PAV1 & SPAV Series Fast Couplings Catalog

1

Fast Coupling G 1/4 PAV1.0606.002

Coupling body: Carbon steel (1.0402) with zinc plating; Seal: Nitrile rubber (NBR); Working pressure: ≤ 35 MPa; Temperature range: -20℃ to 100℃

1. Corrosion of the zinc-plated surface due to high-humidity working environment; 2. Seal wear caused by frequent connection/disconnection cycles

1. Regularly inspect the plating layer and reapply anti-corrosion oil in humid environments; 2. Limit daily connection/disconnection cycles to ≤ 50 times and replace seals every 1000 cycles

2

Fast Coupling G 1/4 PAV1.0606.003

Coupling body: Carbon steel (1.0402) with zinc plating; Seal: Fluororubber (FKM); Working pressure: ≤ 35 MPa; Temperature range: -20℃ to 180℃

1. Thermal aging of the FKM seal in high-temperature continuous operation; 2. Thread damage due to over-tightening during installation

1. Avoid continuous operation at temperatures exceeding 160℃; 2. Use a torque wrench to control installation torque (≤ 15 N·m) and avoid thread slipping

3

Fast Coupling 1/4 NPT PAV1.0606.012

Coupling body: Carbon steel (1.0402) with zinc-nickel plating; Seal: NBR; Working pressure: ≤ 35 MPa; Thread standard: ANSI/ASME B1.20.1

1. Pitting corrosion of the zinc-nickel plating in salt-spray environments; 2. Seal leakage caused by foreign particles entering the sealing surface

1. For marine or coastal applications, add a protective cover to prevent salt-spray erosion; 2. Clean the sealing surface before connection and install a pre-filter in the pipeline

4

Fast Coupling 1/4 NPT PAV1.0606.013

Coupling body: Carbon steel (1.0402) with zinc-nickel plating; Seal: FKM; Working pressure: ≤ 35 MPa; Thread standard: ANSI/ASME B1.20.1

1. Chemical corrosion of the seal by aggressive media (e.g., strong acids/alkalis); 2. Coupling body deformation due to external impact

1. Verify compatibility of the transmission medium with FKM before use; 2. Install protective sleeves to avoid direct impact on the coupling body

5

Fast Coupling RC 1/4 PAV1.0606.042

Coupling body: Carbon steel (1.0402) with zinc plating; Seal: NBR; Working pressure: ≤ 35 MPa; Thread standard: GB/T 7306.2

1. Thread galling caused by improper material matching during installation; 2. Seal hardening due to low-temperature operation

1. Use matching RC-threaded connectors and apply anti-seize compound during installation; 2. Preheat the coupling to ≥ -10℃ before use in low-temperature environments

6

Fast Coupling RC 1/4 PAV1.0606.043

Coupling body: Carbon steel (1.0402) with zinc plating; Seal: EPDM; Working pressure: ≤ 35 MPa; Temperature range: -40℃ to 120℃

1. EPDM seal swelling caused by contact with petroleum-based media; 2. Plating layer peeling due to frequent vibration

1. Avoid using in petroleum-based fluid systems; 2. Install vibration dampers near the coupling in high-vibration equipment

1

Fast Coupling G 3/8 PAV1.1010.002

Coupling body: Carbon steel (1.0402) with zinc plating; Seal: NBR; Working pressure: ≤ 40 MPa; Flow rate: ≤ 15 L/min

1. Seal leakage caused by excessive pressure fluctuations; 2. Thread loosening due to equipment vibration

1. Install a pressure relief valve to control pressure fluctuations within ±5% of rated pressure; 2. Use lock washers to enhance anti-loosening performance and check tightness monthly

2

Fast Coupling G 3/8 PAV1.1010.003

Coupling body: Carbon steel (1.0402) with zinc plating; Seal: FKM; Working pressure: ≤ 40 MPa; Temperature range: -20℃ to 180℃

1. High-temperature oxidation of the coupling body surface; 2. Seal wear due to abrasive particles in the fluid

1. Regularly inspect the surface oxidation layer and remove it with a wire brush if necessary; 2. Install a 40-micron filter in the pipeline to filter abrasive particles

3

Fast Coupling 3/8 NPT PAV1.1010.012

Coupling body: Carbon steel (1.0402) with zinc-nickel plating; Seal: NBR; Working pressure: ≤ 40 MPa; Thread standard: ANSI/ASME B1.20.1

