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High temperature back pressure valve HTTY75
High temperature back pressure valve HTTY75

High temperature back pressure valve HTTY75

High temperature back pressure valve HTTY75(piston type): Pressure Regulating Valves is dedicated to R&D of pressure regulating valve control system, With 12 years of R&D and manufacturing of high Temperature Back Pressure Valves, Stainless steel back pressure valve etc. Products of products manufacturer. Stable product quality, Constant improvement, Well reputed; Reliable after-sales service.

HTTY75 medium-high pressure series high temperature back pressure valve, stainless steel piston pressure transmission, accurate pressure control, adjust the upstream pressure by hand, suitable for high temperature gas, high temperature liquids, etc., can be panel mounted. Including stainless steel, brass and Hastelloy back pressure valves, other materials such as titanium are available.


  • High temperature model
    High temperature model
  • High temperature model
    High temperature model
  • High temperature model
    High temperature model

Design FeaturesDesign features

● Piston type pressure reducing structure

● Body thread 1/4''-1''NPT(F)

● Built-in filter screen

● Panel or wall mounting available

Application rangeScope of application

● Laboratory

● Gas analysis

● Fluid control

● Petrochemical industry

● Test equipment

SpecificationsCharacteristic parameters

Max. Inlet Pressure: 3000psig
➣ control pressure: 0~300 0~600, 0~800, 0-1500, 0.3000psig
Safety Test Pressure: 150% max. Rated pressure
Temperature Range: 100℃ to +260℃(above 260℃ consult technical)
Leak rate: Without gas leakage
Cv value: 0.06, 0.08, 0.2, 0.4, 0.6, 1.2, 2

Product materialProduct material

Body: 316L, Brass, C276, TA2, stainless steel pTFE-lined
Bonnet: 304
O-ring: Viton, PTFE, PTFE with carbon fibre
Valve Seat: PEEK, PTFE, Vespel
Plug Stem: 316L, Stellite alloy, tungsten carbide

Flow Curve ChartFlow curve

Flow Curve Chart

Installation Dimension DrawingInstallation dimensions

Installation Dimension Drawing

Body port layout drawingMatrix bitmap

Body port layout drawing


Ordering GuideORDERING INFORMATION
Series Body material Body port layout Control pressure Pressure Gauges Inlet gas type Outlet gas type Options
HTTY75 high temperature back pressure valve
L A G G 00 00 P
L:316L
B:Brass
C:C276
T: TA2
CF:: PTFE-lined
A
B
G:0-150Psig
I:0-300Psig
K:0-600Psig
L:0-800psig
H:0-1500Psig
J:0-3000psig
G: With pressure gauge(mpa)
P: With pressure gauge(psig/bar)
W: Without pressure gauge
00:1/4"NPT(F)
01:1/4"NPT(F)
02:3/8"NPT(F)
04:1/2"NPT(F)
06:3/4NPT(F)
08:1"NPT(F)
91:1/4"VCR(F) female thread
92:1/4"VCR(M) male thread
93:1/4" welded tube
Other connection types are available on request
00:1/4"NPT(F)
01:1/4"NPT(F)
02:3/8"NPT(F)
04:1/2"NPT(F)
06:3/4NPT(F)
08:1"NPT(F)
91:1/4"VCR(F) female thread
92:1/4"VCR(M) male thread
93:1/4" welded tube
Other connection types are available on request
P: Panel-mount mounting