14211-RW ORFS Male O-Ring Seal Fitting

Our ORFS male O-ring seal fitting, series 14211-RW, is a crimp-on hydraulic hose fitting built to the American ORFS (O-Ring Face Seal) system, with a UNF male thread and an O-ring groove at the thread tip. It connects braided hydraulic hose to ORFS male ports on pumps, valves and cylinders made to SAE J1453. The range covers 9/16″-18 to 2″-12 UNF threads, dash size -04 to -24, hose bore DN6 to DN40. Every fitting ships with its matched O-ring and is 100% dimensionally inspected before packing.

コンプライアンスおよび基準：

• SAE J1453 (O-ring face seal / ORFS system)
• ISO 8434-3 (O-ring face seal connectors)
• UNF threads (Unified National Fine, inch based)
• SAE J516（油圧ホース継手の一般的な設計指針）

Why buyers choose this fitting:

• Zero-leak face seal. The O-ring sits in the groove at the thread tip and seals against the flat face of the mating port. No metal-to-metal fit-up required, no leakage under impulse pressure.
• The leak-free American standard. ORFS is the preferred connection for high pressure, high impulse and mobile hydraulic applications where JIC connections weep.
• O-ring included with every fitting. Every 14211-RW fitting ships with the matched O-ring pre-installed. No tape, no paste, no guesswork at assembly.
• Full UNF thread range. 9/16″-18 through 2″-12, covering the complete SAE J1453 dash grid from -04 to -24.

ORFS Male O-Ring Seal Fitting Technical Specifications

The table below lists all 15 sizes of the 14211-RW ORFS male O-ring seal fitting. Dimensions are in millimeters. All threads are UNF (Unified National Fine) with an O-ring groove at the thread tip per SAE J1453.

Notes: Dim. A is the assembly reference length from the thread face to the hose-end shoulder. Dim. C is the thread zone length. Hex S1 is the wrench size across flats. O-ring sizes follow the SAE J1453 O-ring designation (O011 through O029). The -RW suffix denotes the braided-hose version; for spiral-wound hose, use series 14212-XX-XXRW.

How the ORFS Face Seal Works – and Why It Does Not Leak

The ORFS connection seals differently from every cone-type fitting in our catalog. Instead of a metal cone, the ORFS male fitting carries a groove at the thread tip with an O-ring. When the UNF thread is tightened, the O-ring is compressed between the flat face of this fitting and the flat face of the mating port. The O-ring, not metal, carries the seal.

This design gives three advantages that matter in the field. First, it tolerates surface scratches and minor nicks on the port face, where a cone or flare seal would start to weep. Second, it withstands high impulse pressure without loosening, because there is no cone to embed. Third, it can be repeatedly assembled and disassembled with a simple O-ring replacement. Our impulse testing found that ORFS assemblies hold pressure cycling significantly longer than equivalent JIC flare assemblies of the same size.

ORFS vs JIC – Which One Do You Need

JIC (37 degree flare) is the classic American connection, economical and widely available. ORFS is the upgrade: the O-ring face seal eliminates the metal-to-metal fit-up that causes JIC weeping under high impulse and high pressure.

Choose ORFS when the circuit runs at high pressure with sharp pressure spikes, such as pump discharge lines, pressure washing equipment and mobile hydraulic systems. Choose JIC when the application is standard pressure and cost matters most. This fitting is the ORFS male end; the matching female side is our 14221 series ORFS female fitting.

挿入深さと圧着外径――エンジニアが求める2つの数値

挿入深さは、ホースの内径に挿入されるバーブ付きテールの長さです。圧着外径は、圧着後のフェルールの外径です。これら2つの要素によって、アセンブリが圧力を保持できるか、あるいは圧着部から漏れが生じるかが決まります。.

HENGHUAでは、SAE 100 R1AT、R2AT、およびEN 853 1SN／2SNを含め、当社が供給するすべてのホース構造について、対応するインサート深さと圧着外径を公表しています。補強材の厚さによって積層厚さが変わるため、これらの値はホースごとに異なります。 ホースの型番を明記の上、当社の圧着データシートをご請求いただければ、1営業日以内に正確な圧着外径およびダイの選定情報をお知らせいたします。.

当社の製造試験の結果、公表されている許容範囲（通常±0.2 mm）内の圧着外径が確認された場合、完成品において4:1以上の破裂安全率を確保できることが判明しました。圧着作業のたびに、デジタルノギスで測定してください。.

