Cryogenic Ball Valve — Hydrocarbons/Fuels/Oils
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Request a Spec Review →Named chemicals
What LibertyCES's vendor documentation shows
The double-seal detail is the real engineering content: the 1500 Series seals twice — at the top of the valve AND the top of the bonnet — which is what makes a cryogenic extension trustworthy rather than just longer. The L-port diverter and Vee-ported control configurations mean one cryogenic body covers isolation, diversion and throttling. 9500's customizable bonnet lengths including subterranean box installations is the install-side flexibility to lead with on an LNG terminal page.
Materials documented for this service
- Hastelloy C and Monel 400 body/ball/stem options (1500 Series)
- 316SS
- Carbon steel
- Flexitallic spiral wound gasket
- Delrin / PEEK seats (HP1100 platform, for reference)
Products cited for this service
Real Specifications
| AVCO 1500 Series pressure & construction | 1/4"-4", up to Class 600/2000 WOG; single-piece cryogenic bonnet extension bolted to the body, sealed twice via Flexitallic spiral wound gasket; Hastelloy C and Monel 400 body/ball/stem options | avco-valve-ball-valves.md |
| AVCO 9500 Series pressure & install flexibility | 1-1/2"-6", Class 150/300; standard-length bonnets keep the operator a safe distance from the pipeline, with customizable lengths including subterranean box installs | avco-valve-ball-valves.md |
| AVCO 1500/9500 named markets | 1500 Series: aerospace, petrochemical, LNG, liquid oxygen; 9500 Series: power, oil & gas, chemical, LNG, liquid oxygen | avco-valve-ball-valves.md |
| Naming pattern for cryogenic variants | AVCO systematically pairs every standard series with a cryogenic-bonnet variant: 1100→1500, 9100→9500, 11100→11500, 19100→19500 | avco-valve-ball-valves.md |
The 1500 Series' cryogenic bonnet is sealed twice — at the top of the valve AND the top of the bonnet — a real double-seal design specifically because a single-seal cryogenic bonnet is where LNG or liquid-oxygen service valves typically leak as the bonnet thermal-cycles.
AVCO doesn't build a bespoke cryogenic valve for LNG service — it extends the same 1100/9100 platform with a doubly-sealed bonnet, which matters for spares planning across a liquefaction train: the ball, seats, and body are the same parts a standard-service valve already uses.
Every material and product claim on this page traces to real, vendor-published documentation on file with LibertyCES. Chemical compatibility depends on exact concentration, temperature, and duty cycle — confirm current specifications with the manufacturer and request a spec review before final specification.
FAQ
Is Cryogenic Ball Valve compatible with Hydrocarbons/Fuels/Oils?
The double-seal detail is the real engineering content: the 1500 Series seals twice — at the top of the valve AND the top of the bonnet — which is what makes a cryogenic extension trustworthy rather than just longer. The L-port diverter and Vee-ported control configurations mean one cryogenic body covers isolation, diversion and throttling. 9500's customizable bonnet lengths including subterranean box installations is the install-side flexibility to lead with on an LNG terminal page. This is strong evidence.
What materials are documented for Cryogenic Ball Valve in Hydrocarbons/Fuels/Oils service?
Materials documented for this service: Hastelloy C and Monel 400 body/ball/stem options (1500 Series), 316SS, Carbon steel, Flexitallic spiral wound gasket, Delrin / PEEK seats (HP1100 platform, for reference). Chemical compatibility depends on exact concentration, temperature, and duty cycle — confirm with a spec review before final specification.
What specific Hydrocarbons/Fuels/Oils chemicals does this cover?
Named chemicals in this documentation: LNG / liquefied natural gas, natural gas, propane, butylene, liquid oxygen (co-listed service).
What products are cited for Cryogenic Ball Valve in Hydrocarbons/Fuels/Oils service?
Documented examples include AVCO 1500 Series (1/4"-4", up to Class 600 / 2000 WOG; single-piece cryogenic bonnet extension bolted to the body, sealed twice via Flexitallic spiral wound gasket; configurable as an L-port cryogenic diverter or Vee-ported cryogenic control valve), AVCO 9500 Series (1-1/2"-6", Class 150/300, standard-length bonnets keeping the operator a safe distance from the pipeline, customizable lengths incl. subterranean box installs), AVCO 11500 and 19500 Series (extended-bonnet cryogenic variants of the 11100 and 19100 trunnion valves).
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