Valve & Couplings

Alfons Haar as a provider of complete systems, delivers complete systems for equipping tank trucks, incl. all necessary special fittings. All of these components are designed by Alfons Haar and manufactured here as well.

Manufacturing meets the legal requirements and each use has technical certification (TUE.AGG.s). These certifications are usually internationally recognized. That is the measure of our quality! 

Footvalves from DN 65 to DN 150, in 90° or T-shape, with typical TW‑flanges (DIN 28459) or square flanges, pressure balanced or non pressure  balanced according to EN 13316 and EN 13308

SCDS capable

Double seal prevents air bubbling in measuring units and liquid infiltration/product in the pneumatic system, even if the seal fails! Since the pneumatic system is not product-resistant, liquid infiltration can cause significant problems for the pneumatic system. Air bubbling in the measuring unit leads to measurement inaccuracy and frequent switching off of the measuring unit.

Vapour transfer valve (vent valve, PKV, PKVF) according to EN 13082 · Pressure and vacuum breather vent (integrated in the vapour transfer valve) according to EN 14595

Flame arresters (LTD) according to EN 12874 to be used for E 85 as well

Vapour transfer adaptor according to EN 13081

Adaptor for bottom loading and unloading (API, MAPI, PAPI) according to EN 13083 API & MAPI: SCDS-capable due to integrated position sensor

Trailer connection coupling

Shutoff valves for pipeline construction

Check valves from DN 40 to DN 150

Quick-action shutoff valves, one- and two-stage for measuring units

Ball valves and Butterfly valves All valves, even if they are not covered by a standard, are tested and approved according to ADR as 2nd  shutoff valve (TUE.AGG.Nr........)

Manhole cover according to EN 13317, EN 13314, EN 13094, according to ADR made of high elongation aluminium material. Also for countersunk installation

Collectors for mixture-free loading and discharge of each tank compartment