Relief Valves

PFC provides both inline and pop-off relief valves for the aerospace industry with focus on rocket requirements. Inline relief valves are available from 1/4" to 3/4" line sizes with cracking pressures up to 6000 psi. Both styles of relief valve are available in ambient and cryogenic models.

Pop Off Relief Valves

PFC pop off relief valves are available for both cryogenic and ambient applications. A variety of cracking pressures is available.

Specifications:

Model	7011	7013

Line Size	1/4"	1/4"
End Connections	AS4320	AS4320
Operating Pressures	Vacuum to 200 psig	Vacuum to 200 psig
Cracking Pressure	10 psi max	10 to 11 psig
Operating Temperatures	-15ºF to +400ºF	-320ºF to +400ºF

Inline Relief Valves

PFC in line relief valves are available in 1/4" and 3/4" line sizes. These valves may be supplied in both ambient and cryogenic versions. Multiple cracking pressures are available.

Specifications:

Model	7016	10030	13022

Line Size	1/4"	1/4"	3/4"
End Connections	AS4320	AS4320	AS4320
Operating Pressures	2400 psig max	2300 psig max	0 to 400 psig max
Cracking Pressures	130 or 250 or 915 psig ±5%	100 psig ±5%	200 psig ±5%
Operating Temperatures	-15ºF to +400ºF	-320ºF to +100ºF	-15ºF to +250ºF