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Parker's two ferrule compression fittings, A-LOK® Series Union Cross Tube Fittings are designed for leak-free connections in process instrumentation and industrial applications.
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Products | Materials of Construction | Options | Specifications Met | Tube Outside Diameter | Materials of Construction | Options | Specifications Met | Tube Outside Diameter |
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14ECR14-M-NC | Monel 400 | n/a | NACE | 7/8" (O.D.) | 1__Monel 400 __1 | 2__n/a __2 | 3__NACE __3 | 4__7/8 (O.D.) __4 |
12ECR12-M-NC | Monel 400 | n/a | NACE | 3/4" (O.D.) | 1__Monel 400 __1 | 2__n/a __2 | 3__NACE __3 | 4__3/4 (O.D.) __4 |
10ECR10-M-NC | Monel 400 | n/a | NACE | 5/8" (O.D.) | 1__Monel 400 __1 | 2__n/a __2 | 3__NACE __3 | 4__5/8 (O.D.) __4 |
8ECR8-M-NC | Monel 400 | n/a | NACE | 1/2" (O.D.) | 1__Monel 400 __1 | 2__n/a __2 | 3__NACE __3 | 4__1/2 (O.D.) __4 |
6ECR6-M-NC | Monel 400 | n/a | NACE | 3/8" (O.D.) | 1__Monel 400 __1 | 2__n/a __2 | 3__NACE __3 | 4__3/8 (O.D.) __4 |
5ECR5-M-NC | Monel 400 | n/a | NACE | 5/16" (O.D.) | 1__Monel 400 __1 | 2__n/a __2 | 3__NACE __3 | 4__5/16 (O.D.) __4 |
4ECR4-M-NC | Monel 400 | n/a | NACE | 1/4" (O.D.) | 1__Monel 400 __1 | 2__n/a __2 | 3__NACE __3 | 4__1/4 (O.D.) __4 |
3ECR3-M-NC | Monel 400 | n/a | NACE | 3/16" (O.D.) | 1__Monel 400 __1 | 2__n/a __2 | 3__NACE __3 | 4__3/16 (O.D.) __4 |
2ECR2-M-NC | Monel 400 | n/a | NACE | 1/8" (O.D.) | 1__Monel 400 __1 | 2__n/a __2 | 3__NACE __3 | 4__1/8 (O.D.) __4 |
16ECR16-NNR-NC | Alloy C-276 | n/a | NACE | 1" (O.D.) | 1__Alloy C-276 __1 | 2__n/a __2 | 3__NACE __3 | 4__1 (O.D.) __4 |
14ECR14-NNR-NC | Alloy C-276 | n/a | NACE | 7/8" (O.D.) | 1__Alloy C-276 __1 | 2__n/a __2 | 3__NACE __3 | 4__7/8 (O.D.) __4 |
12ECR12-NNR-NC | Alloy C-276 | n/a | NACE | 3/4" (O.D.) | 1__Alloy C-276 __1 | 2__n/a __2 | 3__NACE __3 | 4__3/4 (O.D.) __4 |
10ECR10-NNR-NC | Alloy C-276 | n/a | NACE | 5/8" (O.D.) | 1__Alloy C-276 __1 | 2__n/a __2 | 3__NACE __3 | 4__5/8 (O.D.) __4 |
8ECR8-NNR-NC | Alloy C-276 | n/a | NACE | 1/2" (O.D.) | 1__Alloy C-276 __1 | 2__n/a __2 | 3__NACE __3 | 4__1/2 (O.D.) __4 |
6ECR6-NNR-NC | Alloy C-276 | n/a | NACE | 3/8" (O.D.) | 1__Alloy C-276 __1 | 2__n/a __2 | 3__NACE __3 | 4__3/8 (O.D.) __4 |
14ECR14-T | Titanium | n/a | n/a | 7/8" (O.D.) | 1__Titanium __1 | 2__n/a __2 | 3__n/a __3 | 4__7/8 (O.D.) __4 |
3ECR3-T-NC | Titanium | n/a | NACE | 3/16" (O.D.) | 1__Titanium __1 | 2__n/a __2 | 3__NACE __3 | 4__3/16 (O.D.) __4 |
