod retracts.
When the number of feeding mouths is odd, loosen off the screws at the corresponding grease outlets and plug the idle outlet with G1/4 screw plug, so that the upper and the lower grease outlets are connected. Grease will be supplied from this grease outlet both at the forward and adverse act of piston.
For the convenience of dismantling, it is better to bend the pipelines from distributor to lubricating points to be 90° or use bayonet joint.
The surface contacting the distributor should be smooth and flat. It is not suggested to over tighten the installed screw bolt to avoid severe deformation which may influence normal working.
It is suggested to select GB70-85 screw M6*50 to install and fix type SSPQ1 and SSPQ2 distributors. It is suggested to select GB70-85 tailor-made screw M6*85 to install and fix type SSPQ3 and the 300mm backing plate should be placed between the installing surfaces.
Ⅶ . Resolution to common faults
Distributor does not work.
Check if there is pressure grease delivered in the grease supply pipeline or not; if lubricating point is plugged or not; if grease supply pipeline is pressed flat; if impurities enter grease feeder. Resolve them after the reason is found out and removed.
Leakage at the moving indicator adjusting unit.
Dismantle the restrictor body, and check if seal ring has been used for a too long time or it is used in an higher environmental temperature than specified or not. Replace seal ring after the reason is found out.
Ⅷ . Ordering instruction
For distributor with grease feeding screw (SSPQ1), grease feeding indicator should be specified in the sequence of every couple of grease outlets. If not specified, goods will be supplied based on grease feeding indicator 1.
For distributor with moving indicator adjusting unit (SSPQ2), only one limit switch adjusting unit is equipped. Limit switch adjusting unit can be equipped for every couple of grease outlets based on special requirements. The equipping number should be specified and they should be ordered separately.
For the distributor with the number of grease outlets being odd, the location of the idle grease outlet should be specified in the sequence of every couple of grease outlets. If not specified, goods will be supplied based on that the grease outlet on the right is plugged.
If distributor is to be used in an environmental temperature higher than 80 °C, please specify it in the ordering contract so that high temperature resistant grease seal will be provided.