3291 - pneumatic - ANSI
Globe valve
VALVE STYLE
Globe valve
USAGE
- High-pressure service
- Throttling service
- Low-pressure service
VERSION
ANSI
MEDIUM TEMPERATURE
-196
to 450 °C /
-320.8
to
842 °F
SUPPLY
Pneumatic
VALVE SIZE
NPS ½
to
NPS 8
PRESSURE RATING
Class 150
to
Class 900
LINING
without
Special features
- Consisting of globe valve and actuator
- Easy to service
- Low-noise valve plug
- Pressure balancing to handle large pressure drops
- Clamped-in seat for quick service
Accessories
- Type 2 N Strainer
- Type 2 NI Strainer
Options
- Welding or welding-neck ends
- Flow divider for noise reduction
- Insulating section or bellows seal
- Perforated plug
3291 - pneumatic - ANSI can be combinated with the following actuations:
Special features:
- Single-acting linear actuator with rolling diaphragm and internal springs
- Diaphragm areas from 120 to 2x2800 cm²
- Low overall height
- Powerful thrust at high stroking speed
- Low friction
- Various bench ranges by varying the number of springs or their compression
- No special tools required to change the bench range or reverse the direction of action (also version with handwheel)
Special features:
- Single-acting linear actuator with rolling diaphragm and internal springs
- Diaphragm areas from 120 to 750 cm²
- Direct attachment of accessories on additional yoke with concealed travel pick-off
- Low overall height
- Powerful thrust at high stroking speed
- Low friction
- Various bench ranges by varying the number of springs or their compression
- No special tools required to change the bench range or reverse the direction of action (also version with handwheel)
Special features:
- Spindle actuator with non-rising handwheel
- Handwheel diameter 180 or 250 mm
- Low overall height
- Simple connection to the valve
- Locking mechanism to secure the valve stem position against accidental adjustment
Information
AB 0100
Servicing SAMSON Products
Tightening Torques · Lubricants · ToolsElectric and Pneumatic Control Valves[EN][DE]
Type 3241, Type 3244, Type 3246, Type 3248, Type 3249, Type 3510, Type 3321, Type 3321CT, Type 3323, Type 3271, Type 3277, Type 3371, Type 3372, Type 3571, Type 3251, Type 3253, Type 3254, Type 3256, Type 3259, Type 3281, Type 3286, Type 3291, Type 3296, Type 3349, Type 3275, Type 3275A and Type 3310 (edition 2020)
T 8072-1
Type 3291 Globe Valve
Type 3291-1 and Type 3291-7 Pneumatic Control ValvesANSI version[EN][DE]T 8000-6
Information sheet
Packings for Globe ValvesPacking forms and their application ranges[EN][DE]T 8000-1
Information Sheet:
Electric and Pneumatic Control Valves
Series 240 · 250 · 290 · Series V2001 · PFEIFFER
[EN][DE]T 8000-2
Information Sheet:
Electric and Pneumatic Control Valves
Series 240 • 250 • 290 • SAMSON PFEIFFERMaterials and pressure-temperature diagrams[EN][DE]
Support
DXF file from data sheet
- T 8072-1 [ZIP]
Certificates
Only up-to-date documents are shown in the product selector. Check the documentation site for a list of all documents available.
Pin items on your list and contact us if you have any product-related questions.
Back to product selector