Various alloys are used in manufacturing check valves. One such alloy used to manufacture such valves is the Alloy 20 Check Valve. They contain nickel chromium and molybdenum and are specifically designed to be used in applications that contain sulfuric acid. Moreover, they are also said to resist chloride corrosion cracking and pitting.
alloy 20 check valve manufacturers in India recommend the use of these valves in flue gas desulfurization, food processing, and certain pharma operations. They can be hot formed or cold worked. Moreover, they are also used in heat exchangers, condensers, pulp and paper industry, power generation, and so on.
UNS N08020 Spring Check Valve is also used in off-shore drilling companies, petrochemical processing, pharmaceutical, seawater, and chemical equipment. These valves can resist acid strikes namely sulfuric acid. Moreover, a minute quantity of niobium can be added to the alloy this enhances the resistance of the alloy to sensitization.
Moreover, the addition of niobium to WERKSTOFF NR. 2.4660 Hydraulic Check Valve also makes it resistant to intergranular corrosion. The alloy used in the production of these valves is said to possess good fabricability. The size of these valves ranges from ½ inch to 48 inches.
Carpenter 20 inline Check Valve is widely used in pickling racks, tanks, food and dying industries, and other environments. These valves have a working temperature ranging from -29 degrees C to +180 degrees C and a size range of ½ inch to 4 inches. The melting point of carpenter 20 valves goes up to 1443 degrees C with a density of 8.1 g/cm3.
BRAND NAME | TU-LOK |
MANUFACTURER OF ALLOY 20 VALVE SIZE | 1/8" TO 2" / 6 MM TO 50 MM |
CONNECTION | THREADED, TUBE END, SOCKET WELD END, FLANGE END |
THREADS | NPT, BSPP, BSPT, METRIC, JIC, UNF |
ALLOY 20 VALVES FLOW PATTERN | STRAIGHT |
BODY SHAPE | HEXAGON |
ALLOY 20 VALVES PRESSURE RATING | 1500 PSI, 3000 PSI, 6000 PSI, 10000 PSI, 15,000 PSI, 20000 PSI |
CRACKING PRESSURE | 0.5 BAR |
ALLOY 20 VALVES ORIFICE SIZE | 2 MM TO 40 MM |
ALLOY 20 VALVES TYPE MANUFACTURER | POPPET TYPE, SPRING TYPE |
MEDIA | HYDRAULIC OIL, AIR, WATER, GAS, STEAM, HOT WATER , COLD WATER , SEA WATER , CHEMICAL |
MEDIA TEMPERATURE | (-50* C TO 350*C ) RANGE AS PER PRESSURE |
BODY TYPE MANUFACTURER | BAR STOCK, FORGED |
ALLOY 20 VALVES PACKING DETAILS | BOX PACKING, WOODEN PALLET |
EQUIVALENT BRANDS | SWAGELOK, PARKER, STAUFF, DK-LOK, HAMLET, OLIVER VALVES, HOKE |
MATERIAL | ALLOY 20 |
Description |
Price |
Alloy 20 Corrosion Resistant Flange G non-return Valves | US $ 95-100 / Set |
no. 20 Alloy No8020 Forged reflux Valves | US $ 916 / Piece |
20# Alloy Rotary retention Valves | US $ 1500-3000 / Piece |
Alloy 20 A494 A743 Cn7m Bolted Cover Flanged Non Return Swing Disc foot Valves | US $ 9.5-10 / Set |
Stainless Steel Valves Size |
Type |
Cracking Pressure (psi) |
Weight (lbs) |
---|---|---|---|
1/2" | NPT | 0.25 | 1.0 |
1/2" | NPT | 5.0 | 1.0 |
1/2" | Socket Weld | 0.25 | 1.0 |
1/2" | Socket Weld | 5.0 | 1.0 |
3/4" | NPT | 0.25 | 1.5 |
3/4" | NPT | 5.0 | 1.5 |
3/4" | Socket Weld | 0.25 | 1.5 |
3/4" | Socket Weld | 5.0 | 1.5 |