1. Salt-spray corrosion in coastal industrial environments; 2. Thread damage during repeated disassembly

1. Apply anti-corrosion coating to the coupling surface for coastal applications; 2. Use dedicated disassembly tools to avoid thread scratching

4

Fast Coupling 3/8 NPT PAV1.1010.013

Coupling body: Carbon steel (1.0402) with zinc-nickel plating; Seal: FKM; Working pressure: ≤ 40 MPa; Chemical resistance to most acids and alkalis

1. Chemical erosion of the seal by concentrated corrosive media; 2. Coupling body deformation due to over-tightening

1. Test medium compatibility before use in corrosive systems; 2. Strictly follow the recommended installation torque (≤ 25 N·m)

5

Fast Coupling RC 3/8 PAV1.1010.042

Coupling body: Carbon steel (1.0402) with zinc plating; Seal: NBR; Working pressure: ≤ 40 MPa; Thread standard: GB/T 7306.2

1. Moisture-induced corrosion of the thread; 2. Seal aging due to long-term idle storage

1. Clean and dry the thread after use and apply anti-rust oil; 2. Store spare couplings in a dry environment (humidity ≤ 60%)

6

Fast Coupling RC 3/8 PAV1.1010.043

Coupling body: Carbon steel (1.0402) with zinc plating; Seal: EPDM; Working pressure: ≤ 40 MPa; Suitable for water-based media

1. EPDM seal wear caused by high-velocity water flow; 2. Plating layer damage due to impact during transportation

1. Control fluid velocity within ≤ 5 m/s; 2. Use shock-absorbing packaging during transportation and avoid collision

1

Fast Coupling G 1/2 PAV1.1313.002

Coupling body: Carbon steel (1.0402) with zinc plating; Seal: NBR; Working pressure: ≤ 45 MPa; Flow rate: ≤ 25 L/min

1. Seal extrusion deformation under high pressure; 2. Thread galling due to lack of lubrication during installation

1. Operate within the rated pressure range (≤ 45 MPa); 2. Apply anti-seize lubricant to the thread before installation

2

Fast Coupling G 1/2 PAV1.1313.003

Coupling body: Carbon steel (1.0402) with zinc plating; Seal: FKM; Working pressure: ≤ 45 MPa; Temperature range: -20℃ to 180℃

1. Thermal fatigue of the coupling body in alternating high-low temperature environments; 2. Seal damage caused by incompatible cleaning agents

1. Avoid frequent temperature cycles exceeding 100℃; 2. Use FKM-compatible cleaning agents (avoid strong solvents)

3

Fast Coupling 1/2 NPT PAV1.1313.012

Coupling body: Carbon steel (1.0402) with zinc-nickel plating; Seal: NBR; Working pressure: ≤ 45 MPa; Thread standard: ANSI/ASME B1.20.1

1. Corrosion of the zinc-nickel plating in acidic media; 2. Seal leakage due to uneven sealing surface

1. Avoid using in acidic fluid systems (pH < 5); 2. Inspect the sealing surface for scratches before installation and replace if damaged

4

Fast Coupling 1/2 NPT PAV1.1313.013

Coupling body: Carbon steel (1.0402) with zinc-nickel plating; Seal: FKM; Working pressure: ≤ 45 MPa; High corrosion resistance

1. Thread loosening due to long-term vibration in field equipment; 2. Seal aging in high-temperature continuous operation

1. Use thread locking adhesive to enhance stability; 2. Replace seals every 800 operating hours in high-temperature environments

5

Fast Coupling RC 1/2 PAV1.1313.042

Coupling body: Carbon steel (1.0402) with zinc plating; Seal: NBR; Working pressure: ≤ 45 MPa; Thread standard: GB/T 7306.2

1. Water-induced rust on the coupling body; 2. Seal wear due to frequent connection/disconnection

1. Dry the coupling thoroughly after use in water-based systems; 2. Limit connection/disconnection cycles to ≤ 30 times per day

6

Fast Coupling RC 1/2 PAV1.1313.043

Coupling body: Carbon steel (1.0402) with zinc plating; Seal: EPDM; Working pressure: ≤ 45 MPa; Suitable for high-temperature water vapor systems

