API · ASME · DIN · EN standard industrial valves
Sleeve-Type Control Valves
Sleeve-type control valves throttle through a perforated sleeve that characterizes flow and contains cavitation and noise at the trim instead of in the piping, with the plug guiding inside the sleeve for stable control under varying loads. The range covers a WCB/SS304/SS316 body with SS304/SS316+PTFE cores and SS304/SS306/PTFE seats under PTFE packing, rated Kv from 6.9 to 690 (linear) and 6.3 to 630 (equal percentage), rated travels of 16/25/40/60 mm with diaphragm effective areas 280 to 1000 cm², nominal pressures PN1.6/4.0/6.4 MPa, an inherent adjustable ratio of 50, service bands of -20 to 200℃ standard or -40 to 450℃ with heat-dissipation bonnet, 20-240 KPa signal ranges, 0.14-0.4 MPa air supply, and full dimension and weight tables DN25-DN300. Selection turns on the differential pressure the sleeve trim must absorb with or without a positioner, the flow characteristic against the loop, and the bonnet band against line temperature.
Part of the Control Valves family
Last updated: 2026-10
Family specifications
| pressure class | PN 1.6, 4.0, 6.4 (MPa) |
|---|---|
| rangeability | Inherent adjustable ratio 50 |
| body materials | WCB, SS304, SS316 |
| valve core materials | SS304, SS316+PTFE |
| seat materials | SS304, SS306, PTFE |
| packing | teflon |
| rated kv linear | 6.9 to 690 |
| rated kv equal percentage | 6.3 to 630 |
| rated travel | 16, 25, 40, 60 mm |
| diaphragm effective area | 280 to 1000 |
| temperature standard | -20 to 200 |
| temperature heat dissipation | -40 to 450 |
| signal range | 20 to 100, 40 to 200, 20 to 60, 60 to 100, 80 to 240 (Kpa) |
| air supply | 0.14 to 0.4 (Mpa) |
| msv body materials | WCB, CF8, CF8M, SS304, SS316 |
| msv bonnet materials | WCB, CF8, CF8M, SS304, SS316 |
| msv seat material | Stainless Steel |
| msv gasket material | Flexible Graphite+Stainless Steel |
| msv packing material | PTFE |
| msv stem material | Stainless Steel |
| msv end connections | Flanged, Buttweld, Socketweld |
| msv nominal size | DN25 to DN300 |
| msv nominal pressure | PN16 to PN64, Class150 to Class2500 |
| msv actuation | Double Acting, Spring Return |
| ssv body materials | WCB, CF8, CF8M, SS304, SS316 |
| ssv bonnet materials | WCB, CF8, CF8M, SS304, SS316 |
| ssv seat material | Stainless Steel |
| ssv gasket material | Flexible Graphite+Stainless Steel |
| ssv packing material | PTFE |
| ssv stem material | Stainless Steel |
| ssv end connections | Flanged, Buttweld, Socketweld |
| ssv nominal size | DN25 to DN300 |
| ssv nominal pressure | PN16 to PN64, Class150 to Class2500 |
| ssv actuation | Double Acting, Spring Return |
| dstv body type | straight through globe type |
| dstv spool type | non-balanced single seat plug type |
| dstv nominal size | DN25~300 NPS 1〞~ 12〞 |
| dstv nominal pressure | PN16 ~ 100 CLASS 150LB ~ 600LB |
| dstv end connections | flange: FF、RF、MF、RTJ, Welding: SW、BW |
| dstv flange dimension standard | acc. to IEC 60534 |
| dstv bonnet types | Standard type(-5°C~230°C), Radiator type: (-45°C~ higher than230°C occasion ), Low temperature extended type(-196°C~ -45°C), Bellow seal type |
| dstv packing | V type PFTE packing, flex. graphite packing, etc. |
| dstv gasket | Metal graphite packing |
| dstv actuator options | pneumatic: multi-spring diaphragm actuator, piston type actuator., electric: 3810L series smart actuator, PSL series actuator. |
| dstv surface painting | Green color, acrylic acid polyurthene ceramic paint. |
| dstv flow characteristic | Linear, percentage, quick open |
| dstv allowable range | 50: 1 |
| dstv rated cv | Percentage CV10~1400 ,linear CV11~1500 |
| dstv allowable leakage | Metal seal: II grade(0.5% rated capacity)soft seal: V grade |
| dstv allowable tolerance | ±1.5 ±1.0 |
| dstv return difference | ≤1.5 ≤1.0 |
| dstv dead zone | ≤0.6 ≤1.0 |
| dstv endpoint difference | ±2.5 ±2.5 |
| dstv rated travel difference | ≤2.5 ≤2.5 |
| dstv special test | Material penetration flaw detection (PT), radiator test (RT), flow characteristic test, low-temperature test. |
| dstv special treatment | Trim nitrogen treatment, seat hard alloy treatment. |
| dstv example model | ZJHM-16C DN50 |
| dstv structure codes | M: standard sleeve type, MF: soft sealing sleeve, ML: Single level cage type, MT: Two level cage type, MG: sleeve type control valve with radiator, MV: sleeve type with bellow seal, MD: low temperature sleeve type |
| dstv body material codes | C=WCB, LC=LCB, P=CF8, PL=CF3, R=CF8M, RL=CF3M, D=special material |
Ordering & documentation
Documents
Ask for the documentation set with the inquiry — typical items (material certificates, test reports to the listed inspection standard, dimensional drawings) are confirmed and supplied with the quotation.
Quotation
Send the medium, temperature, pressure, size and connection for a quotation-ready inquiry. Lead time, MOQ and price are confirmed at quotation, together with the documents to be supplied with the order.
Sample & supply
Supply terms, order quantities and lead time are agreed per order — state the destination country and required schedule with the inquiry.
Storage & shipping
Store valves with seats and seals protected from UV, ozone and deformation, and keep end-face protectors on until installation; storage limits and shipping arrangements for the selected materials are confirmed at quotation.
Frequently asked questions
What sizes and pressure ratings are available for sleeve-type control valves?
the published pressure ratings are PN 1.6, 4.0, 6.4 (MPa). Availability of a specific size and rating is confirmed at quotation.
What materials are sleeve-type control valves available in?
The published specification lists body materials: WCB, SS304, SS316. Material availability for a specific size and rating is confirmed at quotation.
What should a quotation inquiry for sleeve-type control valves include?
The governing standard and class, nominal size, body and seat materials, the service medium with temperature, and the destination — anything missing is confirmed during quotation.
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