Circle Seal Products
1/2" MNPT X 1/2" FNPT Inline Relief Valve, 316SS/Ethylene-Propylene construction, cracking pressures between 150 to 450 psig
200-Series
200-Series Check Valve, constructed in 303SS with PTFE* seals, rated up to 3000 psig
This product has multiple variants. The options may be chosen on the product page 200-Series
200-Series Check Valve, constructed in 316SS with PTFE* seals, rated up to 3000 psig
This product has multiple variants. The options may be chosen on the product page
5100-Series
Popoff Relief Valve, 1/8" to 1-1/4" MNPT connection, constructed in 303SS with Polished PTFE seal, cracking pressures between 20 to 2400 psig
This product has multiple variants. The options may be chosen on the product page
5100-Series
Inline Relief Valve, 1/8" to 1-1/4" MNPT x FNPT connections, constructed in 303SS with Polished PTFE seals, cracking pressures between 20 to 2400 psig
This product has multiple variants. The options may be chosen on the product page 5100-Series
Popoff Relief Valve, 1/8" to 1-1/4" MNPT connection, constructed in 316SS with Polished PTFE seal, cracking pressures between 20 to 2400 psig
This product has multiple variants. The options may be chosen on the product page 5100-Series
Inline Relief Valve, 1/8" to 1-1/4" MNPT x FNPT connections, constructed in 316SS with Polished PTFE seals, cracking pressures between 20 to 2400 psig
This product has multiple variants. The options may be chosen on the product page
500-Series
Popoff Relief Valve, 1/8" to 1" MNPT connections, constructed in 316SS with Polished PTFE seal, cracking pressures between 0.5 to 150 psig
This product has multiple variants. The options may be chosen on the product page
500-Series
Inline Relief Valve, 1/4" to 1-1/4" MNPT x FNPT connections, constructed in 316SS with Polished PTFE seal, cracking pressures between 0.5 to 150 psig
This product has multiple variants. The options may be chosen on the product page 500-Series
Popoff with Deflector Cap Relief Valve, 1/8" to 1" MNPT connections, constructed in 316SS with Polished PTFE seal, cracking pressures between 0.5 to 150 psig
This product has multiple variants. The options may be chosen on the product page
5300-Series
1/4" FNPT Inline Relief Valve, Brass/Viton construction, cracking pressures between 420 to 10,500 psig
5300-Series
1/2" FNPT Inline Relief Valve, Brass/Viton construction, cracking pressures between 400 to 10,500 psig