GMV VC 3006 Serie Instrucciones De Regulacion, Uso Y Manutención página 16

1. DESCRIPTION
Type VC 3006 rupture valve is a safety device designed to be used with elevators in line
with directive 2014/33/UE.
It interrupts the flow of fluid from the cylinder in case of excessive down speed.
The valve is designned and manufactured to withstand without deformation 5 times the
maximum static pressure 60 bar x 5= 300 bar (653 psi x 5 = 3260 psi).
HYDRAULIC CIRCUIT "B-G"
HYDRAULIC CIRCUIT
HYDRAULIC CIRCUIT "R"
Table 1 - Valve selection
Flow rate
Static pressure
Fluid viscosity
Fluid working temperature
3/4"B 1" B
l/min 8 ÷ 150 5 ÷ 275
bar 12 ÷ 60 12 ÷ 60
cSt 16 ÷ 240 16 ÷ 240
°C 5 ÷ 70 5 ÷ 70
FUNCTION CURVE "B-G"
intervention
FUNCTION CURVE
Vd + 0,3
Vd
pipe
burst
0
space [m]
(downward)
FUNCTION CURVE "R"
intervention
Vd + 0,3
Vd
pipe
Vd'(max)
burst
Vd'
0
space [m]
(downward)
1"1/4 B-G-R 1"1/2 B-G-R
20 ÷ 350 173 ÷ 525
12 ÷ 60 12 ÷ 60
16 ÷ 240 16 ÷ 240
5 ÷ 70 5 ÷ 70
15
GB
2"B-G-R 2"1/2 B
425 ÷ 700 425 ÷ 1200
12 ÷ 60 12 ÷ 60
16 ÷ 240 16 ÷ 240
5 ÷ 70 5 ÷ 70