The CPVC Solvent Cement Coupler is a straight double-socket coupling in chlorinated polyvinyl chloride (CPVC) used to join two equal-size CPVC pipe lengths, with both ends bonded by CPVC solvent cement. The CPVC Solvent Cement Coupler forms a permanent full-bore glued joint in potable water and industrial corrosive-media lines without threads, gaskets or heat. Rated to 90°C, this CPVC solvent cement coupler keeps a smooth flow path and resists most acids, alkalis, salts and oxidizing media.
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Specification
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Design
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Diameter
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|
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d1
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d2
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I
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D
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d
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L
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20
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20.3
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20.1
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16.0
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27.0
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17.0
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37.0
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25
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25.3
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25.1
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19.0
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33.0
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23.0
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42.0
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32
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32.3
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32.1
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22.0
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40.5
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29.0
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49.0
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40
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40.3
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40.1
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26.0
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49.1
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37.0
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57.0
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50
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50.3
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50.1
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32.0
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61.0
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47.0
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68.0
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63
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63.3
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63.1
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38.0
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75.0
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60.0
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82.0
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75
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75.3
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75.1
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44.0
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87.0
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72.0
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95.0
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90
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90.3
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90.1
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51.0
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104.0
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87.1
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108.0
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110
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110.4
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110.1
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61.0
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125.4
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106.1
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130.0
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140
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140.5
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140.2
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77.0
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162.0
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133.0
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162.0
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160
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160.5
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160.2
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86.0
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186.0
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154.0
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180.0
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225
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225.8
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225.0
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117.5
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261.0
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218.0
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268.0
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|
280
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281.0
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280.0
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145.0
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323.0
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271.0
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300.0
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315
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316.0
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315.0
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162.5
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363.0
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306.0
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335.0
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Key Features of CPVC Solvent Cement Coupler
- Straight double-socket coupling joins two equal-size CPVC pipe lengths in line.
- Both ends bond with CPVC solvent cement into one permanent, monolithic glued joint.
- Full-bore design keeps flow unrestricted with no pressure-drop shoulder.
- Long-term service up to 90°C; resists acids, alkalis, salts and oxidizing media.
- No threads, gaskets or hot work; smooth bore and flame-retardant CPVC.
Manufacturing Process of CPVC Solvent Cement Coupler
Each CPVC Solvent Cement Coupler is injection molded as a symmetric CPVC sleeve with a center stop, then both sockets are reamed and gauge-checked before solvent-cement bonding. Solvent cement is applied to the cleaned socket and pipe spigot, which are then held until the glued joint cures into a single continuous CPVC structure.
Critical Process Parameters of CPVC Solvent Cement Coupler
- CPVC compound is processed inside its narrow melt-temperature window to avoid degradation.
- Socket inner diameter and spigot interference are controlled to the CPVC solvent-cement fit tolerance.
- Cement coating is even and full-length; set and cure times follow the cement manufacturer schedule before pressure testing.
- Wall-thickness uniformity and roundness are checked to safeguard pressure rating.
- 100% visual and dimensional inspection, with batch pressure and hydrostatic testing.
Raw Material Characteristics of CPVC Solvent Cement Coupler
- Body in CPVC (chlorinated polyvinyl chloride), joined with CPVC solvent cement.
- Long-term service temperature up to 90°C, well above conventional UPVC.
- Excellent resistance to acids, alkalis, salts and many oxidizing media.
- Flame retardant and self-extinguishing with a high limiting oxygen index (LOI).
- Smooth non-scaling inner surface keeps flow efficient and biofilm low.
Typical Applications of CPVC Solvent Cement Coupler
- Straight joins and pipe extensions in potable hot and cold water systems.
- Repair and coupling of cut pipe runs in water treatment plants.
- In-line joins in acid, alkali and chemical transfer piping.
- Glued couplers in ultrapure water loops for semiconductor and pharma.
- Corrosive pipe runs in desalination and seawater service.
Application Scenarios of CPVC Solvent Cement Coupler
The CPVC Solvent Cement Coupler is the basic glued straight joiner used whenever two same-size CPVC pipe lengths meet in water supply or industrial corrosive piping.
