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    Home / Fasteners / Self-closing couplings; plug-in version

    Self-closing push-in couplings

    This category is dedicated to special couplings that close after disconnecting the hose thanks to a check valve. Self-closing clutches are used mainly in automotive air conditioning. We offer straight variants with several types of threads, L-clutch swivels and scotch clutches.

    Bestsellers

    Self-closing direct coupling external 8 mm - G1/4"
    287 Kč –4 %
    Self-closing direct coupling external 8 mm - G1/4"
    Stock (5 pcs)
    Code: SPCG-148
    Was: 287 Kč  (–4 %)
    273 Kč
    (226 Kč excl. VAT)
    Self-closing bulkhead coupling 12 mm
    889 Kč –4 %
    Self-closing bulkhead coupling 12 mm
    up to 14 days
    Code: SPMM-12
    Was: 889 Kč  (–4 %)
    845 Kč
    (698 Kč excl. VAT)
    Self-closing bulkhead coupling 10 mm
    644 Kč –4 %
    Self-closing bulkhead coupling 10 mm
    up to 14 days
    Code: SPMM-10
    Was: 644 Kč  (–4 %)
    612 Kč
    (506 Kč excl. VAT)
    Self-closing bulkhead coupling 8 mm
    534 Kč –5 %
    Self-closing bulkhead coupling 8 mm
    Stock (10 pcs)
    Code: SPMM-8
    Was: 534 Kč  (–5 %)
    507 Kč
    (419 Kč excl. VAT)
    Self-closing partition coupling 6 mm
    288 Kč –4 %
    Self-closing partition coupling 6 mm
    up to 14 days
    Code: SPMM-6
    Was: 288 Kč  (–4 %)
    274 Kč
    (226 Kč excl. VAT)
    Self-closing straight coupling 12 mm
    362 Kč –4 %
    Self-closing straight coupling 12 mm
    up to 14 days
    Code: SPUC-12
    Was: 362 Kč  (–4 %)
    344 Kč
    (284 Kč excl. VAT)
    Self-closing straight coupling 10 mm
    344 Kč –4 %
    Self-closing straight coupling 10 mm
    Stock (10 pcs)
    Code: SPUC-10
    Was: 344 Kč  (–4 %)
    327 Kč
    (270 Kč excl. VAT)
    Self-closing straight coupling 8 mm
    207 Kč –5 %
    Self-closing straight coupling 8 mm
    Stock (10 pcs)
    Code: SPUC-8
    Was: 207 Kč  (–5 %)
    196 Kč
    (162 Kč excl. VAT)
    Self-closing straight coupling 6 mm
    188 Kč –4 %
    Self-closing straight coupling 6 mm
    Stock (14 pcs)
    Code: SPUC-6
    Was: 188 Kč  (–4 %)
    179 Kč
    (148 Kč excl. VAT)
    Self-closing partition coupling 4 mm
    411 Kč –5 %
    Self-closing partition coupling 4 mm
    Stock (20 pcs)
    Code: SPMM-4
    Was: 411 Kč  (–5 %)
    390 Kč
    (322 Kč excl. VAT)
    Show more products
    44 items total
    Self-closing straight coupling 6 mm
    188 Kč –4 %
    Self-closing straight coupling 6 mm
    Stock (14 pcs)
    148 Kč excl. VAT
    179 Kč / pcs

    Special straight socket coupling with non-return valve for 6 mm hose. If the hose is inserted in the coupling, the coupling is through, otherwise it closes. Designed especially...

    Code: SPUC-6
    Self-closing direct coupling external 6 - R1/4"
    160 Kč –5 %
    Self-closing direct coupling external 6 - R1/4"
    Stock (10 pcs)
    126 Kč excl. VAT
    152 Kč / pcs

    Special straight fitting in socket design with non-return valve for 6 mm hose and R1/4" male tapered thread. If the hose is inserted in the coupling, the coupling is through,...

