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Straight access fittings (UC)

Straight access valves

Fittings SAE Flare 45°. Turned from brass hexagonal drawn bars

Primary material: Drawn brass EN 12164, Copper grade Cu-DHP EN 12735-1, Brazing alloy ISO 17672

Standard and regulation reference: PED 97/23/CE, RoHS 2002/95/CE, REACH Reg. 1907/2006, EN378-2:2008, SAE-FIT, SAE 45° J513-92, NPT ANSI B.1.20.1

Application: Suitable for air-conditioners and refrigerating systems that work with refrigerant proper to the group II Article 9, 2.2 of the PED Directive 97/23/CE, referring to the Directive 67/548/CEE. ( tested with the following: R12, R22, R134a, R404A, R407C, R410A, R502, R507, CO2 R744, R32 ). Not suitable for Ammonia R717

Working condition:
Max working pressure 45 bar (650 psi)
Temperature range -40°C to +150°C (-40°F to 300°F)

Recommended fitting condition:
Brazing temperature < 700°C (1300°F) for brass connections
Brazing temperature < 1000°C (1800°F) for copper tubes

Risk category according to Pressure Equipment Directive PED 97/23/CE: Article 3 Paragraph 3

Drawing Part number Side with
SAE Flare
Cu tube Ø A
UCX UC-01X50 1/4″ 6mm 76 Total
50 Copper tube
UC-01X100 1/4″ 6mm 126 Total
100 Copper tube

UCX union access fitting valves with copper tube brazed

The access fittings can be supplied with internal mechanisms and caps assembled.

Tube brazing connection I.D. internal diameter,  O.D. external diameter

Drawing Part number Side with
    SAE Flare O.D. I.D. Thread    
UC-01 UC-01 1/4″ 6mm 3/8" (9,52mm)   26 12
UC-02 UC-02 1/4″     SAE 1/4″ ext (male) 31 12
UC-03 UC-03 1/4″ 6mm 8mm
  30 12
UC-04 UC-4A 1/4″     NPT 1/8" ext (male) 28 12
UC-4B 1/4″     NPT 1/4" ext (male) 33 14
UC-4C 1/4″     NPT 3/8" ext (male) 38 17
UC-05 UC-05 1/4″ 5mm 1/4" (6,35mm)
3/8" (9,52mm)
  26 12
UC-06 UC-06 1/4″   6mm   26 12
UC-07 UC-07 5/16″   7mm
3/8" (9,52mm)
  27 14
UC-08 UC-08 5/16″   6mm
3/8" (9,52mm)
  27 14
UC-09 UC-09 1/4″ 1/4" (6,35mm) 3/8" (9,52mm)   26 12
UC-10 UC-10 1/4″     SAE 1/4″ int (female) 35 17


The access fittings can be supplied with internal mechanisms and caps assembled.

UC union access fitting valves