
Valves that are available in the market are made up of various materials. The ones made up of fluoropolymers are known as PTFE Check Valve. They are available in a size range of ⅛ inch to 1 ½ inches. The ptfe check valve manufacturers in India are machined that assists in extremely low cracking pressure operations. And minimal backpressure for resealing. Teflon Check Valve Body is made up of machined PTFE this provides longer life, superior corrosion resistance, and resistance without the need for O-ring for resealing. They are suitable for ultra-high purity and chemical applications that are aggressive.
Pp Check Valve provides the maximum possible flow through the valve this is due to the solid polypropylene ball that sits on the elastomer seat and eliminates any chances of leakage. Polytetrafluorethylene Check Valve can be fitted with various end configurations depending upon the end use of the valve. This PTFE Disc Check Valve benefits where space is a concern since they have a compact design that fits properly into small and confined spaces. It is easy to install these Swagelok PTFE Check Valves this reduces the installation and assembly time. However, this does not mean it compromises the leak-proof quality. They are tight enough to eliminate any leakage that might arise.
Parker PTFE Check Valves tongue and groove to ensure it has a tight seal. Along with an internal polished surface, the seal results in minimal particle entrapment. It also completely isolates the corrosive process media at a working pressure of up to 120 psi. PTFE Check Valve ¼ is fully functional from vacuum to 120 psi. These 1/2 PTFE Check Valves can be used in semiconductor tools hookups, wet benches, bending systems, along with corrosive and chemical acid, slurries, and bases. Check Valve PTFE Seat manufactured and supplied by us are made with utmost care and precision along with good quality raw material. This helps us in developing and delivering the best quality product.
| BRAND NAME | TU-LOK |
| PTFE VALVES SIZE | 1/8" TO 2" / 6 MM TO 50 MM |
| CONNECTION | THREADED, TUBE END, SOCKET WELD END, FLANGE END |
| PTFE VALVES THREADS | NPT, BSPP, BSPT, METRIC, JIC, UNF |
| FLOW PATTERN | STRAIGHT |
| PTFE VALVES BODY SHAPE | HEXAGON |
| PTFE VALVES PRESSURE RATING | 1500 PSI, 3000 PSI, 6000 PSI, 10000 PSI, 15,000 PSI, 20000 PSI |
| CRACKING PRESSURE | 0.5 BAR |
| PTFE VALVES 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 |
| PTFE VALVES BODY TYPE | BAR STOCK, FORGED |
| PACKING DETAILS | BOX PACKING, WOODEN PALLET |
| PTFE VALVES EQUIVALENT BRANDS | PARKER, HOKE, SWAGELOK, VALVES, DK-LOK, HAMLET, STAUFF, OLIVER |
| MATERIAL | PTFE, TEFLON, PP |
PTFE Valves Description |
PTFE Valves Price |
| Ductile Iron/Cast Iron Metal Valves Full PTFE Check Valves | US $ 26 / Piece |
| PTFE Seat Nozzle Check Valves | US $ 49.98 / Piece |
| PTFE Flanged Ball Check Valves | US $ 9-980 / Piece |
| Sanitary Stainless Steel Tri Clamp Check Valves with PTFE Seal | US $ 8-80 / Piece |
| PTFE Cast Steel Wafer Non Return Check Valves | US $ 20 / Piece |