    Code: SPC-146
    Self-closing direct coupling external 10 - R1/4"
    330 Kč –5 %
    Self-closing direct coupling external 10 - R1/4"
    Stock (7 pcs)
    259 Kč excl. VAT
    313 Kč / pcs

    Special straight fitting in socket design with check valve for 10 mm hose and external tapered thread R1/4". If the hose is inserted in the coupling, the coupling is through,...

    Code: SPC-1410
    Self-closing direct coupling external 4 - R1/8"
    225 Kč –4 %
    Self-closing direct coupling external 4 - R1/8"
    Stock (10 pcs)
    177 Kč excl. VAT
    214 Kč / pcs

    Special straight fitting in socket design with check valve for 4 mm hose and R1/8" male tapered thread. If the hose is inserted in the coupling, the coupling is through,...

    Code: SPC-184
    Self-closing direct coupling external 6 mm - G1/4"
    259 Kč –5 %
    Self-closing direct coupling external 6 mm - G1/4"
    Stock (12 pcs)
    203 Kč excl. VAT
    246 Kč / pcs

    Special straight fitting in socket design with non-return valve for 6 mm hose and external pipe thread G1/4". If the hose is inserted in the coupling, the coupling is through,...

    Code: SPCG-146
    Self-closing direct coupling external 6 mm - G1/8"
    249 Kč –5 %
    Self-closing direct coupling external 6 mm - G1/8"
    Stock (7 pcs)
    195 Kč excl. VAT
    236 Kč / pcs

    Special straight fitting in socket design with non-return valve for 6 mm hose and external pipe thread G1/8". If the hose is inserted in the coupling, the coupling is through,...

    Code: SPCG-186
    Self-closing direct coupling external 8 - R1/4"
    261 Kč –4 %
    Self-closing direct coupling external 8 - R1/4"
    Stock (10 pcs)
    205 Kč excl. VAT
    248 Kč / pcs

    Special straight fitting in socket design with check valve for 8 mm hose and R1/4" male tapered thread. If the hose is inserted in the coupling, the coupling is through,...

    Code: SPC-148
    Self-closing straight coupling 4 mm
    230 Kč –5 %
    Self-closing straight coupling 4 mm
    Stock (8 pcs)
    180 Kč excl. VAT
    218 Kč / pcs

    Special straight socket coupling with check valve for 4 mm hose. If the hose is inserted in the coupling, the coupling is through, otherwise it closes. Designed especially for...

    Code: SPUC-4
    Self-closing straight coupling 8 mm
    207 Kč –5 %
    Self-closing straight coupling 8 mm
    Stock (10 pcs)
    162 Kč excl. VAT
    196 Kč / pcs

    Special straight socket coupling with check valve for 8 mm hose. If the hose is inserted in the coupling, the coupling is through, otherwise it closes. Designed especially for...

    Code: SPUC-8
    Self-closing direct coupling external 8 mm - G1/4"
    287 Kč –4 %
    Self-closing direct coupling external 8 mm - G1/4"
    Stock (5 pcs)
    226 Kč excl. VAT
    273 Kč / pcs

    Special straight fitting in socket design with check valve for 8 mm hose and external pipe thread G1/4". If the hose is inserted in the coupling, the coupling is through,...

    Code: SPCG-148
    Self-closing direct coupling external 10 mm - G1/4"
    363 Kč –4 %
    Self-closing direct coupling external 10 mm - G1/4"
    Stock (25 pcs)
    285 Kč excl. VAT
    345 Kč / pcs

    Special straight fitting in socket design with check valve for 10 mm hose and external pipe thread G1/4". If the hose is inserted in the coupling, the coupling is through,...

    Code: SPCG-1410
    Self-closing bulkhead coupling 8 mm
    534 Kč –5 %
    Self-closing bulkhead coupling 8 mm
    Stock (10 pcs)
    419 Kč excl. VAT
    507 Kč / pcs

    Special bulkhead socket coupling with check valve for 8 mm tubing. If the hose is inserted in the coupling, the coupling is through, otherwise it closes. Designed especially for...

