Circle Valve Technologies Inc.
1533 Gehman Road
Harleysville, PA 19438

Toll Free:800-645-6733
Phone: 267-933-6300
Fax: 267-933-6305
Email: [email protected]
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Features
  • Popoff or inline valves
  • Adjustable crack pressure
  • Zero leakage
  • Accurate set pressure
  • Tamper-proof adjustment
  • 100% seat leakage tested
  • PED certifications and CE marking available for most models
Circle Seal Relief Valve 500 Series Popoff
Unit of Measure
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Item #

Variation

Body Material

Seal Material

Valve Size

End Connection

Cracking Pressure

Operating Temperature

532T1-4M-50 N/A Popoff N/A 316 Stainless Steel N/A Viton®
N/A 1/2 in N/A Pipe Thread Male N/A 50 psig N/A -20 to 400 ºF
532T1-4MP-1 N/A Inline N/A 316 Stainless Steel N/A Viton®
N/A 1/2 in N/A Pipe Thread Male/Female N/A 1 psig N/A -20 to 400 ºF
532T1-4MP-10 N/A Inline N/A 316 Stainless Steel N/A Viton®
N/A 1/2 in N/A Pipe Thread Male/Female N/A 10 psig N/A -20 to 400 ºF
532T1-4MP-100 N/A Inline N/A 316 Stainless Steel N/A Viton®
N/A 1/2 in N/A Pipe Thread Male/Female N/A 100 psig N/A -20 to 400 ºF
532T1-4MP-20 N/A Inline N/A 316 Stainless Steel N/A Viton®
N/A 1/2 in N/A Pipe Thread Male/Female N/A 20 psig N/A -20 to 400 ºF
532T1-4MP-3 N/A Inline N/A 316 Stainless Steel N/A Viton®
N/A 1/2 in N/A Pipe Thread Male/Female N/A 3 psig N/A -20 to 400 ºF
532T1-4MP-7 N/A Inline N/A 316 Stainless Steel N/A Viton®
N/A 1/2 in N/A Pipe Thread Male/Female N/A 7 psig N/A -20 to 400 ºF
532T1-6M-10 N/A Popoff N/A 316 Stainless Steel N/A Viton®
N/A 3/4 in N/A Pipe Thread Male N/A 10 psig N/A -20 to 400 ºF
532T1-6MP-10 N/A Inline N/A 316 Stainless Steel N/A Viton®
N/A 3/4 in N/A Pipe Thread Male/Female N/A 10 psig N/A -20 to 400 ºF
532T1-6MP-150 N/A Inline N/A 316 Stainless Steel N/A Viton®
N/A 3/4 in N/A Pipe Thread Male/Female N/A 150 psig N/A -20 to 400 ºF
532T1-8MP-5 N/A Inline N/A 316 Stainless Steel N/A Viton®
N/A 1 in N/A Pipe Thread Male/Female N/A 5 psig N/A -20 to 400 ºF
533B-2M-4.5 N/A Popoff N/A Brass N/A Neoprene N/A 1/4 in N/A Pipe Thread Male N/A 4.5 psig N/A -40 to 300 ºF
533B-2M-80 N/A Popoff N/A Brass N/A Neoprene N/A 1/4 in N/A Pipe Thread Male N/A 80 psig N/A -40 to 300 ºF
533B-3M-10 N/A Popoff N/A Brass N/A Neoprene N/A 3/8 in N/A Pipe Thread Male N/A 10 psig N/A -40 to 300 ºF
533B-4M-0.5 N/A Popoff N/A Brass N/A Neoprene N/A 1/2 in N/A Pipe Thread Male N/A 0.5 psig N/A -40 to 300 ºF
533T1-2M-100 N/A Popoff N/A 316 Stainless Steel N/A Neoprene N/A 1/4 in N/A Pipe Thread Male N/A 100 psig N/A -40 to 300 ºF
533T1-2M-25 N/A Popoff N/A 316 Stainless Steel N/A Neoprene N/A 1/4 in N/A Pipe Thread Male N/A 25 psig N/A -40 to 300 ºF
533T1-2M-60 N/A Popoff N/A 316 Stainless Steel N/A Neoprene N/A 1/4 in N/A Pipe Thread Male N/A 60 psig N/A -40 to 300 ºF
533T1-2MP-25 N/A Inline N/A 316 Stainless Steel N/A Neoprene N/A 1/4 in N/A Pipe Thread Male/Female N/A 25 psig N/A -40 to 300 ºF
533T1-2MP-60 N/A Inline N/A 316 Stainless Steel N/A Neoprene N/A 1/4 in N/A Pipe Thread Male/Female N/A 60 psig N/A -40 to 300 ºF
559B-1M-0.5 N/A Popoff N/A Brass N/A Buna N N/A 1/8 in N/A Pipe Thread Male N/A 0.5 psig N/A -65 to 275 ºF
559B-1M-1 N/A Popoff N/A Brass N/A Buna N N/A 1/8 in N/A Pipe Thread Male N/A 1 psig N/A -65 to 275 ºF
559B-1M-10 N/A Popoff N/A Brass N/A Buna N N/A 1/8 in N/A Pipe Thread Male N/A 10 psig N/A -65 to 275 ºF
559B-1M-100 N/A Popoff N/A Brass N/A Buna N N/A 1/8 in N/A Pipe Thread Male N/A 100 psig N/A -65 to 275 ºF
559B-1M-11 N/A Popoff N/A Brass N/A Buna N N/A 1/8 in N/A Pipe Thread Male N/A 11 psig N/A -65 to 275 ºF
Unit of Measure
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