Entegris, Inc.
Entegris, Inc.
129 Concord Road, Billerica, MA 01821 USA
T +1 978 436 6500
F: +1 978 436 6735
Website: www.entegris.com
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CR4 Series valves are the smallest, all-PFA valves available for high-purity chemical handling in line sizes 3/8” and smaller.
  • Small footprint preserves valuable space on OEM equipment
  • Valve diaphragms successfully tested to over 2.1 million cycles for increased reliability
  • A variety of connections including PrimeLock®, PrimeLock “SpaceSaver”, Flaretek®, Flaretek “SpaceSaver”, PureBond®, FNPT and Super 300 Type Pillar® fitting
  • Stand alone mounting base enables valve installation and removal without tools
  • Optional safety lock out device safeguards against accidental altering or tampering
2-Way Multi-Turn
Unit of Measure
1 2 

Item #

Port Connection

Flow Factor Cv

Flow Factor Kv

A

B

CR4-2M-6SO-6 N/A 3/8'' Flaretek® Flared Tube ''SpaceSaver'' Outlet N/A 0.84 N/A 12 N/A 3.50 in N/A 0.51 in
CR4-2M-6SO-II N/A 3/8'' Flaretek® Flared Tube ''SpaceSaver'' Outlet N/A 0.84 N/A 12 N/A 3.50 in N/A 0.51 in
CR4-2M-6PS3-N N/A 3/8'' Pillar® S300 N/A 0.84 N/A 12 N/A 2.88 in N/A 0.51 in
CR4-2M-4K N/A 1/4" Primelock N/A 0.34 N/A 4.9 N/A 3.18 in N/A 0.51 in
CR4-2M-4KV N/A 1/4" Primelock x 1/4" Primelock "SpaceSaver" (outlet) N/A 0.34 N/A 4.9 N/A 3.18 in N/A 0.51 in
CR4-2M-4VK N/A 1/4" Primelock x 1/4" Primelock "SpaceSaver" (inlet) N/A 0.34 N/A 4.9 N/A 3.18 in N/A 0.51 in
CR4-2M-4VV N/A 1/4" Primelock "SpaceSaver" N/A 0.34 N/A 4.9 N/A 3.18 in N/A 0.51 in
CR4-2M-6K N/A 3/8" Primelock N/A 0.84 N/A 12 N/A 3.18 in N/A 0.61 in
CR4-2M-6KV N/A 3/8" Primelock x 3/8" Primelock "SpaceSaver" (outlet) N/A 0.84 N/A 12 N/A 3.18 in N/A 0.61 in
CR4-2M-6VK N/A 3/8" Primelock x 3/8" Primelock "SpaceSaver" (inlet) N/A 0.84 N/A 12 N/A 3.18 in N/A 0.61 in
CR4-2M-6VV N/A 3/8" Primelock "SpaceSaver" N/A 0.84 N/A 12 N/A 3.18 in N/A 0.61 in
Unit of Measure
1 2