1" | NPT | 0.25 | 2.3 |
1" | NPT | 5.0 | 2.3 |
1" | Socket Weld | 0.25 | 2.3 |
1" | Socket Weld | 5.0 | 2.3 |
1 1/4" | NPT | 0.25 | 3.5 |
1 1/4" | NPT | 5.0 | 3.5 |
1 1/4" | Socket Weld | 0.25 | 3.5 |
1 1/4" | Socket Weld | 5.0 | 3.5 |
1 1/2" | NPT | 0.25 | 5.3 |
1 1/2" | NPT | 5.0 | 5.3 |
1 1/2" | Socket Weld | 0.25 | 5.3 |
1 1/2" | Socket Weld | 5.0 | 5.3 |
1 1/2" | NPT | 0.00 | 5.3 |
2" | NPT | 0.25 | 8.5 |
2" | NPT | 5.0 | 8.5 |
2" | Socket Weld | 0.25 | 8.5 |
2" | Socket Weld | 5.0 | 8.5 |
3" | NPT | 0.25 | 21 |
3" | NPT | 5.0 | 21 |
3" | Socket Weld | 0.25 | 21 |
3" | Socket Weld | 5.0 | 21 |
End Connections |
Pressure Rating at 100°F (37°C) |
Series |
Dimensions |
||
Size |
Type |
B |
A |
||
1/8 in .0 |
Fractional tube fitting |
6000 (413) |
CH4 |
11/16 |
2 .027 (57 .07) |
1/4 in .0 |
2 .043 (61 .07) |
||||
3/8 in .0 |
CH8 |
1 |
2 .075 (69 .09) |
||
1/2 in .0 |
2 .096 (75 .02) |
||||
3/4 in .0 |
5000 (344) |
CH16 |
1 5/8 |
3 .052 (89 .04) |
|
1 in .0 |
4700 (323) |
3 .088 (98 .06) |
|||
6 mm |
Metric tube fitting |
6000 (413) |
CH4 |
11/16 |
2 .043 (61 .07) |
8 mm |
CH8 |
1 |
2 .070 (68 .06) |
||
10 mm |
2 .080 (71 .01) |
||||
12 mm |
2 .096 (75 .02) |
||||
22 mm |
4900 (337) |
CH16 |
1 5/8 |
3 .048 (88 .04) |
|
25 mm |
4600 (316) |
3 .088 (98 .06) |
|||
1/4 in .0 |
Female NPT |
6000 (413) |
CH4 |
11/16 |
2 .013 (54 .01) |
3/8 in .0 |
5300 (365) |
CH8 |
1 |
2 .055 (64 .08) |
|
1/2 in .0 |
4900 (337) |
1 1/16 |
3 .003 (77 .00) |
||
3/4 in .0 |
4600 (316) |
CH16 |
1 5/8 |
3 .023 (82 .00) |
|
1 in .0 |
4400 (303) |
3 .083 (97 .03) |
|||
1/8 in .0 |
Male NPT |
6000 (413) |
CH4 |
11/16 |
1 .079 (45 .05) |
1/4 in .0 |
2 .017 (55 .01) |
||||
3/8 in .0 |
CH8 |
1 |
2 .036 (59 .09) |
||
1/2 in .0 |
2 .073 (69 .03) |
||||
3/4 in .0 |
5000 (344) |
CH16 |
1 5/8 |
3 .029 (83 .06) |
|
1 in .0 |
3 .067 (93 .02) |
||||
1/4 in .0 |
Female ISO➀ |
6000 (413) |
CH4 |
11/16 |
2 .028 (57 .09) |
1/2 in .0 |
5100 (351) |
CH8 |
1 1/16 |
3 .029 (83 .06) |
|
3/4 in .0 |
4800 (330) |
CH16 |
1 5/8 |
3 .055 (90 .02) |
|
1 in .0 |
4400 (303) |
3 .083 (97 .03) |
|||
1/4 in .0 |
Male ISO➀ |
6000 (413) |
CH4 |
11/16 |
2 .017 (55 .01) |
1/2 in .0 |
CH8 |
1 |
2 .073 (69 .03) |
||
3/4 in .0 |
5000 (344) |
CH16 |
1 5/8 |
3 .029 (83 .06) |
|
1 in .0 |
3 .067 (93 .02) |
||||
1/2 in .0 |
Female SAE/MS |
4600 (316) |
CH8 |
1 |
2 .074 (69 .06) |
1/2 in .0 |
Male SAE/MS |
4600 (316) |
2 .048 (63 .00) |
||
1/4 in .0 |
Male VCO fitting |
6000 (413) |
CH4 |
11/16 |
1 .098 (50 .03) |
1/2 in .0 |
CH8 |
1 |
2 .035 (59 .07) |
||
3/4 in .0 |
5000 (344) |
CH16 |
1 5/8 |
2 .090 (73 .07) |
|
1 in .0 |
|||||
1/4 in .0 |
Male VCR fitting |
6000 (413) |
CH4 |
11/16 |
2 .028 (57 .09) |
1/2 in .0 |
4300 (296) |
CH8 |
1 |
2 .073 (69 .03) |
|
3/4 in .0 |
3700 (254) |
CH16 |
1 5/8 |
3 .078 (96 .00) |
Valves Size | A | B | C |
---|---|---|---|
½” | 65 | 46 | 19 |
¾” | 80 | 58 | 23 |
1” | 90 | 69 | 27 |
1 ¼” | 105 | 75 | 32 |
1 ½” | 120 | 85 | 41 |
2” | 140 | 98 | 50 |
All wrapped up Alloy 20 valves are pressed to suit the extraordinary conditions for worldwide conveyances and can too customized as per customer's particular necessities.