0 to 6 bar relative

PTFE Valves Size |
Connection |
Dimensions [mm/inch] |
|||
|
Z |
X |
B |
A |
ØK |
1 |
1/4“ (3/8“) Flare |
1/4“ (3/8“) Flare |
38.6 / [1.52] |
97.0 / [3.82] |
31.2 / [1.23] |
2 |
1/2“ Flare |
1/2“ Flare |
36.3 / [1.43] |
104.9 / [4.13] |
37.6 / [1.48] |
3 |
3/4“ Flare |
3/4“ Flare |
31.2 / [1.23] |
105.4 / [4.15] |
47.2 / [1.86] |
4 |
1“ Flare |
1“ Flare |
54.9 / [2.16] |
146.3 / [5.76] |
69.9 / [2.75] |
PTFE Valves Operating conditions |
|
Back pressure/sealing pressure |
0.35 bar |
Opening pressure |
0.017 - 0.052 bar |
| PTFE Valves Size (MM) | H | L | T | H1 | NO. OF HOLE NH | ID | OD | P.C.D | R/F | HOLES DIA HD |
| 25 | 120 | 127 | 14.3 | 200 | 4 | 25 | 108 | 79.4 | 51 | 16 |
| 40 | 160 | 165 | 17.5 | 250 | 4 | 40 | 127 | 98.4 | 73 | 16 |
| 50 | 175 | 178 | 19 | 300 | 4 | 50 | 152.4 | 120.6 | 92 | 19 |
| 80 | 240 | 203 | 23.8 | 350 | 4 | 75 | 190.5 | 152.4 | 127 | 19 |
| 100 | 270 | 229 | 23.8 | 450 | 8 | 95 | 228.6 | 190.5 | 157 | 19 |
| 150 | 330 | 267 | 25.4 | 550 | 8 | 145 | 279.4 | 241.3 | 216 | 22.2 |
PTFE Valves Ambient temperature |
|
Size 2+3 |
10 - 100 °C |
Size 1 |
0 - 100 °C |
Size 4 |
15 - 100 °C |
Connection X - Z (see arrow on product label)
| Belgium, Philippines, Dammam -KSA, Indonesia | Clamped Stainless Steel Double Pin Clamp non-return Valves with PTFE Gasket |
| Thailand, Europe, Qatar, France | Cast Bronze Swing reflux Valves with PTFE Gasket |
| Malaysia, Thailand, Czechia, Germany | retention Valves Valves Body CF8/Valves Disc S30408/Main Seal PCTFE / PTFE |
| Finland, Bangladesh, Malaysia, USA | Y Pattern PTFE Cast Steel foot Valves |
| Brazil, Kuwait, South Africa, Saudi Arabia (KSA) | PTFE Washer DI+NI Plate/SS304 Nozzle Silent one-way Valves |
| Singapore, Bahrain, South Africa | PTFE EPDM PFA Wafer Dual Plate Valves |
PTFE Valves Materials |
|
Choice of flare union nut |
PFA, CPFA, PVDF |
Media wetted parts |
PTFE |
Kv / Cv values - check valve (standard) |
||||||||
PTFE Valves Connection |
Size |
Cv value |
Kv value |
|||||
Size |
|
Code |
Connection |
DN |
Size |
Code |
US gal/min |
l/min |
1/4” |
Tube |
73, 75, 77 |
Flare connection |
4 |
1 |
4 |
0.26 |
3.74 |
3/8” |
Tube |
73, 75, 77 |
Flare connection |
4 |
1 |
6 |
1.11 |
15.84 |
1/2” |
Tube |
73, 75, 77 |
Flare connection |
10 |
2 |
8 |
2.03 |
29.23 |
3/4” |
Tube |
73, 75, 77 |
Flare connection |
15 |
3 |
12 |
4.13 |
59.47 |
1” |
Tube |
73, 75, 77 |
Flare connection |
20 |
4 |
16 |
11.85 |
170.60 |
| Connections | PTFE Valves ASME STD. |
| Butt Weld | B16.25, B16.10, B16.34 |
| Threaded | B.1.20.1, B16.34 |
| Max. Pressure | 600 psi |
| Socket Weld | B16.11, B16.10, B16.34 |
| Flanged | B16.34, B16.5, B16.10 |
| Max. Temperature | 450ºF |
| Size | 1″ through 4″ |
| Flanged End Pressure Rating at 100ºF: | |
| Steel | WCB 285 psi |
| Stainless | CF8M 275 psi |

Overlap dimensions and thread sizes of flare connections |
||||
PTFE Valves Size |
A mm [inch] |
Thread designation |
Tube size |
Standard |
1 |
7.0 [0.27“] |
1/2“-20-UnF |
1/4“ |
AnSI B 1.1 |
1 |
10.0 [0.39“] |
5/8“-20-Un |
3/8“ |
AnSI B 1.1 |
2 |
12.0 [0.47“] |
3/4“-20-UnEF |
1/2“ |
AnSI B 1.1 |
3 |
14.0 [0.55“] |
1“-20-UnEF |
3/4“ |
AnSI B 1.1 |
4 |
14.0 [0.55“] |
1 7/16“-12-Un |
1“ |
AnSI B 1.1 |