Double-}}} ai bungli galaw ai pneumatic cylinders ni gaw, nbung n-gun hpe hkrak hkra galaw lu na matu, nbung n-gun hpe pat shingdang lu na matu, aten ladaw hta hkrak hkra galaw lu na matu, seal amyu myu hpe kam hpa nga ai. Lahkawng lang-}}acting pneumatic cylinders ni hta lang ai law malawng gaw:
### 1. **Posston Seals**
{0}}***: Ndai dazik ni gaw piston grup yin hta nga ai, piston hte cylinder barrel lapran ngang kang ai dazik hpe hkam la lu na matu, piston shamu shamawt wa ai hte maren nbung n pru mat hkra galaw ya ai.
{0}} **Ga amyu**:
-**O{1}rings**: Nitrile, Viton, shing nrai, polyurethane zawn re ai rubber (sh) elastomers ni kaw na galaw ai, grau nna lang ai piston seal amyu langai mi re. O{3}}ring ni gaw kam mai ai dazik hpe jaw ya ai, dai gaw pressure{4}}tight barrier hpe shabyin ya ai.
{0} **U{1}cup Seals**: U{2}}cup (sh) lahkawng lang{3}}acting seal ni hpe "U" zawn hkrang shapraw nna, piston grup yin hta n-gun rawng ai, ngang kang ai dazik hpe jaw ya ai. Shanhte gaw nbung n-gun hpe n-gun n-gun npu hta pat shingdang lu nna, grau tsaw ai{5}}}pressure lang ai ni a matu law law lang lang ai.
{0}}** Sakse ni a Seals**: Piston seals ni hte rau lang ai aten law law hta, ndai seal ni gaw rod kaw na nhprang arai ni hte nhprang arai ni hpe shaw kau ai majaw, cylinder kata de awu asin byin ai hpe pat shingdang ai.
### 2. **Rod Seals**
{0}} ** Rod seal ni gaw nbung (sh) sau ni piston rod hpe lai nna n pru wa hkra pat shingdang ai, cylinder kata na n-gun hpe makawp maga ya ai hte n-gun hpe hkrak hkra galaw ya ai.
{0}} **Ga amyu**:
{0}}**O{1}rings**: N-gup n-gu law law hta n-gup n-gu n-gun n-rawng ai hte akyu rawng ai, O{2}}ring rod seals ni gaw n-gup n-gu law law hta law law nga ai.
{0}*V{1}ring Seals**: AV{2}shaped seal hpe n-gang a matu n-gun ja ai dazik hpe jaw na matu galaw da ai, shingdu magap ni hte rau law law lang lang lang nna, sealing rings ni hte rau lang nna, sealing galaw ai lam hpe grau kaja hkra galaw na matu galaw ai.
{0}}**Pollyurethane Seals**: Ndai dazik ni gaw ngang grin nna, grau kaja ai n-gun hpe ninghkap lu ai majaw, tsaw ai-}speed application ni a matu htuk manu ai.
{0}} **Wiper Seals**: "Scraper" seals ngu nna mung shamying ai, ndai ni hpe cylinder kata de shang pru wa ai shaloi, piston rod kaw na awu asin (sh) nhprang arai ni hpe shaw kau na matu lang ai. Shanhte gaw rod hte kaga kata na daw ni hpe n-gun n rawng hkra makawp maga ya ai.
### 3. **Hpang jahtum Cap Seals**
{0}} ** Yaw shada lam**: Ndai dazik ni hpe nbung n pru hkra makawp maga na matu hte cylinder kata na kata na n-gun hpe makawp maga na matu cylinder a jahtum caps ni hta lang ai.
{0}} **Ga amyu**:
{0}}**O{1}rings**: O{2}}ring ni hpe jahtum na palawng hte cylinder tube lapran na matut mahkai lam ni hpe pat da na matu lang chye ai. Shanhte gaw asan sha rai nna manu jahpu-}efect byin ai.
{0}} **Flat Seals**: Ndai ni gaw rubber (sh) magri zawn re ai arung arai ni kaw na galaw ai rai nna, n-gun ja ai dazik hpe n-gun ja hkra galaw na matu, jahtum na palawng ni hpe shinggrup na matu galaw da ai.
