Sealed Throttle Valves

Sealed Throttle Valves

Available with the "plain" (no flanges) or the "parallel" (with formed-on flange) systems, depending on the diameters and your project requirements.


  1. Manually operated sealed throttle valve
  2. With rubber lip (without rubber lip see the "Throttle Valves")
  3. Oil-tight shaft with PTFE seal
  4. "Plain" system (diameters from 80 to 200 mm), assembly with MUX Overcollars
  5. "Parallel" system (diameters from 80 to 1000 mm), assembly with SRX Joining Clips

Ø 180 mm not available yet
Ø 80 up to 180 mm in stainless steel not available yet


Product Specifications for Tender Texts

Sealed Throttle Valves. METU-FORM laser-welded, liquid and oil-tight throttle-valves made of galvanized steel or stainless steel (V2A / 1.4301 / 304). Fitted with a NBR gasket around the edge of the throttle plate. Two versions: with "Parallel" flanges formed directly from the duct itself (diameters 80 to 1000 mm Ø, connection with SRX joining clips), or "plain " (without a flange, diameters 80 to 200 mm, connection with MUX overcollars). The air-tightness exceeds the highest-class D according to the norm DIN EN 12237. Tightness class ATC 1 (EN 16798-3). No ATEX / EX certifications.



NBR Gasket

STP Format


Actuator Adapter Plate

Tight throttle valve without flanges ("plain" system).


Sealed throttle valve with formed-on "parallel" flange.