BSP Male 60° Cone Seat Fitting: 12611-PO Series

Why This BSP Male 60° Cone Seat Fitting Passes the Compliance Gate

A BSP male 60° cone seat fitting terminates a braided hydraulic hose in a male G-threaded stud whose tip carries an internal 60° cone seat. It is the male half of the BSPP 60° cone connection: a female swivel fitting with a 60° cone (as on our 22611-PO series) is screwed onto the male thread, and its cone is drawn into this fitting’s cone seat to form a metal-to-metal seal. The 12611-PO series from HENGHUA is the PO program execution of the male cone seat line, covering five part numbers from -04 to -12 with G-series parallel threads from G1/4″ to G3/4″. Every unit is cold-forged from carbon steel, heat-treated, plated, and 100% pressure tested before shipment. For OEM buyers this fitting is a compliance gate; for maintenance teams it is the male cone seat termination that turns a hose end into the stud side of a BSP 60° cone joint.

• Internal 60° cone seat: the tip of the male thread carries a machined internal (concave) 60° cone seat. When a female swivel 60° cone end is tightened onto the thread, the mating cone seats into this recess and the two metal faces seal without an O-ring.
• BSPP G thread: the thread is parallel (G series, ISO 228-1) and only holds the connection; the cone seat does the sealing. G threads must never be interchanged with BSPT taper threads, which seal by thread interference.
• Wrenching hexagon: the drawing shows one hexagon, S1, between the threaded section and the hose tail, so the fitting can be held firmly while the female nut is torqued against it.
• Five fast-moving sizes: -04 to -12 with G1/4″ to G3/4″ threads covers the small and medium bore range that dominates BSP circuits, and pairs size-for-size with the 22611-PO female swivel line.
• Comprobación de la compuerta del fabricante original (OEM): full dimensional and material conformance with G thread form per ISO 228-1, with material test reports (MTR) available for every batch.

Ventajas principales

1. The cone seat side of the joint: if your circuit mates female swivel 60° cone ends, this fitting provides the matching male thread and cone seat, so the hose assembly carries the stud side of the connection.
2. Metal-to-metal cone seal: the cone-to-seat contact seals without washers or O-rings in the standard version, removing a soft element from the pressure path.
3. Five part numbers cover the fast movers: a stockist can hold the whole 12611-PO male line for small and medium bore BSP service in a single drawer, from G1/4″ to G3/4″.
4. Single hexagon for installation: the S1 hex sits between thread and tail, giving a solid wrenching point when you tighten the mating female nut.
5. Opciones de ensayo de niebla salina de 96 a 1.000 h: zinc trivalente (96 h), zinc-níquel (720 h) o Dacromet (1000 h), según el entorno de uso.

Especificaciones técnicas

What Is This BSP Male 60° Cone Seat Fitting?

This BSP male 60° cone seat fitting terminates a braided hose in the male stud side of the BSP 60° cone connection. The port end is a male parallel G thread (G series, thread form per ISO 228-1); at the tip of the thread, the fitting carries a machined internal (concave) 60° cone seat. The other end is a serrated hose tail that is crimped onto the hose. When a female swivel fitting with a 60° cone is tightened onto the male thread, the mating cone is drawn into this fitting’s internal cone seat and the two metal faces meet in a metal-to-metal seal. The G thread is parallel and does not seal by interference; it only pulls the cone into the seat. This is why a 60° cone seat must never be paired with a BSPT taper thread, which seals by thread interference instead.

The 12611-PO is the PO program execution of the male cone seat line. The -PO suffix marks this variant program on the factory drawing; the five part numbers in the table are the standard executions of the series, machined to the stem geometry on the -PO drawing. The PO male line pairs size-for-size with the 22611-PO female swivel series in the same program: when you build a hose assembly with a 22611-PO female end, the matching 12611-PO male end carries the stud side of the next joint. Buying both halves from the same program means the cone geometry, thread sizes, and seal faces are matched by design.

Use this male fitting when the mating component is a female swivel 60° cone end. The single hexagon S1 sits between the threaded section and the hose tail, giving a firm wrenching point while the female nut is torqued. The serrated hose tail is engineered for a crimped termination; confirm your exact hose construction with our engineers and the matching crimp data sheet is supplied with the order.

