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LSR280 sanitary liquid back pressure valve
LSR280 sanitary liquid back pressure valve

LSR280 sanitary liquid back pressure valve

Shanghai Pressure Regulating Industry Co., Ltd., integrated designer and manufacturer of back pressure valve, Stainless Steel Back Pressure Valves, Sanitary liquid back pressure valve manufacturer, More choices, Many proven cases, Saves your sourcing effort,Strong technical capability, Ample spare parts, Fast repair, Fast response,Engineering pipe routing, Chemical fluids.

LSR280 series sanitary liquid back pressure valve, Diaphragm pressure transmission, accurate pressure control, for regulating upstream pressure, suitable for liquids such as water, oil, organics and acids or alkalis,For hygiene, cleanroom, high-cleanliness fields such as biotechnology.


  • Liquid Back Pressure Valves
    Liquid Back Pressure Valves
  • Liquid Back Pressure Valves
    Liquid Back Pressure Valves
  • Liquid Back Pressure Valves
    Liquid Back Pressure Valves
  • Liquid Back Pressure Valves
    Liquid Back Pressure Valves
  • Liquid Back Pressure Valves
    Liquid Back Pressure Valves

Design FeaturesDesign features

● For low-pressure liquid and gas lines.

●Valve body cavity and surfaces are high-precision polished.

● Meets high-cleanliness requirements such as hygiene, cleanroom and bioprocess.

Applicable Media: Gas, liquid, steam etc..

End connection type: Tri-Clamp, union thread, welded, flange.

Size: 1/4”-4”(DN6-DN100).

SpecificationsCharacteristic parameters

➣ control pressure: 0-25, 0-50, 0-100, 0-250, 0-500, 0-1500psig
Safety Test Pressure: 1.5 times of max. Inlet pressure
Temperature Range: -40℃ to +100℃(above 100° consult technical)
Leak rate: Without gas leakage
Cv value: 0.2, 0.6, 1.2, 2.4, 3.2, 4, 5.1, 7, 11, 13, 17, 25, 30, 48

Product materialProduct material

Body: 316L, 304
Bonnet: 304
Valve Seat: PCTFE, PTFE, Vespel
➣ Seals: PCTFE, PTFE, EPDM, FKM, VMQ(silicone rubber)
Plug Stem: 316L, 304

Body port layout drawingMatrix bitmap

Body port layout drawing


Ordering GuideORDERING INFORMATION
Series models Body material Body port layout Control pressure Pressure Gauges Inlet gas type Outlet gas type Options
LSR280 liquid back pressure valve
L A G  G  04 04 P
L:316L
S:304
A
B
F:0-1500psig
H:0-500psig
G:0-250psig
I:0-100psig
K:0-50psig
L:0-25psig
G: With pressure gauge
 (Mpa)
P: With pressure gauge
(psig/bar)
W: Without pressure gauge
04: 1/2"(clamp 50.5)
06: 3/4"(clamp 50.5)
08:1" (clamp 50.5)
10:1-1/4" (clamp 50.5)
12:1-1/2" (clamp 64)
14:2" (clamp 77.5)
20:3" (clamp 91)
24:3.5" (clamp 106)
28:4" (clamp 119)
Other configurations available on request
04: 1/2"(clamp 50.5)
06: 3/4"(clamp 50.5)
08:1" (clamp 50.5)
10:1-1/4" (clamp 50.5)
12:1-1/2" (clamp 64)
14:2" (clamp 77.5)
20:3" (clamp 91)
24:3.5" (clamp 106)
28:4" (clamp 119)
Other configurations available on request
P: Panel-mount mounting