Straight Through Pulse Valve

A Straight Through Pulse Valve(DMF‑T/TMF‑T)is a solenoid‑operated diaphragm valve for pulse‑jet baghouses,featuring 180°in‑line inlet/outlet(straight‑through flow,no direction change).It mounts externally between the air manifold and blowpipe,delivering powerful,direct pulses for filter bag cleaning.

1.Construction&Materials

Valve Body:Die‑cast aluminum(ADC12)or stainless steel,compact and lightweight.

Diaphragm:Dual‑layer(main/pilot)in NBR/HNBR/FKM,rated for≥1,000,000 cycles.

Solenoid Coil:Class F insulation,24VDC/110VAC/220VAC,response≤15 ms.

Seals:Buna‑N or Viton for airtight sealing;corrosion‑resistant hardware.

Port Sizes:DN25(1”),DN40(1.5”),DN50(2”),DN62(2.5”),DN76(3”).

2.Working Principle

Same core as right‑angle/submerged valves,but with straight flow:

Closed State:Compressed air(0.3–0.8 MPa)fills inlet and pilot chamber via an orifice;pressure balances,diaphragm seals outlet.

Pulse(Open):Controller energizes solenoid,opens pilot exhaust;pilot chamber depressurizes,inlet pressure lifts diaphragm,releasing a high‑energy straight air pulse into the blowpipe.

Reset(Close):Solenoid de‑energizes,pilot closes;pressure rebuilds in pilot chamber,diaphragm resets,valve closes.

3.Key Advantages

Straight Flow,High Pulse Energy:In‑line design delivers maximum pulse force for long‑distance blowpipes and deep filter bags.

Easy Installation&Maintenance:External,simple inline mounting;no complex manifold modifications.

Wide Pressure Range:Stable at 0.3–0.8 MPa;works with standard plant air systems.

Cost‑Effective:Lower upfront cost vs.submerged valves;ideal for budget‑conscious projects.

Row‑by‑Row Cleaning:Perfect for individual row cleaning in large baghouses.

4.Limitations

Higher Pressure Loss:More resistance than submerged valves(≈0.10–0.12 MPa drop).

External Piping:Requires straight external piping;not for tight plenum spaces.

5.Typical Applications

Pulse‑Jet Baghouses:Cement,steel,power plants,chemical,food processing,woodworking.

Long Blowpipe Runs:Large collectors with≥3 m blowpipes needing strong,direct pulses.

High‑Dust Loads:Heavy dust environments requiring frequent,powerful cleaning.

Retrofits:Replacing right‑angle valves for higher pulse energy without full system redesign.

6.Technical Specifications(DMF‑T Series)

Medium:Clean,dry compressed air(oil‑free recommended).

Pressure:0.3–0.8 MPa(3–8 bar).

Temperature:−5°C to+55°C(23°F to 131°F).

Response Time:≤15 ms.

Electrical:24VDC/110VAC/220VAC,20–30 W.

Protection:IP65.