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Mosmatic DGL Series Rotary Union Model 31.051 – Dual-Port Swivel Fitting with G1 1/4″ Female NPTF and G2 1/4″ Male NPTM Connections

Original price was: $143.96.Current price is: $71.98.

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SKU: 31.051 Category: Brand:

Description

The Mosmatic DGL Swivel 31.051 is a brass, nickel-plated high-flow swivel engineered for handling thrust and radial forces in automatic car washes, high-pressure hose reels, and industrial cleaning systems. Built to withstand rigorous use, it ensures long-lasting, maintenance-free performance in both fixed and rotating setups.

Featuring a triple bearing system (2x radial and 1x thrust ball bearing), this swivel allows for stable, reliable rotation under high-pressure conditions. The O-ring NBR sealing system provides leak-proof operation and is upgradeable to EPDM or FKM seals for enhanced chemical compatibility. With a bulkhead mounting configuration and corrosion-resistant body, the DGL 31.051 is a trusted solution for demanding cleaning applications.

Applications

  • Automatic car wash systems

  • High-pressure hose reels

  • Robotic wash arms and gantry systems

  • Industrial cleaning equipment

  • High-flow pressure washing systems

Key Features

  • Design: Straight inline swivel

  • Material: Brass, nickel plated

  • Seal Type: O-ring NBR (optional EPDM or FKM)

  • Bearing System: Triple (2x radial, 1x thrust)

  • Thread IN (G1): 1/4″ NPTF

  • Thread OUT (G2): 1/4″ NPTM

  • Overall Diameter: 0.98″

  • Overall Length: 2.55″

  • Nominal Width (NW): 1/4″

  • Wrench Size (SW): 0.87″

  • Max Pressure: 4000 PSI

  • Max RPM: 1000

  • Max Temperature:

    • 90°F at 1000 RPM

    • 250°F at 30 RPM

  • Mounting Type: Bulkhead fitting

  • Maintenance: Maintenance-free

Specs 

Pressure: 4000 psi (27.5 MPa)

Temperature: 90°F at 1000 RPM, 250°F at 30 RPM

RPM: max 1,000 rpm

Material Type: Brass, Nickel plated

Inner Part: Stainless steel

Seal: O-ring NBR (optional: EPDM or FKM)

Throughput/medium: ph 3-12 / filtered 10 microns, compressed air (290 psi)

Thread In: G1 1/4″ NPTF

Thread Out: G2 1/4″ NPTM

Nominal Width (NW): 1/4″

Wrench Size 1 (SW1): 0.87″

Wrench Size 2 (SW2): 0.62″

Length 1 (L1) (overall length) : 2.55″

Length 2 (L2): 0.43″

Diameter (D) (overall diameter): 0.98″

Weight: 5.7 oz

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