Straight unions male-female
(thread internal-external)

Turned brass from hexagonal drawn bars. SAE Flare 45°

Primary material: Drawn brass EN 12164

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

U3 straight unions m-f

Drawing Part number Connections A
(mm)
Hex
(mm)
    internal thread
(female)
external thread
(male)
   
U3 UP3-4 SAE 1/4"
7/16"-20 UNF
SAE 1/4"
7/16"-20 UNF
30,5 17
UR3-46 SAE 1/4"
7/16"-20 UNF
SAE 3/8"
5/8"-18 UNF
33 17
UR3-64 SAE 3/8"
5/8"-18 UNF
SAE 1/4"
7/16"-20 UNF
33 22
UP3-6 SAE 3/8"
5/8"-18 UNF
SAE 3/8"
5/8"-18 UNF
36 22
UR3-68 SAE 3/8"
5/8"-18 UNF
SAE 1/2"
3/4"-16 UNF
38 22
UR3-84 SAE 1/2"
3/4"-16 UNF
SAE 1/4"
7/16"-20 UNF
36 25
UR3-86 SAE 1/2"
3/4"-16 UNF
SAE 3/8"
5/8"-18 UNF
39 25
UP3-8 SAE 1/2"
3/4"-16 UNF
SAE 1/2"
3/4"-16 UNF
41 25
UR3-810 SAE 1/2"
3/4"-16 UNF
SAE 5/8"
7/8"-14 UNF
45 25
UR3-812 SAE 1/2"
3/4"-16 UNF
SAE 3/4"
1.1/16"-14 UNS
46,5 27
UR3-108 SAE 5/8"
7/8"-14 UNF
SAE 1/2"
3/4"-16 UNF
44 30
UR3-1012 SAE 5/8"
7/8"-14 UNF
SAE 3/4"
1.1/16"-14 UNS
49,5 30
UR3-128 SAE 3/4"
1.1/16"-14 UNS
SAE 1/2"
3/4"-16 UNF
45 34
UR3-1210 SAE 3/4"
1.1/16"-14 UNS
SAE 5/8"
7/8"-14 UNF
49 34