    Code: SPMM-8
    Self-closing direct coupling external 10 - R1/2"
    398 Kč –5 %
    Self-closing direct coupling external 10 - R1/2"
    Stock (6 pcs)
    312 Kč excl. VAT
    378 Kč / pcs

    Special straight fitting in socket design with check valve for 10 mm tubing and R1/2" male tapered thread. If the hose is inserted in the coupling, the coupling is through,...

    Code: SPC-1210
    Self-closing direct coupling external 10 - R3/8"
    336 Kč –5 %
    Self-closing direct coupling external 10 - R3/8"
    Stock (6 pcs)
    264 Kč excl. VAT
    319 Kč / pcs

    Special straight fitting in socket design with check valve for 10 mm hose and external tapered thread R3/8". If the hose is inserted in the coupling, the coupling is through,...

    Code: SPC-3810
    Self-closing direct coupling external 4 - M5
    419 Kč –5 %
    Self-closing direct coupling external 4 - M5
    Stock (10 pcs)
    329 Kč excl. VAT
    398 Kč / pcs

    Special direct fitting in socket design with check valve for 4 mm tubing and M5 external metric thread. If the hose is inserted in the coupling, the coupling is through,...

    Code: SPC-M54
    Self-closing direct coupling external 8 - R3/8"
    327 Kč –4 %
    Self-closing direct coupling external 8 - R3/8"
    Stock (10 pcs)
    257 Kč excl. VAT
    311 Kč / pcs

    Special straight fitting in socket design with check valve for 8 mm hose and R3/8" male tapered thread. If the hose is inserted in the coupling, the coupling is through,...

    Code: SPC-388
    Self-closing l-coupling, rotatable external 4 mm - M5
    359 Kč –5 %
    Self-closing l-coupling, rotatable external 4 mm - M5
    Stock (17 pcs)
    282 Kč excl. VAT
    341 Kč / pcs

    Special corner fitting in socket design with check valve for 4 mm hose and M5 external metric thread. If the hose is inserted in the coupling, the coupling is through, otherwise...

    Code: SPL-M54
    Self-closing partition coupling 4 mm
    411 Kč –5 %
    Self-closing partition coupling 4 mm
    Stock (20 pcs)
    322 Kč excl. VAT
    390 Kč / pcs

    Special bulkhead socket coupling with check valve for 4 mm tubing. If the hose is inserted in the coupling, the coupling is through, otherwise it closes. Designed especially for...

    Code: SPMM-4
    Self-closing straight coupling 10 mm
    344 Kč –4 %
    Self-closing straight coupling 10 mm
    Stock (10 pcs)
    270 Kč excl. VAT
    327 Kč / pcs

    Special straight socket coupling with non-return valve for 10 mm hose. If the hose is inserted in the coupling, the coupling is through, otherwise it closes. Designed especially...

    Code: SPUC-10
    Self-closing direct coupling external 6 - R1/8"
    229 Kč –5 %
    Self-closing direct coupling external 6 - R1/8"
    up to 14 days
    179 Kč excl. VAT
    217 Kč / pcs

    Special straight fitting in socket design with non-return valve for 6 mm hose and R1/8" male tapered thread. If the hose is inserted in the coupling, the coupling is through,...

    Code: SPC-186
    Self-closing direct coupling external 4 mm - G1/8"
    246 Kč –4 %
    Self-closing direct coupling external 4 mm - G1/8"
    up to 14 days
    193 Kč excl. VAT
    234 Kč / pcs

    Special straight fitting in socket design with check valve for 4 mm hose and external pipe thread G1/8". If the hose is inserted in the coupling, the coupling is through,...

