Balancing valve STV with prolong bonnet

The manual balancing valve STV (M,F,G) is optimized for use in DHWC, heating- and cooling systems.

Sizing
STV (M,F,G) are sized with nomogram, handwheel or online Applications on smartphones or on our website. STV (M,F,G) shall be dimensioned at 50-80 % of maximum flow for the design flow. Minumum recommended differential pressure is 2 kPa (0,29 psi).

Measuring
The pressure test ports are opened by unscrewing the lids. Differential pressure can be measured using a balancing instrument.

Draining
STVM is equipped with a drain. The drain is opened with a screw driver.

Insulation
STVF Is equipped with extra long PT ports.

Mounting
Mounting direction is clearly shown with an arrow on STV (M,F,G) STV has internal ISO threads. STV NPT has internal NPT threads. STVG has external ISO threads. STV soldering have soldering ends ASME standard.