12ECR12-T | Titanium | n/a | n/a | 3/4" (O.D.) | 1__Titanium __1 | 2__n/a __2 | 3__n/a __3 | 4__3/4 (O.D.) __4 |
8ECR8-T | Titanium | n/a | n/a | 1/2" (O.D.) | 1__Titanium __1 | 2__n/a __2 | 3__n/a __3 | 4__1/2 (O.D.) __4 |
12ECR12-6MO-NSK | 6Mo | n/a | NORSOK M650 | 3/4" (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NORSOK M650 __3 | 4__3/4 (O.D.) __4 |
10ECR10-6MO-NSK | 6Mo | n/a | NORSOK M650 | 5/8" (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NORSOK M650 __3 | 4__5/8 (O.D.) __4 |
8ECR8-6MO-NSK | 6Mo | n/a | NORSOK M650 | 1/2" (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NORSOK M650 __3 | 4__1/2 (O.D.) __4 |
6ECR6-6MO-NSK | 6Mo | n/a | NORSOK M650 | 3/8" (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NORSOK M650 __3 | 4__3/8 (O.D.) __4 |
5ECR5-6MO-NSK | 6Mo | n/a | NORSOK M650 | 5/16" (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NORSOK M650 __3 | 4__5/16 (O.D.) __4 |
4ECR4-6MO-NSK | 6Mo | n/a | NORSOK M650 | 1/4" (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NORSOK M650 __3 | 4__1/4 (O.D.) __4 |
3ECR3-6MO-NSK | 6Mo | n/a | NORSOK M650 | 3/16" (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NORSOK M650 __3 | 4__3/16 (O.D.) __4 |
14ECR14-6MO-NSK | 6Mo | n/a | NORSOK M650 | 7/8" (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NORSOK M650 __3 | 4__7/8 (O.D.) __4 |
2ECR2-6MO-NSK | 6Mo | n/a | NORSOK M650 | 1/8" (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NORSOK M650 __3 | 4__1/8 (O.D.) __4 |
ECRM16-6MO-NC-NSK | 6Mo | n/a | NACE | 16 mm (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NACE __3 | 4__16 mm (O.D.) __4 |
ECRM12-6MO-NC-NSK | 6Mo | n/a | NACE | 12 mm (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NACE __3 | 4__12 mm (O.D.) __4 |
ECRM10-6MO-NC-NSK | 6Mo | n/a | NACE | 10 mm (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NACE __3 | 4__10 mm (O.D.) __4 |
ECRM8-6MO-NC-NSK | 6Mo | n/a | NACE | 8 mm (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NACE __3 | 4__8 mm (O.D.) __4 |
ECRM6-6MO-NC-NSK | 6Mo | n/a | NACE | 6 mm (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NACE __3 | 4__6 mm (O.D.) __4 |
ECRM4-6MO-NC-NSK | 6Mo | n/a | NACE | 4 mm (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NACE __3 | 4__4 mm (O.D.) __4 |
ECRM3-6MO-NC-NSK | 6Mo | n/a | NACE | 3 mm (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NACE __3 | 4__3 mm (O.D.) __4 |
ECRM18-6MO-NC-NSK | 6Mo | n/a | NACE | 18 mm (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NACE __3 | 4__18 mm (O.D.) __4 |
16ECR16-6MO-NSK | 6Mo | n/a | NORSOK M650 | 1" (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NORSOK M650 __3 | 4__1 (O.D.) __4 |
