Samson 4765 - Technical Data

EB 8359-1 EN 11
Design and principle of operation
3.2 Technical data
Controlled variable (travel
range)
7.5 to 60mm, with lever extension: 7.5 to 90mm
Reference variable 0.2 to 1bar (3 to 15psi)
Split-range 0 to 50% or 50 to
100%
reference variable span
(up to 50mm travel)
0.2 to 0.6bar (3 to 9psi) and
0.6 to 1bar (9 to 15psi)
Range spring See Table 1 on page21 for selection
Supply 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
Signal pressure p
st
(output) Max. 0 to 6.0bar (0 to 90psi)
Characteristic Linear characteristic
Deviation from terminal-based conformity ≤1.5%
Hysteresis < 0.5%
Sensitivity < 0.1%
Direction of action Reversible
Proportional band Xp (at 1.4bar
supply air)
1 to 3.0% with spring 1
1 to 2.0% with spring 2
1 to 1.5% with spring 3
Air consumption in steady state,
Xp = 1%
With 1.4bar supply air: 0.13 m
n
³/h
With 6bar supply air: 0.33 m
n
³/h
Air output At Δp = 1.4bar: 3.0m
n
³/h · At Δp = 6bar: 8.5m
n
³/h
Transit time with Type3271
Actuator, “stem extends”
240  cm² ≤ 1.8  s · 350  cm² ≤ 2.5  s · 700  cm² ≤ 10  s
Perm. ambient temperature
1)
–20 to +80  °C
Inuences Temperature: < 0.02%/1K
Supply: < 0.20%/0.1bar
Variable position when turned by 180°: < 3.50%
Degree of protection IP54 · Venting over check valve (1790-7408): IP65
Compliance
Weight Approx. 1.1kg
Materials
Housing
Die-cast aluminum, chromated and plastic coated
External parts
Stainless steel
1)
Extended temperature range on request