    Code: SPCG-184
    Self-locking l-coupling swivel outer 4 mm - R1/8"
    243 Kč –4 %
    Self-locking l-coupling swivel outer 4 mm - R1/8"
    up to 14 days
    191 Kč excl. VAT
    231 Kč / pcs

    Special corner fitting in socket design with check valve for 4 mm hose and 1/8" male tapered thread. If the hose is inserted in the coupling, the coupling is through, otherwise...

    Code: SPL-184
    Self-locking l-coupling swivel outer 6 mm - R1/4"
    265 Kč –5 %
    Self-locking l-coupling swivel outer 6 mm - R1/4"
    up to 14 days
    207 Kč excl. VAT
    251 Kč / pcs

    Special corner fitting in socket design with non-return valve for 6 mm hose and 1/4" male tapered thread. If the hose is inserted in the coupling, the coupling is through,...

    Code: SPL-146
    Self-locking l-coupling swivel outer 6 mm - R1/8"
    259 Kč –5 %
    Self-locking l-coupling swivel outer 6 mm - R1/8"
    up to 14 days
    203 Kč excl. VAT
    246 Kč / pcs

    Special corner fitting in socket design with non-return valve for 6 mm hose and 1/8" male tapered thread. If the hose is inserted in the coupling, the coupling is through,...

    Code: SPL-186
    Self-closing l-coupling, rotating external 8 mm - R1/4"
    297 Kč –5 %
    Self-closing l-coupling, rotating external 8 mm - R1/4"
    up to 14 days
    233 Kč excl. VAT
    282 Kč / pcs

    Special corner fitting in socket design with check valve for 8 mm hose and 1/4" male tapered thread. If the hose is inserted in the coupling, the coupling is through, otherwise...

    Code: SPL-148
    Self-closing partition coupling 6 mm
    288 Kč –4 %
    Self-closing partition coupling 6 mm
    up to 14 days
    226 Kč excl. VAT
    274 Kč / pcs

    Special bulkhead socket coupling with non-return valve for 6 mm tubing. If the hose is inserted in the coupling, the coupling is through, otherwise it closes. Designed...

    Code: SPMM-6
    Self-locking l-coupling swivel outer 8 mm - R1/8"
    290 Kč –4 %
    Self-locking l-coupling swivel outer 8 mm - R1/8"
    up to 14 days
    228 Kč excl. VAT
    276 Kč / pcs

    Special corner fitting in socket design with check valve for 8 mm hose and 1/8" male tapered thread. If the hose is inserted in the coupling, the coupling is through, otherwise...

    Code: SPL-188
    Self-closing bulkhead coupling 10 mm
    644 Kč –4 %
    Self-closing bulkhead coupling 10 mm
    up to 14 days
    506 Kč excl. VAT
    612 Kč / pcs

    Special bulkhead socket coupling with check valve for 10 mm tubing. If the hose is inserted in the coupling, the coupling is through, otherwise it closes. Designed especially...

    Code: SPMM-10
    Self-closing bulkhead coupling 12 mm
    889 Kč –4 %
    Self-closing bulkhead coupling 12 mm
    up to 14 days
    698 Kč excl. VAT
    845 Kč / pcs

    Special bulkhead socket coupling with non-return valve for 12 mm tubing. If the hose is inserted in the coupling, the coupling is through, otherwise it closes. Designed...

    Code: SPMM-12
    Self-closing direct coupling external 10 mm - G1/2"
    437 Kč –5 %
    Self-closing direct coupling external 10 mm - G1/2"
    up to 14 days
    343 Kč excl. VAT
    415 Kč / pcs

    Special straight fitting in socket design with check valve for 10 mm hose and external pipe thread G1/2". If the hose is inserted in the coupling, the coupling is through,...

    Code: SPCG-1210
    Self-closing direct coupling external 10 mm - G3/8"
    371 Kč –4 %
    Self-closing direct coupling external 10 mm - G3/8"
    up to 14 days
    292 Kč excl. VAT
    353 Kč / pcs

    Special straight fitting in socket design with check valve for 10 mm hose and external pipe thread G3/8". If the hose is inserted in the coupling, the coupling is through,...

