Pipes, Valves & Fittings for Oil & Gas Projects — Supply from Turkey

Oil and gas projects consume more piping material than any other industry. A single refinery expansion can require thousands of tonnes of pipe, tens of thousands of flanges, hundreds of valves, and millions of fasteners — all procured to exact specifications, with full traceability, and delivered to schedule.

The procurement challenge is not finding individual items. It is finding a supplier who can package the entire material take-off (MTO) into a single quotation, with competitive pricing, correct documentation, and reliable delivery. Splitting the order across 10 suppliers means 10 sets of coordination, 10 shipping schedules, and 10 chances for something to arrive wrong or late.

Kasko Makine supplies the complete range of piping materials for oil and gas projects from Turkey — pipe, valves, flanges, fittings, fasteners, gaskets, and steel plates — as a single-source package. One quotation. One quality team. One shipment.

What We Supply for Oil & Gas Projects

Carbon Steel Pipe

The backbone of every oil and gas piping system. We supply:

• API 5L line pipe — Grades B through X80, PSL1 and PSL2, seamless and welded (ERW, LSAW, SSAW). For transmission pipelines, flowlines, and gathering systems.

• ASTM A106 Grade B/C — seamless pipe for high-temperature refinery and power plant process piping.

• ASTM A333 Grade 6 — seamless pipe for low-temperature service down to -46°C.

• ASTM A53 Grade B — seamless and ERW pipe for general service.

Sizes: NPS 1/2" to NPS 60". Schedules: STD, XS, XXS, and all numeric schedules. Coatings: bare, 3LPE, 3LPP, FBE, coal tar enamel — per project specification.

Stainless Steel Pipe

For corrosive service, high-temperature process piping, and offshore applications:

• ASTM A312 — TP304L, TP316L, TP321, TP310S. Seamless and welded.

• ASTM A358 — Large-diameter welded SS pipe for high-temperature service.

• Duplex 2205 and Super Duplex 2507 — for aggressive offshore and chemical environments.

Alloy Steel Pipe

For high-temperature refinery and power plant service:

• ASTM A335 — Grades P5, P9, P11, P22, P91. Seamless alloy pipe for elevated temperature.

• ASTM A691 — Electric fusion welded alloy pipe for high-temperature, high-pressure service.

Valves

Every valve type required for upstream, midstream, and downstream oil and gas:

• Gate valves — forged and cast, bolted bonnet and pressure seal. Class 150 to 2500. Carbon steel, alloy, stainless, and exotic alloys. API 600, API 602, API 6D.

• Ball valves — floating and trunnion mounted. Full bore and reduced bore. Class 150 to 2500. API 6D, API 608. Firesafe per API 607.

• Check valves — swing, piston, dual-plate (wafer), and tilting disc. API 6D, API 594.

• Globe valves — standard pattern, Y-pattern, and angle. Class 150 to 2500. BS 1873, API 602.

• Butterfly valves — concentric, double offset, and triple offset. Wafer, lug, and double-flanged. API 609.

• Plug valves — lubricated and non-lubricated. API 599, API 6D.

• Safety/relief valves — conventional, balanced bellows, pilot operated. API 520, API 526.

• Needle valves and instrument manifolds — for instrumentation piping.

Flanges

Complete flange supply per ASME and API standards:

• Types: Weld neck (WN), slip-on (SO), blind (BL), socket weld (SW), threaded (TH), lap joint (LJ), long weld neck (LWN), orifice flanges, spectacle blinds, spacer flanges.

• Standards: ASME B16.5 (NPS 1/2"–24"), ASME B16.47 Series A & B (NPS 26"–60"), API 6A (wellhead), MSS SP-44 (pipeline).

• Pressure classes: Class 150 to 2500.

• Materials: A105 (carbon steel), A182 F11/F22 (alloy), A182 F304L/F316L (stainless), duplex, super duplex.

• Faces: Raised face (RF), ring type joint (RTJ), flat face (FF).

Pipe Fittings

Butt weld and forged fittings in all materials:

• Butt weld (ASME B16.9): Elbows (45°, 90° LR/SR), tees, reducers (concentric/eccentric), caps, stub ends.

• Forged (ASME B16.11): Socket weld and threaded elbows, tees, couplings, unions, bushings.

• Branch connections: Weldolets, sockolets, threadolets, elbolets, latrolets — MSS SP-97.

• Materials: A234 WPB/WPC (CS), A234 WP11/WP22 (alloy), A403 WP304L/WP316L (SS).

Fasteners

Stud bolts, nuts, and washers for every flange and equipment connection:

• ASTM A193 B7, B7M, B8, B8M, B16, L7 — stud bolts for all temperature ranges.

• ASTM A194 2H, 2HM, 8, 8M — matching heavy hex nuts.

• ASTM A320 L7, L7M, L43 — for low-temperature service.

• Coatings: Plain, zinc plated, hot-dip galvanized, PTFE coated, phosphate coated.

• Anchor bolts: ASTM F1554 Grade 36, 55, 105 for structural and equipment foundations.

Gaskets

Sealing solutions for every flange type and pressure class:

• Spiral wound gaskets (ASME B16.20) — with inner/outer rings, all filler materials (graphite, PTFE).

• Ring joint gaskets (ASME B16.20) — R, RX, BX types for RTJ flanges.

• Sheet gaskets — compressed fiber, PTFE, graphite, rubber.

• Kammprofile gaskets — for high-pressure and heat exchanger applications.

• Insulation gaskets — for cathodic protection isolation.

