Description
Product Overview
The SAMSON Type 3291 is an ANSI pneumatic globe control valve designed for high- and low-pressure throttling service. It features a clamped-in seat for serviceability, low-noise plug options and pressure balancing for large differential pressures.
SAMSON Product-Family Information
This page summarizes the engineering scope of the SAMSON Type 3291 Pneumatic Globe Control Valve. Final sizing and selection must be verified against current SAMSON documentation, process data, actuator sizing and required approvals before ordering.
Detailed Technical and Selection Parameters
| Product model | Type 3291 Pneumatic Globe Control Valve |
|---|---|
| Operating principle | Pneumatic globe control valve |
| Typical service | Liquids, gases and steam |
| Installation concept | Inline ANSI flanged valve with compatible Type 3271 or 3277 actuator |
| Control / signal | Pneumatic modulating control with optional positioner and accessories |
| Sizing / range guidance | ANSI family: NPS 1/2 to 8; Class 150 to 900 |
| Materials and configuration | Select body, seat, plug, packing and optional bellows seal for service conditions |
| Manufacturer / brand | SAMSON |
| Model confirmation | Final specifications depend on the complete ordered model code and assembly |
| Commercial support | Santan Fluid provides model review, quotation and international supply support |
Typical Industry Applications
- Chemical process control
- Refinery pressure reduction
- Steam and gas throttling
- High differential-pressure applications
Information Required for Model Selection
- Fluid and design conditions
- Flow coefficient and valve size
- ANSI pressure class
- Trim/noise/cavitation requirements
- Actuator sizing and fail-safe direction
Engineering Notes
Valve and actuator selection must consider flow sizing, pressure drop, noise, cavitation, materials, leakage class, fail-safe action and hazardous-area requirements. Product names and trademarks belong to their respective owners.
Request Model Confirmation and Quotation
Send the process data sheet, required model code or application description to our instrumentation team.
Email: sales@santanfluid.com
WhatsApp: +8613690223185
Standard Technical Specification Summary
Use these fields for preliminary selection. Final values depend on the complete manufacturer model code and selected options.
| Model | Type 3291 Pneumatic Globe Control Valve |
|---|---|
| Measurement Range | Configuration-dependent; confirm the required span and complete model code. |
| Accuracy | Configuration-dependent; confirm the accuracy class and calibrated range. |
| Process Connection | Inline ANSI flanged valve with compatible Type 3271 or 3277 actuator |
| Output Signal | Configuration-dependent; confirm analog, digital and communication requirements. |
| Certifications | Confirm hazardous-area, functional-safety, sanitary, marine or custody-transfer approvals by model code. |
| Application Industries | Chemical process control; Refinery pressure reduction; Steam and gas throttling; High differential-pressure applications |
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