ECRM3-6MO-NSK | 6Mo | n/a | NORSOK M650 | 3 mm (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NORSOK M650 __3 | 4__3 mm (O.D.) __4 |
ECRM4-6MO-NSK | 6Mo | n/a | NORSOK M650 | 4 mm (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NORSOK M650 __3 | 4__4 mm (O.D.) __4 |
6ECR6-T | Titanium | n/a | n/a | 3/8" (O.D.) | 1__Titanium __1 | 2__n/a __2 | 3__n/a __3 | 4__3/8 (O.D.) __4 |
5ECR5-T | Titanium | n/a | n/a | 5/16" (O.D.) | 1__Titanium __1 | 2__n/a __2 | 3__n/a __3 | 4__5/16 (O.D.) __4 |
4ECR4-T | Titanium | n/a | n/a | 1/4" (O.D.) | 1__Titanium __1 | 2__n/a __2 | 3__n/a __3 | 4__1/4 (O.D.) __4 |
3ECR3-T | Titanium | n/a | n/a | 3/16" (O.D.) | 1__Titanium __1 | 2__n/a __2 | 3__n/a __3 | 4__3/16 (O.D.) __4 |
2ECR2-T | Titanium | n/a | n/a | 1/8" (O.D.) | 1__Titanium __1 | 2__n/a __2 | 3__n/a __3 | 4__1/8 (O.D.) __4 |
16ECR16-M | Monel 400 | n/a | n/a | 1" (O.D.) | 1__Monel 400 __1 | 2__n/a __2 | 3__n/a __3 | 4__1 (O.D.) __4 |
14ECR14-M | Monel 400 | n/a | n/a | 7/8" (O.D.) | 1__Monel 400 __1 | 2__n/a __2 | 3__n/a __3 | 4__7/8 (O.D.) __4 |
12ECR12-M | Monel 400 | n/a | n/a | 3/4" (O.D.) | 1__Monel 400 __1 | 2__n/a __2 | 3__n/a __3 | 4__3/4 (O.D.) __4 |
10ECR10-M | Monel 400 | n/a | n/a | 5/8" (O.D.) | 1__Monel 400 __1 | 2__n/a __2 | 3__n/a __3 | 4__5/8 (O.D.) __4 |
8ECR8-M | Monel 400 | n/a | n/a | 1/2" (O.D.) | 1__Monel 400 __1 | 2__n/a __2 | 3__n/a __3 | 4__1/2 (O.D.) __4 |
8ECR8-TTZ | Titanium | Supercased 825 Back Ferrule | n/a | 1/2" (O.D.) | 1__Titanium __1 | 2__Supercased 825 Back Ferrule __2 | 3__n/a __3 | 4__1/2 (O.D.) __4 |
ECRM18-6MO-NSK | 6Mo | n/a | NORSOK M650 | 18 mm (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NORSOK M650 __3 | 4__18 mm (O.D.) __4 |
ECRM16-6MO-NSK | 6Mo | n/a | NORSOK M650 | 16 mm (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NORSOK M650 __3 | 4__16 mm (O.D.) __4 |
ECRM12-6MO-NSK | 6Mo | n/a | NORSOK M650 | 12 mm (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NORSOK M650 __3 | 4__12 mm (O.D.) __4 |
ECRM10-6MO-NSK | 6Mo | n/a | NORSOK M650 | 10 mm (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NORSOK M650 __3 | 4__10 mm (O.D.) __4 |
ECRM8-6MO-NSK | 6Mo | n/a | NORSOK M650 | 8 mm (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NORSOK M650 __3 | 4__8 mm (O.D.) __4 |
ECRM6-6MO-NSK | 6Mo | n/a | NORSOK M650 | 6 mm (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NORSOK M650 __3 | 4__6 mm (O.D.) __4 |
10ECR10-T | Titanium | n/a | n/a | 5/8" (O.D.) | 1__Titanium __1 | 2__n/a __2 | 3__n/a __3 | 4__5/8 (O.D.) __4 |