    Code: SPCG-3810
    Self-closing direct coupling external 12 mm - G1/2"
    434 Kč –4 %
    Self-closing direct coupling external 12 mm - G1/2"
    up to 14 days
    341 Kč excl. VAT
    413 Kč / pcs

    Special direct fitting in socket design with non-return valve for 12 mm hose and external pipe thread G1/2". If the hose is inserted in the coupling, the coupling is through,...

    Code: SPCG-1212
    Self-closing direct coupling external 12 mm - G3/8"
    425 Kč –4 %
    Self-closing direct coupling external 12 mm - G3/8"
    up to 14 days
    334 Kč excl. VAT
    404 Kč / pcs

    Special direct fitting in socket design with non-return valve for 12 mm hose and external pipe thread G3/8". If the hose is inserted in the coupling, the coupling is through,...

    Code: SPCG-3812
    Self-closing direct coupling external 12 mm - R1/2"
    396 Kč –5 %
    Self-closing direct coupling external 12 mm - R1/2"
    up to 14 days
    311 Kč excl. VAT
    376 Kč / pcs

    Special straight fitting in socket design with check valve for 12 mm hose and R1/2" male tapered thread. If the hose is inserted in the coupling, the coupling is through,...

    Code: SPC-1212
    Self-closing direct coupling external 12 mm - R3/8"
    387 Kč –5 %
    Self-closing direct coupling external 12 mm - R3/8"
    up to 14 days
    303 Kč excl. VAT
    367 Kč / pcs

    Special straight fitting in socket design with non-return valve for 12 mm hose and R3/8" male conical thread. If the hose is inserted in the coupling, the coupling is through,...

    Code: SPC-3812
    Self-closing direct coupling external 8 mm - G3/8"
    359 Kč –5 %
    Self-closing direct coupling external 8 mm - G3/8"
    up to 14 days
    282 Kč excl. VAT
    341 Kč / pcs

    Special straight fitting in socket design with check valve for 8 mm hose and external pipe thread G3/8". If the hose is inserted in the coupling, the coupling is through,...

    Code: SPCG-388
    Self-closing l-coupling, rotatable external 6 mm - M6
    396 Kč –5 %
    Self-closing l-coupling, rotatable external 6 mm - M6
    up to 14 days
    311 Kč excl. VAT
    376 Kč / pcs

    Special corner fitting in socket design with non-return valve for 6 mm hose and external metric thread M5. If the hose is inserted in the coupling, the coupling is through,...

    Code: SPL-M56
    Self-closing l-coupling, rotating external 10 mm - R1/2"
    563 Kč –4 %
    Self-closing l-coupling, rotating external 10 mm - R1/2"
    up to 14 days
    442 Kč excl. VAT
    535 Kč / pcs

    Special corner fitting in socket design with check valve for 10 mm hose and 1/2" male tapered thread. If the hose is inserted in the coupling, the coupling is through, otherwise...

    Code: SPL-1210
    Self-closing l-coupling, rotating external 10 mm - R1/4"
    384 Kč –4 %
    Self-closing l-coupling, rotating external 10 mm - R1/4"
    up to 14 days
    302 Kč excl. VAT
    365 Kč / pcs

    Special corner fitting in socket design with check valve for 10 mm hose and 1/4" male tapered thread. If the hose is inserted in the coupling, the coupling is through, otherwise...

    Code: SPL-1410
    Self-closing l-coupling, rotating external 12 mm - R1/2"
    542 Kč –4 %
    Self-closing l-coupling, rotating external 12 mm - R1/2"
    up to 14 days
    426 Kč excl. VAT
    515 Kč / pcs

    Special corner fitting in socket design with non-return valve for 12 mm hose and 1/2" male tapered thread. If the hose is inserted in the coupling, the coupling is through,...

    Code: SPL-1212
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