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Selection Guides2026-06-18 · 12 min read

Oilfield Gate Valve Types & Selection Guide: API 6A, Through-Conduit & Expanding Gate Valves

Complete selection guide for oilfield gate valve types: slab gate, expanding gate, and through-conduit designs. Covers API 6A trim levels, pressure ratings, seat configurations, and how to choose the right valve for wellhead, flowline, and manifold applications.

Lei Wang
Lei Wang

Katta muhandis, quduq usti va klapan tizimlari

API 6A quduq usti jihozlari dizayni va ishlab chiqarishda 15+ yil. JLD Energy'da mahsulot muhandisligini boshqaradi.

2026-06-18 · 12 daq o'qish

Neft va gaz sohasidagi zadvizhkalarni tanlash bo'yicha to'liq qo'llanma. Slab gate, expanding gate va through-conduit gate turlari, API 6A trim darajalari va bosim klasslari haqida batafsil.

Zadvizhkalarning uchta asosiy konstruksiyasi

Neft konlari uchun zadvizhkalar uch turga bo'linadi. Slab gate (parallel) eng oddiy va tejamkor variant. Expanding gate ikki tomonlama germetizatsiya bilan yuqori bosimli sharoitlar uchun. Through-conduit gate quvur liniyalari va piggable oqim liniyalari uchun standart hisoblanadi.

API 6A Trim darajalari

Trim 1-1 (uglerodli po'lat) oddiy sharoitlar uchun. Trim 5-1 (Inconel 718) kislotali muhit uchun NACE MR0175 talablariga javob beradi. Trim 12-1 (13% Cr) CO₂ korroziyasiga chidamli. Amaliy qoida: H₂S 0.05 psi dan yuqori bo'lganda Trim 5-1 ni belgilang.

To'g'ri zadvizhkani tanlash uch turdagi qarorga bog'liq: gate turi, Trim klassi va bosim klassi. JLD Energy bilan bog'lanib, o'zingizning quduq ustidagi yoki oqim liniyasi parametrlaringiz bo'yicha tavsiya oling.

Ilovangiz uchun mahsulotlar

Barcha mahsulotlar — to'liq katalogBOP va manifold — ram, halqasimon, drossel va o'ldirishZadvijka klapanlari — FC, FL, PFA va WKM modellari

Ko'p so'raladigan savollar

JLD Energy API 6A PSL 3 Trim 5-1 zadvizhkalarini ishlab chiqaradimi?
Ha. JLD Energy barcha turdagi zadvizhkalarni API 6A bo'yicha 20M gacha ishlab chiqaradi. PSL 3 Trim 5-1 standart konfiguratsiya hisoblanadi.

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