Identification; Type Key Of Foot Valves - Grundfos RSL Serie Manual De Instalación Y Operación

2.6 Identification

2.6.1 Type key of suction lances
Code Example
RSL Rigid Suction Lance
Maximum immersion depth
0400 up to 400 mm
0500 up to 500 mm
0570 up to 570 mm
0690 up to 690 mm
0820 up to 820 mm
0980 up to 980 mm
1100 up to 1100 mm
1200 up to 1200 mm
Level indication
NL Without level indication
2L Two-step level indication (low-level signal, tank-empty signal)
Connection size
G5/8 Male thread G 5/8 with groove for O-ring on top
Material of enclosure, connection, float switch
PE High density polyethylene (HDPE)
PV Polyvinylidenfluoride (PVDF)
Material of O-ring
V,E Fluorocarbon elastomer (FKM) and ethylene propylene diene rubber (EPDM)
T Polytetrafluorethylene (PTFE)
Material of ball
C Ceramic
Connections for hose
U2 Hose connection set: 4/6 mm, 6/9 mm, 6/12 mm, 9/12 mm
U7 Hose connection set: 0.17" x 1/4", 1/4" x 3/8", 3/8" x 1/2"
X Without connections

2.6.2 Type key of foot valves

Code Example
FV Foot valve
Level indication
NL Without level indication
2L Two-step level indication (low-level signal, tank-empty signal)
Connection size
G5/8 Male thread G 5/8 with groove for O-ring on top
Material of enclosure, connection, float switch
PE High density polyethylene (HDPE)
PV Polyvinylidenfluoride (PVDF)
SS Stainless steel 1.4571
Material of O-ring
V,E Fluorocarbon elastomer (FKM) and ethylene propylene diene rubber (EPDM)
T Polytetrafluorethylene (PTFE)
Material of ball
C Ceramic
SS Stainless steel 1.4401
Connections for hose or pipe
U2 Hose connection set: 4/6 mm, 6/9 mm, 6/12 mm, 9/12 mm
U7 Hose connection set: 0.17" x 1/4", 1/4" x 3/8", 3/8" x 1/2"
A Threaded pipe connection Rp 1/4" (G 1/4" female)
V Threaded pipe connection 1/4" (NPT female)
X Without connections
6
RSL - 0500 - 2L - G5/8
FV - 2L
PE / V,E / C U2
- G5/8 PE / V,E / C U2