Features
Service Envelope
Connection SizesLarger sizes available on request |
¼” x ½” – 2” x 3” (6mm x 13mm – 50mm x 75 mm) |
Set Pressure RangesSee F80 Catalog for orifice specific ratings |
15 – 9,944 psig (1.03 - 685 barg) |
Temperature Ranges |
-423 to 525°F (-252 to 274°C) |
Orifice Area Range |
.003 – 1.689 in2 (1.9 – 1089 mm2) |
End ConnectionsCustom 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 ConstructionCustom available for service or on request |
Carbon Steel, Stainless Steel, Brass, Monel, Hastelloy C / C22 / C276, Duplex 22% or 25% Cr |
Seat MaterialsCustom available for service or on request |
Plastic: Teflon®, Ekonol-filled PTFE, Kel-F (PCTFE), PI/PAI (Vespel®, Duratron®, or equal), PEEK |
Certifications & Compliance
- ASME Sec VIII Div. 1 (NB-18 Cert. No. 28066)
- API 520 (Sizing & Selection of PRV’s) / API 527 (Seat tightness of PRV’s)
- Superior flow capability (KA factor) vs. equivalent API 526 orifice
- API 526 center-to-face dimensions available on most sizes
- NACE MR0175 H2S compliant materials available on request
- PED / CE (2014/68/EU)
- Canadian CRN (all Provinces per CSA B51)
- ABS Product Design Assessment (Cert. No. 15-HS1393800-PDA)