Steel Plates

For pressure vessel fabrication, structural steel, and equipment manufacturing:

• ASTM A516 Grade 60/65/70 — pressure vessel plate (as-rolled and normalized).

• ASTM A387 Grade 11/22/91 — alloy steel plate for high-temperature pressure vessels.

• ASTM A36, A572 Gr 50 — structural steel plate.

• Stainless steel plate — A240 Grade 304L, 316L, 321, 310S, duplex 2205.

Heat Exchangers, Expansion Joints & Pumps

• Heat exchangers: Shell and tube, plate, air-cooled — TEMA standards.

• Expansion joints: Metal bellows (SS 304, 316, 321), rubber, fabric, PTFE-lined.

• Pumps: Centrifugal (end suction, split case, multistage), submersible, and fire pumps.

Why Single-Source from Kasko Makine?

One quotation for the entire MTO. Send us your piping material take-off and we quote every line item — pipe, valves, flanges, fittings, fasteners, and gaskets. No need to coordinate with 10 different suppliers.

600+ product types in stock and on order. We are not a broker searching for material after you order. We maintain relationships with certified manufacturers across Turkey and supply from proven, auditable sources.

Full documentation. Every item ships with EN 10204 Type 3.1 mill test certificates, dimensional reports, coating certificates, and PMI reports as required. We understand that oil and gas procurement requires complete traceability — no shortcuts.

Third-party inspection. We welcome inspection by Bureau Veritas, SGS, TÜV, Lloyd's Register, or your own designated inspector at the manufacturer's facility before shipment.

Consolidation and logistics. All materials are consolidated at our warehouse in Istanbul, containerized together, and shipped to your project site as a single consignment. This eliminates the coordination nightmare of multiple shipments from multiple suppliers arriving at different times.

15+ years of experience supplying piping materials to EPC contractors, fabrication shops, and end users across Africa, the Middle East, Central Asia, and Southeast Asia.

Industries We Serve

Upstream oil and gas — wellhead piping, flow lines, gathering systems, processing facilities. API 5L pipe, API 6D valves, API 6A flanges.

Midstream — transmission pipelines, compressor stations, metering stations, pump stations. Large-diameter API 5L pipe with 3LPE/FBE coating, mainline valves.

Downstream / refining — process piping, pressure vessels, heat exchangers, columns and reactors. ASTM A106 pipe, A182 flanges, A193 fasteners, A516 plate.

Petrochemical — chemical processing, polymer plants, fertilizer plants. Stainless steel and alloy piping, corrosion-resistant valves.

LNG and gas processing — cryogenic piping (A333 Grade 6), low-temperature valves, stainless steel pipe for process equipment.

Offshore platforms — duplex and super duplex piping, 316L stainless, exotic alloy valves. Materials certified for offshore service with full traceability.

How to Get a Quotation

Step 1: Send us your material take-off (MTO), material requisition (MR), or bill of materials (BOM). We accept Excel, PDF, or even a handwritten list.

Step 2: Our technical team reviews every line item, confirms specifications, and prepares a detailed quotation within 48 hours.

Step 3: We discuss quantities, delivery schedules, inspection requirements, and shipping logistics.

Step 4: Upon order confirmation, we issue purchase orders to certified manufacturers, arrange third-party inspection if required, and manage production tracking.

Step 5: Materials are consolidated, packed, and shipped — FOB Istanbul, CIF destination, or DDP as agreed.

FAQ SCHEMA

Q: What piping materials does Kasko Makine supply for oil and gas projects?
A: We supply the complete range: API 5L line pipe, ASTM A106/A333 process pipe, stainless steel pipe (A312), alloy pipe (A335), gate/ball/check/globe/butterfly/plug valves, flanges (ASME B16.5/B16.47), butt weld and forged fittings, stud bolts and fasteners (A193/A194), gaskets, steel plates (A516, A387), heat exchangers, expansion joints, and pumps. Single-source supply from Turkey.

Q: Can you quote an entire material take-off (MTO)?
A: Yes. Send us your MTO, MR, or BOM in Excel or PDF format. Our technical team reviews every line item and provides a complete, line-by-line quotation within 48 hours. We handle orders ranging from 10 line items to 5,000+ line items.

Q: Do you provide mill test certificates and third-party inspection?
A: Yes. All materials ship with EN 10204 Type 3.1 mill test certificates as standard. Third-party inspection by Bureau Veritas, SGS, TÜV, Lloyd's Register, or your designated inspector can be arranged at the manufacturer's facility before shipment. PMI testing is available on request.

Q: What countries do you deliver to?
A: We deliver worldwide, with a primary focus on Africa, the Middle East, Central Asia, South Asia, and Southeast Asia. Shipping terms include FOB Istanbul, CIF destination, or DDP as agreed. Materials are consolidated at our Istanbul warehouse and containerized for efficient shipping.

Q: What is the typical lead time for oil and gas piping materials?
A: Stock items can ship within 1–2 weeks. Standard production items typically require 4–8 weeks. Special items (exotic alloys, large-diameter pipe, high-pressure valves) may require 10–16 weeks. We provide a detailed delivery schedule with every quotation and manage production tracking throughout the order.


Send your MTO now to info@kaskomakine.com or WhatsApp +90 (537) 521 1399. We respond within 48 hours with a complete, line-by-line quotation.

Whether your project is a 10-line valve order or a 5,000-line refinery MTO — we have the product range, technical knowledge, and supply chain to deliver on specification and on schedule.