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Low pressure high temperature back pressure valve HTRLBT/HTRLBF
Low pressure high temperature back pressure valve HTRLBT/HTRLBF

Low pressure high temperature back pressure valve HTRLBT/HTRLBF

Pressure Regulating Valves is dedicated to R&D of pressure regulating valve control system, With 12 years of R&D and manufacturing of low pressure high temperature back pressure valve, Low pressure back pressure valves etc. Products of products manufacturer. Stable product quality, Constant improvement, Well reputed; Reliable after-sales service.

HTRLBT/HTRLBF low pressure series high temperature back pressure valve, adopts large diaphragm cover design, designed specifically for micro-pressure and low-pressure service, used for high temperature liquid and gas tubing, very high sensitivity.

  • High Temperature Back Pressure Valves
    High temperatureBack pressure valve
  • High Temperature Back Pressure Valves
    High Temperature Back Pressure Valves
  • High Temperature Back Pressure Valves
    High Temperature Back Pressure Valves
  • High Temperature Back Pressure Valves
    High Temperature Back Pressure Valves
  • High Temperature Back Pressure Valves
    High Temperature Back Pressure Valves

Design FeaturesDesign features

➣ Large diaphragm cover design

➣ Pressure regulating high precision.

➣ operated convenient

Temperature: 100℃ to +230℃

➣ Low maintenance cost, long maintenance interval, easy assembly and disassembly, simple seat seal inspection and few spare parts

Excellent control performance: Control high precision, fast response, good stability

SpecificationsCharacteristic parameters

➣ control range: 0-0.1, 0-0.4, 0-0.8, 0-1.5, 0-3bar
Safety Test Pressure: 1.5 times of max. Inlet pressure
Leak rate: Without gas leakage
Temperature Range: 100℃ to +230℃
Cv value: 2.6, 4.1, 6.6, 11, 13, 17, 75, 80, 120

Product materialProduct material

Body: 316L, 304, stainless steel pTFE-lined
Bonnet: 304
Diaphragm: VITON, PTFE, EPDM, PEEK
Valve Seat: NBR, VITON, PEEK
Spring: 304
Plug Stem: 304, 316L
O-ring: EPDM, Viton, PTFE, RPTFE

Cv valueCV VALUES

Models Size Ports thread / flange Cv value
Threaded back pressure valve
HTRLBT
Flanged back pressure valve
HTRLBF
DN15 1/2" 2.6
DN20 3/4" 4.1
DN25 1" 6.6
DN32 1-1/4" 11
DN40 1-1/2" 13
DN50 2" 17
DN65 2.5" 75
DN80 3" 80
DN100 4" 120

Ordering GuideORDERING INFORMATION
Series Material Thread ports Inlet pressure Control pressure Pressure Gauges
HTRLBT thread high temperature back pressure valve
HTRLBF flange high temperature back pressure valve
G G
S:304
L:316L
CF: PTFE-lined
1/2"(15)
3/4"(20)
1"(25)
1-1/4"(32)
1-1/2"(40)
2"(50)
2.5"(65)
3"(80)
4"(100)
G:0.3Mpa
D:0.6Mpa
F:1Mpa
F:0-0.1bar
G:0-0.4bar
H:0-0.8bar
K:0-1.5bar
L: 0-3bar
W: Without pressure gauge
G: With pressure gauge
 (MPa)
P: With pressure gauge
(Psig/bar)