Exotic Metal Check Valves

Last Updated: April 1, 2025

Description

Exotic metal check valves are specialized components designed to control the flow of fluids in a system, allowing flow in one direction while preventing backflow. These valves are constructed from high-performance materials such as titanium, nickel alloys, zirconium, and tantalum, which provide enhanced corrosion resistance and mechanical stability in extreme environments.

Working Principle

Exotic metal check valves operate by utilizing a mechanism that opens to allow fluid to pass through in one direction and closes to prevent backflow. The valve's design typically includes a disc or ball that moves in response to the flow pressure. When the fluid pressure in the forward direction exceeds the cracking pressure, the valve opens. Conversely, when the pressure drops or reverses, the valve closes, ensuring unidirectional flow. These valves are particularly useful in harsh environments due to their superior corrosion resistance and ability to maintain integrity under extreme conditions.

Applications

Exotic metal check valves are commonly used in industries where severe conditions are prevalent. Specific examples include:

  • Chemical Processing Industries (CPI): Used in processes involving corrosive chemicals where standard materials would fail.
  • Oil and Gas: Employed in offshore and onshore drilling operations where exposure to harsh chemicals and high pressures is common.
  • Pharmaceuticals: Utilized in manufacturing processes that require high purity and resistance to aggressive cleaning agents.
  • Food Processing: Applied in systems where hygiene and resistance to cleaning chemicals are critical.

Advantages over other Manufacturing - Vacuum Equipment

Exotic metal check valves offer several advantages over traditional materials used in vacuum equipment:

  • Corrosion Resistance: Materials like Inconel and titanium provide superior resistance to corrosion, making them ideal for vacuum environments where chemical exposure is a concern.
  • Mechanical Stability: These valves maintain structural integrity under high-pressure and high-temperature conditions, which is essential for reliable vacuum operations.
  • Durability: The use of high-performance metals ensures a longer lifespan and reduced maintenance needs compared to conventional materials.

Limitations

Despite their advantages, exotic metal check valves have certain limitations:

  • Cost: The initial cost of exotic metal valves is significantly higher than standard valves due to the expensive materials used.
  • Availability: These valves may have longer lead times due to the specialized materials and manufacturing processes involved.
  • Complexity: The design and manufacturing of exotic metal valves can be more complex, requiring specialized knowledge and equipment.

Considerations

When selecting exotic metal check valves, several factors should be considered:

  • Initial Costs: The high cost of materials like titanium and nickel alloys can lead to a substantial initial investment.
  • Operating Expense: While the initial costs are high, the durability and reduced maintenance needs can lower long-term operating expenses.
  • Durability and Maintenance: Exotic metal valves offer enhanced durability, reducing the frequency and cost of replacements and maintenance.
  • Accuracy: The precision in manufacturing these valves ensures reliable performance, which is crucial in applications requiring strict flow control.
22 Results
Check Valves -- Class -150,300, 900, 2500, 4500 available
from Curtiss-Wright, Valve Group

Curtis Wright provides a variety of industrial grade check valves that meet the harsh environments suitable for applications such as power and oil, petrochemical, hydrocarbon service, seawater cooling systems, offshore applications. Curtiss-Wright check valves are supplied through their Phonix,... [See More]

  • Material Of Construction: Stainless Steel; Steel; Exotic Metal
  • Valve Size: 0.50 to 24.00
  • Valve Type: BallDisk; Swing; Severe Service
  • Connection Description: BoltFlange; Butt Weld; Socket Weld
Bushing Valve -- BUD (BU-050x0375)
from Check-All Valve Mfg. Co.

