Check Valve -- F-2804-400
from Air Logic

The Check Valves permit flow in one direction only; the operation of the check valve is based on the movement of a small disc within the housing. The disc shifts within the housing as the pressure differential changes from forward to reverse. A flat surface on one side of the disc seals off flow,... [See More]

  • Material Of Construction: Polypropylene
  • Valve Size: 0.06 to 0.12
  • Valve Type: Wafer
  • Connection Description: 1/16" Straight Ports
Barb to Barb Enlarging Disc Check Valve -- AP19CV012R18VP
from Ark-PlasĀ® Products, Inc.

All Ark-Plas ® Check Valve barbs are molded without a parting line. This means that every sealing surface on each barb is seamless all the way around, eliminating flash, or mold mismatch. Coupled with our high-quality manufacturing processes, a barb without a parting line helps to ensure a... [See More]

  • Material Of Construction: Polypropylene
  • Valve Size: 0.12 to 0.19
  • Valve Type: BallDisk
  • Connection Description: TubeFitting; Barbed Fitting
Single Union Ball Check -- 12**005
from Asahi/America, Inc.

Check valves are used to prevent the reversal of flow in a line. When open and under flow pressure, the checking mechanism will move freely in the media, offering very little resistance and minimal pressure drop. We offer two basic types of check valves: swing check valves and ball check valves. A... [See More]

  • Material Of Construction: PVC (optional feature); CPVC (optional feature); Polypropylene (optional feature); PVDF (optional feature)
  • Valve Size: 0.50
  • Valve Type: BallDisk; Foot Valve (optional feature)
  • Connection Description: Threaded (optional feature); BoltFlange (optional feature); ButtWeld (optional feature); SocketWeld (optional feature)
Bel-Art PP Check Valve, 1/4" to 3/8" hose barb, 6/bag -- EW-06304-20
from Cole-Parmer

Ideal for low-pressure applications. Choose from economical LDPE with neoprene disc; autoclavable PP with neoprene disc; or autoclavable PP with Hastelloy C ® springs, O-rings made of Viton ®, and built-in 149- µm screen —available in check valves or foot valves. Discounts: 10%... [See More]

  • Material Of Construction: Polypropylene
  • Media Temperature: ? to 250
  • Maximum Pressure: 20.00
Check Valve Type 561-562
from GF Piping Systems

The check valve types 561 and 562 ring in a new generation of valves, featuring more safety, simplicity and efficiency. Our engineers focused primarily on two areas in the development of the new check valves: How can we make an established product type even more reliable? And how can we reduce the... [See More]

  • Material Of Construction: PROGEF® Standard Polypropylene, SYGEF® PVDF; PVC; CPVC; Polypropylene; PVDF
  • Valve Size: 0.38 to 4.00
  • Valve Type: BallDisk
  • Connection Description: Threaded; SocketWeld
Ball Check Valve,1 In,Socket Fusion,Poly -- 3PFW2 [1 BC from Watts]
from Grainger Industrial Supply

Ball Check Valves, Material of Construction Polypropylene, 1 In, Socket Fusion Connection, Rated For 150 PSI At 73 Deg F [See More]

  • Material Of Construction: Polypropylene
  • Connection Description: SocketWeld; Socket Fusion
Manual Check Swing Valves -- SW Series
from Hayward Flow Control

SW Series swing check valves are offered in PVC, Corzan CPVC and PP. Seals and seats are FPM or EPDM. A counterweight is an option for added stability. Swing check valves are furnished with two o-ring flange seals so no additional gaskets are required for installation. All valves are assembled with... [See More]

  • Material Of Construction: Corzan; PVC; CPVC; Polypropylene
  • Valve Size: 3.00 to 8.00
  • Valve Type: Swing
  • Connection Description: BoltFlange
Series CKD Compact Diaphragm Check Valve -- CKD025EP-PP
from Plast-O-Matic Valves, Inc.

OPERATION: The "CKD" Check Valves utilize a flexible elastomer disc for their sealing action. This sensitive disc offers very low pressure sealing. In addition, the disc requires extremely minimal pressure to move to the open position. Since these sealing discs are self-centering, they seal in the... [See More]

  • Material Of Construction: Polypropylene
  • Connection Description: Threaded; 1/4" NPT
  • Valve Size: 0.25
  • Maximum Pressure: 125.00
Banjo® Polypropylene Check Valves -- 30976
from U.S. Plastic Corporation

These polypropylene check valves have a one piece construction. Valves are rated to 150 PSI maximum. They have a 1-2 PSI spring. Polypropylene is glass filled and the gasket materials is EPDM. Spring is made of 316 stainless steel. [See More]

  • Material Of Construction: Polypropylene
  • Valve Size: 1.00
BC Series -- BCB005B
from Chemline Plastics Limited

Slip out union ends, easy disassembly, free floating ball [See More]

  • Material Of Construction: Polypropylene
  • Valve Size: 1.90
  • Valve Type: BallDisk
  • Connection Description: ButtWeld; 1/2" Butt
Bel-Art LDPE Check Valve -- hc-22-237-552
from Fisher Scientific

Check Valve. Autoclavable Polypropylene Check Valve, Bel-Art, 5/16 to 1/4 in. 10psi -14 to +76 °F -26 to +25 °C Check Valve Ideal for low-pressure [See More]

  • Material Of Construction: Polypropylene
Barb x Barb (CV)
from Industrial Specialties Mfg., Inc.

Used to control flow in the lines of vacuum or pressure [See More]

  • Material Of Construction: Kynar; Nylon (optional feature); Polypropylene (optional feature)
  • Connection Description: TubeFitting
  • Valve Size: 0.19 to 0.38
  • Media: Air; CompressedAir
Barb/Barb Check Valves -- 503
from Smart Products, Incorporated

Miniature size, interchangeable ends [See More]

  • Material Of Construction: Polypropylene (optional feature)
  • Valve Size: 0.06
  • Valve Type: BallDisk
  • Connection Description: TubeFitting; 1/16" Barbed