1. Zero emission reciprocating rod seal: RRR-Seal (Patented)
Description Example Actual installed RRR-Seal
Application: Piston compressor Rod seal Piston compressor Recip Rod seal
Purpose Zero emission, leak free recip rod seal
Other applications e.g Piston pump rod seal
Control valve actuator rod seal
Valve spindle seal
Diameter 60 mm from dia 10 mm up to 250 mm
Static sealing unknown, did not pass test up to 400 barg
Dynamic sealing unknown, did not pass test up to 400 barg
Operating temp. unknown, did not pass test -45 C up to +200 C
Emission high, MTBF only few weeks Zero, MTBF more than 8800 hrs
Chemical resistance unknown, did not pass test high, BTEX resistant
Oil consumption >> 1,5 l/day Very low << 0,5 l/day
Piston rod speed yes, acc. desgin gas tight up to 15 m/s
Lube oil pump yes, acc. desgin not required up to diameter 150 mm
Lube oil cooler yes, acc. desgin not required up to diameter 150 mm
High lube oil pressure yes, acc. desgin not required
Safety:
Gas in lube oil yes, acc. design RRR-seal design does not allow this
Lube oil in compressor yes, acc. design RRR-seal design does not allow this
NG, Bezene, Toluene,
Xylene in compressor room yes, acc. design RRR-seal design does not allow this
Oil contact with product yes, acc. design RRR-seal design does not allow this
Internals can brittle and
block filter and lines yes, acc. design RRR-seal design does not allow this
Maintenance intensive, MTBF only no intermediate maintenance required
few weeks
Options:
Line up to flare yes, acc. design optional
Lube oil tank yes, acc. design optional for rod diameter > 150 mm
Drain tank yes, acc. design optional for rod diameter > 150 mm
Temp. measurement yes, acc. design optional
Press. measurement yes, acc. design optional
Installation time yes, acc. design very short
Maint. Replacement time yes, acc. design very short, replace single house unit
Other service applications unknown fuids and gasses
For technical information, please contact our Rotating Specialist Oil-Gas and Power (Lead)
on direct mob. Tel. +31(0)629061957 (ing. Robby Palmberg).