16ECR16-6MO-NC-NSK | 6Mo | n/a | NACE | 1" (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NACE __3 | 4__1 (O.D.) __4 |
4ECR4-T-NC | Titanium | n/a | NACE | 1/4" (O.D.) | 1__Titanium __1 | 2__n/a __2 | 3__NACE __3 | 4__1/4 (O.D.) __4 |
6ECR6-T-NC | Titanium | n/a | NACE | 3/8" (O.D.) | 1__Titanium __1 | 2__n/a __2 | 3__NACE __3 | 4__3/8 (O.D.) __4 |
ECRM16-S-NC | Steel | n/a | NACE | 16 mm (O.D.) | 1__Steel __1 | 2__n/a __2 | 3__NACE __3 | 4__16 mm (O.D.) __4 |
ECRM12-S-NC | Steel | n/a | NACE | 12 mm (O.D.) | 1__Steel __1 | 2__n/a __2 | 3__NACE __3 | 4__12 mm (O.D.) __4 |
ECRM10-S-NC | Steel | n/a | NACE | 10 mm (O.D.) | 1__Steel __1 | 2__n/a __2 | 3__NACE __3 | 4__10 mm (O.D.) __4 |
ECRM8-S-NC | Steel | n/a | NACE | 8 mm (O.D.) | 1__Steel __1 | 2__n/a __2 | 3__NACE __3 | 4__8 mm (O.D.) __4 |
ECRM6-S-NC | Steel | n/a | NACE | 6 mm (O.D.) | 1__Steel __1 | 2__n/a __2 | 3__NACE __3 | 4__6 mm (O.D.) __4 |
ECRM4-S-NC | Steel | n/a | NACE | 4 mm (O.D.) | 1__Steel __1 | 2__n/a __2 | 3__NACE __3 | 4__4 mm (O.D.) __4 |
ECRM3-S-NC | Steel | n/a | NACE | 3 mm (O.D.) | 1__Steel __1 | 2__n/a __2 | 3__NACE __3 | 4__3 mm (O.D.) __4 |
ECRM18-S-NC | Steel | n/a | NACE | 18 mm (O.D.) | 1__Steel __1 | 2__n/a __2 | 3__NACE __3 | 4__18 mm (O.D.) __4 |
ECRM18-316-NC | Stainless Steel AISI 316 | n/a | NACE | 18 mm (O.D.) | 1__Stainless Steel AISI 316 __1 | 2__n/a __2 | 3__NACE __3 | 4__18 mm (O.D.) __4 |
ECRM10-M | Monel 400 | n/a | n/a | 10 mm (O.D.) | 1__Monel 400 __1 | 2__n/a __2 | 3__n/a __3 | 4__10 mm (O.D.) __4 |
ECRM8-M | Monel 400 | n/a | n/a | 8 mm (O.D.) | 1__Monel 400 __1 | 2__n/a __2 | 3__n/a __3 | 4__8 mm (O.D.) __4 |
ECRM6-M | Monel 400 | n/a | n/a | 6 mm (O.D.) | 1__Monel 400 __1 | 2__n/a __2 | 3__n/a __3 | 4__6 mm (O.D.) __4 |
ECRM4-M | Monel 400 | n/a | n/a | 4 mm (O.D.) | 1__Monel 400 __1 | 2__n/a __2 | 3__n/a __3 | 4__4 mm (O.D.) __4 |
ECRM3-M | Monel 400 | n/a | n/a | 3 mm (O.D.) | 1__Monel 400 __1 | 2__n/a __2 | 3__n/a __3 | 4__3 mm (O.D.) __4 |
ECRM18-NNR | Alloy C-276 | n/a | n/a | 18 mm (O.D.) | 1__Alloy C-276 __1 | 2__n/a __2 | 3__n/a __3 | 4__18 mm (O.D.) __4 |
ECRM16-NNR | Alloy C-276 | n/a | n/a | 16 mm (O.D.) | 1__Alloy C-276 __1 | 2__n/a __2 | 3__n/a __3 | 4__16 mm (O.D.) __4 |
ECRM16-316-NC | Stainless Steel AISI 316 | n/a | NACE | 16 mm (O.D.) | 1__Stainless Steel AISI 316 __1 | 2__n/a __2 | 3__NACE __3 | 4__16 mm (O.D.) __4 |
ECRM3-6MO-NC | 6Mo | n/a | NACE | 3 mm (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NACE __3 | 4__3 mm (O.D.) __4 |
ECRM4-6MO-NC | 6Mo | n/a | NACE | 4 mm (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NACE __3 | 4__4 mm (O.D.) __4 |
