Our FLOW SAFE product line includes spring-operated and pilot-operated high-performance pressure relief valves, manufactured in the U.S.A., to meet the following standards and guidelines:
ASME section XIII “UV” Stamped, National Board Certified
PED “CE” or PER “UKCA” marks available
DOT, API, KGS available
Marine IGC available
ISO 9001:2015 certified facilities
Canadian CRN Approval (all provinces/territories)
Enhanced performance conventional style SRVs. Made in accordance with ASME Section XIII. “CE” or “UKCA” marks are available.
The Flow Safe F84 Micro HP is an extension of coverage of the best-in-class F84M valve, expanding the high end of the set pressure range from 9,944 to 15,000 psig (-1 and -2 orifices).
Enhanced performance conventional style SRVs. Made in accordance with ASME Section XIII. “CE” or “UKCA” marks are available. Available in brass, carbon, and stainless steel materials as standard. Special alloy construction available upon request. A variety of seat materials and connection styles are available. F80M series small orifice devices are ideal for instrumentation panels, line blocks on cryogenic storage tanks, or thermal relief applications.
Connection Sizes | 1” x 2” – 12” x 16” |
Set Pressure Ranges | 15 – 6,000 psig |
Temperature Ranges | -423 to 525°F |
Orifice Area Range | .134 – 111.87 in2 |
End Connections | Standard: Specials: |
Materials of Construction | Carbon Steel, Stainless Steel, Monel, Inconel, |
Seat Materials Custom available for service or on request | F7040/F8040 Material (Plastic): F7050/F8050 Material (Elastomer): |
Enhanced performance conventional style SRVs. Made in accordance with ASME Section XIII. “CE” or “UKCA” marks are available. Available in brass, carbon, and stainless steel materials as standard. Special alloy construction available upon request. A variety of seat materials and connection styles are available. F80M series small orifice devices are ideal for instrumentation panels, line blocks on cryogenic storage tanks, or thermal relief applications.
The Flow Safe F84 Micro HP is an extension of coverage of the best-in-class F84M valve, expanding the high end of the set pressure range from 9,944 to 15,000 psig (-1 and -2 orifices). The Flow Safe F84M HP, sourced, built, and extensively tested domestically, offers a smaller profile and footprint and provides a soft seat technology that optimizes cost savings.
| Connection Sizes Larger sizes available on request | ¼” x ½” – 2” x 3” (6mm x 13mm – 50mm x 75 mm) |
| Set Pressure Ranges See F80 Catalog for orifice specific ratings | 15 – 15,000 psig (1.03 – 1,034 barg) |
| Temperature Ranges | -423 to 525°F (-252 to 274°C) |
| Orifice Area Range | .003 – 1.689 in2 (1.9 – 1089 mm2) |
| End Connections Custom types available on request | Threaded: NPT, SAE, MS33649/AS5202, AN 37° Flare Welded: ASME / DIN / API / SAE flanged, Grayloc Specialty: Swagelok® Tube / VCR, Threaded & Coned |
| Materials of Construction Custom available for service or on request | Carbon Steel, Stainless Steel, Brass, Monel, Hastelloy C / C22 / C276, Duplex 22% or 25% Cr |
| Seat Materials Custom available for service or on request |
Enhanced performance conventional style SRVs. Made in accordance with ASME Section XIII. “CE” or “UKCA” marks are available. Available in brass, carbon, and stainless steel materials as standard. Special alloy construction available upon request. A variety of seat materials and connection styles are available. F80M series small orifice devices are ideal for instrumentation panels, line blocks on cryogenic storage tanks, or thermal relief applications.
| Connection Sizes Larger sizes available on request | ¼” x ½” – 2” x 3” (6mm x 13mm – 50mm x 75 mm) |
| Set Pressure Ranges See F80 Catalog for orifice-specific ratings | 15 – 10,313 psig (1.03 – 711 barg) |
| Temperature Ranges | -65 to 525°F (-54 to 274°C) |
| Orifice Area Range | .003 – 1.689 in2 (1.9 – 1089 mm2) |
| End Connections Custom types available on request | Threaded: NPT, SAE, MS33649/AS5202, AN 37° Flare Welded: ASME / DIN / API / SAE flanged, Grayloc Specialty: Swagelok® Tube / VCR, Threaded & Coned |
| Materials of Construction Custom available for service or on request | Carbon Steel, Stainless Steel, Brass, Monel, Hastelloy C / C22 / C276, Duplex 22% or 25% Cr |
| Seat Materials Custom available for service or on request | Elastomer: Buna-N, Viton® (FKM) or equal, EPR/EPDM, Aflas, FFKM (Chemraz®, Kalrez®, etc), Polyurethane, HNBR |