NPS | Alloy 20 Valves Weight (lb) | G | d | D | C | H | L | f | T | N | M |
---|---|---|---|---|---|---|---|---|---|---|---|
2” | 37.05 | 3.062 | 2 | 5.098 | 4.074 | 5.039 | 8 | 0.006 | 0.063 | 4 | 0.075 |
2-1/2” | 50.07 | 4.013 | 2.05 | 7.001 | 5.049 | 5.087 | 8.05 | 0.006 | 0.071 | 4 | 0.075 |
3” | 63.09 | 5 | 3 | 7.048 | 6 | 6.034 | 9.05 | 0.006 | 0.075 | 4 | 0.075 |
4” | 92.06 | 6.018 | 4 | 9.002 | 7.05 | 9.002 | 11.05 | 0.006 | 0.094 | 8 | 0.075 |
6” | 163.01 | 8.05 | 6 | 10.098 | 9.051 | 10.075 | 14 | 0.006 | 1.002 | 8 | 0.087 |
8” | 238.01 | 10.063 | 8 | 13.05 | 11.075 | 13.043 | 19.05 | 0.006 | 1.014 | 8 | 0.087 |
10” | 390.02 | 12.076 | 10 | 15.098 | 14.025 | 15.087 | 24.05 | 0.006 | 1.022 | 12 | 0.098 |
12” | 621.07 | 15 | 12 | 19.002 | 17.001 | 18.054 | 27.05 | 0.006 | 1.026 | 12 | 0.098 |
Grade | C | Ni | P | Mn | Si | S | Cr | Mo | Nb | Cu |
---|---|---|---|---|---|---|---|---|---|---|
Alloy 20 | 0.02 max | 32 - 38 | 0.02 max | 1 - 2 | 0.7 max | 0.005 max | 19 - 21 | 2 - 3 | 0.1 - 0.3 | 3 - 4 |
Grade | Melting Point | Density | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
---|---|---|---|---|---|
Alloy 20 | 1443 °C (2430 °F) | 8.1 g/cm3 | Psi - 35,000, MPa - 241 | Psi -80,000, MPa -551 | 30 % |
STANDARD | EN | WERKSTOFF NR. | UNS | AFNOR |
Alloy 20 | NiCr20CuMo | 2.4660 | N08020 | Z2NCUD31-20AZ |
Philippines, Indonesia, Belgium, Dammam -KSA | Alloy 20 non-return Valves |
Europe, France, Thailand, Qatar | Alloy 20 reflux Valves |
Thailand, Germany, Malaysia, Czechia | Alloy 20 retention Valves |
Bangladesh, USA, Finland, Malaysia | Carpenter 20 foot Valves |
Kuwait, Saudi Arabia (KSA), Brazil, South Africa | UNS N08020 one-way Valves |
Singapore, South Africa, Singapore, Bahrain | WERKSTOFF NR. 2.4660 HydraulicValves |
UK, Australia, Nigeria, Philippines | Alloy 20 Instrumentation Valves |