PTFE - Teflon® Check Valves
from Plast-O-Matic Valves, Inc.
Series CKM A unique, patented diaphragm provides normally-closed operation with a bubble-tight seal, even with no reverse pressure. 1/2 ″ through 1 ″ pipe sizes. [See More]
- Material Of Construction: PTFE
- Connection Description: Threaded; Socket Weld (optional feature); 3/4" NPT or BSP - 1" NPT or BSP
- Valve Size: 0.75 to 2.00
- Maximum Pressure: 100.00 to 150.00
from Check-All Valve Mfg. Co.
Flange Insert valves are the ultimate check valves in flanged systems. They provide the simplest most economical way to install check valves in a piping system, the valve body automatically positions the valve and holds it in place while bolts are being installed and tightened. All that is required... [See More]
- Material Of Construction: Aluminum (optional feature); Brass / Bronze; Stainless Steel; Steel; Exotic Metal; FEP Encapsulator; PVC; PTFE
- Valve Size: 0.50
- Valve Type: Lift Check; Poppet; Back Flow
- Connection Description: BoltFlange; Face Seal (optional feature); 1-3/8" O.D. Flange
from Cole-Parmer
All valves have Viton <reg > diaphragms. [See More]
- Material Of Construction: PTFE
- Flow (Cv): 0.50
- Maximum Pressure: 100.00
from International Polymer Solutions Inc.
Our IPS Check Valve feature all PTFE wetted surfaces for excellent performance in all high purity applications. Our PTFE design resists chemical corrosion and other elements within a harsh process environments. IPS Check Valves are commonly found as backflow preventers in clean processes. They are a... [See More]
- Material Of Construction: PTFE
- Connection Description: Threaded (optional feature); Tube Fitting (optional feature); 1/8", 1/4", 3/8", 1/2" FNPT/TUBE/FLARE
- Valve Size: 0.12 to 0.50
- Maximum Pressure: 50.00
from Valcor Engineering Corporation
The SV111 is a spring-activated check valve with disc type seating. It has a relatively low, yet realistic rated cracking pressure, resulting in quick response to changes in fluid pressure. The optically flat PTFE seal disc and seat provides drip tight sealing on most fluids. It ’s small... [See More]
- Material Of Construction: PTFE
- Valve Size: 0.25
- Valve Type: BallDisk
- Connection Description: Threaded; 1/4"-28
from Check-All Valve Mfg. Co.
The Lined Pipe Insert valve is designed to mate between two flanges on most lined pipe systems. It provides the simplest most economical way to install a check valve in a lined piping system. No gaskets are required, just spread the flanges, center the valve and bolt the flanges together. Lined Pipe... [See More]
- Material Of Construction: Exotic Metal; FEP Encapsulator; PTFE
- Valve Size: 1.00
- Valve Type: Lift Check; Poppet; Back Flow
- Connection Description: BoltFlange; Face Seal (optional feature); 2" O.D. Flange
from Check-All Valve Mfg. Co.
For over 35 years, the compact, fluoropolymer (PTFE/FEP/PFA), Sanitary Insert Valve has been used as the most economical solution to providing a check valve in a new or existing sanitary piping system. This valve style is designed to fit into grooved-end clamp-type fittings. Since the Sanitary... [See More]
- Material Of Construction: FEP Encapsulator; PTFE
- Valve Size: 0.75
- Valve Type: Lift Check; Poppet; Back Flow
- Connection Description: Clamp Flange; Butt Weld; Face Seal (optional feature); 3/4" Line Size