Ɛsɛ sɛ wɔde asaawa no ne nea wɔde akata so no nyinaa kyerɛ nsu a wɔde hyɛ mu. Sɛ wosusuw abɔnten ntwemu nkutoo a, ebetumi ama wɔayɛ atoro a ɛne ne ho hyia efisɛ nhama nhyehyɛe pii wɔ din akɛse a ɛte saa ara. Fa ntotoho a ɛwɔ aseɛ ha no tew abusua a ɛfata no so, afei si ne kɛseɛ pɔtee so dua tia afiri no mfonini ne mating-port specification.
Hydraulic Fitting Ntɛmntɛm Nhwehwɛmu Nhyehyɛe
Nkitahodi abusuaTypical identification featurePrimary sealing kwanDɛn a ɛsɛ sɛ wɔhwehwɛ mu
JICSasaawa a ɛyɛ tẽẽ a ɛwɔ 37-degree flare seatMetal-to-metal flareThread, nkongua no anim ne tube kɛse
ORFSSasaawa tẽẽ a n’anim yɛ tratraa na wotumi hu O-ringO-ring anim sealO-ring groove, anim ne asaawa
SAE O-ring boss (ORB)Asaawa a ɛyɛ tẽẽ a O-ring bɛn hex anaa mmatiO-ring a ɛne hyɛn gyinabea chamferO-ring beae ne hyɛn gyinabea nkyerɛkyerɛmu
NPT/NPTFTapered paipu asaawaThread ntwitwiridii; sealing adeyɛ gyina specificationTaper, ɛnne nnyigyei ne asaawa kwan so
NPSMStraight pipe thread, a wɔtaa de di dwuma ne swivel seatMechanical seat mmom sen sɛ wɔde straight thread nkutoo bedi dwumaSeat geometry ne mating fitting
BSPP/GParallel BSP threadBonded nsɔano, O-ring anaa dade nkongua a egyina designParallel asaawa ne nsɔano anim
BSPT/RTapered BSP threadThread interferenceTaper, ɛnne nnyigyei ne nhama kwan
Metric 24-degree coneMetric asaawa a ɛwɔ 24-degree sealing coneCone, twa ring anaa O-ring nhyehyɛe a egyina designMetric pitch, cone ne light/heavy series so
SAE flangeFlange ti a wɔakora so denam mpaapaemu anaa afã biako clampO-ring wɔ flange faceFlange koodu, ti kɛse ne bolt nhwɛso
Sɛnea Wobehu Hydraulic Fitting a Wonnim
Hohoro fitting no ho sɛnea ɛbɛyɛ a asaawa ne nsɔano no bɛda adi.
Hwɛ sɛ asaawa no teɛ anaasɛ ɛyɛ teateaa.
Fa calipers susuw ɔbarima asaawa no akyi ntwemu anaa ɔbea asaawa no mu ntwemu.
Fa afiri a wɔde susuw asaawa no nne kɛse susuw. Si so dua sɛ ebia gauge no yɛ metric anaasɛ nhama wɔ inch biara mu.
Hwɛ nsɔano no ani: flare, cone, anim a ɛyɛ tratraa, O-ring, bonded seal anaa tapered thread.
Hyɛ no nsow sɛ ebia fitting no yɛ ɔbarima, ɔbea, swivel, bulkhead, elbow anaa flange.
Fa susudua no toto afiri no ho mfonini anaa gyinapɛn a ɛfata no ho.
Mma nhyɛ nkitahodi ahorow a ɛte sɛ nea ɛbɛn no nkabom. Nhama no fã bi a wɔde hyɛ mu no nkyerɛ sɛ ɛne ne ho hyia, na nsɔano afã a ɛnteɛ betumi atutu bere mpo a nhama no ahyiam no.
Mfomso a Ɛtaa Ba wɔ Hydraulic Fitting a Wɔde Hu Ho
BSPP a wɔde metric nhama yɛ basaa
BSP ne metric akɛseɛ bi a ɛne ne ho di nsɛ betumi ada adi sɛ ɛte saa ara. Hwɛ pitch ne sealing geometry nyinaa. BSPP no ankasa nkyerɛ ɔkwan biako pɛ a wɔfa so sɔ nsɔano.
NPT ne BSPT a wɔbɛfa no sɛ nea wotumi sesa
N’abien nyinaa yɛ nhama a ɛyɛ teateaa a wɔde paipu ayɛ, nanso ɛsono sɛnea wɔn nhama no te ne sɛnea wɔn ano yɛ den. Ɛsɛ sɛ wɔkyerɛ wɔn wɔ ɔkwan soronko so.
Fitting bi a wɔde asaawa nkutoo na ɛkyerɛ
Asaawa no betumi ama mfiri a wɔde sie bere a nsɔano no ba wɔ cone, flare, anim anaa O-ring so. Ɛsɛ sɛ nneɛma abien no nyinaa hyia.
Metric series a emu yɛ hare ne nea emu yɛ duru a wobu ani gu so
Ebia metric 24-degree fittings yɛ nea ɛwɔ ntoatoaso ahorow mu. Si tube kɛseɛ, asaawa ne cone nhyehyɛeɛ no so dua tia mfonini a ɛfa ho no.
Nsɛm a Wɔtaa Bisa
Nsusuwii bɛn na ehia na ama wɔahu hydraulic fitting?
Sua asaawa no ntwemu ne ne sorokɔ, afei kyerɛ sealing surface, fitting orientation ne mating-port type.
So fittings abien betumi de asaawa abɔ mu nanso wɔde nsɔano ahorow adi dwuma?
Aane. Thread engagement nkutoo nsi so dua sɛ sealing surfaces anaa gyinapɛn ahorow no hyia.
Nsonsonoe bɛn na ɛda ORFS ne JIC ntam?
ORFS de anim a ɛyɛ tratraa a O-ring wom na edi dwuma; JIC de nkongua a ɛyɛ digrii 37 a ɛyɛ hyew di dwuma.
So ɛsɛ sɛ wɔde thread sealant di dwuma wɔ hydraulic fitting biara so?
Dabi, sealant a wɔde bedi dwuma no gyina sɛnea wɔayɛ nkitahodi no so. Flare, cone, face-seal ne O-ring connections seal wɔ thread no akyi na ɛsɛ sɛ wɔboaboa ano sɛnea wɔn nkyerɛkyerɛmu te.
Woda so ara nnim fitting bɛn na wowɔ? Fa asaawa no ne nsɔano anim mfonini ahorow a ɛka bom ne caliper ne pitch-gauge susuw mena. Ruihua betumi de nsɛm no atoto ne nneɛma ho mfonini ahorow a ɛwɔ hɔ no ho.
Hydraulic Fitting Akwankyerɛ a Ɛfa Ho
