Type Key - Grundfos PRV Series Installation And Operating Instructions Manual

5.2.2 Type key

Pressure relief valves up to 60 l/h
Code Description
PRV Pressure relief valve
Connection size
G5/8 G 5/8" external thread, groove for
O-ring on top
G1/4 Rp 1/4" internal thread (only SS
versions)
1/4N 1/4" NPT internal thread (only SS
versions)
Relief pressure
10 Preset relief pressure 10 bar
16 Preset relief pressure 16 bar
Body and connection material
PP Polypropylene
PVC Polyvinyl chloride
PV Polyvinylidene fluoride (PVDF)
SS Stainless steel, grade 1.4571 according to
EN 10027-2
Gasket material
V,E FKM and EPDM gaskets are enclosed
T PTFE gaskets are enclosed
- No gaskets (only SS versions)
Hose or pipe connections
U2 Hose, 4/6 mm, 6/9 mm, 6/12 mm, 9/12 mm
U7 Hose, 0.17" x 1/4"; 1/4" x 3/8"; 3/8" x 1/2"
A Threaded connections, Rp 1/4" internal thread
V Threaded connections, 1/4" NPT internal thread
X No connections included, please order separately from
accessories range
6
PRV- G5/8- 10 PP/ V,E U2
Pressure relief valves from 60 to 460 l/h
Code Description
PRV Pressure relief valve
Connection size
G5/4 G 5/4" external thread, groove for
O-ring on top
G3/4 Rp 3/4" internal thread (only SS
versions)
3/4N 3/4" NPT internal thread (only SS
versions)
Relief pressure
10 Preset relief pressure in bar
Body and connection material
PP Polypropylene
PVC Polyvinyl chloride
PV Polyvinylidene fluoride (PVDF)
SS Stainless steel, grade 1.4571 according to
EN 10027-2
Gasket material
V,E FKM and EPDM gaskets are enclosed
T Gasket material PTFE
- No gaskets (only SS versions)
Hose or pipe connections
U3 2x Union nut, G 5/4"
2x Hose connector, 19/20 mm
2x Hose clamp
2x Pipe connector, 25 mm
A7 2x Union nut, G 5/4"
2x Inlay external thread 3/4" NPT
A1 Threaded connections, Rp 3/4" internal thread
A3 Threaded connections, 3/4" NPT internal thread
X No connections included, please order separately from
accessories range
PRV- G5/4- 10 PP/ V,E U3