### 4. **Rings hpe bai nhtang yu ga**
-***: Backup rings ni hpe npawt nhpang dazik ni hte rau lang ai (O{1}ring zawn re ai) hpe n-gun kaba ai npu hta n-gun n rawng ai (sh) n hkrat sum hkra pat shingdang na matu lang ai. Ndai ring ni gaw madi shadaw ai lam hpe jat bang ya nna, seal a asak hpe jat ya ai.
{0}}***: Backup rings ni hpe PTFE (Teflon) shing nrai thermoplastics zawn re ai grau yak ai arung arai ni hte galaw ai gaw, n-gun kaba hpe hkam jan lu na matu hte, grau nna n-gun ja ai hku n-gun jaw lu ai.
### 5. **Buffer Seals**
{0}}***: Buffer seal ni gaw shock hpe hkap la lu nna, n-gun kaba ai spike ni hpe pat shingdang lu na matu karum ya ai, grau nna, ayan (sh) akajawng sha dip sha ai lam ni nga ai application ni hta.
{0}} ****: Ndai ni gaw, cushioning jaw na matu, rubber (sh) polyurethane zawn re ai grau n-gun ja ai arung arai ni hte galaw da ai.
### 6. **Rod Scrapers**
{0}}***: Ndai dazik ni hpe, rod wipers ngu nna mung shamying ai, cylinder hpaw ai shara kaw tawn da nna, n san seng ai, nhprang arai, shing nrai, n-gup kaw na hka lim ai hpe shaw kau nna, n-gun jat wa ai hte bai nhtang wa ai. Dai gaw kaga dazik ni a dinghpring ai lam hpe makawp maga ya lu ai.
{0}} ***Brubber, polyurethane (sh) laksan n-gun rawng ai arung arai ni kaw na galaw ai.
### 7. **Gushion Seals**
{0}}***: Cushion seals ni hpe cylinder hta lang nna, cylinder a jahtum de du wa ai shaloi, piston hpe shayawm kau ai hku nna, stroke a jahtum na hkra machyi ai lam hte nsen hpe shayawm na matu lang ai. Ndai seal ni gaw grau nna, n-gun kaba ai application ni a matu akyu rawng ai.
{0}} ****: Ndai ni hpe jahtum na palawng ni hta bang nna, elatomers (sh) plastic zawn re ai n-gun n rawng ai arung arai ni kaw na galaw mai ai.
### Pneumatic Cylinder Seals ni a matu jai lang ai arung arai ni:
{0}} **Nitrile (NBR)**: Sau, wan sau, hte general wear hpe ninghkap ai majaw, seal ni a matu lang ai.
{0}} **Viton (FKM)**: Shi a tsaw ai- aten ladaw hpe ninghkap lu ai atsam hte chemical stability hpe chye da ai, ra kadawn ai application ni hta law law lang lang ai.
{0}} **Pollyurethane (PU)**: N-gup hte piston seal lahkawng yan hta grai kaja ai abrasion hpe ninghkap lu ai atsam jaw ai.
{0}} **EPDM**: Grai katsi ai hte ozone hpe ninghkap ra ai grup yin ni hta seal ni a matu law law lang lang ai.
{0}} **PTFE (Teflon)**: Backup rings ni hta lang nna, kalang lang gaw, n-gun n law ai hte tsi mawan ni hpe ninghkap ai lam grai law ai majaw, piston seals ni hta lang ai.
{0}} **Silicone**: Pneumatic cylinders ni hta n law ai raitim, tsaw ai- aten ladaw hpe ninghkap lu na matu application nkau mi hta lang ai.
### Gadun dawk
Double{0}}}}}}}acting pneumatic cylinders ni a matu seal ni hpe lata ai lam gaw, cylinder hpe hkam sha ai cylinder hpe hkam sha ai n-gun, nbung katsi ai, lawan ai, shing nrai hka) zawn re ai lam ni hta madung nga ai. Piston seals, rod seals, hte backup ring ni hpe hkrak hkrak kayau kaya lang ai hku nna, pneumatic cylinders ni gaw, hka lim ai lam n law htum, daw jau ai lam hpe grau galu ai, gram lajang ai lam hpe shayawm ya lu ai.
