Technical Data - Samson 4765 Mounting And Operating Instructions

3 Technical data

Controlled variable (travel range)
Reference variable
Split-range 0 to 50 % or 50 to 100 %
reference variable span
(up to 50 mm travel)
Range spring
Supply air
Signal pressure p (output)
st
Characteristic
Hysteresis
Sensitivity
Operating direction
Proportional band Xp
(at 1.4 bar supply air)
Air consumption in steady state,
Xp = 1 %
Air output
Transit time with Type 3271 Actuator,
"stem extends"
Permissible ambient temperature
Influences
Degree of protection
Compliance
Weight
Materials
Extended temperature range on request
1)
EB 8359-1 EN
7.5 to 60 mm, with lever extension: 7.5 to 90 mm
0.2 to 1 bar (3 to 15 psi)
0.2 to 0.6 bar (3 to 9 psi) and 0.6 to 1 bar (9 to 15 psi)
See Table 1 on page 17 for selection
Supply air: 1.4 to 6 bar (20 to 90 psi)
Air quality acc. to ISO 8573-1: Max. particle size and
density: Class 4
Oil content: Class 3 · Pressure dew point: Class 3
Max. 0 to 6.0 bar (0 to 90 psi)
Linear characteristic · Deviation from characteristic according
to terminal point method: ≤ 1.5 %
< 0.5 %
< 0.1 %
Reversible
1 to 3.0 % with spring 1
1 to 2.0 % with spring 2
1 to 1.5 % with spring 3
With 1.4 bar supply air: 0.13 m
With 6 bar supply air: 0.33 m
At Δp = 1.4 bar: 3.0 m
240 cm² ≤ 1.8 s · 350 cm² ≤ 2.5 s · 700 cm² ≤ 10 s
–20 to 80 °C (special version for oxygen: up to max. +60 °C)
1)
Temperature: < 0.02 %/1 K
Supply air: < 0.20 %/0.1 bar
Variable position when turned by 180°: < 3.50 %
IP 54 · Venting over check valve (1790-7408): IP 65
Approx. 1.1 kg
Housing Die-cast aluminum, chromated and plastic coated
External parts Stainless steel
³/h
n
³/h
n
³/h · At Δp = 6 bar: 8.5 m
n
Technical data
³/h
n
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