Datos dimensionales y roscas

Full dimension drawings with A, C, and S1 callouts are supplied as PDF and CAD (STEP/DWG) files. Because this is a crimp fitting, the two process-critical parameters are the hose insert depth and the crimp outside diameter; both are hose-series specific and are listed in the crimp data sheet that accompanies every order.

Tabla completa de dimensiones (matriz de referencias) {#by-tamaño-de-rosca}

Read the table with your BSPP thread (E) and your hose size (dash). The part number is the order code; copy it directly into your inquiry or purchase order. The pattern is 12611-[thread dash]-[hose dash]PO: for example, 12611-12-12PO has a G3/4″ thread and suits a -12 (20 mm) hose.

The dimensions shown are the standard executions of the 12611-PO series as drawn on the factory specification sheet. If your hose construction needs a different stem profile, a custom BSP male 60° cone seat fitting is machined on request.

Select by Hose Dash Size {#by-hose-size}

Match your hose bore first, then confirm the thread for that bore:

Material y tratamiento térmico

El forjado en frío conserva el sentido de las fibras del acero, lo que aumenta la resistencia a la fatiga ante las pulsaciones de presión. Cada lote sometido a tratamiento térmico se somete a pruebas de dureza y se registra, por lo que el valor de dureza que figura en el certificado de material (MTR) coincide con el de las piezas que recibes.

Presión de trabajo

Las características técnicas exactas de la combinación de tu número de referencia y manguera se confirman en la ficha técnica y por parte de nuestros ingenieros antes del envío.

Ámbito de funcionamiento de presión y temperatura

The steel cone seat and body hold full rated pressure across the whole temperature window. In a crimped assembly the working pressure is governed by the weakest component, normally the hose; use the hose derating curve for the system, and the fitting will not be the limiting part.

Selección y pedido

The 12611-PO BSP male 60° cone seat fitting series covers the male stud side of BSP hydraulic hose fittings for the small and medium bore range, so most orders can be placed directly from the table above.

BSPP Thread Size Chart

Use this chart to identify the thread on your port. BSPP G threads are parallel; they are identified by measuring the thread outside diameter and counting the threads per inch.

Cross Reference Service {#by-oem-part-number}

Most maintenance teams buy against a legacy part number printed on the old drawing. Send us the OEM or distributor part number you currently use, with a photo of the fitting if possible. Our engineers identify the thread, the cone seat geometry, the hose size, and the body configuration, then confirm the exact 12611-PO equivalent before you place the order. The service covers 60° cone fittings, BSP hydraulic hose fittings, and the male stud ends of your inventory, and interchange confirmation is free. The cross reference sheet is returned in PDF for your records.

Embalaje y logística

Guía de montaje y uso

Procedimiento de engastado en cuatro pasos

1. Corta la manguera en ángulo recto: use a hose cutter, never a hacksaw or an angle grinder. A square, clean end is the precondition for a uniform ferrule grip.
2. Marca la profundidad de inserción: read the insert depth for your hose series from the crimp data sheet and mark the line on the hose cover.
3. Lubricar e introducir: apply a thin film of assembly lubricant to the stem and the hose bore, then push the fitting into the hose until the mark meets the ferrule.
4. Engarzar y comprobar: select the die per the crimp table, crimp in one continuous stroke, then measure the crimp outside diameter with a caliper and compare with the tolerance.

Connecting the 60° Cone Seat End

On the BSP male 60° cone seat fitting, clean the internal cone seat and the cone of the mating female swivel fitting with a lint-free cloth. Hold the S1 hexagon with a wrench and thread the female nut onto the male G thread by hand until the cone touches the seat, then tighten to the torque listed for the thread size. The 60° cone contact does the sealing, so no sealant is applied to the cone faces. If your circuit uses the O-ring variant of the 60° cone family, fit the correct O-ring before assembly; do not mix the O-ring and plain cone versions.

