BS/EN 4836-2018 pdf download.Aerospace series – Adaptor, Pipe coupling 24° Cone up to 35 000 kPa (5 080 psi) Ringlocked fitting – Reducer – Flareless End – Inch Series – Extra Fine Thread Pitch.
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
EN 2424, Aerospace series — Marking of aerospace products
EN 3311. Aerospace series — Titanium alloy Tl-P64001 (Ti-6A1.4V) — Annealed — Bar for machining
D <110mm
EN 3314, Aerospace series — Titanium alloy Tl-P64001, solution treated and aged; bar for machining
D≤75mm
EN 4315, Aerospace series — Heat resisting alloy FE-PA2601 (X6NICrT1MoV26-15) — Solution treated
and precipitation treated, bar and section a or D ≤ 100 mm, Rm  900 MPa
EN 4317, Aerospace series — Heat resisting alloy FE-PA2601 (X6N1CrTiMo V26- 15) — Non heat treated,
forging stock a or D ≤200 mm
EN 4832, Aerospace series — Pipe coupling 24°Cone up to 35000 kPa (5080 psi) Ring-locked fitting and Ring-locked fitting-reducer — Inch Series — Technical specification’)
EN 4835, Aerospace series — installation and removal requirements for Ring locked fitting and reducer, 24° Cone up to 35000 kPa (5080 psi) — Inch Series1)
EN 6123, Aerospace series — Fitting end, 24° internal cone, external thread, flareless type — Extra fine thread pitch — Inch series — Design standard
ISO 1302, Geometrical Product Specifications (GPS) — Indication of surface texture in technical product documentation
ISO 3161, Aerospace — UN] threads — General requirements and limit dimensions
ISO 4287, Geometrical Product Specification (GPS) — Surface texture: Profile method — Terms, definitions and surface texture parameters
ALMS 2486, Conversion coating of titanium alloys fluoride-phosphate type2)
AMS 2488, Anodic treatment — titanium and titanium alloys solution pH 13 or higher2) AMS 2700, Passivation of corrosion resistant steels2)
AMS 5731, Steel, corrosion and heat resistant, bars, forgings, tubing, and rings 15Cr 25.5N1 1.2Mo 2.1 Ti 0.0068 0.30V, consumable electrode melted, 1 800 °F (982 solution heat treated2)
AMS 5732. Steel, corrosion and heat restant. bars, wire, forgings, tubing and rings 15Cr 25.5Ni 1,2Mo 2.lTi 0.0068 0.30V consumable electrode melted, 1 800 °F (982 °C), solution and precipitation heat treated2)
AMS 5734, Steel, corrosion and heat resistant, bars, forgings, and tubing 1SCr25.5Ni 1.2Mo 2.lTi 0.0068 0.30V, consumable electrode melted, 1 650 °F (899 °C) solution heat treated2)
AMS 5737, Steel, corrosion and heat resistant. bars, wire, forgings and tubing 15Cr 25.5Ni I ,2Mo 2.1 TI 0.0068 0.30V, consumable electrode melted, 1 650 °F (899 °Cj, solution and precipitation heat treated2)
AMS 5853, Steel, corrosion and heat resistant. bars and wire 15Cr 25SN1 1.2Mo 2.lTi 0.0068 0.30V, consumable electrode melted 1 800°F (982 °C) solution treated and work-strengthened 160 ksi (1103 MPa) tensile strength2)
3 RequIrements
3.1 Configuration, dimensions, tolerances and mass
The configuration, dimensions, tolerances and mass shall conform to Figure 1 and Table 2.
Dimensions are expressed in millimetres (inch).
Unless otherwise specified, the following tolerances are applicable:
— linear dimensions ±0,13mm (±0.0050 inch);
— angular tolerances ±0 degrees° 30 minutes’;
— break edges 0.08 mm to 0,38 mm (0.003 0 Inch to 0.0 15 0 inch).
3.2 Material, heat and surface treatment
The ni terial, heat and surface trt.itment shall be In accordance with Table 1.
3.3 Surface texture
3.3.1 General
Surface texture shall be in accordance with ISO 4287.
Symbols shall be in accordance with Iso 1302.
3.3.2 Surface roughness
Unless otherwise specified, the following surface roughness Is applicable:
— machined surlaces shall be 3.175 m (125 iiin) Ramax;
— sealing surface shall be 1,6 urn (63 iiin) Ramax.
3.4 Sealing areas
Sealing surfaces shall have no visible defects.
3.5 Installation
Fitting assembly shall be installed according to EN 4835 (equivalent to AS5551).
4 Quality assurance
Responsibility for Inspection
Unless otherwise specified in the contract or purchase order, the supplier is responsible for carrying out all inspections as required in this standard and qualification tests in accordance with the requirements of EN 9133 and EN 4832.
The manufacturer’s operations shall be an approved production organisatlon for aerospace products and shall demonstrate that it has implemented and is able to maintain a quality system (e.g. according to EN 9100 or another in aerospace accepted and established quality management system).
Unless otherwise specified, the supplier may use his own facilities or any commercial laboratory acceptable to the procuring activity. The purchaser reserves the right to perform any of the inspections set out in the procurement specification where such inspections are deemed necessary to ensure that supplies and services conform to specified requirements.BS/EN 4836-2018 pdf download.