The Bushing Valve is a check valve with a standard bushing housing. The valve is adaptable to many types of service applications. It has very little restriction and produces a low pressure drop. It can be used quite effectively in systems where flow and pressure drop are critical by the use of a... [See More]

  • Material Of Construction: Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Alloy 20, Alloy C-276, Titanium
  • Valve Size: 0.50
  • Valve Type: Lift Check; Poppet; Back Flow
  • Connection Description: Threaded; Face Seal (optional feature); 3/8 NPT
Cast Full Port Lift Check Valves -- Pressure Class 150-600
from Cooper Valves

COOPER ® Valves full port lift check valves are an excellent choice for applications where faster closing speeds are required to prevent surges. Cooper lift checks are built with an Inconel X-750 spring for extra strength and corrosion resistance. Cooper lift checks have a low differential... [See More]

  • Material Of Construction: Stainless Steel; Exotic Metal; Nickel Alloy, Monel, Hastelloy, Incoloy, Inconel,Titanium Alloy, Zirconium Alloy
  • Valve Size: 0.50 to 3.00
  • Valve Type: Lift Check; Severe Service
  • Connection Description: Threaded; BoltFlange; Butt Weld; RFF RTJ BW
Check Valve -- C050101
from Pneumadyne, Inc.

Flow controls and Needle valves are used to reduce the rate of flow in a leg of a system, consequently the restriction slows cylinder speed. Finely threaded stems allow gradual adjustment of controlled flow to match system requirements. Although the basic function is flow restriction, the... [See More]

  • Material Of Construction: Brass / Bronze; Stainless Steel; Exotic Metal
  • Valve Size: 0.06
  • Valve Type: Lift Check
  • Connection Description: Tube Fitting; 1/16 Tube Id Barb Input & Output
Butt Weld Check Valve -- B4D (B4-050)
from Check-All Valve Mfg. Co.

The Butt Weld (B4) check valve is a one piece body machined from bar stock, eliminating porosity concerns and providing uniform density for more consistent welds. Made to ASME/ANSI B16.25 for schedule 40 pipe, it carries rugged, dependable Check-All trim with a wide variety of seat materials and... [See More]

  • Material Of Construction: Stainless Steel; Steel; Exotic Metal; Alloy 20,Alloy C-276, Monel, Alloy B
  • Valve Size: 0.50
  • Valve Type: Lift Check; Poppet; Back Flow
  • Connection Description: Butt Weld; Face Seal (optional feature)
Cast Full Port Swing Check Valves -- Pressure Class 150-600
from Cooper Valves

COOPER ® Valves cast check valves have a simple yet reliable design that allows them to perform with low pressure drop and excellent seat tightness. The Cooper cast check valve is also available for cryogenic service with an extended bonnet. Cast check valves larger than 12 ” are available... [See More]

  • Material Of Construction: Stainless Steel; Exotic Metal; Nickel Alloy, Monel, Hastelloy, Incoloy, Inconel,Titanium Alloy, Zirconium Alloy
  • Valve Size: 0.50 to 24.00
  • Valve Type: Swing; Severe Service
  • Connection Description: Threaded; BoltFlange; Butt Weld; Socket Weld; RFF BW RTJ
Check Valve -- C050601
from Pneumadyne, Inc.

Cost effective, space saving solution for the use of single or multiple valves. A wide variety of connector, electrical and mounting options are available to accommodate numerous applications. Convenient Line & 90 ° Connectors (both with LED) provide quick electrical connection when used in... [See More]

  • Material Of Construction: Brass / Bronze; Stainless Steel; Exotic Metal
  • Valve Size: 0.12 to 0.25
  • Valve Type: Lift Check; Poppet
  • Connection Description: Threaded; Tube Fitting; 1/8 NPT (F) Input, 1/4 Push-in Output
Connector Valve -- CND (CON-050)
from Check-All Valve Mfg. Co.

The Connector Valve is a check valve with a hex nipple or connector housing. It is designed to be used in installations where check valves with male pipe threads are required. The Connector Valve is adaptable for use as a check valve, vacuum breaker, or low pressure relief valve. Two valves used in... [See More]

  • Material Of Construction: Aluminum (optional feature); Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Alloy 20, Alloy C-276, Titanium
  • Valve Size: 0.50
  • Valve Type: Lift Check; Poppet; Back Flow
  • Connection Description: Threaded; Face Seal (optional feature); 1/2 NPT
Forged Regular Port Lift Check Valves -- Pressure Class 800-1500
from Cooper Valves

Precise response. Faster closing. Excellent seat tightness. Those are the strong points of COOPER ® Valves forged check valves. [See More]

  • Material Of Construction: Stainless Steel; Exotic Metal; Nickel Alloy, Monel, Hastelloy, Incoloy, Inconel,Titanium Alloy, Zirconium Alloy
  • Valve Size: 0.50 to 2.00
  • Valve Type: Lift Check; Severe Service
  • Connection Description: Threaded; Socket Weld; SE SW TSW
Custom Valves -- CAV
from Check-All Valve Mfg. Co.

