
Inconel Spring Check Valve is widely used in oil and gas pipelines, heating, plumbing, water supply system, and the chemical industry. Moreover, they are also used in the pulp and paper industry, power plants, fabrication industry, food industry, as well as in general purpose applications. Inconel 600 Check Valve offers good workability and excellent mechanical properties. They perform well in extreme heat conditions. This is the reason they are popularly used in furnace applications such as heat treating or annealing as they resist oxidation and carburization at high temperatures. However, this leaves the metal susceptible to sulfur attacks.
Inconel 625 Check Valve has an addition of columbium and molybdenum which adds to its performance. It is said to have high creep and rupture strength along with fatigue resistance. Inconel 825 Check Valve is easy to weld and is used in jet engine exhausts, flare stacks, seawater equipment, and so on. Inconel 718 Check Valve is used in pressure transmitters and pressure gauges. It is resistant to high heat as well as cryogenic temperature. They are passed through various tests such as intergranular, hardness, chemical, ultrasonic, hydrostatic, and so on to confirm their qualities.
| Description | Price |
| Pressure Seal Y Type Piston Inconel 825 Cu5mcuc Check Valves | US $ 50-5000 / Set |
| Inconel Uns N06625 Forged Lug Check Valves |
US $ 18-60 / Piece |
| High Pressure Nickel Alloy Inconel 625 Lug Check Valves | US $ 18-60 / Piece |
| Inconel X-750 Spring Dual Disc Check Valves | US $ 1600 / Piece |
| Inconel 600/625/825 Industrial Poppet Check Valves | US $ 10-1000 / Piece |
| API 6D Lugged Dual Plate Inconel X-750 Spring Loaded Piston Check Valves |
US $ 95-100 / Set |
| Lug Duo Disc Dual Plate Piston Check Valves with Inconel 750 Spring Hinge | US $ 10-150 / Piece |
Check valves are available in various materials depending upon the end use one can choose the required material. Inconel Check Valve is the one made using nickel and chromium. This assists them in resisting high temperature and corrosion. Inconel check valve manufacturers in India recommend these valves due to their resistance to corrosion even in the marine environment. These Inconel inline check valves display qualities such as good weldability, high formability, good machinability, and higher mechanical strength. Inconel forms a thick layer of oxide on them when heated. Whereas, Incoloy 800 Check Valve offers a higher quantity of ferrous. They have various properties due to which they are used in various applications in different industries.
| BRAND NAME | TU-LOK |
| 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 |
| FLOW PATTERN | STRAIGHT |
| BODY SHAPE | HEXAGON |
| PRESSURE RATING | 1500 PSI, 3000 PSI, 6000 PSI, 10000 PSI, 15,000 PSI, 20000 PSI |
| CRACKING PRESSURE | 0.5 BAR |
| ORIFICE SIZE | 2 MM TO 40 MM |
| TYPE | 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 | BAR STOCK, FORGED |
| PACKING DETAILS | BOX PACKING, WOODEN PALLET |
| EQUIVALENT BRANDS | SWAGELOK, PARKER, STAUFF, DK-LOK, HAMLET, OLIVER VALVES, HOKE |
| MATERIAL | INCONEL 600, INCONEL 625, INCONEL 718, INCONEL 825, INCOLOY 800 |

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) |
|
| Inconel | Element (% By Mass) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mo | Cr | Ni | Fe | Co | Nb | Cu | Mn | Ti | Al | C | Si | S | B | P | |
| 600 | 14.00 to 17.00 | 72.00 | 6.00 to 10.00 | 0.05 | 1.00 | 0.015 | 0.05 | 0.0015 | |||||||
| 617 | 8.00 to 10.00 | 20.00 to 24.00 | 44.02 to 56.00 | 3.00 | 10.00 to 15.00 | 0.05 | 0.05 | 0.06 | 0.08 to 1.05 | 0.015 | 0.05 | 0.0015 | 0.0006 | 0.0015 | |
| 625 | 8.00 to 10.00 | 20.00 to 23.00 | 58.00 | 5.00 | 1.00 | 3.015 to 4.015 | 0.05 | 0.04 | 0.04 | 0.01 | 0.05 | 0.0015 | 0.0015 | ||
| 690 | 30 | 59.05 | 9.02 | 0.001 | 0.035 | 0.002 | 0.0019 | 0.035 | 0.0003 | ||||||
| 718 | 2.08 to 3.03 | 17.00 to 21.00 | 50.00 to 55.00 | Balance | 1.00 | 4.075 to 5.05 | 0.02 to 0.08 | 0.035 | 0.03 | 0.065 to 1.015 | 0.008 | 0.035 | 0.0015 | 0.0006 | 0.0015 |
| X-750 | 14.00 to 17.00 | 70.00 | 5.00 to 9.00 | 1.00 | 0.07 to 1.02 | 0.05 | 1.00 | 2.025 to 2.075 | 0.04 to 1.00 | 0.008 | 0.05 | 0.001 | |||
| Elongation (% in 50mm) min | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Hardness | |
| Brinell (HB) max | Rockwell B (HR B) max | |||
| 42.5 | Psi – 1,35,000 , MPa -930 | Psi – 75,000 , MPa – 517 | – | – |
| Standard | Inconel 718 | Inconel 601 | Inconel 600 | Inconel 625 |
|---|---|---|---|---|
| WERKSTOFF NR. | 2.4668 | 2.4851 | 2.4816 | 2.4856 |
| UNS | N07718 | N06601 | N06600 | N06625 |
| JIS | - | NCF 601 | NCF 600 | NCF 625 |
| BS | - | NA 49 | NA 13 | NA 21 |
| AFNOR | - | NC23FeA | NC15FE11M | NC22DNB4M |
| OR | - | ЭИ868 | ЭИ868 | ЭИ602 |
| GOST | - | XH60BT | МНЖМц 28-2,5-1,5 | ХН75МБТЮ |
| EN | - | NiCr23Fe | NiCr15Fe | NiCr22Mo9Nb |
| 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 |
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 |
BSPP |
1/4 |
3/8 |
1/2 |
3/4 |
1 |
1 1/4 |
1 1/2 |
2 |
2 1/2 |
3 |
4 |
A |
45 |
43 |
46 |
50 |
56 |
62 |
66 |
74 |
93 |
98 |
108 |
B |
28 |
30 |
34 |
41 |
47.5 |
55.5 |
67.5 |
81 |
102.5 |
112 |
142.5 |
Weight Kg |
0.1 |
0.14 |
0.13 |
0.19 |
0.24 |
0.35 |
0.53 |
0.75 |
1.69 |
1.98 |
3.69 |
| Philippines, Chile, Canada, Iran | Pressure Seal Bonnet Forged inconel Valves |
| Europe, United Arab Emirates (UAE), Romania, Norway | inconel Lift Piston Swing Valves |
| Sweden, Netherlands, Malaysia, Russia | ASTM A494 Cw6mc Double Door Wafer Valves |
| Malaysia, Egypt, Los Alamos -Mexico | inconel JIS 10K 20K 40K RF Industrial Swing Valves |
| Singapore, United Kingdom -UK, NY 12203 (USA), Malaysia | inconel Wafer Lug Type Dual Plate Valves |
| Dammam -KSA, UK, Philippines, Poland | Wafer Dual Plate Double Flange Type Valves |
| Qatar, Singapore, Europe, Malaysia | Industrial Bolted Bonnet High Pressure Wcb Poppet Check Valves |
| Czechia, Malaysia, Thailand, Japan | JIS Standard Inconel Industrial Valves |
| Malaysia, China, Bangladesh, Colombia | Industrial Forged Steel inconel Valves |