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Detroit · Air Separation Units (ASU)

Valves for Air Separation Units (ASU) — Detroit

Detroit is the manufacturing capital of North America — the Ford River Rouge complex (the world's largest vertically integrated automotive plant), GM's Warren and Hamtramck facilities, and Stellantis Detroit Assembly require industrial valves for compressed air, cooling water, paint line chemical, and steam supply; Marathon Petroleum's Detroit Refinery (140,000 bpd) is Michigan's only refinery and the largest in the Great Lakes region, requiring ongoing API 6D ball valve and gate valve maintenance; BASF Wyandotte (Michigan's largest chemical plant, producing polyurethane and performance chemicals) requires Hastelloy and SS 316L corrosion-resistant valves; Vajra Industrial Solutions supplies ASME B16.34 Class 150–600 ball valves, gate valves, globe valves, and butterfly valves to Detroit automotive suppliers, Marathon Petroleum maintenance teams, and BASF Wyandotte — full MTR documentation, ASME B16.34 compliance, and expedited shipment to Michigan provided.

ASTM G93 oxygen-cleaned cryogenic extended-bonnet SS316L ball and gate valves for ASU liquid oxygen (LOX), liquid nitrogen (LIN), and liquid argon (LAR) production columns.

ASTM G93 (Oxygen Cleaning)EIGA Doc 13 (Oxygen Safety)BS 6364 (Cryogenic Valves)ASME B16.34ISO 21011 (Cryogenic Valves)
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API 6D Certified
ASME B16.34
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Air Separation Units (ASU) Valves — Available in Detroit

Cryogenic Ball Valve (LOX Service)

Class 150 / 300

LOX pump suction, LOX column draw, LOX product loading — extended bonnet for −183°C; ASTM G93 oxygen-cleaned

Materials: A182 F316L forged body; SS316L ball; PCTFE seats (oxygen-compatible); SS316L extended bonnet (350+ mm)  ·  Standards: BS 6364, ASTM G93, EIGA Doc 13, API 607 (fire-safe, oxygen-critical)
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Cryogenic Gate Valve (LIN/LAR)

Class 150 / 300

Liquid nitrogen and argon column isolation, product draw, and storage tank isolation; extended bonnet required

Materials: A182 F316L body and stem; SS316L gate and seats; extended bonnet per BS 6364  ·  Standards: BS 6364, ASME B16.34, ISO 21011
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Globe Valve (Control, Cryogenic)

Class 150 / 300

Oxygen pressure letdown and LIN flow control — precision control; SS316L body; no elastomer seats in oxygen service

Materials: A182 F316L body; SS316L trim; PCTFE or SS316 seat; oxygen-cleaned  ·  Standards: BS 6364, ASTM G93, ASME B16.34
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Check Valve (Cryogenic)

Class 150 / 300

LOX pump discharge check, back-flow prevention on product filling headers

Materials: A182 F316L body; SS316L disc and hinge pin; PCTFE seat ring; oxygen-cleaned  ·  Standards: BS 6364, API 594, ASTM G93
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Air Separation Units (ASU) Industry in Detroit

Detroit is the manufacturing capital of North America — the Ford River Rouge complex (the world's largest vertically integrated automotive plant), GM's Warren and Hamtramck facilities, and Stellantis Detroit Assembly require industrial valves for compressed air, cooling water, paint line chemical, and steam supply; Marathon Petroleum's Detroit Refinery (140,000 bpd) is Michigan's only refinery and the largest in the Great Lakes region, requiring ongoing API 6D ball valve and gate valve maintenance; BASF Wyandotte (Michigan's largest chemical plant, producing polyurethane and performance chemicals) requires Hastelloy and SS 316L corrosion-resistant valves; Vajra Industrial Solutions supplies ASME B16.34 Class 150–600 ball valves, gate valves, globe valves, and butterfly valves to Detroit automotive suppliers, Marathon Petroleum maintenance teams, and BASF Wyandotte — full MTR documentation, ASME B16.34 compliance, and expedited shipment to Michigan provided.

