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TogglePistons for single-family homes
The HL SL and HL6000 pistons are GMV solutions designed to be installed in single-family homes, both new construction and existing buildings .
For some time now, the pistons of the HL6000 range have been discontinued and the HL SL pistons are being installed in their place. For this reason, the two models are currently being used side by side in the elevator maintenance fleet.
Differences between a HL6000 piston and a HL SL piston
It is important that when a technician is going to provide assistance, he knows how to differentiate between the two types of pistons in order to carry out the appropriate procedures for each of them and to order the appropriate spare parts.
HL 6000 PISTON | HL SL PISTON |
It was supplied in 1 piece. | Supplied in 1 or 2 pieces. |
Retainer located at the bottom of the stem. | Retainer located on the top of the piston. |
Diameters 55, 65, 75 | Diameters 70, 80 |
The piston head and sleeve have the same diameter. | Reduced head diameter, max. 112 mm. Reduced cylinder union diameter, 115 mm. |
Non-removable piston head. The seal is replaced from the bottom. | Removable head makes it comparable with the 1008 piston and allows for reduced and easier maintenance time. |
Special tools are required to change the seal. | No special tools are required to change the seal, only a hook spanner is needed. |
The piston head does not contain a bleed screw. It is located in the parachute valve. | The piston head contains 2 screws: -Purge screw. -Piston head locking screw. |
Larger cabins thanks to their design, which allows for reduced mechanics | |
Compatible for 1:1 direct throw and 2:1 differential throw | |
Compatible with the main chassis on the market. |
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