Grooved Couplings
Style 77
Grooved Bolt Style
Bolt-On Design / Permanent Installation
A dependable grooved coupling designed for standard piping systems requiring a secure, long-term connection. Accommodates pipe movement while maintaining strength and sealing under pressure.
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Highlights
- Two-piece flexible ductile iron housing (ASTM A536)
- Bolt style assembly; Buna gasket standard (-20°F to 180°F)
- Viton and EPDM gasket options available upon request
- Grooved end connections
- Sizes: 1″, 2″ to 12″
- Pressure: 800 to 1,000 PSI NSCWP (varies by size)
- Style 77
Application
- General oilfield and industrial piping systems
- Moderate to high pressure production line connections
- Systems requiring pipe deflection accommodation
- Facilities requiring fast and reliable grooved pipe joining
- Aboveground and surface production installations
Style 28
Grooved Quick Connect
Quick Connect / Frequent Changeouts
Designed for systems requiring fast assembly and disassembly, this coupling allows for quick, tool-free installation. Ideal for temporary lines and applications where frequent connection changes are needed.
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Highlights
- Hinged lever design for quick connect/disconnect
- Locking handle with cotter pin to prevent accidental opening
- Buna T gasket standard; additional gasket materials available upon request
- Gaskets available for individual purchase
- Grooved end connections
- Sizes: 2″ to 8″
- Style 28
Application
- Systems requiring repeated connection and disconnection
- Temporary and portable production piping
- Oilfield and industrial multi-deployment applications
- Facilities requiring tool-free pipe joint assembly
- Field installations where rapid reconfiguration is needed