The CAV series of valves are not catalog items but rather are custom designed and tailored to meet customer specific connections or valve configurations. If you have a check valve application where our standard catalog items do not quite match what you are looking for, contact our sales department... [See More]

  • Material Of Construction: Aluminum; Brass / Bronze; Stainless Steel (optional feature); Steel (optional feature); Exotic Metal; Titanium, Monel
  • Connection Description: Threaded (optional feature); Compression (optional feature); BoltFlange (optional feature); Clamp Flange (optional feature); Union (optional feature); Tube Fitting (optional feature); Butt Weld (optional feature); Socket Weld (optional feature); Face Seal (optional feature)
  • Valve Type: Cartridge (optional feature); Lift Check; Poppet; Back Flow
  • Media: Hydraulic; Air; Water; Hot Water; Cold Water  ; Potable Water; Salt Water (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Steam; Liquids
Forged Regular Port Swing Check Valves -- Pressure Class 800-1500
from Cooper Valves

Simple. Hard-working. Precise. Proven. COOPER ® Valves forged check valves have a simple yet reliable design that allows them to perform with low pressure drop and excellent seat tightness. [See More]

  • Material Of Construction: Stainless Steel; Exotic Metal; Nickel Alloy, Monel, Hastelloy, Incoloy, Inconel,Titanium Alloy, Zirconium Alloy
  • Valve Size: 0.50 to 2.00
  • Valve Type: Swing; Severe Service
  • Connection Description: Threaded; Socket Weld; SE SW TSW
Flange Insert Valve -- 0.5" FIV
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
Lined Pipe Valve -- LPH (LPI-100)
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
Mini-Check Valve -- MCV-0125
from Check-All Valve Mfg. Co.

The Check-All Mini-Check is a three piece constructed check valve. The valve is designed for minimum pressure drops. The three piece construction permits many combinations of end fittings, which makes the valve adaptable for nearly every application. The Mini-Check is available with 1/8, 1/4, and... [See More]

  • Material Of Construction: Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Titanium
  • Valve Size: 0.12
  • Valve Type: Lift Check; Poppet; Back Flow
  • Connection Description: Threaded (optional feature); Compression (optional feature); Tube Fitting; Face Seal (optional feature); 1/8 Pipe Size
Straight Sided Insert Valve -- SIJ (SSI-050)
from Check-All Valve Mfg. Co.

The Straight Sided Insert is a thread less check valve. designed to be inserted into any cavity where a check valve is needed and threads are not desired. Available Materials: 316 Stainless Steel (SS). Carbon Steel (CS). Alloy 20 (A2). Alloy C-276 (HC). Brass (BR). Alloy B (HB). MONEL ® (MO) [See More]

  • Material Of Construction: Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Alloy 20, Alloy C-276,, Titanium
  • Valve Size: 0.50
  • Valve Type: Lift Check; Poppet; Back Flow
  • Connection Description: Compression; Face Seal (optional feature); 5-23/64" O.D. Flange
Tubing Check Flared Valve -- TFB (TCVF-0250)
from Check-All Valve Mfg. Co.

The Tubing Check Valve-Flared is a three piece constructed valve with 37 º flared ends which conform to J. I. C. and S. A. E. Hydraulic Standards. These valves are designed for maximum flow with minimal pressure drop. Available Materials: 316 Stainless Steel (SS). Brass (BR). Carbon Steel (CS) [See More]

  • Material Of Construction: Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Titanium
  • Valve Size: 0.25
  • Valve Type: Lift Check; Poppet; Back Flow
  • Connection Description: Threaded; Tube Fitting (optional feature); Face Seal (optional feature); 1/4" Tubing Size
Tubing Check Valve -- TVB (TCV-0150)
from Check-All Valve Mfg. Co.

