Oxygen Flow Stainless Steel Pressure Regulator For Welding With Diaphragm Valve
R31 Serie stainless steel pressure reducers, double-stage diaphragm pressure reducing construction, stable output pressure, applied to high pure gas, standard gas, corrosive gas and so on
Design Features
l Five holes on the body
l two-stage decompression structure
l Metal-to-metal diaphragm seal
l Body thread: 1/4” NPT(F)
l Easy to clean inside
l Filter inside
l Panel mounting and wall mounting available
l Optional outlet: needle valve, diaphragm valve
Specification
l Maximum inlet pressure: 3000, 500psig
l Output pressure:0~25, 0~50, 0~100, 0~250psig
l Safe testing pressure: 1.5 times maximum inlet pressure
l Working temperature: -40℉~+165℉(-40℃~+74℃)
l Leakage rate: 2×10-8 atm.cc/sec
l CV value=0.06
Typical Application
l Laboratory
l Gas laser
l Gas bus-bar
l Petrochemical industry
l Testing equipment
Material
l Body: 316L, Brass
l Bonnet: 316L, Brass
l Diaphragm: 316L
l Strainer: 316L(10μm)
l Seat: PCTFE, PTFE, Vespel
l Spring: 316L
l Stem: 316L
| Item | Body Material | Body Hole | Inlet pressure | Outlet pressure | Gauge | Inlet connection | Outlet connection | Optional |
| R31 | L:ss316L | M | D:3000PSI | G:0-125psi | G:Mpa | 00:1/4NPT F | 00:1/4"NPT F | P:panel mount |
| B:brass | Q | F:500PSI | I:0-75psi | P:psi/bar | 01:1/4"NPT M | 01:1/4"NPT M | R:attached safety relief valve | |
| K:0-25psi | W:no gauge | 23:CGA330 | 10:1/8O.D. | N:attached needle valve | ||||
| L:0-15psi | 24:CGA350 | 11:1/4O.D. | D:attached diaphragm valve | |||||
| Q:30"Hg Vac-30psig | 27:CGA580 | 12:3/8O.D. | ||||||
| S:30"hg Vac-60psig | 28:CGA660 | 15:6mmO.D. | ||||||
| T:30"hg Vac-100psi | 30:CGA590 | 16:8mmO.D. | ||||||
| U:30"Hg Vac-200psi | 52:G5/8"-RH(F) | 74:M8*1-RH(M) | ||||||
| 63:W21.8-14H(F) | ||||||||
| 64:W21.8-14LH(F) | ||||||||
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