Control Valves Β· Sleeve-Type Control Valves
Pneumatic Sleeve Type Control Valve
The pneumatic sleeve type control valve is the cage-guided, actuated execution of the sleeve type control valve line: a WCB, SS304 or SS316 body around an SS304/SS316+PTFE valve core and seat, sealed with PTFE packing and driven by a diaphragm actuator. The benchmark execution is rated PN1.6 to PN6.4 MPa with an inherent adjustable ratio of 50:1, heat-dissipation service from -40 to 450 C or normal service from -20 to 200 C, and 20-100 / 40-200 / 20-60 / 60-100 / 80-240 kPa signal ranges.
Part of the Sleeve-Type Control Valves family
Last updated: 2026-11
Specifications
| size range | DN15 to DN300 |
|---|---|
| pressure class | PN1.6, PN4.0, PN6.4 |
| flow characteristics | Linear, Equal percentage, Quick open |
| temperature range | Heat dissipation -40 to 450 C; normal -20 to 200 C |
| valve body materials | WCB, SS304, SS316 |
| valve core materials | SS304, SS316 + PTFE |
| valve seat materials | SS304, SS316, PTFE |
| packing materials | Teflon (PTFE) |
| inherent adjustable ratio | 50:1 |
| signal range | 20 to 100, 40 to 200, 20 to 60, 60 to 100, 80 to 240 kPa |
| rated travel mm | 16, 25, 40, 60 |
| membrane effective area | 280, 400, 600, 1000 |
| air supply pressure | 0.14 to 0.4 Mpa |
| media | Water, Steam, Oil |
| allowable leakage | Metal seal grade IV (0.01% rated capacity), leakage standard GB/T 4213 |
| ambient temperature | -30 to 70Β°C |
Application & selection guidance
Select this execution where a sleeve (cage) trim is wanted to control noise, cavitation and trim wear on modulating duty, and a pneumatic diaphragm actuator suits the plant air supply. Confirm the PN1.6/4.0/6.4 rating, pick the -40 to 450 C heat-dissipation or -20 to 200 C normal temperature construction, and match the kPa signal range to the positioner loop.
Frequently asked questions
What materials does the benchmark sleeve type execution use?
The benchmark page lists valve body in WCB, SS304 or SS316, valve core in SS304 or SS316 with PTFE, valve seat in SS304, SS316 or PTFE, and teflon packing - a stainless-leaning trim inside a carbon or stainless body.
What pressure and temperature ranges apply?
The benchmark page declares a nominal pressure of PN1.6, 4.0 and 6.4 MPa, a 50:1 inherent adjustable ratio, and a working range of -40 to 450 C for the heat dissipation construction or -20 to 200 C for normal temperature service.
Which pneumatic signal ranges are supported?
The benchmark page lists 20 to 100, 40 to 200, 20 to 60, 60 to 100 and 80 to 240 kPa signal ranges, so the valve can be matched to common positioner and I/P output standards without custom calibration.
Ordering & documentation
Documents
Ask for the documentation set you need with the inquiry β typical items for this execution (material certificates, test reports to the listed inspection standard, dimensional drawings) are confirmed and supplied with the quotation.
Quotation
A quotation-ready inquiry states: nominal size and pressure rating, body and seat material preference, end connection, operation, and the service medium with temperature. Typical values on this page are benchmark reference ranges; the binding values are confirmed at quotation.
Sample & supply
Supply terms, order quantities and lead time are agreed per order β state the destination country and required schedule with the inquiry.
Storage & shipping
Store valves with seats and seals protected from UV, ozone and deformation, keep end-face protectors on until installation, and for elastomer- or PTFE-seated executions avoid prolonged outdoor storage β seat compounds age fastest in direct sunlight and freezing conditions.
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