Automotive Manufacturing (Ford, GM, Stellantis)Chemical & Plastics (BASF Detroit, Dow Automotive)Steel & Metals (US Steel Monroe, AK Steel)Power Generation (DTE Energy)Water & Municipal Infrastructure

Critical Valve Requirements

ASTM G93 / CGA G-4.1 oxygen cleaning — all valves for LOX/GOX service must be degreased with approved solvents, then passivated; verified by UV light and/or white glove test; sealed in nitrogen-purged bags until installation
EIGA Doc 13 (European Industrial Gases Association) — comprehensive oxygen safety standard; defines material compatibility, ignition mechanisms, and design requirements for oxygen valves
No PTFE in high-pressure oxygen service (> 30 bar GOX) — PTFE can ignite in high-velocity O₂; use PCTFE or metal-to-metal seats instead; PTFE acceptable for low-pressure (<30 bar) LOX
No brass, bronze, or copper alloys — acceptable for low-pressure oxygen, but ASU practice avoids them entirely due to particle contamination risk
Extended bonnet per BS 6364 — minimum 350 mm bonnet extension for valves below −29°C to keep packing above cryogenic zone
Impact testing — all cryogenic valve components must pass Charpy V-notch impact test at −196°C per ASTM A370

Why Detroit's Automotive Manufacturing (Ford, GM, Stellantis) Sector Needs Air Separation Units (ASU) Valves

Detroit is the manufacturing capital of North America — the Ford River Rouge complex (the world's largest vertically integrated automotive plant), GM's Warren and Hamtramck facilities, and Stellantis Detroit Assembly require industrial valves for compressed air, cooling water, paint line chemical, and steam supply; Marathon Petroleum's Detroit Refinery (140,000 bpd) is Michigan's only refinery and the largest in the Great Lakes region, requiring ongoing API 6D ball valve and gate valve maintenance; BASF Wyandotte (Michigan's largest chemical plant, producing polyurethane and performance chemicals) requires Hastelloy and SS 316L corrosion-resistant valves; Vajra Industrial Solutions supplies ASME B16.34 Class 150–600 ball valves, gate valves, globe valves, and butterfly valves to Detroit automotive suppliers, Marathon Petroleum maintenance teams, and BASF Wyandotte — full MTR documentation, ASME B16.34 compliance, and expedited shipment to Michigan provided. Key facilities in the Detroit area — including Ford Motor Dearborn Truck Plant and River Rouge Complex (world's largest vertically integrated manufacturing complex), General Motors Tech Center Warren, Stellantis Detroit Assembly Complex — rely on Cryogenic Ball Valve (LOX Service) for their automotive manufacturing (ford, gm, stellantis) operations. Vajra Industrial Solutions supplies Cryogenic Ball Valve (LOX Service), Cryogenic Gate Valve (LIN/LAR), Globe Valve (Control, Cryogenic), Check Valve (Cryogenic) for air separation units (asu) projects across Michigan, with full ASTM G93 (Oxygen Cleaning) and EIGA Doc 13 (Oxygen Safety) compliance documentation — EN 10204 3.1 material test certificates, API 598 pressure test reports, and third-party inspection co-ordination available for every order.

Delivery to Detroit

Vajra Industrial Solutions offers export documentation and delivery to Detroit in 7–14 business days. Emergency dispatch available for plant shutdowns and critical site requirements.

