TY74 series high flow back pressure valves, diaphragm pressure transmission, accurate pressure control, for regulating upstream pressure, suitable for pure gas, standard gas, corrosive gas and liquids, etc.
Manual control
Pilot control
Air chamber regulation
Electric control
Air operated control
Electrical proportional model
● Diaphragm type structure
Body Thread: 1/2''-2''NPT(F)
● Built-in filter screen
● Can be adopts panel-mount
● Laboratory
● Gas analysis
● Process control
● Petrochemical industry
●test equipment
| Max. Inlet Pressure: 400Psig |
| ➣ control pressure: 0~20, 0~50, 0~125, 0~200, 0~250psig, 400Psig, |
| Safety Test Pressure: 150% max. Rated pressure |
| Temperature Range: -40℃ to ＋100℃(above 100° consult technical) |
| Leak rate: Without gas leakage |
| Cv value: 2, 3.2, 4, 5, 7.3, 11 |
| Valve Body: 316L, 304, Brass, C276, TA2, PVDF, stainless steel pTFE-lined |
| Bonnet: 304 |
| Diaphragm: NBR(nylon lined), Viton(nylon lined), 316L, PTFE |
| Valve Seat: PTFE, PEEK, Vespel |
| Spring: 316L |
| Plug Stem: 316L |
| O-ring: NBR(nitrile rubber), EPDM rubber, chemraz or Viton |
| Ordering guide ORDERING INFORMATION | |||||||
| Series models | Body material | Body port layout | Inlet Pressure | Pressure Gauges | Inlet gas type | Outlet gas type | Options |
| TY74High Flow Back Pressure Valves HTTY74High Temperature Back Pressure Valves ATY74 air operated back pressure valve XTY74 pilot back pressure valve LTY74 liquid back pressure valve DTY74 chamber back pressure valve ETY74 motorised back pressure valve EATY74 proportional back pressure valve | L | A | G | G | 6 | 6 | P |
| L:316L B:Brass S:304 C:C276 T:TA2 P:PVDF CF: PTFE-lined | A B | L:0-20psig K:0-50psig I:0-125psig H:0-200psig G:0-250psig D:0-400psig | G: With pressure gauge (Mpa) P: With pressure gauge (psig/bar) W: Without pressure gauge | 04:1/2NPT(F) 06:3/4NPT(F) 08:1"NPT(F) 10:1-1/4"NPT(F) 12:1-1/2"NPT(F) 14:2"NPT(F) Other fitting types available | 04:1/2NPT(F) 06:3/4NPT(F) 08:1"NPT(F) 10:1-1/4"NPT(F) 12:1-1/2"NPT(F) 14:2"NPT(F) Other fitting types available | P: Panel-mount mounting | |