Advertencias sobre la instalación

• ❌ Nunca mezcles racores y casquillos de diferentes proveedores, aunque las medidas de la rosca y de la manguera parezcan idénticas. La geometría del vástago, la dureza del casquillo y los parámetros de engarzado difieren, y una unión mixta presentará fugas o se soltará bajo presión.
• ❌ Never confuse G (BSPP parallel) threads with R (BSPT taper) threads. A G thread with a 60° cone seat seals by cone contact; a taper thread seals by thread interference and needs sealant. The two are not interchangeable.
• ❌ Never match a cone seat to a scratched or pitted mating cone. The metal-to-metal seal needs an undamaged sealing surface on both sides.
• ❌ Never crimp without the matching crimp data sheet. An under-crimped joint weeps, and an over-crimped joint damages the hose reinforcement.
• ❌ Never recrimp a fitting after a failed attempt, and never reuse a fitting removed from a hose.
• ✔ Tras el montaje, somete el circuito a una prueba de presión a 1,5 veces la presión de servicio y comprueba que no haya fugas en todas las uniones.

Personalización OEM y trazabilidad de la calidad

Opciones de personalización

• Personalización del tamaño y la rosca: non-standard G thread and hose combinations and special stem lengths machined to your drawing.
• Personalización del tratamiento superficial: zinc trivalente (96 h), zinc-níquel (720 h) o Dacromet (1000 h), según las condiciones ambientales y las especificaciones de corrosión.
• Marcado láser: su logotipo, el número de pieza y el código de lote marcados con láser en el hexágono para garantizar una trazabilidad completa.
• Opciones de materiales: Acero inoxidable 304/316L para circuitos químicos, marinos y en contacto con alimentos, con certificados de pasivación.

Sistema de calidad y trazabilidad

Cada lote sigue un proceso documentado: recepción del acero con certificado de fábrica → forjado en frío → mecanizado CNC → tratamiento térmico → recubrimiento → inspección de las dimensiones y del calibre de rosca 100% → prueba de presión → marcado láser → embalaje. El número de lote que figura en la caja de cartón remite al lote de materia prima, al registro de tratamiento térmico y al informe de inspección. Se facilitan informes de ensayo de materiales (MTR) con cada pedido previa solicitud, y se pueden tramitar informes de inspección de terceros (BV/SGS) antes del envío.

Preguntas frecuentes

Q: What is a BSP male 60° cone seat fitting? A: It is a crimp-on fitting for braided hose whose port end is a male parallel G thread (ISO 228-1); the tip of the thread carries an internal 60° cone seat that receives the cone of a female swivel 60° cone end.

Q: How does the connection seal? A: A female swivel fitting with a 60° cone is screwed onto the male thread, and the cone is drawn into the internal cone seat. The two metal faces meet in a metal-to-metal seal; the G thread only holds the connection.

Q: What is the difference between the 12611-PO and the wider 12611 series? A: Both are male BSPP 60° cone seat fittings with the same thread and cone geometry. The 12611-PO is the five-part-number program variant machined to the stem geometry on the -PO drawing, covering -04 to -12; the base 12611 series covers the full range from G1/8″ to G2″. Send us your part number and we will confirm which execution fits your hose.

Q: How does the 12611-PO pair with the 22611-PO female series? A: The 22611-PO female swivel fittings carry the nut with the internal G thread and the convex cone. The 12611-PO male fittings carry the external G thread and the concave cone seat that receives it. The two are the matching halves of the same PO program joint.

Q: Which hoses work with the 12611-PO series? A: The part numbers in the table suit braided hose from -04 to -12 (DN 6 to DN 20). Confirm your exact hose construction with our engineers, and the matching crimp data sheet will be supplied with the order.

P: ¿Podéis facilitarme los datos de engaste para mi manguera? A: Yes. Every order includes the crimp data sheet for your hose construction, with insert depth, crimp outside diameter, and die selection. Send us your hose series and brand, and our engineers will confirm the crimp parameters before shipment.

Solicitar un presupuesto

Tell us the BSPP thread, the hose dash size, the hose construction, and the annual quantity. Whether you need stock BSP hydraulic hose fittings for distribution or a custom 60° cone fitting for an OEM program, the quoting process is the same. For replacement orders, send the legacy part number and a photo, and our engineers will confirm the interchange before quoting. Every BSP male 60° cone seat fitting leaves the HENGHUA factory pressure-tested, batch-coded, and backed by a written warranty. Request your quote, crimp data sheet, or drawing pack today, and we will respond within 24 hours.