Flow Safe Relief Valves | CVI Solutions

Pilot Operated Relief Valves

FLOW SAFE manufactures Enhanced Performance pilot-operated relief valves.
Flow Safe was founded with a commitment to value through:

Environmentally compatible products
Cost efficient design, with minimal parts
Quality products that are readily available
Flexibility in meeting unique customer needs
No-hassle service

Both standard and custom valves are available quickly and with always competitive pricing.

In particular, FLOW SAFE’s engineers have taken the state-of-the-art in pilot-operated valves to surprising new capabilities in accuracy of lift and reseat pressure (see tables below).

GAS OR VAPOR SERVICE
Pilot Valve	Pilot . 1stBubble1	Initial Main Valve Lift	Full Main Valve Lift	Main Valve Blowdown	Pilot Valve Reseat Press.3
F100 (Non Code) Modulating Flowing	100% Nameplate set pressure2	103% Nameplate set pressure	105% Nameplate set pressure	0%	97% Nameplate set pressure
F100 (Code) Modulating Flowing	97% Nameplate set pressure4	100% Nameplate set pressure	103% Nameplate set pressure	0%	95% Nameplate set pressure
F200 Snap-acting Non-flowing	100% Nameplate set pressure4	100% Nameplate set pressure	100% Nameplate set pressure	Adjustable (5 . 20%)	Per blowdown setting
F300 Modulating Flowing	98% Nameplate set pressure4	100% Nameplate set pressure	103% Nameplate set pressure	0%	97% Nameplate set pressure
F500 Modulating Non-flowing	98% Nameplate set pressure4, 6	100% Nameplate set pressure	100% Nameplate set pressure	0%	97% Nameplate set pressure
LIQUID SERVICE
Pilot Valve	Pilot . 1stFlow	Initial Main Valve Lift	Full Main Valve Lift	Main Valve Blowdown	Pilot Valve Reseat Press.3
F100 Modulating Flowing	97% Nameplate set pressure5	100% Nameplate set pressure	107% Nameplate set pressure	0%	95% Nameplate set pressure
F300 Modulating Flowing	98% Nameplate set pressure5	100% Nameplate set pressure	105% Nameplate set pressure	0%	98% Nameplate set pressure
F500 Modulating Non-flowing	98% Nameplate set pressure5, 6	100% Nameplate set pressure	100% Nameplate set pressure	0%	98% Nameplate set pressure

F7000/8000 Pilot Operated Safety Relief Valves
ASME Code POSRV's with carbon steel & stainless construction, snap & modulating action pilots. The F8000 includes an annular flow plug to optimize the valve's flow capacity for the particular service conditions. Other design features include:

low profiles,
inline repairability,
minimal connections,|
back flow preventer and
field test connection as standard.

Made in accordance with ASME Section VIII or "CE" mark. Design provides for easy convertability of orifice sizes, field adjustable.

Connections: 1" to 12" inlet
Set Pressures: 15 to 6000 psig (ANSI 2500)
Temperature Range: -423 to 525°F

F7000/8000 IM Construction Pilot Operated Safety Relief Valves
Flow Safe, Inc. is proud to introduce the F7000/8000 Series of Pilot Operated Safety Relief Valves, with Integral Module (IM) Construction. This new series provides the latest in relief valve safety, reliability, and streamlined design, featuring the first direct mount pilot valve with integral porting. As shown on the right, no tubing is required to activate the valve and relieve the system pressure. Finally, a tubeless Pilot Operated Safety relief valve!

Connections: 1" to 3" Flanged
Set Pressures: 1440 to 6000 psig (ANSI 900 - 2500)
Temperature Range: -423 to +525°F

F70PR Pilot Operated Pressure Relief Valves
Pilot operated pressure relief valves with aluminum or carbon steel construction, modulating-action pilots. A variety of soft seat materials (Buna-N, Viton, etc.) are available. Ideal for natural gas regulator and meter protection, and positive displacement blower protection. Inline repairable. This product provides high capacity flow rates. Made for DOT / gas transmission applications (non-Code).

FLOWSAFE customers buy smaller valves, save money!

Connections: 1.5"-12" inlet, flanged (1.5" FNPT)
Set Pressures: 10"wc to 285 psig (ANSI 150)
Temperature Range: -65 to +400°F

Pilot exhuast to M.V. outlet standard.