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Tognella 2257/6-34 Hydraulic Check Valve G3/4" - British Pneumatics (Online Wholesale)
Tognella 2257/6-34 Hydraulic Check Valve G3/4" - British Pneumatics (Online Wholesale)

Tognella FT 2257/6-34 Hydraulic Check Valve G3/4"

Regular price
£45.10
Sale price
£45.10
Free shipping within the UK! Worldwide shipping also available.

TOGNELLA G 3/4" Check Valve


These Italian-made check valves can be inserted in branches of the circuit where the free flow in one direction is allowed and the return flow in the opposite direction is not possible. A lasting and hermetic seal is ensured by the conical valve poppet, which is a reliable mechanical solution.


The spring in high-resistance material is housed in such a way that it does not close as a pack during the opening phase. The external configuration of the body makes it easy to seize the piece during the assembling.


They are available with different calibrations of the load pressure (0,5 bar standard and 2-4-6-8-10 bars)
On request (Versions AISI 316 code FT2257/6 )

FT2257/6-34 , G3/4" AISI 316
Made in Italy

Technical Specifications

WORKING PRESSURE 400 bar
MIN. BURSTING PRESSURE 1600 bar
WORKING TEMPREATURE -20℃ to 100℃
FILTRATION GRADE  25 μm

MATERIALS
BODY 9S MN PB 23 - UNI 5105
CHECK VALVE 38 NI CR MO 4 - UNI - EN 10083
SPRING C72 UNI 3545
THREADED FOUND. 35 S MN PB 10 - UNI 5105