Technical Specifications

39003 Series High Performance Butterfly Valves (HPBV) | 11
Actuator Data
(Model 33) – Sizes 3” – 8”
(80mm – 200mm)
Type:
spring-diaphragm, floating stem pneumatic actuator
Action:
increasing air extends stem
Bench Range:
B size 7-16 psig (48-110 kPa) size 9-16 psig (62-110 kPa)
Connection:
1/4” NPT
Fail Safe Action:
field reversible
Yoke:
carbon steel
Bracket:
cast iron
Handwheel:
(optional) push type tilting, rising stem, permanently
lubricated materials: 17-4 PH and AISI 416 stainless steel
adjustable limit stops
Bracket Bearing:
a sealed, permanently lubricated ball bearing
(Model 34) – Sizes 3” – 48”
(80mm – 1200mm)
Type:
Spring-return, or double-acting scotch yoke piston
Body:
Extruded aluminum, anodized finish sizes 210 to 280 &
88
Ductile Iron sizes 90 and 100
Seals:
Buna-N
Pressure rating:
150 psi (1034 kPa) maximum working pressure
Manual Override:
Declutchable direct mount sizes 210 to 280
Hydraulic size 88
Bevel Gear sizes 90 and 100
Optional Construction:
Low temperature or high temperature seals, low
pressure hydraulic.
Actuator
Size
Valve Size Effective Area Travel
in. mm. sq. in. sq. cm in. mm
B
3 80 70 452 2.625 66.5
4 100 70 452 2.625 66.5
C
6 150 140 903 2.625 66.5
8 200 140 903 2.625 66.5
optional
3 80 140 903 2.625 66.5
4 100 140 903 2.625 66.5