Data sheet
BHHF 250
Sheet No.: BHHF250.01 RevB
Date: March 2015
Hydraulic single-acting balanced rotary actuator
90° (Quarter-turn) fail-safe
Main data:
Working pressure:
SR1
SR2
90 bar
135 bar
(1305 psi)
(1958 psi)
Burst test:
675 bar
(9788 psi)
Total dry wt. incl. 2.4 kg. (5.3 lbs.) mounting set
13.6 kg
(30.0 lbs.)
Oil displacement:
0.050 l
(3.2 cu. in.)
Temperature range:
-20°C to +80°C
(-5° F to +180° F)
Rotation:
90°±1°
Hydraulic media and viscosities:
We recommend acid-free hydraulic oil.
Viscosity range: 15-200 cSt.
For recommended brands and for other
media than oil please refer to separate
data sheet.
Main dimensions:
Actuator shown in closed (fail safe) position.
Dimensions in inches shown in parentheses.
(10.71)
(9.88)
(4.25)
(4.72)
Cross-over valve
(1.38)
G 1/4-13 deep
(2.28)
(2.05)
(.91)
(.65)
(.87)
(1.57)
M8-12 deep
(4.64)
www.emerson.com/bettis
Copyright © Emerson. The information in this document is subject to change without notice.
Updated data sheets can be obtained from our website www.emerson.com/bettis or from your nearest Actuation Technologies Center:
America’s: +1 281 477 4100 (fax 477 2809) Europe: +36 22 53 09 50 (fax +36 22 54 37 00) Asia/Pacific: +65 650 14 600 (fax +65 626 80 028)
Data sheet
BHHF 250
Sheet No.: BHHF250.02 RevB
Date: March 2015
Valve adaptation:
Adjustment screw, torque: 6 Nm (53.1 in. lb.)
Approx 5˚
7.5˚
45
Valve shaft
intrusion: (1.77)
7.5˚
Adapter
Fastening nut, torque: 17 Nm (150.5 in. lb.)
Limits for the machining of the adapter. Other shapes and
valve shaft intrusions on request, please contact Bettis.
Intermediate
flange
Shape
Machined acc. to:
mm (max.):
Dimensions in inches in parentheses.
Performance:
Nm
(inch lbs)
150
(1328)
Spring Return
SR2 135 bar (1958 psi)
85
(752)
65
(575)
Working Pressure
*
Spring Return
47
(416)
Break Away
Opening
*
End Closing
End Closing
0°
Closed
Nm
(inch lbs)
*
Break Away Closing
Break Away Opening
SR1 90 bar (1305 psi)
Working Pressure
TORQUE
DIN 6885
Ø 25 (.98)
*
153
(1354)
Break Away Closing
Op
Spring action
Hydraulic action
en
ed
os
Cl
70
(620)
End
Opening
End Opening
DIN 79
24 (.95)
60
(531)
52
(460)
90°
Open
Note: Not Certified dimensional drawings. Such drawings are available on request. Contact factory with correct model designation and serial number.
Important: Due to Emerson’s continuing commitment to engineered product advancement, data presented herin is subject to change.
The contents of the publication are presented for information purposes only, and while effort has been made to ensure their accuracy,
they are not to be construed as warranties or guarantees, expresses or implied, regarding the products or services described herein or their use or applicability.
All sales are governed by our terms and conditions, which are available on request.
We reserve the right to modify or improve the designs or specifications of our products at any time without notice.
www.emerson.com/bettis
Copyright © Emerson. The information in this document is subject to change without notice.
Updated data sheets can be obtained from our website www.emerson.com/bettis or from your nearest Actuation Technologies Center:
America’s: +1 281 477 4100 (fax 477 2809) Europe: +36 22 53 09 50 (fax +36 22 54 37 00) Asia/Pacific: +65 650 14 600 (fax +65 626 80 028)
Operation
port (B)