HAMMER UNIONS Hammer Unions 2,000 psi cwp – 3,000 psi test 211 q FIGURE Insulating Union
Threaded Ends Gray Nut/Light Blue Subs
Size NPS Dn
1
25
A
B C
Insulating union. Laminated rings provide electrical isolation from galvanic corrosion, with a total of 35 million ohms resistance. An O-Ring in male sub and a seal ring in female sub provide primary and secondary seals. All seal rings are field replaceable.
Item
2
50
Unit Weight
A in
B mm
in
C mm
in
TPI Material
lbs
kg
mm
Union Complete
2.34
1.06
Nut
1.42
0.64
Male Sub
0.40
6 0.18 2.830 71.88 1.560 39.62 4.660 118.36 STD
Female Sub
0.52
0.24
Seal Ring Kit
–
–
Union Complete
6.24
2.83
Nut
2.96
1.34
Male Sub
1.42
6 0.64 3.510 89.15 2.880 73.15 6.250 158.75 STD
Female Sub
1.86
0.84
Seal Ring Kit
–
–
Nuts Subs
SF
SF
SF
SF
Warnings: 1. Do not make up or break out Unions in pressurized lines. 2. Always use good safety practices, including use of safety glasses, when making up or breaking out Unions. TPI = Threads per inch
SF = Steel Forging
PROJECT INFORMATION
APPROVAL STAMP
Contractor:
q Approved q Approved as noted q Not approved
Engineer:
Remarks:
Project: Address:
Submittal Date: Notes 1: Notes 2: PF-11.16
HAMMER UNIONS
Material
Interchangeability:
Full Range of End Connections:
ASTM A29, A105
All Catawissa Oilfield Unions are machined to rigid quality standards ensuring that like components of the same size, figure number and pressure rating are fully interchangeable in the field. Catawissa Oilfield Unions are interchangeable with most leading union manufacturers.
Catawissa Oilfield Hammer Unions are available in threaded ends, as well as buttweld and non-pressure seal ends. When you choose Catawissa you receive the utmost in quality, the widest selection and unmatched on-time deliveries.
Full Traceability: All Catawissa Oilfield Hammer Unions are fully traceable and are available with complete mill certifications upon request.
PF-11.16
HAMMER UNIONS Catawissa Quick Reference Chart STANDARD SERVICE
PF-11.16
Fig No.
CWP
TEST
100
1,000
200
API Color Code SUB
NUT
1,500
Yellow
Black
2,000
3,000
Gray
Blue
206
2,000
3,000
Gray
Blue
211
2,000
3,000
Light Blue
Gray
300
2,000
3,000
Yellow
Gray
301
3,000
4,500
Green
Black
400
4,000
6,000
Red
Black
602
6,000
9,000
Orange
Black
607
6,000
9,000
Silver
Yellow
1502
15,000
22,500
Red
Blue
Pipe Size (in.) 1"
1¼"
1½"
2"
2½"
3"
4"
6"