Also serving: Ford Motor Dearborn Truck Plant and River Rouge Complex (world's largest vertically integrated manufacturing complex), General Motors Tech Center Warren, Stellantis Detroit Assembly Complex, Marathon Petroleum Detroit Refinery (140,000 bpd — Michigan's largest and only refinery), BASF Wyandotte chemical plant (Michigan's largest)

FAQ — Air Separation Units (ASU) Valves in Detroit

Do you supply air separation units (asu) valves in Detroit?
Yes. Vajra Industrial Solutions supplies Cryogenic Ball Valve (LOX Service), Cryogenic Gate Valve (LIN/LAR), Globe Valve (Control, Cryogenic), Check Valve (Cryogenic) for air separation units (asu) applications in Detroit, Michigan. Detroit is the manufacturing capital of North America — the Ford River Rouge complex (the world's largest vertically integrated automotive plant), GM's Warren and Hamtramck facilities, and Stellantis Detroit Assembly require industrial valves for compressed air, cooling water, paint line chemical, and steam supply; Marathon Petroleum's Detroit Refinery (140,000 bpd) is Michigan's only refinery and the largest in the Great Lakes region, requiring ongoing API 6D ball valve and gate valve maintenance; BASF Wyandotte (Michigan's largest chemical plant, producing polyurethane and performance chemicals) requires Hastelloy and SS 316L corrosion-resistant valves; Vajra Industrial Solutions supplies ASME B16.34 Class 150–600 ball valves, gate valves, globe valves, and butterfly valves to Detroit automotive suppliers, Marathon Petroleum maintenance teams, and BASF Wyandotte — full MTR documentation, ASME B16.34 compliance, and expedited shipment to Michigan provided. We offer export documentation and delivery to Detroit in 7–14 business days with full documentation and third-party inspection.
What certifications are required for air separation units (asu) valves in Detroit?
For air separation units (asu) in Detroit, the applicable standards are: ASTM G93 (Oxygen Cleaning), EIGA Doc 13 (Oxygen Safety), BS 6364 (Cryogenic Valves), ASME B16.34, ISO 21011 (Cryogenic Valves), CGA G-4.1 (O₂ Cleaning USA), API 598. All valves are supplied with full documentation including material test reports (EN 10204 3.1/3.2), pressure test certificates, and dimensional inspection reports. Third-party inspection (TPI) by EIL, Bureau Veritas, Lloyd's Register, or the client's nominated inspector can be arranged.
What is the delivery time for air separation units (asu) valves to Detroit?
Standard stock sizes: export documentation and delivery to Detroit in 7–14 business days. Custom sizes and special materials (Duplex, Hastelloy, P91): 4–8 weeks manufacturing lead time. Express dispatch available for urgent site requirements. Contact us at +91-9979774557 or sales@vajravyuh.com with your specification and required delivery date.
What is ASTM G93 oxygen cleaning and is it mandatory for all ASU valves?
ASTM G93 (Standard Practice for Cleaning Methods and Cleanliness Levels for Material and Equipment Used in Oxygen-Enriched Environments) defines the degreasing, rinsing, and verification process for components that will be in contact with oxygen. For LOX and GOX service in ASUs, ASTM G93 cleaning is mandatory — trace hydrocarbons or particles can ignite in an oxygen-rich environment. The process involves solvent degreasing (usually with non-flammable chlorinated solvents or approved alternatives), hot DI water rinse, oven drying, UV light inspection, white-glove testing, and sealing in nitrogen-purged polyethylene bags for shipment.
Why can't I use PTFE seats in high-pressure oxygen valves?
PTFE (polytetrafluoroethylene) is generally oxygen-compatible at low pressures and low flow velocities. However, above approximately 30 bar GOX, PTFE can ignite through frictional heating from high-velocity gas impingement or particle impact ignition — a mechanism unique to oxygen service. EIGA Doc 13 and CGA G-4.1 restrict PTFE in high-pressure oxygen to specific designs with defined velocity limits. PCTFE (polychlorotrifluoroethylene) is the standard alternative — it has a higher ignition temperature than PTFE and is the seat material of choice for high-pressure LOX and GOX valves above 30 bar.

Other Application Guides for Detroit

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Air Separation Units (ASU) Valves — Detroit

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Standards

ASTM G93 (Oxygen Cleaning)
EIGA Doc 13 (Oxygen Safety)
BS 6364 (Cryogenic Valves)
ASME B16.34
ISO 21011 (Cryogenic Valves)
CGA G-4.1 (O₂ Cleaning USA)
API 598

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