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  2. Valves
  3. Check Valves
  4. Check valve COA series (Flow Joint Co., Ltd.)
Check valve COA series-COA-FNS4-
Check valve COA series-Flow Joint Co., Ltd.

Check valve COA series
Flow Joint Co., Ltd.

Flow Joint Co., Ltd.'s Response Status

Response Rate

100.0%

Response Time

31.6hours

Relatively Fast Response

About This Product

Features

■CV series

- Resilient O-ring design for leak-free sealing ・Maximum working pressure: 21Mpa ・Using temperature: -23℃～190℃ ・Cracking pressure: 0.003 (1/3) ~0.175Mpa -Various end connections and materials available ・Cracking pressure does not need to be adjusted and can be installed in any direction

■CO series

・Compact design, integrated body ・Maximum working pressure: 21Mpa ・Using temperature: -23℃～190℃ ・Cracking pressure: 0.003 (1/3) ~0.175Mpa -Various end connections and materials available ・Cracking pressure does not need to be adjusted and can be installed in any direction

■COA Series

・Compact design, integrated body ・Maximum working pressure: 21Mpa ・Using temperature: -23℃～190℃ ・Cracking pressure: 0.021~4.2Mpa -Various end connections and materials available ・Various springs available ・Cracking pressure does not need to be adjusted and can be installed in any direction

■CH series

・The seat ring is continuously cleaned by media to prevent secondary contamination. ・Maximum working pressure: 42Mpa ・Using temperature: -23℃～204℃ ・Cracking pressure: 0.003 (1/3) ~0.175Mpa -Various end connections and materials available ・Cracking pressure does not need to be adjusted and can be installed in any direction ・ECE R110 type certified valve can be used for CNG/NGV applications

■CA series

・Maximum working pressure: 21Mpa ・Using temperature: -23℃～190℃ ・Cracking pressure: 0.021~4.2Mpa -Various end connections and materials available ・Various springs available ・Cracking pressure does not need to be adjusted and can be installed in any direction

■CL series

・Maximum working pressure: 42Mpa ・Using temperature: -53℃～482℃ ・All made of sturdy stainless steel ・Union bonnet design, horizontal installation with bonnet nut on top ・Reverse flow coefficient is less than 0.1% of forward flow coefficient

■Cracking pressure and resealing pressure

- Cracking pressure - the upstream pressure at which flow first occurs. -Reseal pressure - pressure with no sign of flow. ・Reverse pressure - Differential pressure between the primary and secondary sides.

  • Product

    Check valve COA series

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1 Models of Check valve COA series

Image Part Number Price (excluding tax) Component parts Material grade/ASTM standard 2 (brass) Material grade/ASTM standard 2 (316 stainless steel) Material grade/ASTM standard 1 (brass) Material grade/ASTM standard 1 (316 stainless steel) Connection shape and size (secondary side) Connection shape and size (primary side) CV B dimension inch (mm) A dimension inch (mm)
Check valve COA series-Part Number-COA-FNS4-

COA-FNS4-

Available upon quote

·body
・Insert lock screw
·insert
・O-ring
・Poppet
・Spring
・Adjustment screw
・Lock screw

・Poppet: Brass C36000/B16
・Spring: 302 stainless steel/A313
・Adjustment screw: 316 stainless steel/A479
・Lock screw: 316 stainless steel/A479

・Poppet: 316 stainless steel/A479
・Spring: 302 stainless steel/A313
・Adjustment screw: 316 stainless steel/A479
・Lock screw: 316 stainless steel/A479

・Body: Brass C36000/B16
・Insert lock screw: Brass C36000/B16
・Insert: Brass C36000/B16
・O-ring: Buna N

・Body: 316 stainless steel/A479
・Insert lock screw: 316 stainless steel/A479
・Insert: 316 stainless steel/A479
・O-ring: Fluorocarbon FKM

NPT1/4 female thread

NPT1/4 female thread

0.35

3/4 (19.1)

2.98 (75.7)

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About Company Handling This Product

Flow Joint Co., Ltd.

Response Rate

100.0%

Response Time

31.6hrs

  • Japan

Related search keywords

Check Valves
Check Valves　Flow Joint Co., Ltd.
Flow Joint Co., Ltd.

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