材料および熱処理

• 炭素鋼（標準）： high-strength cold-headed or hot-forged carbon steel (20# / 35# / 45# grades). The tail and O-ring groove are case-hardened with a carburizing and quenching process for fatigue resistance. Reference hardness range is HRC 20-28 on the core with a hardened case.
• 表面仕上げ： 白亜鉛メッキまたはカラー（黄色）亜鉛メッキ（不動態化処理済み）。より厳しい塩水噴霧試験の要件に対応するため、オプションで亜鉛ニッケルメッキおよびダクロメットコーティングもご利用いただけます。.
• ステンレス鋼（オプション）： 腐食性媒体や水洗い環境向けの304、316、または316Lステンレス鋼。.
• O-ring elastomer: standard NBR (nitrile). FKM, EPDM and other elastomers are available on request for special fluids and temperatures.

耐圧・耐熱定格

The connection rating follows the SAE J1453 O-ring face seal reference table below. These are reference values (§) for the fitting connection itself. The final working pressure of a hose assembly is set by the hose construction and the approved crimping specification.

§Reference values per SAE J1453 O-ring face seal connection classes. Confirm the assembly rating with the HENGHUA crimp data sheet matched to your hose.

温度範囲： -40°C to +100°C with the standard NBR O-ring. At elevated temperature, apply the standard SAE J517 style derating to the assembly working pressure. The O-ring operating range can be extended with FKM material for high-temperature circuits.

耐圧試験： HENGHUAでは、定格使用圧力の最大100%までの耐圧試験済みのアセンブリを供給可能であり、ご要望に応じて試験証明書を発行いたします。.

How to Select the Right ORFS Male O-Ring Seal Fitting

Selection is a three-step process. First, match the hose bore to the dash size. Second, match the UNF thread to your port. Third, confirm the hose construction version (-RW for braided, 14212 series for spiral).

部品番号の構成

HENGHUAの部品番号は、3つの区切りで読みます。例： 14211-08-08RW.

ホースシリーズから選択

The 14211-RW fitting is designed for braided hydraulic hose. Recommended matching constructions:

• SAE 100 R1AT (one wire braid) – for -04 to -24 sizes
• SAE 100 R2AT (two wire braid) – for -04 to -24 sizes
• EN 853 1SN および 2SN（同等の欧州規格）

ねじサイズで選択

The O-ring at the thread tip seals against the flat face of the mating ORFS port. All threads are UNF (Unified National Fine):

• 小さいサイズ： 9/16″-18, 11/16″-16, 13/16″-16 (dash -04 to -08)
• 中サイズ： 1″-14, 1.3/16″-12 (dash -08 to -12)
• 大きいサイズ： 1.7/16″-12, 1.11/16″-12, 2″-12 (dash -12 to -24)

Tightening is via the hex S1 with a standard wrench. The O-ring is pre-installed, so assembly is a simple screw-on operation.

関連項目

This series replaces equivalent SAE J1453 ORFS male fittings available in the market. If you hold an OEM part number or a competitor catalog number, send it to our sales team. We confirm the direct replacement within 24 hours, including thread, dash size, hex, insert depth and O-ring size checks.

包装・物流

組み立てガイド：安全なホースの組み立てを行うための4つの手順

Follow this process for every crimped assembly. It applies to every ORFS male O-ring seal fitting size from dash -04 to -24. Skipping one step is the most common cause of early fitting failure.

手順 1 – ホースを直角に切る。. 切れ味のよいホースカッターを使用してください。切り口が直角であれば、継手がホース内に均等に収まります。斜め切りやギザギザの切り口になると、隙間が生じ、そこから漏れの原因となります。.

手順 2 – 挿入深さを印をつける。. HENGHUAの圧着データシートに記載されている挿入深さを測定します。その距離の位置に、ホースカバーに線を引きます。この印は、挿入後もはっきりと見えるようにしておく必要があります。.

ステップ3 – 潤滑して挿入する。. ホースの内径とバーブ付きテール部分に、適合する組立用潤滑剤を薄く塗布してください。フィッティングをねじりながら押し込み、深さ目印がテールの端と揃うまで挿入します。目印の位置で停止してください。それ以上無理に押し込まないでください。.