1. EPDM seal degradation due to high-temperature water vapor; 2. Plating layer peeling due to chemical cleaning

1. Operate within the maximum temperature limit (≤ 120℃) for water vapor; 2. Avoid chemical cleaning and use physical cleaning methods instead

1

Fast Coupling M 22*1.5 PAV1.1322.102

Coupling body: Carbon steel (1.0402) with zinc plating; Seal: NBR; Working pressure: ≤ 50 MPa; Thread standard: GB/T 196

1. Thread damage due to mismatched connectors; 2. Seal extrusion caused by over-tightening

1. Ensure the mating connector complies with M 22*1.5 thread standard; 2. Use a torque wrench to control installation torque (≤ 35 N·m)

2

Fast Coupling M 22*1.5 PAV1.1322.103

Coupling body: Carbon steel (1.0402) with zinc plating; Seal: FKM; Working pressure: ≤ 50 MPa; Temperature range: -20℃ to 180℃

1. FKM seal corrosion by organic media; 2. Coupling body deformation due to external impact

1. Avoid using in organic solvent systems; 2. Install protective guards around the coupling in high-impact environments

3

Fast Coupling 3/4 UNF PAV1.1319.032

Coupling body: Carbon steel (1.0402) with zinc-nickel plating; Seal: NBR; Working pressure: ≤ 45 MPa; Thread standard: ANSI/ASME B1.1

1. Salt-spray corrosion in marine applications; 2. Thread loosening due to equipment vibration

1. Use anti-salt spray coating for marine applications; 2. Install lock nuts to prevent thread loosening

4

Fast Coupling 3/4 UNF PAV1.1319.033

Coupling body: Carbon steel (1.0402) with zinc-nickel plating; Seal: FKM; Working pressure: ≤ 45 MPa; High temperature resistance

1. High-temperature oxidation of the coupling body; 2. Seal wear due to abrasive media

1. Regularly inspect and maintain the surface anti-oxidation layer; 2. Install a high-precision filter in the pipeline to remove abrasive particles

1

Fast Coupling G 3/4 PAV1.2019.002

Coupling body: Carbon steel (1.0503) with zinc plating; Seal: NBR; Working pressure: ≤ 40 MPa; Flow rate: ≤ 40 L/min

1. Seal leakage due to large flow-induced pressure fluctuations; 2. Thread damage during heavy-load installation

1. Install a pressure stabilizer in the pipeline; 2. Use hoisting equipment for installation to avoid manual heavy-load operation

2

Fast Coupling 3/4 NPT PAV1.2019.012

Coupling body: Carbon steel (1.0503) with zinc-nickel plating; Seal: NBR; Working pressure: ≤ 40 MPa; Thread standard: ANSI/ASME B1.20.1

1. Corrosion of the coupling body in corrosive soil (underground pipelines); 2. Seal aging due to long-term buried storage

1. Apply anti-corrosion wrapping for underground installation; 2. Replace seals before use if stored for more than 2 years

3

Fast Coupling G 1 PAV1.2525.002

Coupling body: Carbon steel (1.0503) with zinc plating; Seal: NBR; Working pressure: ≤ 35 MPa; Flow rate: ≤ 60 L/min

1. Coupling body fatigue due to long-term high-flow operation; 2. Seal wear caused by fluid turbulence

1. Conduct fatigue inspection every 12 months; 2. Optimize pipeline design to reduce fluid turbulence

4

Fast Coupling 1 NPT PAV1.2525.012

Coupling body: Carbon steel (1.0503) with zinc-nickel plating; Seal: NBR; Working pressure: ≤ 35 MPa; Thread standard: ANSI/ASME B1.20.1

1. Saltwater corrosion in offshore pipeline systems; 2. Thread loosening due to wave-induced vibration

1. Use marine-grade anti-corrosion coating; 2. Use vibration-resistant thread locking devices

5

Fast Coupling G 1 1/4 PAV1.3031.002

Coupling body: Carbon steel (1.0503) with zinc plating; Seal: NBR; Working pressure: ≤ 30 MPa; Flow rate: ≤ 80 L/min