The Tubing Check Valve is a three piece constructed check valve with flareless tube ends. The valve is designed for minimum pressure drops. The valves are furnished complete with ferrules and nuts. Available Materials: 316 Stainless Steel (SS). Brass (BR). Carbon Steel (CS) [See More]

  • Material Of Construction: Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Titanium
  • Valve Size: 0.12
  • Valve Type: Lift Check; Poppet; Back Flow
  • Connection Description: Compression (optional feature); Tube Fitting; Face Seal (optional feature); 1/8" Tubing Size
Union Insert Valve -- UVD (UIV-050)
from Check-All Valve Mfg. Co.

The Union Insert Valve is the threaded pipe counterpart of the Flange Insert Valve. Designed to be inserted into most standard ground joint unions, it provides the simplest and most economical way to install a check valve in a threaded pipe system. A check valve may be installed anywhere in the... [See More]

  • Material Of Construction: Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Alloy 20, Alloy C-276, Titanium
  • Valve Size: 0.50
  • Valve Type: Lift Check; Poppet; Back Flow
  • Connection Description: Union; Face Seal (optional feature); 1/2" Line Size
Universal High Pressure Valve -- U1C ( UN-10-0375)
from Check-All Valve Mfg. Co.

The Universal High Pressure check valve is a one piece body machined from bar stock with female pipe threads. The valve is designed and manufactured for high pressure applications. For applications below 3000 PSIG, view our UN-3 series. Available Materials: 316 Stainless Steel (SS). Alloy B (HB). [See More]

  • Material Of Construction: Aluminum (optional feature); Stainless Steel; Steel; Exotic Metal; Alloy 20, Alloy C-276, Titanium
  • Valve Size: 0.38
  • Valve Type: Lift Check; Poppet; Back Flow
  • Connection Description: Threaded; Face Seal (optional feature); 3/8 NPT
Universal Low Pressure Valve -- U3C (UN-3-0375)
from Check-All Valve Mfg. Co.

The Universal Low Pressure check valve is a one piece body machined from bar stock and is designed for minimum pressure drop. The valve is light, compact, and provides maintenance free dependable service. For applications above 3000 PSIG, view our UN-10 series. For applications where weld joint are... [See More]

  • Material Of Construction: Aluminum (optional feature); Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Alloy 20, Alloy C-276, Titanium
  • Valve Size: 0.38
  • Valve Type: Lift Check; Poppet; Back Flow
  • Connection Description: Threaded; Face Seal (optional feature); 3/8 NPT
Universal Socket Weld -- USC (UN-SW-0375)
from Check-All Valve Mfg. Co.

The Universal Socket Weld check valve is machined from bar stock and designed for a minimum pressure drop. It carries rugged, dependable Check-All trim and there is a wide variety of seat materials and cracking pressures to choose from. This valve series is particularly attractive when weld joints... [See More]

  • Material Of Construction: Stainless Steel; Steel; Exotic Metal; Alloy 20, Alloy C-276, Titanium
  • Valve Size: 0.38
  • Valve Type: Lift Check; Poppet; Back Flow
  • Connection Description: Socket Weld; Face Seal (optional feature); 3/8 Pipe Size
Wafer Check Valve -- WVD (WIV-050)
from Check-All Valve Mfg. Co.

The Wafer Insert (WV) valve is designed to fit between two mating ANSI flanges. Two gaskets are required, instead of the one normally used. The "drop in" valve body fits inside the bolt circle for quick installation and removal in rigid piping applications where the use of the F1, F6, or FP are not... [See More]

  • Material Of Construction: Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Alloy 20, Alloy C-276, Titanium
  • Valve Size: 0.50
  • Valve Type: Lift Check; Poppet; Wafer; Back Flow
  • Connection Description: BoltFlange; Face Seal (optional feature); 1-3/8" O.D. Flange