手順4 – 圧着して確認する。. Select the correct die set for your hose and fitting size. Crimp in one continuous stroke. After crimping, measure the crimp O.D. with a digital caliper and compare it with the tolerance on the crimp data sheet. Record the value on your quality log. A correct crimp O.D. is the difference between a 10-year assembly and a field failure.

安全上の注意 – 圧着作業を行う前に必ずお読みください

• ブランドを混ぜてはいけません。. メーカーが異なるホースや継手は、寸法が同じであっても、圧着パラメータが異なる場合があります。必ず、互いに適合するホース、継手、および圧着データシートを使用してください。.
• Never seal the ORFS face with tape. The O-ring carries the seal. Thread sealant tape or paste on the face or thread damages the O-ring and destroys the seal.
• Check the O-ring before assembly. A cut, pinched or hardened O-ring must be replaced. The O-ring is the sealing element; never assemble without it.
• Do not confuse ORFS with JIC. ORFS uses a flat face with an O-ring; JIC uses a 37 degree flare cone. The threads may be similar, but the sealing geometry is completely different.
• 規定通りに締め付けてください。. Use the hex S1 and tighten to the torque value on the data sheet. Over-tightening distorts the face. Under-tightening causes the O-ring to leak.
• 圧着済みの継手は絶対に再利用しないでください。. 圧着されると、フェルール部分は加工硬化します。再度圧着を行っても、元の締め付け力を回復させることはできません。.

OEMカスタマイズと品質トレーサビリティ

HENGHUA supplies not only standard sizes but also fully customized ORFS male O-ring seal fitting solutions for OEM programs.

カスタマイズサービス

• Thread customization. Non-standard thread lengths, special threads, and custom tail lengths for your hose construction.
• O-ring elastomer selection. NBR, FKM, EPDM and other elastomers matched to your fluid and temperature range.
• 表面処理のカスタマイズ。. ホワイト亜鉛、カラー亜鉛、亜鉛ニッケル、およびダクロメットコーティングは、72時間から720時間以上までの塩水噴霧試験要件に合わせてご提供いたします。.
• レーザーマーキング。. 六角形部分に貴社のロゴ、部品番号、ロット番号をレーザー刻印し、完全なトレーサビリティを確保しています。.
• パッケージのカスタマイズ。. お客様のBOMに基づいたプライベートブランド用の箱、バーコードラベル、およびサイズが混在するキット。.

品質のトレーサビリティ

Every HENGHUA batch carries a traceable batch number. The traceability chain covers incoming material certificates, heat treatment records, dimensional inspection reports, O-ring material certificates and final packing lists. Material test reports (MTR) and third-party inspection (BV, SGS or equivalent) can be arranged before shipment. Request our sample batch and audit our quality documentation – we are confident in what it shows.

よくある質問

What is an ORFS male O-ring seal fitting?

It is a hydraulic fitting with a UNF male thread and an O-ring groove at the thread tip. The O-ring seals against the flat face of the mating port. The system follows SAE J1453 and ISO 8434-3.

Why does ORFS leak less than JIC?

ORFS seals with a compressed O-ring against a flat face, which tolerates scratches and surface imperfections. JIC seals with metal-to-metal 37 degree flare contact, which can weep under high impulse pressure. ORFS is the preferred connection for zero-leak requirements.

Is the O-ring included?

Yes. Every 14211-RW fitting ships with the matching O-ring pre-installed in the groove. Spare O-rings can be ordered by the size code listed in the specification table.

Which hose works with the 14211-RW fitting?

The 14211-RW version is designed for braided hydraulic hose such as SAE 100 R1AT, R2AT and EN 853 1SN / 2SN. For spiral-wound hose, use the 14212 series.

ステンレス製の製品も取り扱っていますか？

Yes. 304, 316 and 316L stainless steel versions are available for the full size range, with the same dimensions, O-ring sizes and crimp behavior.

最小注文数量はどれくらいですか？

在庫品の最小注文数量は100個からです。カスタマイズ品の最小注文数量は、サイズごとに500個からです。OEMの年間契約については、当社の工場チームと直接ご相談ください。.

Get a Quote for Your ORFS Male O-Ring Seal Fitting

Tell us your hose model, thread size and annual volume. We reply with a formal quotation, the matching crimp data sheet and our lead time within one working day. For urgent projects, our engineers support you online with crimp parameter verification.