1. Seal extrusion due to excessive pipeline pressure; 2. Coupling body deformation due to uneven stress

1. Install a pressure relief valve to limit maximum pressure; 2. Ensure uniform stress distribution during installation

6

Fast Coupling 1 1/4 NPT PAV1.3031.012

Coupling body: Carbon steel (1.0503) with zinc-nickel plating; Seal: NBR; Working pressure: ≤ 30 MPa; Thread standard: ANSI/ASME B1.20.1

1. Corrosion of the zinc-nickel plating by industrial chemicals; 2. Seal damage due to improper connection

1. Verify chemical compatibility before use; 2. Ensure full engagement of the coupling during connection (engagement depth ≥ 8 mm)

7

Fast Coupling G 1 1/2 PAV1.3939.002

Coupling body: Carbon steel (1.0503) with zinc plating; Seal: NBR; Working pressure: ≤ 25 MPa; Flow rate: ≤ 100 L/min

1. High-flow-induced erosion of the sealing surface; 2. Thread wear during repeated assembly

1. Inspect the sealing surface for erosion monthly; 2. Apply anti-wear lubricant to the thread during assembly

8

Fast Coupling 1 1/2 NPT PAV1.3939.012

Coupling body: Carbon steel (1.0503) with zinc-nickel plating; Seal: NBR; Working pressure: ≤ 25 MPa; Thread standard: ANSI/ASME B1.20.1

1. Vibration-induced thread fatigue; 2. Seal leakage due to temperature changes

1. Install vibration dampers near the coupling; 2. Compensate for thermal expansion and contraction with expansion joints

9

Fast Coupling G 2 PAV1.5051.002

Coupling body: Carbon steel (1.0503) with zinc plating; Seal: NBR; Working pressure: ≤ 20 MPa; Flow rate: ≤ 150 L/min

1. Coupling body deformation due to heavy pipeline weight; 2. Seal wear due to long-term use

1. Use pipeline supports to reduce weight on the coupling; 2. Replace seals every 600 operating hours

10

Fast Coupling 2 NPT PAV1.5051.012

Coupling body: Carbon steel (1.0503) with zinc-nickel plating; Seal: NBR; Working pressure: ≤ 20 MPa; Thread standard: ANSI/ASME B1.20.1

1. Corrosion in high-humidity industrial environments; 2. Thread loosening due to equipment startup/shutdown impact

1. Regularly ventilate the working environment to reduce humidity; 2. Check thread tightness after each startup/shutdown

1

Fast Coupling SPAV.06002

Coupling body: Carbon steel (1.0503) with zinc-nickel plating; Seal: NBR; Working pressure: ≤ 40 MPa; Suitable for 1/4" size pipelines

1. Seal wear due to frequent connection/disconnection in construction equipment; 2. Corrosion caused by construction site dust and moisture

1. Clean the coupling before each connection; 2. Replace seals every 500 connection cycles

2

Fast Coupling SPAV.06003

Coupling body: Carbon steel (1.0503) with zinc-nickel plating; Seal: FKM; Working pressure: ≤ 40 MPa; Temperature range: -20℃ to 180℃

1. High-temperature aging of the FKM seal in mining machinery; 2. Coupling body impact damage in construction sites

1. Avoid continuous operation at temperatures exceeding 160℃; 2. Install protective covers to prevent impact

3

Fast Coupling SPAV.10002

Coupling body: Carbon steel (1.0503) with zinc-nickel plating; Seal: NBR; Working pressure: ≤ 45 MPa; Suitable for 3/8" size pipelines

1. Thread loosening due to mining machinery vibration; 2. Seal leakage caused by abrasive dust in the fluid

1. Use thread locking adhesive; 2. Install a 40-micron filter in the pipeline

4

Fast Coupling SPAV.10003

Coupling body: Carbon steel (1.0503) with zinc-nickel plating; Seal: FKM; Working pressure: ≤ 45 MPa; High corrosion resistance

1. Chemical corrosion in industrial wastewater pipelines; 2. Plating layer peeling due to frequent cleaning

1. Verify wastewater chemical composition before use; 2. Use mild cleaning agents

5

Fast Coupling SPAV.13002

Coupling body: Carbon steel (1.0503) with zinc-nickel plating; Seal: NBR; Working pressure: ≤ 50 MPa; Suitable for 1/2" size pipelines

