• SKZLF self-supporting balancing valve
  • SKZLF self-supporting balancing valve
SKZLF self-supporting balancing valve
SKZLF self-supporting balancing valve
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SKZLF self-supporting balancing valve

SKZLF self-supporting balancing valve is a kind of self-regulating valve that uses the pressure change of the medium itself to keep the flow through the controlled system unchanged. ZLF self-supporting balancing valve has flow indication and can be adjusted online. It is suitable for non-corrosive medium flow control such as heating and air conditioning systems. One-time test adjustment before operation can make the system flow automatically constant at the preset set value. The valve has accurate flow adjustment, simple operation, stable operation, reliable performance and long service life.

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Product Details


SKZLF self-supporting balancing valve

Product overview

SKZLF self-supporting balancing valve is a kind of self-regulating valve that uses the pressure change of the medium itself to keep the flow through the controlled system unchanged. ZLF self-supporting balancing valve has flow indication and can be adjusted online. It is suitable for non-corrosive medium flow control such as heating and air conditioning systems. One-time test adjustment before operation can make the system flow automatically constant at the preset set value. The valve has accurate flow adjustment, simple operation, stable operation, reliable performance and long service life.

Technical parameters

Nominal pressure 1.6MPa
Nominal diameter 15~350mm
Applicable media Non-corrosive liquids such as water and oil
Applicable temperature 0~100℃
Flange standard Gb/t 17241.6 gb/t 9113
Test standard GB/T 13927 API598

Typical Installation Schematic

Main Parts and Components Materials

Part Name Valve body, bonnet Stem Disc Diaphragm
Materials Gray cast iron, ductile iron, cast steel Stainless Steel cast copper nitrile rubber

Main connection dimension unit: mm

DN 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 Remarks
L 110 110 115 160 200 215 230 275 290 310 350 430 520 635 670 Dn15 ~ 25 for threaded connection
H1 72 72 81 108 138 138 143 170 193 208 254 289 325 357 372
H2 70 70 74 91 147 147 154 189 211 227 260 303 367 430 495
流量m³/h 0.1-1 0.1 ~ 1.5 0.2-2 0.5-4 1 ~6 2~ 10 3~15 5~25 10-35 15-50 30-80 40~180 100~300 150~500 200~700

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