A Wide Selection of Check Valves For Aerospace/Military Applications

	100 Series 200/HP200 Series C200 Series C2900 Series 2100/2800 Series 2300 Series 2600 Series 800 Series 8800/8500 Series P-858 Series 400 Series Shuttle Valves
For more check valves, please visit our non-aerospace and U.S. Para Plate sites.

100 Series Check Valves

	Valve Sizes 1/8″ to 3/4″ Cracking Pressure 4″ H₂O Max. Connections Female Pipe Body Materials Aluminum Brass 303 Stainless Steel Operating Range 0 to 25 PSIG O-Ring Materials Buna N Viton®
Features Low Pressure Ultra-Sensitive Positive Sealing Zero Leakage View the Catalog (PDF: 122 KB)

200/HP200 Series Check Valves

	Valve Sizes 1/8″ to 2″ Operating Ranges 200 = 0 to 3,000 PSIG HP200 = 0 to 6,000 PSIG Cracking Pressure .1 to 8 PSI Body Materials 2024-T351 & 6061-T6 Aluminum Brass 303 & 316 Stainless Steel Connections Female & Male Pipe U.S. & British Female & Male Tube AN & MS Instrument Fittings O-Ring Materials Buna N EPR Neoprene Silicone Teflon® Viton®
Features Low Cracking Pressure Large Flow Capacity Zero Leakage View the Catalog (PDF: 485 KB)

C200 Series Cartridge Check Valves

	Valve Sizes 3/4″ to 1-3/4″ Operating Ranges 0 to 5,000 PSIG Cracking Pressure .5 to 8 PSI Body Materials 2024 & 6061 Aluminum Carbon Steel 303 & 316 Stainless Steel Connections Cartridge Style O-Ring Materials Buna N EPR Neoprene Silicone Teflon® Viton®
Features Quick Opening/Positive Closing Zero Leakage at Any Differential Pressure View the Catalog (PDF: 127 KB)

C2900 Series Cartridge Check Valves

	Body Construction Materials Brass Carbon steel 303 or 316 stainless steel O-ring Materials Buna N Ethylene propylene Viton® Operating Pressure 0 to 3000 psig (207 bar) Cracking Pressure 0.15 to 15 psig (0.01 to 1 bar) Temperature Range −65° F to +300° F (−54° C to +149° C)
Features Compact & easily installed Curved poppet face Zero leakage—“bubble-tight” in check direction View the Catalog (PDF: 117 KB)

2100/2800 Series Check Valves

	Connections Male Tube O-Ring Materials Buna N Neoprene Silicone Teflon® Viton® Body Materials 2024-T4/T351 Aluminum 302 Stainless Steel Valve Sizes 2100 Series = 3/16″ to 1/2″ 2800 Series = 1/4″ to 1″ Operating Ranges 0 to 3,000 PSIG Proof Pressure 1.5× Operating Pressure Burst Pressure 2.5 to 4× Operating Pressure
Features Zero Leakage 2100 Series Meets Package Requirements of MS28888 & Functional Requirements of MIL-V-8628. Designed for Pneumatic Service 2800 Series Meets Package Requirements of AN6249. Withstands System Shocks View the Catalog (PDF: 145 KB)

2300 Series Check Valves

Circle Seal Controls 2300 Series Check Valve

Valve Sizes: 1/8″ to 3/4″ & 1″ Male Only
Operating Ranges: Aluminum/Brass = 0 to 5,000 PSIG; 303 Stainless Steel = 0 to 7,500 PSIG; 17-4 PH St. Steel = 0 to 10,000 PSIG
Body Materials: Aluminum; Brass; 17-4 Stainless Steel
Connections: Female Pipe; Male Pipe; Male/Female Pipe; Female Tube
Cracking Pressure: .5 to 5 PSI
O-Ring Materials: Buna N; EPR; Neoprene; Teflon®; Viton®

Features

Less Susceptible to Contamination Damage
Zero Leakage at Normal Back Pressure

View the Catalog (PDF: 170 KB)

2600 Series Check Valves

	Valve Sizes 1/4″ to 1″ Operating Ranges 0 to 600 PSIG Cracking Pressure 2″ H₂O Min. to 56″ H₂O Max. Body Materials Aluminum 303 Stainless Steel Connections MS33656, Flared Tube MS33514, Flareless Tube O-Ring Materials Buna N Neoprene Silicone Viton®
Features Zero Leakage 2600 Series Meets Package Requirements of MS24423 & Functional Requirements of MIL-V-25675 (2620T Series) Quick Opening, Positive Closing Maintenance-free Dependability View the Catalog (PDF: 128 KB / 2 pages)

400 Series Shuttle Valves

	Valve Sizes 1/4″ Operating Ranges 0 to 3,000 PSIG Proof Pressure 4,500 PSI Burst Pressure (Min.) Over 9,000 PSI Body Materials 2024-T351 & 6061-T6 Aluminum Brass 303 & 316 Stainless Steel Connections Female Pipe Female Tube Male Pipe Male Tube O-Ring Materials Buna N Neoprene
Features Quick, Positive Shuttling Dead-tight Sealing Self-cleaning Operation View the Catalog (PDF: 149 KB)

800 Series Low Pressure Check Valves

Valve Sizes: 3/16″ to 1-1/2″
Operating Ranges: Hose Connections = 0 to 200 PSI; Tube Connections = 0 to 600 PSI
Cracking Pressure: 8″ H₂O Max. Std.
Connections: Male Tube; Female Tube; AN & MS; Hose
Body Materials: 2024-T4/T351 Aluminum; 6061-T6/T651 Aluminum; 303 Stainless Steel
O-Ring Materials: Buna N; Neoprene; Silicone; Teflon®; Viton®

Features

Dead-Tight Sealing at Any Pressure
Low Cracking Pressure
100% Reliability

View the brochure (PDF: 196 KB)

8500/8800 Series Low Pressure Check Valves

	Valve Sizes 1/4″ to 1-1/2″ Operating Ranges 0 to 600 PSI Cracking Pressure To 168″ H₂O Body Materials 2024-T4/T351 Aluminum 303 Stainless Steel Connections Male Tube Female Tube Hose O-Ring Materials EPR Teflon® Viton®
Features For Extreme Temperature Use Dead-Tight Sealing at Any Pressure Low Cracking Pressure 100% Reliability View the brochure (PDF: 416 KB)

P-858 Series High Pressure Check Valves

	Valve Sizes 3/16″ to 1/2″ Tube Body Materials 17-4PH Stainless Steel Operating Ranges 0 to 8,000 PSI Proof Pressure 12,000 PSI Cracking Pressure 2 to 8 PSI Connections: Male & Female Tube Burst Pressure: 16,000 PSI
Features High Pressure Absolute Leakproof Sealing Maintenance-Free Operation Metal to Metal Seat Design View the brochure (PDF: 416 KB)

Teflon® is a registered trademark of DuPont and Viton® is registered trademark of DuPont Dow Elastomers.