ECRM6-6MO-NC | 6Mo | n/a | NACE | 6 mm (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NACE __3 | 4__6 mm (O.D.) __4 |
ECRM8-825-NC | Alloy 825 | n/a | NACE | 8 mm (O.D.) | 1__Alloy 825 __1 | 2__n/a __2 | 3__NACE __3 | 4__8 mm (O.D.) __4 |
ECRM6-825-NC | Alloy 825 | n/a | NACE | 6 mm (O.D.) | 1__Alloy 825 __1 | 2__n/a __2 | 3__NACE __3 | 4__6 mm (O.D.) __4 |
ECRM4-825-NC | Alloy 825 | n/a | NACE | 4 mm (O.D.) | 1__Alloy 825 __1 | 2__n/a __2 | 3__NACE __3 | 4__4 mm (O.D.) __4 |
ECRM3-825-NC | Alloy 825 | n/a | NACE | 3 mm (O.D.) | 1__Alloy 825 __1 | 2__n/a __2 | 3__NACE __3 | 4__3 mm (O.D.) __4 |
ECRM18-625-NC | Alloy 625 | n/a | NACE | 18 mm (O.D.) | 1__Alloy 625 __1 | 2__n/a __2 | 3__NACE __3 | 4__18 mm (O.D.) __4 |
ECRM16-625-NC | Alloy 625 | n/a | NACE | 16 mm (O.D.) | 1__Alloy 625 __1 | 2__n/a __2 | 3__NACE __3 | 4__16 mm (O.D.) __4 |
ECRM12-625-NC | Alloy 625 | n/a | NACE | 12 mm (O.D.) | 1__Alloy 625 __1 | 2__n/a __2 | 3__NACE __3 | 4__12 mm (O.D.) __4 |
ECRM10-625-NC | Alloy 625 | n/a | NACE | 10 mm (O.D.) | 1__Alloy 625 __1 | 2__n/a __2 | 3__NACE __3 | 4__10 mm (O.D.) __4 |
ECRM8-625-NC | Alloy 625 | n/a | NACE | 8 mm (O.D.) | 1__Alloy 625 __1 | 2__n/a __2 | 3__NACE __3 | 4__8 mm (O.D.) __4 |
ECRM6-625-NC | Alloy 625 | n/a | NACE | 6 mm (O.D.) | 1__Alloy 625 __1 | 2__n/a __2 | 3__NACE __3 | 4__6 mm (O.D.) __4 |
ECRM4-625-NC | Alloy 625 | n/a | NACE | 4 mm (O.D.) | 1__Alloy 625 __1 | 2__n/a __2 | 3__NACE __3 | 4__4 mm (O.D.) __4 |
ECRM3-625-NC | Alloy 625 | n/a | NACE | 3 mm (O.D.) | 1__Alloy 625 __1 | 2__n/a __2 | 3__NACE __3 | 4__3 mm (O.D.) __4 |
ECRM18-6MO-NC | 6Mo | n/a | NACE | 18 mm (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NACE __3 | 4__18 mm (O.D.) __4 |
ECRM16-6MO-NC | 6Mo | n/a | NACE | 16 mm (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NACE __3 | 4__16 mm (O.D.) __4 |
ECRM12-6MO-NC | 6Mo | n/a | NACE | 12 mm (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NACE __3 | 4__12 mm (O.D.) __4 |
ECRM10-6MO-NC | 6Mo | n/a | NACE | 10 mm (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NACE __3 | 4__10 mm (O.D.) __4 |
ECRM8-6MO-NC | 6Mo | n/a | NACE | 8 mm (O.D.) | 1__6Mo __1 | 2__n/a __2 | 3__NACE __3 | 4__8 mm (O.D.) __4 |
ECRM12-NNR | Alloy C-276 | n/a | n/a | 12 mm (O.D.) | 1__Alloy C-276 __1 | 2__n/a __2 | 3__n/a __3 | 4__12 mm (O.D.) __4 |
5ECR5-T-NC | Titanium | n/a | NACE | 5/16" (O.D.) | 1__Titanium __1 | 2__n/a __2 | 3__NACE __3 | 4__5/16 (O.D.) __4 |
ECRM10-NNR | Alloy C-276 | n/a | n/a | 10 mm (O.D.) | 1__Alloy C-276 __1 | 2__n/a __2 | 3__n/a __3 | 4__10 mm (O.D.) __4 |