Swivel nuts

Hot forged brass with a copper insert. SAE Flare 45°

Primary material: Forged brass EN 12165, Copper grade Cu-DHP EN 12735-1

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

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)

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

US4 swivel nuts

Drawing Part number internal thread
(female)
L
(mm)
Hex
(mm)
Tightening torque
(Nm)
US4 US4-4 SAE 1/4"
7/16"-20 UNF
32 17 11 ÷ 14
US4-6 SAE 3/8"
5/8"-18 UNF
40 22 20 ÷ 25
US4-8 SAE 1/2"
3/4"-16 UNF
46 25 34 ÷ 47
US4-10 SAE 5/8"
7/8"-14 UNF
51 28 54 ÷ 75