1. Seal extrusion deformation under high pressure; 2. Thread damage during disassembly

1. Operate within the rated pressure range; 2. Use dedicated disassembly tools

6

Fast Coupling SPAV.13003

Coupling body: Carbon steel (1.0503) with zinc-nickel plating; Seal: FKM; Working pressure: ≤ 50 MPa; Temperature range: -20℃ to 180℃

1. Thermal fatigue in alternating temperature environments; 2. Seal wear due to high-velocity fluid

1. Avoid frequent temperature cycles; 2. Control fluid velocity within ≤ 6 m/s

7

Fast Coupling SPAV.20002

Coupling body: Carbon steel (1.0503) with zinc-nickel plating; Seal: NBR; Working pressure: ≤ 45 MPa; Suitable for 3/4" size pipelines

1. Corrosion in coastal construction environments; 2. Seal aging due to long-term exposure to sunlight

1. Apply anti-salt spray coating; 2. Use UV-resistant seals for outdoor applications

8

Fast Coupling SPAV.20003

Coupling body: Carbon steel (1.0503) with zinc-nickel plating; Seal: FKM; Working pressure: ≤ 45 MPa; High temperature resistance

1. High-temperature oxidation of the coupling body; 2. Thread galling due to lack of lubrication

1. Regularly inspect and maintain the oxidation layer; 2. Apply anti-seize lubricant during assembly

9

Fast Coupling SPAV.25002

Coupling body: Carbon steel (1.0503) with zinc-nickel plating; Seal: NBR; Working pressure: ≤ 40 MPa; Suitable for 1" size pipelines

1. Coupling body fatigue due to long-term heavy-load operation; 2. Seal leakage due to pressure fluctuations

1. Conduct fatigue inspection annually; 2. Install a pressure stabilizer

10

Fast Coupling SPAV.25003

Coupling body: Carbon steel (1.0503) with zinc-nickel plating; Seal: FKM; Working pressure: ≤ 40 MPa; Chemical resistance

1. Corrosion by chemical media in industrial pipelines; 2. Seal damage due to incompatible cleaning agents

1. Test medium compatibility before use; 2. Use FKM-compatible cleaning agents

11

Fast Coupling SPAV.30202

Coupling body: Carbon steel (1.0503) with zinc-nickel plating; Seal: NBR; Working pressure: ≤ 35 MPa; Suitable for 1 1/4" size pipelines

1. Thread loosening due to equipment vibration; 2. Seal wear due to frequent connection

1. Use lock nuts; 2. Limit connection cycles to ≤ 20 times per day

12

Fast Coupling SPAV.30203

Coupling body: Carbon steel (1.0503) with zinc-nickel plating; Seal: FKM; Working pressure: ≤ 35 MPa; Temperature range: -20℃ to 180℃

1. Thermal aging of the seal; 2. Coupling body impact damage

1. Replace seals every 800 operating hours; 2. Install impact-absorbing guards

13

Fast Coupling SPAV.39202

Coupling body: Carbon steel (1.0503) with zinc-nickel plating; Seal: NBR; Working pressure: ≤ 30 MPa; Suitable for 1 1/2" size pipelines

1. Corrosion in high-humidity environments; 2. Seal extrusion due to over-pressure

1. Keep the working environment dry; 2. Install a pressure relief valve

14

Fast Coupling SPAV.39203

Coupling body: Carbon steel (1.0503) with zinc-nickel plating; Seal: FKM; Working pressure: ≤ 30 MPa; High corrosion resistance

1. Chemical erosion of the seal; 2. Plating layer damage due to abrasion

1. Avoid using in corrosive chemical systems; 2. Reduce friction with adjacent components

15

Fast Coupling SPAV.50202

Coupling body: Carbon steel (1.0503) with zinc-nickel plating; Seal: NBR; Working pressure: ≤ 25 MPa; Suitable for 2" size pipelines

1. Coupling body deformation due to heavy pipeline weight; 2. Seal wear due to high flow

1. Use pipeline supports; 2. Inspect the seal monthly for wear

16

Fast Coupling SPAV.50203

Coupling body: Carbon steel (1.0503) with zinc-nickel plating; Seal: FKM; Working pressure: ≤ 25 MPa; Temperature range: -20℃ to 180℃

1. High-temperature fatigue of the coupling body; 2. Seal leakage due to thermal expansion and contraction

1. Operate within the temperature limit; 2. Install expansion joints to compensate for thermal changes